Page 1 SYSTEM AIR CONDITIONER OUTDOOR UNIT AM080/100/120/140/160/180/200/220/240/260FXSASSS AM240/260HXVASSS AM080/100/120/140/160/180/200/220JXVSSS AM140/160/180/200/220/240/260/280/300KXVSSS AM240/260/280/300MXVSSS AIR CONDITIONER CONTENTS 1. Precautions 2. Product Specifications 3. Disassembly and Reassembly 4. Troubleshooting 5. PCB Diagram and Parts List 6. Wiring Diagram 7. Piping Diagram 8. Key Options 9. Test Operation 10.
Page 2: Table Of Contents
3-2-12 Removal Instructions for the Control Panel Assy ................123 3-2-13 Removal Instructions for the Inverter PBA ..................127 3-2-14 Removal Instructions for the Fan PBA ....................129 3-2-15 Removal Instructions for the DC Reactors and EMI PBA ............130 3-2-16 MCU .................................131 3-2-17 EEV kit ................................132 Samsung Electronics...
Page 3 4-3-39 Prevention of heating refrigerant charge due to outdoor temperature ......197 4-3-40 CCH wire breaking error ..........................198 4-3-41 Fan motor starting error ......................... 200 4-3-42 Fan motor locking error.......................... 202 4-3-43 Momentary Blackout error .......................... 203 4-3-44 Outdoor Fan Motor overheating ......................204 Samsung Electronics...
Page 4 6-1 AM080/100/120/140/160/180/200/220FXVSSS, AM080/100/120/140/160/180/200/220JXVSSS, AM140/200/220KXVASS, AM140/180/200/220KXVGSS ............... 269 6-2 AM080/100/120/200FXWASS ..........................271 6-3 AM240/260HXVSSS, AM240/260JXVSSS, AM160/180/240/260/280/300KXVASS, AM160/240/260/280KXVGSS, AM080KXVSSS ..................273 6-4 AM080JXVAFH ................................275 6-5 AM100/120JXVAFH ..............................277 6-6 AM140/160/180/200JXVAFH ..........................279 6-7 AM080/100/120/140/160/180/200/220JXVAJH .....................281 6-8 Field Wiring ................................... 283 Samsung Electronics...
Page 5 9-1-1 Overview of Auto Trial Operation ......................417 9-1-2 Auto Trial Operation Flow Chart ......................420 9-1-3 How to resolve NG items ...........................421 9-2 Amount of refrigerant automatically checking ..................... 431 10. Nomenclature ....................432 10-1 Model Naming ................................432 Samsung Electronics...
Page 6: Precautions
 Explain to workers that the battery for the remote control needs to be separated for storage purposes when the product will not be used for a long time. – This can cause a problem for the remote control since battery fluid may trickle out. Samsung Electronics...
Page 7: Precautions For Handling Refrigerant For Air Conditioner
If the compressor is operating while the refrigerant pipe is not correctly connected and the service valve is opened, then air and other substances can enter the pipe. The interior of the refrigerant cycle may then build up excessive high pressure resulting in explosion and damage. Samsung Electronics...
Page 8: Product Specifications
Samsung VRF system air conditioners offer instant temperature control, user-friendly installation and advanced functionality, along with smart power usage. Our flagship VRF-based Samsung DVM S is a highly innovative system that adopts the new third-generation Samsung Scroll Compressor (SSC) technology with Dual Digital Inverter. DVM S provides world-class energy efficiency and the most powerful cooling and heating performance available on the market.
Page 9 Product Specifications 2-1 Feature of Product (cont.) 2-1-1 Feature (cont.) Samsung DVM S offers innovative features to benefit the indoor comfort as well operational costs of the system through technological advances such as : Intelligent Defrosting Logic. DVM S Intelligent Defrost Control logic keeps the unit in the heating mode for up to 40% longer throughout the heating season compared to conventional model by monitoring the air resistance through the heat exchanger.
Page 10: Changes In Comparison To Basic Model
0.99 m 1.66 m Cabinet Save Weight by 30% Compared to basic Upper /Lower Fin : Wide slit → Wide slit / Corrugate Heat Exchanger Optimized Condenser Path Design : Tripod + Diagonal line hair pin Samsung Electronics...
Page 11 . C-BOX size increase: 402x657x280 → 458x677x285 CONTROL - PBA & WIRE SIZE change . INV : 260*240 → 292*242 . EMI : 230*130 → 242*145 . Power WIRE : #12 → #8 - Large IPM cooling - FAN PBA Samsung Electronics...
Page 12 → Increases coil size and EMI PBA fuse capacity - Improves EMI characteristic. - Increases current due to high capacity compressor REACTOR - Improved wire connection terminal - Increases heat cooling capacity Refrigerant - Increases pipe size and heat cooling exchange area Samsung Electronics...
Page 13: Structure Of Product ( Heat Pump: Amssssxvssh Series )
Product Specifications 2-1 Feature of Product (cont.) 2-1-3 Structure of product ( Heat Pump: AMSSSSXVSSH Series ) Small size Large size Samsung Electronics...
Page 14: Structure Of Product (Heat Recovery: Amssssxvssr Series )
Oil separator Intercooler Compressor Liquid pipe Accumulator Low Pressure High Pressure Gas Pipe Gas Pipe Large size Heat exchanger CONTROL BOX 4-WAY V/V Oil separator Accumulator Intercooler Compressor Liquid pipe Low Pressure Gas Pipe High Pressure Gas Pipe Samsung Electronics...
Page 15: Structure Of Product (Power Supply For 460V, 60Hz, 3Φ : Amssssxvssjs Series )
2-1-5 Structure of product (Power supply for 460V, 60Hz, 3Φ : AMSSSSXVSSJS Series ) Small size CONTROL BOX 4-WAY V/V Accumulator Heat exchanger Oil separator Sub-Cooler TRANS BOX Compressor Large size CONTROL BOX 4-WAY V/V Heat exchanger TRANS BOX Sub-Cooler Oil separator Compressor Samsung Electronics...
Page 16: Structure Of Product (Dvm S Water)
4 WAY V/V Sub Cooler Receiver Compressor Oil separator Plate Heat Exchanger Large size Liquid Pipe 4 WAY V/V High pressure Gas Pipe Low pressure Gas Pipe Accumulator CONTROL BOX Sub Cooler Oil separator Plate Heat Exchanger Receiver Compressor Samsung Electronics...
Page 17: Structure Of Product (Heat Pump Amssskxs Series)
2-1-7 Structure of product (Heat Pump AMSSSKXS Series) AM140/160KXVGSS, AM140/160/180KXVASS Heat Exchanger 4-WAY V/V Control Box Accumulator Subcooler Compressor Gas V/V Liquid V/V AM180/200/220KXVGSS, AM200/220KXVASS Heat Exchanger Control Box 4-WAY V/V Accumulator Subcooler Compressor Gas V/V Liquid V/V Samsung Electronics...
Page 18 ASSY COMP PARTS Model 14HP 16HP 18HP 20HP 22HP ASSY TUBE OUT PARTS Standard 66cc*1 80cc*1 80cc*1 52cc*2 66cc*2 ○ New Pipe Layout to improve air flow Premium Compact 66cc*1 80cc*1 66cc*2 66cc*2 66cc*2 ○ Compact Oil separator Samsung Electronics...
Page 19 2-1-7 Structure of product (Heat Pump AMSSSKXS Series) (cont.) AM240/260/280KXVGSS, AM240/260/280/300KXVASS, AM080KXVSSS CONTROL BOX 4-WAY V/V Heat Exchanger Subcooler Gas Pipe Liquid Pipe Compressor High Pressure Gas Pipe Low Pressure Liquid Pipe Gas Pipe Heat Recovery AM240/260/280/300MXVSSS Series Samsung Electronics...
Page 20 - Uniformed wind speed securement using 2 kinds of fin Standard 50A*2 50A*2 50A*2 50A*2 - Upper fin : Wide slit Premium Compact 50A*2 50A*2 50A*2 Lower fin : Corrugate (Low static pressure) Heat Recovery 50A*2 50A*2 50A*2 50A*2 Samsung Electronics...
Page 21: Model Names Of Indoor/Outdoor Unit
※ Maximum 32 Wall-mount type indoor units with EEV (AMSSSFNQDEHS, AMSSSJNVDKHS) can be connected. ▶ In case of combining modules more than 90HP, please consult the manufacturer when connecting the indoor unit and deciding on piping length in accordance with design of the building. Samsung Electronics...
Page 22 ※ Maximum 32 Wall-mount type indoor units with EEV (AMSSSFNQDEHS, AMSSSJNVDKHS) can be connected. ▶ In case of combining modules more than 90HP, please consult the manufacturer when connecting the indoor unit and deciding on piping length in accordance with design of the building. Samsung Electronics...
Page 23 ※ Maximum 32 Wall-mount type indoor units with EEV (AMSSSFNQDEHS, AMSSSJNVDKHS) can be connected. ▶ In case of combining modules more than 90HP, please consult the manufacturer when connecting the indoor unit and deciding on piping length in accordance with design of the building. Samsung Electronics...
Page 24 ※ Maximum 32 Wall-mount type indoor units with EEV (AMSSSFNQDEHS, AMSSSJNVDKHS) can be connected. ▶ In case of combining modules more than 90HP, please consult the manufacturer when connecting the indoor unit and deciding on piping length in accordance with design of the building. Samsung Electronics...
Page 25 ※ Maximum 32 Wall-mount type indoor units with EEV (AMSSSFNQDEHS, AMSSSJNVDKHS) can be connected. ▶ In case of combining modules more than 90HP, please consult the manufacturer when connecting the indoor unit and deciding on piping length in accordance with design of the building. Samsung Electronics...
Page 26 ※ M* : Outdoor Unit Combination has been added. ▶ In case of combining modules more than 90HP, please consult the manufacturer when connecting the indoor unit and deciding on piping length in accordance with design of the building. Samsung Electronics...
Page 27 No. of Modules 12HP 20HP 22HP 24HP 26HP 36HP AM360JXVAGH2 38HP AM380JXVAGH2 46HP AM460JXVAGH2 48HP AM480JXVAGH2 50HP AM500JXVAGH2 52HP AM520JXVAGH2 58HP AM580JXVAGH2 60HP AM600JXVAGH2 62HP AM620JXVAGH2 64HP AM640JXVAGH2 68HP AM680JXVAGH2 70HP AM700JXVAGH2 72HP AM720JXVAGH2 74HP AM740JXVAGH2 76HP AM760JXVAGH2 78HP AM780JXVAGH2 Samsung Electronics...
Page 28 64 communication address. Indoor unit address can be assigned from 0~63. If the indoor unit address was assigned from 64~79, E201 error will occur. ※ Maximum 32 Wall-mount type indoor units with EEV (AMSSSFNQDEHS, AMSSSJNVDKHS) can be connected. ▶ In case of combining modules more than 90HP, Samsung Electronics...
Page 29: Indoor Unit
Maximum quantity of connectable indoor unit is set to 64 since outdoor unit only support up to 64 communication address. Indoor unit address can be assigned from 0~63. If the indoor unit address was assigned from 64~79, E201 error will occur. ► Maximum 32 Wall-mount type indoor units with EEV (AMSSSFNQDEHS, AMSSSJNVDKHS) can be connected. Samsung Electronics Samsung Electronics...
Page 30: Outdoor Unit
AM200KXVGGH/EU AM220KXVGGH/EU AM240KXVGGH/EU AM260KXVGGH/EU AM300KXVGGH1EU AM280KXVGGH/EU AM320KXVGGH1EU AM300KXVAGH/EU AM440KXVGGH1EU AM360KXVGGH1EU AM460KXVGGH1EU AM380KXVGGH1EU AM480KXVGGH1EU AM400KXVGGH1EU AM500KXVGGH1EU AM420KXVGGH1EU AM520KXVGGH1EU AM540KXVGGH1EU AM560KXVGGH1EU AM620KXVGGH1EU AM580KXVGGH1EU AM640KXVGGH1EU AM600KXVGGH1EU AM660KXVGGH1EU AM760KXVGGH1EU AM680KXVGGH1EU AM780KXVGGH1EU AM700KXVGGH1EU AM800KXVGGH1EU AM720KXVGGH1EU AM820KXVGGH1EU AM740KXVGGH1EU AM840KXVGGH1EU AM860KXVGGH1EU AM880KXVGGH1EU AM900KXVGGH1EU Samsung Electronics Samsung Electronics...
Page 31 AM200KXVGGH/EU AM260KXVGGH2EU AM240KXVG2H/EU AM280KXVGGH2EU AM260KXVG2H/EU AM300KXVAGH2EU AM360KXVGGH2EU AM380KXVGGH2EU AM340KXVGGH2EU AM400KXVGGH2EU AM400KXVGGH2EU AM420KXVGGH2EU AM440KXVGGH2EU AM500KXVGGH2EU AM460KXVGGH2EU AM480KXVGGH2EU AM520KXVGGH2EU AM540KXVGGH2EU AM580KXVGGH2EU AM560KXVGGH2EU AM620KXVGGH2EU AM600KXVGGH2EU AM640KXVGGH2EU AM660KXVGGH2EU AM680KXVGGH2EU AM720KXVGGH2EU AM740KXVGGH2EU AM700KXVGGH2EU AM760KXVGGH2EU AM780KXVGGH2EU AM800KXVGGH2EU AM820KXVGGH2EU AM880KXVGGH2EU AM840KXVGGH2EU AM900KXVGGH2EU AM860KXVGGH2EU Samsung Electronics Samsung Electronics...
Page 32 AM200JXVHGR/ET AM220JXVHGR/ET AM240MXVGNR/ET AM260MXVGNR/ET AM320MXVGNR1ET AM280MXVGNR/ET AM340MXVGNR1ET AM300MXVANR/ET AM440MXVGNR1ET AM360MXVGNR1ET AM460MXVGNR1ET AM380MXVGNR1ET AM480MXVGNR1ET AM400MXVGNR1ET AM500MXVGNR1ET AM420MXVGNR1ET AM520MXVGNR1ET AM540MXVGNR1ET AM560MXVGNR1ET AM620MXVGNR1ET AM580MXVGNR1ET AM640MXVGNR1ET AM600MXVGNR1ET AM660MXVGNR1ET AM760MXVGNR1ET AM680MXVGNR1ET AM780MXVGNR1ET AM700MXVGNR1ET AM800MXVGNR1ET AM720MXVGNR1ET AM820MXVGNR1ET AM740MXVGNR1ET AM840MXVGNR1ET AM860MXVGNR1ET AM880MXVGNR1ET AM900MXVGNR1ET Samsung Electronics Samsung Electronics...
Page 33 AM200JXVHGR/ET AM260MXVGNR2ET AM220MXVGNR2ET AM280MXVGNR2ET AM240MXVGNR2ET AM300MXVGNR2ET AM320MXVGNR2ET AM360MXVGNR2ET AM340MXVGNR2ET AM380MXVGNR2ET AM400MXVGNR2ET AM420MXVGNR2ET AM440MXVGNR2ET AM500MXVGNR2ET AM460MXVGNR2ET AM480MXVGNR2ET AM520MXVGNR2ET AM540MXVGNR2ET AM580MXVGNR2ET AM560MXVGNR2ET AM700MXVGNR2ET AM620MXVGNR2ET AM600MXVGNR2ET AM640MXVGNR2ET AM660MXVGNR2ET AM680MXVGNR2ET AM800MXVGNR2ET AM720MXVGNR2ET AM820MXVGNR2ET AM740MXVGNR2ET AM840MXVGNR2ET AM760MXVGNR2ET AM860MXVGNR2ET AM780MXVGNR2ET AM880MXVGNR2ET AM900MXVGNR2ET Samsung Electronics Samsung Electronics...
Page 34 AM180KXVAGH AM120JXVAGH AM200KXVAGH AM220KXVAGH AM240KXVAGH AM260KXVAGH AM320KXVAGH AM280KXVAGH AM340KXVAGH AM300KXVAGH AM360KXVAGH AM460KXVAGH AM380KXVAGH AM480KXVAGH AM400KXVAGH AM500KXVAGH AM420KXVAGH AM520KXVAGH AM440KXVAGH AM540KXVAGH AM560KXVAGH AM620KXVAGH AM580KXVAGH AM640KXVAGH AM600KXVAGH AM660KXVAGH AM760KXVAGH AM680KXVAGH AM780KXVAGH AM700KXVAGH AM800KXVAGH AM720KXVAGH AM820KXVAGH AM740KXVAGH AM840KXVAGH AM860KXVAGH AM880KXVAGH AM900KXVAGH Samsung Electronics...
Page 35 [HP] AM140JXVAGH AM080JXVAGH AM160JXVAGH AM100JXVAGH AM180JXVAGH AM120JXVAGH AM200JXVAGH AM220JXVAGH AM280JXVAGH AM240HXVAGH AM300JXVAGH AM260HXVAGH AM320JXVAGH AM340JXVAGH AM360KXVAGH AM380KXVAGH AM400JXVAGH AM420KXVAGH AM440KXVAGH AM480JXVAGH1 AM500JXVAGH1 AM460JXVAGH1 AM520JXVAGH1 AM540JXVAGH1 AM560JXVAGH1 AM580JXVAGH1 AM600JXVAGH1 AM620JXVAGH1 AM680JXVAGH1 AM640JXVAGH1 AM660JXVAGH1 AM700JXVAGH1 AM720JXVAGH1 AM740JXVAGH1 AM800JXVAGH1 AM760JXVAGH1 AM780JXVAGH1 Samsung Electronics...
Page 36: Combination And Connection Ratio Limitation
※ Normal Units : Cassette, Duct, Ceiling, Console, Wall Mounted, ERV+, Floor stand. ※ For wall mounted with EEV, it is possible to install a maximum of 32 units ※ ERV (not ERV+ ) can be installed separately without the need to lay refrigerant pipe. Samsung Electronics...
Page 37: Components And Feature
1 X 400W AMSSSFXVAGR 2 X 630W 1 X 400W AMSSSHXVAGH 2 X 630W 2 X 620W AMSSSFXWASS 1 X 830W AMSSSJXVSSH 2 X 620W 1 X 830W AMSSSJXVSSR 2 X 620W AMSSSKXVSGH 2 X 620W AM300MXVSNR 2 X 620W Samsung Electronics...
Page 38: Product Specification
*PDM kit: Pressure Drop Modulation kit. When the outdoor unit is below the indoor unit & the level differences are 40m or more, contact your local dealer for more information. ※ In case you want to know more information regarding capacity and correction, please refer to capacity table TDB on pvi.samsung.com site.
Page 39 *PDM kit: Pressure Drop Modulation kit. When the outdoor unit is below the indoor unit & the level differences are 40m or more, contact your local dealer for more information. ※ In case you want to know more information regarding capacity and correction, please refer to capacity table TDB on pvi.samsung.com site.
Page 40 *PDM kit: Pressure Drop Modulation kit. When the outdoor unit is below the indoor unit & the level differences are 40m or more, contact your local dealer for more information. ※ In case you want to know more information regarding capacity and correction, please refer to capacity table TDB on pvi.samsung.com site.
Page 41 *PDM kit: Pressure Drop Modulation kit. When the outdoor unit is below the indoor unit & the level differences are 40m or more, contact your local dealer for more information. ※ In case you want to know more information regarding capacity and correction, please refer to capacity table TDB on pvi.samsung.com site.
Page 42 *PDM kit: Pressure Drop Modulation kit. When the outdoor unit is below the indoor unit & the level differences are 40m or more, contact your local dealer for more information. ※ In case you want to know more information regarding capacity and correction, please refer to capacity table TDB on pvi.samsung.com site.
Page 43 *PDM kit: Pressure Drop Modulation kit. When the outdoor unit is below the indoor unit & the level differences are 40m or more, contact your local dealer for more information. ※ In case you want to know more information regarding capacity and correction, please refer to capacity table TDB on pvi.samsung.com site.
Page 44 *PDM kit: Pressure Drop Modulation kit. When the outdoor unit is below the indoor unit & the level differences are 40m or more, contact your local dealer for more information. ※ In case you want to know more information regarding capacity and correction, please refer to capacity table TDB on pvi.samsung.com site.
Page 45 *PDM kit: Pressure Drop Modulation kit. When the outdoor unit is below the indoor unit & the level differences are 40m or more, contact your local dealer for more information. ※ In case you want to know more information regarding capacity and correction, please refer to capacity table TDB on pvi.samsung.com site.
Page 46 *PDM kit: Pressure Drop Modulation kit. When the outdoor unit is below the indoor unit & the level differences are 40m or more, contact your local dealer for more information. ※ In case you want to know more information regarding capacity and correction, please refer to capacity table TDB on pvi.samsung.com site.
Page 47 *PDM kit: Pressure Drop Modulation kit. When the outdoor unit is below the indoor unit & the level differences are 40m or more, contact your local dealer for more information. ※ In case you want to know more information regarding capacity and correction, please refer to capacity table TDB on pvi.samsung.com site.
Page 48 *PDM kit: Pressure Drop Modulation kit. When the outdoor unit is below the indoor unit & the level differences are 40m or more, contact your local dealer for more information. ※ In case you want to know more information regarding capacity and correction, please refer to capacity table TDB on pvi.samsung.com site.
Page 49 *PDM kit: Pressure Drop Modulation kit. When the outdoor unit is below the indoor unit & the level differences are 40m or more, contact your local dealer for more information. ※ In case you want to know more information regarding capacity and correction, please refer to capacity table TDB on pvi.samsung.com site.
Page 50 *PDM kit: Pressure Drop Modulation kit. When the outdoor unit is below the indoor unit & the level differences are 40m or more, contact your local dealer for more information. ※ In case you want to know more information regarding capacity and correction, please refer to capacity table TDB on pvi.samsung.com site.
Page 51 *PDM kit: Pressure Drop Modulation kit. When the outdoor unit is below the indoor unit & the level differences are 40m or more, contact your local dealer for more information. ※ In case you want to know more information regarding capacity and correction, please refer to capacity table TDB on pvi.samsung.com site.
Page 52 *PDM kit: Pressure Drop Modulation kit. When the outdoor unit is below the indoor unit & the level differences are 40m or more, contact your local dealer for more information. ※ In case you want to know more information regarding capacity and correction, please refer to capacity table TDB on pvi.samsung.com site.
Page 53 *PDM kit: Pressure Drop Modulation kit. When the outdoor unit is below the indoor unit & the level differences are 40m or more, contact your local dealer for more information. ※ In case you want to know more information regarding capacity and correction, please refer to capacity table TDB on pvi.samsung.com site.
Page 54 *PDM kit: Pressure Drop Modulation kit. When the outdoor unit is below the indoor unit & the level differences are 40m or more, contact your local dealer for more information. ※ In case you want to know more information regarding capacity and correction, please refer to capacity table TDB on pvi.samsung.com site.
Page 55 *PDM kit: Pressure Drop Modulation kit. When the outdoor unit is below the indoor unit & the level differences are 40m or more, contact your local dealer for more information. ※ In case you want to know more information regarding capacity and correction, please refer to capacity table TDB on pvi.samsung.com site.
Page 56 *PDM kit: Pressure Drop Modulation kit. When the outdoor unit is below the indoor unit & the level differences are 40m or more, contact your local dealer for more information. ※ In case you want to know more information regarding capacity and correction, please refer to capacity table TDB on pvi.samsung.com site.
Page 57 *PDM kit: Pressure Drop Modulation kit. When the outdoor unit is below the indoor unit & the level differences are 40m or more, contact your local dealer for more information. ※ In case you want to know more information regarding capacity and correction, please refer to capacity table TDB on pvi.samsung.com site.
Page 58 *PDM kit: Pressure Drop Modulation kit. When the outdoor unit is below the indoor unit & the level differences are 40m or more, contact your local dealer for more information. ※ In case you want to know more information regarding capacity and correction, please refer to capacity table TDB on pvi.samsung.com site.
Page 59 *PDM kit: Pressure Drop Modulation kit. When the outdoor unit is below the indoor unit & the level differences are 40m or more, contact your local dealer for more information. ※ In case you want to know more information regarding capacity and correction, please refer to capacity table TDB on pvi.samsung.com site.
Page 60 *PDM kit: Pressure Drop Modulation kit. When the outdoor unit is below the indoor unit & the level differences are 40m or more, contact your local dealer for more information. ※ In case you want to know more information regarding capacity and correction, please refer to capacity table TDB on pvi.samsung.com site.
Page 61 *PDM kit: Pressure Drop Modulation kit. When the outdoor unit is below the indoor unit & the level differences are 40m or more, contact your local dealer for more information. ※ In case you want to know more information regarding capacity and correction, please refer to capacity table TDB on pvi.samsung.com site.
Page 62 *PDM kit: Pressure Drop Modulation kit. When the outdoor unit is below the indoor unit & the level differences are 40m or more, contact your local dealer for more information. ※ In case you want to know more information regarding capacity and correction, please refer to capacity table TDB on pvi.samsung.com site.
Page 63 *PDM kit: Pressure Drop Modulation kit. When the outdoor unit is below the indoor unit & the level differences are 40m or more, contact your local dealer for more information. ※ In case you want to know more information regarding capacity and correction, please refer to capacity table TDB on pvi.samsung.com site.
Page 64 *PDM kit: Pressure Drop Modulation kit. When the outdoor unit is below the indoor unit & the level differences are 40m or more, contact your local dealer for more information. ※ In case you want to know more information regarding capacity and correction, please refer to capacity table TDB on pvi.samsung.com site.
Page 65 Both indoor and Both indoor and Power supply intake outdoor unit outdoor unit outdoor unit outdoor unit Type R410A R410A R410A R410A Refrigerant Factory Charging 14.0 14.0 14.0 14.0 Cooling dB(A) Sound Pressure Sound Heating dB(A) Sound Power dB(A) Samsung Electronics...
Page 66 *PDM kit: Pressure Drop Modulation kit. When the outdoor unit is below the indoor unit & the level differences are 40m or more, contact your local dealer for more information. ※ In case you want to know more information regarding capacity and correction, please refer to capacity table TDB on pvi.samsung.com site.
Page 67 Power supply intake outdoor unit outdoor unit outdoor unit outdoor unit Type R410A R410A R410A R410A Refrigerant 14.0 14.0 14.0 14.0 Factory Charging tCO2e 29.23 29.23 29.23 29.23 Cooling dB(A) Sound Pressure Sound Heating dB(A) Sound Power dB(A) Samsung Electronics...
Page 68 *PDM kit: Pressure Drop Modulation kit. When the outdoor unit is below the indoor unit & the level differences are 40m or more, contact your local dealer for more information. ※ In case you want to know more information regarding capacity and correction, please refer to capacity table TDB on pvi.samsung.com site.
Page 69: Accessory And Option Specifications
DVM, CAC Wired Remote Controller MWR-WW00N EHS Only Receiver KIT ?? MRK-A10N DVM, CAC Master controller+ Zone Controller MWR-ZS00N DVM, CAC Damper controller Zone Controller MWR-ZS10N Slave controller DVM, CAC External room Zone Controller MRW-TS DVM, CAC sensor Samsung Electronics...
Page 70 DVM, CAC Touch Centralized Controller MCM-A300N DVM, CAC WIFI KIT MIM-H03N DVM, CAC Centralized Control System Interface Module MIM-N01 DVM, CAC ERV Interface Module MIM-N10 DVM, CAC DMS2.5 MIM-D01AN DVM, CAC Integrated management System S-NET3 MST-P3P DVM, CAC Samsung Electronics...
Page 71 CHILLER FCU KIT MIM-F00N CHILLER Only CHILLER FCU Interface Module MIM-F10N CHILLER Only CHILLER S-Checker MIM-C10N DVM, CAC Installation /Test run Solution S-Converter MIM-C02N DVM, CAC External Room Sensor MRW-TA DVM, CAC Others Operation Mode Selection MCM-C200 Switch Samsung Electronics...
Page 72: Piping
~56kW, ~6 indoor units MCU-S4NEE1N ~56kW, ~4 indoor units MCU-S4NEE2N ~56kW, ~6 indoor units MEV-E24SA 1 Indoor MEV-E32SA MXD-E24K132A MXD-E24K200A 2 Indoor EEV KIT MXD-E32K200A MXD-E24K232A MXD-E24K300A 3 Indoor MXD-E32K224A MXD-E32K300A MXD-A38K2A 8~12HP PDM KIT MXD-A12K2A 14~16HP MXD-A58K2A 18~26HP Samsung Electronics...
Page 73: Indoor
4Way cassette S (Waffle) Panel PC4NUSKEN 4 Way cassette S (Classic) PC4NBSKAN 4 Way cassette S (Waffle, Black) PC4NUDMAN 360 CST Square (White) PC4NUNMAN 360 CST Circular (White) PC4NBDMAN 360 CST Square (Black) PC4NBNMAN 360 CST Circular (Black) Samsung Electronics...
Page 74 Duct S (Internal, 3.5 kW~14kW) MXD-K025AN 7.0 kW~8.75kW MXD-K050AN 14.0 kW~17.5kW MXD-K075AN 21.0 kW~26.25kW AHU KIT MXD-K100AN 28.0 kW~35.0kW 28kW~ 56kW~ 84kW~ 112kW~ 35kW 70kW 105kW 140kW MCM-D201N MXD-64K100E MXD-64K100E MXD-64K100E MXD-64K100E MXD-A64K100E X 1EA X 2EA X 3EA X 4EA Samsung Electronics...
Page 75: Controller & Control Accessory Compatibility
FCU KIT MIM-F00N CHILLER ONLY FCU Interface Module MIM-F10N CHILLER ONLY S-Checker MIM-C10N DVM, CAC Installation/ Test run Solution S-Converter MIM-C02N MIM-C02 DVM, CAC External Room Sensor MRW-TA MRW-TA DVM, CAC Others Operation Mode Selection Switch MCM-C200 MCM-C200 Samsung Electronics...
Page 76: Indoor Units Accessory Compatibility
7.5Hp's AHU ○ MXD-K100AN only for 10Hp's AHU ○ MCM-D201N only for 10~40Hp's AHU ○ ► In case you want more information about the accessories, please refer to the control and accessories TDB on pvi.samsung.com site Samsung Electronics Samsung Electronics...
Page 77: Disassembly And Reassembly
∙ For H/R model, When the pipe length (including elbow) between an outdoor unit and the farthest indoor unit exceeds 90m, you must increase the size of the liquid pipe by one grade among the pipes(main pipe) which connects between the outdoor unit to the first branch joint. Samsung Electronics...
Page 78: Disassembly And Reassembly
Unfasten the two screws on the inspection window of the Panel Front. Inspection window Screw Slightly pull the lower part of the inspection window cover towards you and then pull it down to remove the cover. ① ② Samsung Electronics...
Page 79: Checking The Device Condition
Use the inspection window on the Main PBA to check the following. - Error code - Operation status (Key Switch K1- K4) - Trial operation - Pump down operation - S-NET connection (specific operation information and the cycle-related status value can be viewed) Samsung Electronics...
Page 80 Disassembly and Reassembly 3-2 Disassembly and Reassembly (cont.) 3-2-1 Checking the Device Condition (cont.) Work Procedure Remark 1) Removing the Panel Front-UPR, RH Panel Front-UPR, RH - Unfasten the four screws on the Panel Front-UPR, RH. Samsung Electronics...
Page 81: Removal Instructions For Panel
1) Removing the Panel Front-UPR, RH - The Panel Front-UPR, RH is hung on the side frame, using supportive tabs. - Slightly lift and pull the panel towards you, and then detach it downwards. Supportive tabs Supportive tabs ① ② Samsung Electronics...
Page 82 Disassembly and Reassembly 3-2 Disassembly and Reassembly (cont.) 3-2-2 Removal Instructions for Panel (cont.) Work Procedure Remark 2) Removing the Panel Front-LWR, RH Panel Front-LWR, RH - Unfasten the seven screws on the Panel Front-LWR, Samsung Electronics...
Page 83 - The Panel Front-LWR, RH is hung on the side frame, using supportive tabs. - Slightly lift and pull the panel towards you, and then detach it downwards. Supportive tabs ① ② The right-side panel has been removed. Samsung Electronics...
Page 84 ① ② 4) Removing the Panel Front-LWR, LF - Unfasten the four screws on the Panel Front-LWR, LF. Similar to removing the right-side panel, slightly pull the panel upwards and then detach it down- wards. ① ② Samsung Electronics...
Page 85: Disconnecting The Power Supply
- To perform additional internal repair service after removing the panels, be sure to cut off the power supply first. Control Box - To disconnect the power supply, remove the Panel- Front and then remove the Control Box cover. Control Box cover Samsung Electronics...
Page 86 Then pull down the cover to remove it. ① - The power connection box is attached to the lower part of the Control Box. - The power connection box is protected by the metal cover to ensure safety. Power connection box Samsung Electronics...
Page 87 3-2-3 Disconnecting the Power Supply (cont.) Work Procedure Remark Be sure to power OFF the circuit breaker before disconnecting the power supply. Unfasten the two screws on the protective cover of the power connection box and remove the protective cover. Samsung Electronics...
Page 88 Use a spanner or hex wrench to disconnect the power cables. Use insulation tape to wrap each power cable before storage to prevent the cables from coming Power terminal block into contact with each other. on the input side Samsung Electronics...
Page 89 Disassembly and Reassembly 3-2 Disassembly and Reassembly (cont.) 3-2-3 Disconnecting the Power Supply (cont.) Work Procedure The front view of the device when it is ready for internal repair after the power supply has been disconnected is shown below. Image Samsung Electronics...
Page 90: Removal Instructions For Guard Fan
The DVM S is equipped with two Guard Fans. Guard Fan Each Guard Fan is fixed with six screws on the top panel. Unfasten the six screws on each of the Guard Fans. Lift and separate the Guard Fans. Samsung Electronics...
Page 91: Removal Instructions For Fan And Motor
Work Procedure Remark 1) Disassembling a fan - A Guard Fan has been removed as shown. - Use a 5mm hex wrench to unfasten the single screw on the Fan Propeller. - Lift and separate the Fan Propeller. Samsung Electronics...
Page 92 - White : for the left motor Blue : for the right motor White: for the left motor ※ After inspection, be sure to place the connectors inside the C-BOX to prevent rainwater damage. Blue: for the right motor Samsung Electronics...
Page 93 Remark 2) Removing a motor - Remove the motor control cable connectors. - Remove the power cable connectors. ※ If there is a difficulty removing a connector, pull the connector while pressing down the hook with a tool. Samsung Electronics...
Page 94 3-2 Disassembly and Reassembly (cont.) 3-2-5 Removal Instructions for Fan and Motor (cont.) Work Procedure Remark - Remove the holders fixing the wires. - Cut out the cable tie fixing the wires. - Remove the holders fixing the wires. Samsung Electronics...
Page 95 Disassembly and Reassembly 3-2 Disassembly and Reassembly (cont.) 3-2-5 Removal Instructions for Fan and Motor (cont.) Work Procedure Remark - Unfasten the four screws on the motor. - Lift and separate the motor. Samsung Electronics...
Page 96: Removal Instructions For Compressor
∙ Check the cable connection for the U, V and W phases. ∙ A loosely fastened screw may cause a fire. Exercise caution. ※ Terminal fastened with a torque 0f 25 ~ 35 kgf·m. Samsung Electronics...
Page 97 - Remove the thermistor on top of the compressor. Soundproofing felt Thermistor - Use a torch to heat and separate the three welded joints connecting the compressor to the pipes. Samsung Electronics...
Page 98 ※ When reassembling it after inspection, be sure to tightly fasten the screws. ∙ Check the cable connection for the U, V and W phases. ∙ A loosely fastened screw may cause a fire. Be sure to tightly fasten the screws. Samsung Electronics...
Page 99: Compressor Exchange Order
Add oil according to sheep of oil that pour decided addition before. Establish again by vacuum mode after connect power. Execute leakage examination using nitrogen vacuum work Add a refrigerant quantity deciding from step 5. Execute Auto Trial Operation after open SVC Valve. Samsung Electronics...
Page 100 - Problem of that is blocked in oil circulation of (remaining oil of compressor that broke down below 0.3kg) compressor if is light more than 0.8kg than weight of compressor that weight of compressor that is changed to locality is changed newly inspects oil circulating system because possibility occurred is high. Samsung Electronics...
Page 101: Removal Instructions For The Accumulator
- Use a torch to heat and separate the welded joints indi- cated by ⓐ , ⓑ and ⓒ on the three pipes in the image. ⓐ ⓑ ⓒ Samsung Electronics...
Page 102 3-2-8 Removal Instructions for the Accumulator (cont.) Work Procedure Remark - Unfasten the three screws on the clamps fixing the Accumulator on the piping. - Unfasten the two nuts on the bracket fixing the secondary sub-cooling heat exchanger. Samsung Electronics...
Page 103 Oil Return Pipe in the lower part of the Oil Return Valve Accumulator. - Unfasten the two screws on the Oil Return Valve. - Unfasten the three screws on the Accumulator and then separate the Accumulator from the device. Samsung Electronics...
Page 104: Removal Instructions For Oil Separators
Rubber Holder. Rubber Holder - Use a torch to heat and separate the six welded joints. Refrigerant discharge port Refrigerant Oil Return Pipe suction port - Unfasten the screw on each of the two clamps fixing the other pipes. Samsung Electronics...
Page 105 3-2-9 Removal Instructions for Oil Separators (cont.) Work Procedure Remark - Unfasten the two screws on the Oil Separator assembly at the base. Base Oil Separator - Separate the Oil Separator assembly while leaning it in the direction of the arrow Samsung Electronics...
Page 106: Removal Instructions For The Control Pba
3-2 Disassembly and Reassembly (cont.) 3-2-10 Removal Instructions for the Control PBA Work Procedure Remark - The device control PBA is located in the upper part Control PBA of the Control Box. - Remove the connectors from the control PBA Samsung Electronics...
Page 107 3-2-10 Removal Instructions for the Control PBA (cont.) Work Procedure Remark - Unfasten the two screws at the upper part of the Control PBA. Control PBA - Lift and separate the PBA while pulling the upper part towards you. ① ② Samsung Electronics...
Page 108: Removal Instructions For The Hub Pba
3-2 Disassembly and Reassembly (cont.) 3-2-11 Removal Instructions for the Hub PBA Work Procedure Remark - The Hub PBA is located in the middle of the Control Box. - Remove all the connectors from the Control PBA (on the right side). Samsung Electronics...
Page 109 Work Procedure Remark - Remove all the connectors from the Control PBA (on the left side). - Unfasten the two screws on the right side at the upper and lower parts of the Hub PBA. Positions of the screws Samsung Electronics...
Page 110 Disassembly and Reassembly 3-2 Disassembly and Reassembly (cont.) 3-2-11 Removal Instructions for the Hub PBA (cont.) Work Procedure Remark - Lift and separate the Hub PBA to the right. ① Lift ② Separate it to the right Samsung Electronics...
Page 111: Removal Instructions For The Control Panel Assy
- To perform power supply-related repair service for the PBA, you must detach the Control Panel Assy on the front. - Before unfastening the screws, first remove the connec- tors from the Control Box. ※ To remove the connectors, pull them while pressing down the hook. Samsung Electronics...
Page 112 Screws in the upper part The plastic hinge at the lower part allows you to turn the Control Panel over. Screw in the mid part Hinge in the lower part - Unfasten the three screws indicated in the image. Samsung Electronics...
Page 113 3-2-12 Removal Instructions for the Control Panel Assy (cont.) Work Procedure Remark - Turn the Control Panel Assy over towards you while hold- ing the locking hook. - Use the Control Panel Assy that has been turned over to inspect the power supply-related PBA. Samsung Electronics...
Page 114 - From the upper part of the power module on the front ⓐ DC_Reactor #1 DC_Reactor #2 DC_Reactor #1 ⓑ DC_Reactor #2 ⓒ EMI PBA #2 ⓓ EMI PBA #1 ⓔ Fan PBA EMI PBA #2 EMI PBA #1 Fan PBA Samsung Electronics...
Page 115: Removal Instructions For The Inverter Pba
② Remove the power connector. DC-Reactor wire screws Compressor wire screws Power connector AC220V Power connector AC380V ③ Unfasten the screws on the case of the Inverter PBA. ④ Unfasten the screws on the IPM. Screws on the IPM Samsung Electronics...
Page 116 ※ After inspection, check the condition of grease applied. * Conditions of heat transfer grease applied to the Inverter PBA' Good No Good If Thermal Grease is not applied evenly IMP due to the cooling performance may cause malfunction of the product. Samsung Electronics...
Page 117: Removal Instructions For The Fan Pba
Work Procedure Remark - Remove the power and control wires and connectors from the Fan PBA. Fan PBA - To replace with a module assembled with the case, heat sink and PBA, unfasten the four screws on the case. Samsung Electronics...
Page 118: Removal Instructions For The Dc Reactors And Emi Pba
Reactors. (applicable to both Reactors #1 and #2). DC_Reactor #1 DC_Reactor #2 - Remove the connectors inside the EMI PBA, and then unfasten the four screws fixing the case on the PBA. EMI PBA #2 EMI PBA #1 Samsung Electronics...
Page 119: Mcu
2) Separate 4 fixing screws from the brackets. (Use + Serew Driver) Cabinet front 1) Separate front cabinet from MCU. Control box cover 1) Separate 2 fixing screws from the control box cover. (Use + Serew Driver) 2) Separate control box cover from MCU. Samsung Electronics...
Page 120: Eev Kit
1) Separate 1 fixing screw from EEV kit. (Use + Serew Driver) 2) Separate cabinet from EEV kit. Control parts 1) Separate 2 fixing screws from EEV kit. (Use + Serew Driver) 2) Separate control part from EEV kit. Samsung Electronics...
Page 121: Troubleshooting
(uART comm, supplying DC 5,12V from Main) Supplying DC 12V to other component DRED PBA connecting Gas leak detection using MIM-B14 External control using MIM-B14 Option switch Comm PBA connecting (OF1/OF2) EEPROM PBA connecting Comm PBA connecting (F1/F2) EEPROM PBA connecting Samsung Electronics...
Page 122: Service Operation
※ I f INV error is occurred(E464/364, E461/361, etc.), please wait more than 15 minutes until self-discharging after shutting off the power because it can not enter a discharge mode. ※ I f normal completion discharge mode or self-discharge will be not completed, it is very dangerous to contact because a high DC voltage of inverter PBA is charged. Samsung Electronics...
Page 123 Indoor Unit Whole operation (The set temperature=3°C) Whole operation (The set temperature=40°C) Outdoor fan and valves Normally control conduct Operation time 60 minutes Etc. During the filling operation does not enter the special operation, such as oil recovery, defrost. Samsung Electronics...
Page 124 Indoor Unit/Outdoor Fan 4Way Valve Valves Open all valves of the outdoor unit Open all valves of the system (Including indoor unit and mcu) Etc. If not turn off the vacuum mode, the start of normal operation is prohibited. Samsung Electronics...
Page 125 Discharge is complete, the power of the Inverter PBA is being blocked, communication function is blocked, E206 will occur. ► If want operation again after complete discharge mode : Restart after K3 key to Reset or Power Reset. ► Samsung Electronics...
Page 126 Outdoor temperature is less than or equal to 10°C : Heating Auto Trial Operation Oil recovery start Oil recovery start : It is after 10 minutes which Safety Start finishes. Etc. Oil recovery shut down and stop the normal pattern of the outdoor unit stop. Samsung Electronics...
Page 127 ※ W hen there were error, 'Dicharge mode of DC link voltage' may not have been effective. Especialy if error E464 and E364 have been occured, power element might be damaged by fire and therefore, do not use the 'Discharge mode of DC link K3 (Number of press) Key operation Display on segment 1 time Intialize (Reset) setting Same as initial state Samsung Electronics...
Page 128 Starting frequency (Mild Start frequency) operation Indoor Unit Whole operation (The set temperature=3°C) Whole operation (The set temperature=40°C) Other Actuators Normally control conduct Operation time 60 minutes Etc. During the filling operation does not enter the special operation, such as oil recovery. Samsung Electronics...
Page 129 Does not conduct the operation of the special operation, and protection control. Pressure and temperature is outside normal limits : Operation is shut down after gas pipe manually closed. (However, all current limit control, and protection and control of IPM CompDown control is performed.) Samsung Electronics...
Page 130 Discharge is complete, the power of the Inverter PBA is being blocked, communication function is blocked, E206 will ► occur. If want operation again after complete discharge mode : Restart after K3 key to Reset or Power Reset. ► Samsung Electronics...
Page 131 Water temperature is less than or equal to 10°C : Heating Auto Trial Operation Oil recovery start Oil recovery start : It is after 10 minutes which Safety Start finishes. Etc. Oil recovery shut down and stop the normal pattern of the outdoor unit stop. Samsung Electronics...
Page 132: Dvm S Models Eeprom Code Table
AM100JXVAGH/EU DB92-03526A DB82-02501A 101 AM300MXVANR/ET DB92-03339A DB82-03754A AM120JXVAGH/EU DB92-03526A DB82-02502A 102 AM240MXVGNR/TK DB92-03339A DB82-03751A AM140JXVAGH/EU DB92-03339A DB82-02503A 103 AM260MXVGNR/TK DB92-03339A DB82-03752A AM160JXVAGH/EU DB92-03339A DB82-02504A 104 AM280MXVGNR/TK DB92-03339A DB82-03753A AM180JXVAGH/EU DB92-03339A DB82-02505A 105 AM300MXVANR/TK DB92-03339A DB82-03754A AM200JXVAGH/EU DB92-03339A DB82-02506A Samsung Electronics...
Page 133 DB92-03526A DB82-01679A AM200FXVAGH/EU DB92-03526A DB82-01364A AM120FXWANR/EU DB92-03526A DB82-01680A AM220FXVAGH/EU DB92-03526A DB82-01365A AM200FXWANR/EU DB92-03526A DB82-01681A AM080FXVAGR/EU DB92-03526B DB82-01330A AM080FXWAGR/SC DB92-03526A DB82-01682A AM100FXVAGR/EU DB92-03526A DB82-01331A AM100FXWAGR/SC DB92-03526A DB82-01683A AM120FXVAGR/EU DB92-03526A DB82-01332A AM120FXWAGR/SC DB92-03526A DB82-01684A AM140FXVAGR/EU DB92-03526A DB82-01333A AM200FXWAGR/SC DB92-03526A DB82-01685A Samsung Electronics...
Page 134: Number Display Method
E206 C001 E206 C002 Error Number, repeat display and other methods of error display ■ How to display alphabetic & numbers on 7-SEG 7-SEG 7-SEG 7-SEG 7-SEG 7-SEG Alphabet Alphabet Alphabet Number Number display display display display display Samsung Electronics...
Page 135 No temperature changes in EVA OUT during pipe inspection or changes in temperature is seen in indoor unit E-191 with wrong address E-198 Error due to disconnected thermal fuse of indoor unit Communication error between indoor and outdoor units (installation number setting error, repeated indoor unit E-201 address, indoor unit communication cable error) Samsung Electronics...
Page 136 Error on EVI (ESC) IN temperature sensor (Short or Open) E-322 Error on EVI (ESC) OUT temperature sensor (Short or Open) E-323 Error on suction sensor 2 (Short or Open) E-346 Error due to operation failure of Fan2 E-347 Motor wire of Fan2 is not connected Samsung Electronics...
Page 137 Refrigerant charing restriction in heating mode when air temperature is over 15 °C E-443 Operation prohibited due to low pressure E-445 CCH is deatched E-446 Error due to operation failure of Fan1 E-447 Motor wire of Fan1 is not connected E-448 Lock error on Fan1 Samsung Electronics...
Page 138 Error due to using single type outdoor unit in a module installation E-702 Error due to closed EEV of indoor unit (1st detection) E-703 Error due to opened EEV of indoor unit (1st detection) Auto Trial Operation incompleted (UnPrepared) Samsung Electronics...
Page 139: Appropriate Measures For Different Symptom
2. Execute the Auto Trial Operation by Tact Switch. 3. UP display disappears after Auto Trial Operation is complete, normal operation is possible. 4. Auto Trial Operation is completed, if there is a history, normal operation execution. Samsung Electronics...
Page 140 ▪ In case of wiring error (N-phase is changed with one of R, S and T) with the N-phase, will operate the power protection CAUTION function, display E425 or stop the power. This is not a PBA power defect in this case, before PBA replacement, please check the power on. Samsung Electronics...
Page 141 Main address : C8, Sub1 address : C9, Sub2 address : CA, Sub3 address : CB 2. The number of the indoor Units Connected to the outdoor unit can be configured by using the indoor unit installation quantity setup switch. Indoor Unit Installed Installed Quantity Quantity Samsung Electronics...
Page 142 - If press the K2, K4 button shortly in the automatic setting mode, it is changed to the manual mode. (Ex. If 10 is indicated and press the K4 button, 11 is indicated and changed to the manual mode.) Samsung Electronics...
Page 143: Main Pba Has No Power Phenomenon
Check the short-circuit of HUB PBA. Is the HUB PBA LED lighted up? Replace HUB PBA if there is abnormality. Is the communication wire of Connect the communication wire to the CN96 connector on the HUB PBA. MAIN/HUB connected? Replace the MAIN PBA. Samsung Electronics...
Page 144: Communication Error Between Indoor And Outdoor Units During Tracking
PBA. change the indoor unit PBA. * Essential Requirements before Changing PBA in Case of Good Defective Communication Error: Refer to p.50 0.7V 0.7V Samsung Electronics...
Page 145 - Each resistance value should be measured in tens of kΩ~to hundreds of kΩ. - Difference between the two resistance values should be of some number of kΩ. ● Judging as defective - One or both are low with tens of Ω - One or both of them is open Samsung Electronics...
Page 146: Communication Error Between Indoor And Outdoor Units After Tracking
Case of Communication Error: Refer to p.50 the indoor unit which interferes with the communication to check and change the indoor unit PBA. Good Defective 0.7V 0.7V Samsung Electronics...
Page 147: Communication Error Between Main And Sub Unit Of Outdoor Unit Or Between Outdoor Units
Indoor unit and Outdoor unit. Check address of Outdoor unit. Re-address Outdoor unit Check operation of LED and 7-SEG each SUB UNIT normally. Replace MAIN PBA Essential Requirements before Changing PBA in Case of Communication Error: Refer to p.59 Samsung Electronics...
Page 148: Internal Communication Error Of The Outdoor Unit C-Box
1) Check the Main PBA : Main PBA TX circuit inspection Does FAN PBA LD22/LD32 (LED) blink? 2) Check the Hub PBA : Hub PBA TX circuit inspection * Service after turn off the Main Power. Replace Main PBA Samsung Electronics...
Page 149: Internal Pba Communication Error Of The Outdoor Unit C-Box
EMI PBA CN23 connector accurately connected? Does INVERETER PBA LD22 (LED) blink? Replace the NVERETER PBA. Is INVERETER PBA CN31, CN91 Check the wire connection status. connector and FAN PBA CN501 connector accurately connected? Replace the FAN PBA Samsung Electronics...
Page 150 4-3 Appropriate Measures for Different Symptom (cont.) 4-3-7 Internal PBA Communication error of the Outdoor Unit C-Box (cont.) E206 C003/C004 C003 : Replace the INVERTER PBA 1 C004 : Replace the INVERTER PBA 2 C005 : Replace the Water Hub PBA Samsung Electronics...
Page 151: Mcu Branch Part Setup Error-Inconsecutive Connection With The Use Of 2 Branch Parts
MCU BOX #0 address setup MCU PCB Branch part use setup Setting error Indoor unit address Branch A Indoor unit MCU BOX #0 address setup MCU PCB Branch part use setup Setting error Indoor unit address Branch A Samsung Electronics Indoor unit...
Page 152: Mcu Branch Part Setup Error-Repeated Setup For The Same Address Over 3 Times
Find an MCU that is composed as the following picture to carry out assembly of branch part again. After completing the re-setting, press K3 button on the button to reset or turn it off to restart. Outdoor Unit PBA Quantity of Quantity of Indoor Unit Branch Indoor Unit: 3 MCU: 1 Samsung Electronics...
Page 153: Mcu Branch Part Setup Error-Non-Installed Address Setup
Indoor number setup MCU number setup MCU address setup MCU BOX #0 MCU BOX #1 MCU PCB MCU PCB Branch part use setup Indoor unit address Branch A Branch A Samsung Electronics Indoor unit Outdoorunit Indoor unmber setup MCU unmber setup...
Page 154: Setup Error For Mcu Branch Part-Setup Error For Mcu Quantity Used
Address: 1 Address: 2 • Example of MCU address setting error ex) Two among three of MCU address was set to 0 Outdoor Unit PBA Quantity of Quantity of Indoor Unit Branch Indoor Unit:- MCU: 3 Branch Branch Samsung Electronics...
Page 155: Mcu Branch Part Setup Error-Overlapping Indoor Unit Address Setup
MCU BOX #0 address setup MCU PCB Branch part use setup Indoor unit address Branch A MCU BOX #1 address setup MCU PCB Branch part use setup Indoor unit address Branch A MCU BOX #1 MCU PCB Samsung Electronics Branch A...
Page 156: Mcu Branch Part Setup Error_Set As Being Used Without Connection To An Indoor Unit
Adjust the Dip switch that sets up the use of MCU branch part to ‘Not-Used'. After completing resetting, press the outdoor unit's Branch A K3 button to reset or turn off to restart. MCU BOX #1 MCU PCB Branch A MCU BOX #1 MCU address setup MCU PCB Branch part use setup Indoor unit address Branch A Indoor unit Samsung Electronics...
Page 157: Mcu Branch Part Setup Error-Connect An Indoor Unit To A Branch Part Not Being Used
Check the actual use of the branch part. If it is used, turn on the Dip switch for branch part setup. After completing resetting, press the outdoor unit's K3 button to reset or turn off to restart. MCU BOX #1 MCU address setup MCU PCB Branch part use setup Indoor unit address Branch A Indoor unit Samsung Electronics...
Page 158: Mcu Branch Part Setup Error-Connect More Indoor Units Than What Is Actually Set Up In Mcu
Example of MCU indoor unit setting DIP switch error • ex) Indoor unit No.5 was connected to branch part C, but DIP switch No.3 (branch part C) is off. Outdoor Unit PBA Quantity of Quantity of Indoor Branch Indoor Unit: 4 MCU: 1 Samsung Electronics...
Page 159: Mcu/Mcu Subcooler Entrance/Exit Sensor Error (Open/Short)
Separate the connector from the PBA and Temperature(°C) Resistance(KΩ) measure the resistance value between the 2 terminals. 12.1 18.0 Is the resistor value matching with 27.3 “NOTE1” table? 43.0 Replace this part as it is the defective itself. Restart operation after replace the PBA Samsung Electronics...
Page 160: Outdoor Temperature Sensor Error
12.1 CN43 (7, 8) Did the resistance 18.0 value significantly stray from the following 27.3 temperature table? 43.0 Replace this since it is the defective of the outdoor temperature sensor itself. Restart operation after replace the PBA Samsung Electronics...
Page 161: Cond Out Temperature Sensor Error (Open/Short)
CN43 (5, 6) 18.0 Did the resistance 27.3 value significantly stray from the following 43.0 temperature table? Replace this part as it is the defective of the outdoor Cond Out sensor itself. Restart operation after replace the PBA. Samsung Electronics...
Page 162: Outdoor Cond Out Sensor Breakway Error
Is the Cond Out sensor resistance value reasonable? Defective Sensor : Replace Sensor (Refer to E231) Are there any changes Blocked Sensor Path : the value of the sensor when operating from Change heat exchanger Ass'y stop to heating? Complete Samsung Electronics...
Page 163 Is the Cond Out sensor resistance value reasonable? Defective Sensor : Replace Sensor (Refer to E231) Are there any changes Blocked Sensor Path : the value of the sensor when operating from Change heat exchanger Ass'y stop to heating? Complete Samsung Electronics...
Page 164: Compressor Discharge Or Top 1/2 Temperature Sensor Error
DIS1 : CN43 (1, 2) 553.0 DIS2 : CN45 (3, 4) Is the resistor value matching with “NOTE1” table? Replace this part as it is the defective of the Compressor Discharge or Top Temperature sensor itself. Restart operation after replace the PBA Samsung Electronics...
Page 165: Compressor Discharge Or Top Temperature Sensor Breakway Error
Replace the PBA Temperature(°C) Resistance(KΩ) 11.2 18.5 32.0 59.0 TOP1 TOP2 200.0 242.0 TOP1 : CN43 (3, 4) TOP2 : CN45 (5, 6) 362.0 DIS1 : CN43 (1, 2) 553.0 DIS2 : CN45 (3, 4) Samsung Electronics...
Page 166 Re-insert the sensor. and sensor Holder accurately Re-attach the sensor holder. attached? Is Suction sensor resistance value reasonable? Defective Sensor : Replace Sensor (Refer to the “Note 1” ) NOTE1 Temperature(°C) Resistance(KΩ) Replace the PBA 12.1 18.0 27.3 43.0 Samsung Electronics...
Page 167: High Pressure Sensor Error (Open/Short)
(Please check by connecting the Manifold gauge to the service valve) High pressure sensor terminal of PBA : Is the voltage between Replace PBA 3 and 4 pins 5V? The ▼ mark is the 1st pin on the PBA. Replace High Pressure sensor Samsung Electronics...
Page 168: Low Pressure Sensor Error (Open/Short)
(Please check by connecting the Manifold gauge to the service valve) Low pressure sensor terminal of PBA : Is the Replace PBA voltage between 3 and 4 pins 5V? The ▼ mark is the 1st pin on the PBA. Replace Low Pressure sensor Samsung Electronics...
Page 169: Suction Temperature Sensor Error (Open/Short)
2 terminals. 12.1 SUCT 18.0 CN44 (1, 2) 27.3 43.0 Is the resistor value matching with “NOTE1” table? Replace this part as it is the defective of the Outdoor Suction sensor itself. Restart operation after replace the PBA. Samsung Electronics...
Page 170: Liquid Pipe Temperature Sensor Error (Open/Short)
2 terminals. LIQUID 12.1 CN45 (1, 2) 18.0 27.3 43.0 Is the resistor value matching with “NOTE1” table? Replace this part as it is the defective of the Liquid Pipe Temperature sensor itself. Restart operation after replace the PBA. Samsung Electronics...
Page 171: Evi In Temperature Sensor Error (Open/Short)
EVI-IN 12.1 CN44 (3, 4) 18.0 27.3 43.0 Is the resistor value matching with “NOTE1” table? Replace this part as it is the defective of the Outdoor EVI In Temperature sensor itself. Restart operation after replace the PBA Samsung Electronics...
Page 172: Evi Out Temperature Sensor Error (Open/Short)
EVI-OUT 12.1 CN44 (5, 6) 18.0 27.3 43.0 Is the resistor value matching with “NOTE1” table? Replace this part as it is the defective of the Outdoor EVI Out Temperature sensor itself. Restart operation after replace the PBA Samsung Electronics...
Page 173: Suction-2 Temperature Sensor Error (Open/Short)
CN46 (1, 2) 12.1 18.0 27.3 43.0 Is the resistor value matching with “NOTE1” table? Change this part as it is the fault of the outdoor Suction-2 sensor itself. Restart operation after changing PBA Samsung Electronics...
Page 174: Measures Of Other Outdoor Unit Error
FAN2 PBA IPM temperature sensor error Replace FAN PBA E499 FAN1 PBA IPM temperature sensor error Replace FAN PBA E374 Inverter PBA2 IGBT temperature sensor error Replace Inverter PBA E474 Inverter PBA1 IGBT temperature sensor error Replace Inverter PBA Samsung Electronics...
Page 175 Are there any blockage inside Pipe inspection the pipe? (filter etc.) Are the Outdoor Fan Replace relevant component operating normally for the cooling and the Indoor Fan operating normally (motor or fan) for the heating? Check the refrigerant amount. Samsung Electronics...
Page 176 Are there any blockage inside Pipe inspection the pipe? (filter etc.) When cooling operation, Check the water pipes or Replace water temperature, quantity, or heating operation, relevant component(motor or fan) indoor fan operates normally do? Check the refrigerant amount. Samsung Electronics...
Page 177 (filter etc.) Is there any leakage in the Liquid Pipe Valve or the Discharge Replace relevant component check valve leaking on outdoor unit that is off when only some Outdoor Units are operating? Check the refrigerant amount. Samsung Electronics...
Page 178 Pipe inspection the pipe? (filter etc.) Is there any leakage in the Liquid Pipe Valve or the discharge Replace relevant component check valve of the not-go-end Outdoor Unit when only some Outdoor Units are operating? Check the refrigerant amount. Samsung Electronics...
Page 179: E416 : Suspension Of Starting Due To Compressor Discharge Temperature Sensor/Top Temperature Sensor
Check the refrigerant amount. 11.2 18.5 32.0 TOP1 TOP2 59.0 TOP1 : CN43 (3, 4) 200.0 TOP2 : CN45 (5, 6) 242.0 DIS1 : CN43 (1, 2) 362.0 DIS2 : CN45 (3, 4) 553.0 Samsung Electronics...
Page 180: 3-Phase Input Wiring Error
Did the EMI PBA Fuse is short? Replace Fuse, if the rectifier diode of the inverter PBA is normal. Is EMI PBA CN21 connector and Inverter PBA accurately Connection and then restart it connected? Replace the MAIN PBA. Samsung Electronics...
Page 181 Manifold Gauge value in range? Are the 4Way Valve normally operating? Check the 4Way Valve Are the Indoor Unit and Outdoor Unit EEV Check the relevant EEV normally operating? Compressor Inspection Is current of compressor normally? Check the refrigerant Complete Samsung Electronics...
Page 182: Evi Eev Open Error
Replace EVI EEV Normal Abnormal Check for Intercooler leakage. Replace Intercooler Normal Abnormal Check for Indoor Unit EEV leakage Replace Indoor Unit EEV Normal Is there a liquid-gas pipe directly connected to each other? Reinstall pipe Check the refrigerant Samsung Electronics...
Page 183: Refrigerant Leakage Error
(Please check by connecting the menu folder gauge to the service valve) Out of the PBA Pressure Replace PBA sensor terminals, is there voltage between pins 3 and 4 5V? The ▼ mark is the 1st pin on the PBA. Replace Pressure sensor Samsung Electronics...
Page 184: Prevention Of Heating/Cooling Operation Due To Outdoor Temperature
∙ Cooling operation : When the outdoor temperature is less than -25℃ ∙ System protection operation status (Is not breakdown) Cause of problem · If the outdoor temperature is satisfied the operating range, it will clear the error and start the operation automatically. Samsung Electronics...
Page 185: Prevention Of Heating Refrigerant Charge Due To Outdoor Temperature
× ※ ● : ON ◑ : Flash ×: OFF Judgment • When the heating refrigerant charge : If the outdoor temperature is more than 15℃ Method Cause of • System protection operation status (Is not breakdown) problem Samsung Electronics...
Page 186: Cch Wire Breaking Error
Fix the compressor Top temperature sensor in correct position. Is CCH resistance normal? (500~700 Ω /infinite for disconnection) Change CCH. Does the E445 error occur even after the outdoor unit K3” RESET? Normal Operation. Replace the PBA. Samsung Electronics...
Page 187 Fix the compressor Top temperature sensor in correct position. Is CCH resistance normal? (500~700 Ω /infinite for disconnection) Change CCH. Does the E445 error occur even after the outdoor unit K3” RESET? Normal Operation. Replace the PBA. Samsung Electronics...
Page 188: Fan Motor Starting Error
Motor (U ↔ V,V ↔ W,W ↔ U) less than 10Ω? Is the resistance between the body of FAN Motor Replace Fan Motor and chassis MΩ? Does the FAN Motor connection wire properly Check the connection wire connect? Replace Fan PBA Samsung Electronics...
Page 189 Measurement error can occur for reasons such as the ini- tial measurement condenser discharge. Measured over at least three times. Measure the diode 0.3~0.7V voltage values < Table 1 > FAN PCB Fan PBA < Figure 1 > Samsung Electronics...
Page 190: Fan Motor Locking Error
If you rotate the fan by hand, Replace Fan Motor the noise occurs? Connection wire of Fan Motor did confirmation? (Check the connection status of Check the connection status, and then restart. the Fan1 and Fan2.) Replace Fan PBA Samsung Electronics...
Page 191: Momentary Blackout Error
※ ● : ON ◑ : Flash ×: OFF Judgment ∙ Momentary stop of compressor due to momentary blackout. Method Cause of ∙ Momentary stop of compressor due to momentary blackout. problem 1. Precautions : Replace Hub PBA or Main PBA. Samsung Electronics...
Page 192: Outdoor Fan Motor Overheating
Connection wire of Fan Motor did confirmation? (Verify that the wire folded, or the connection Check the connecting wire and restart it. is detached.) Is there anything strange in Replace Fan PBA appearance Fan Motor? Replace Fan Motor Samsung Electronics...
Page 193: Fan Pba Ipm Overheating Error
*Cold heat sink assembly defect occurs. Does the heatsink fixing bolt are tightened completely? Tighten Bolt Remove foreign objects and Did check the foreign objects apply the heat sink grease. between the heat sink and IPM? And then reassembly Replace fan PBA Samsung Electronics...
Page 194: Compressor Starting Error
(U ↔ V,V ↔ W,W ↔ U) less than 2Ω? Is the resistance between the body of Compressor and Replace Compressor. chassis Open? Does the Compressor connection wire properly connect to Repair / Replace the wire. the Inverter PBA? Continue. Samsung Electronics...
Page 195 After change Measure E464 E464 Replace No.1Inverter PBA E464 E364 Replace No.1 Compressor E364 E364 Replace No.2 Inverter PBA E364 E464 Replace No.2 Compressor See the "Contain of compressor Exchange (3-XX)" in service manual when you replace the compressor. Samsung Electronics...
Page 196: Comp Overcurrent Error
(U-V, V-W, W-U) less than 2Ω? Is the resistance between the body of Compressor and Replace Compressor chassis MΩ? Does the Compressor Check the connection wire connection wire properly connect (Check the status of the to the compressor? connection UVW) Continue. Samsung Electronics...
Page 197 After change Measure E464 E464 Replace No.1Inverter PBA E464 E364 Replace No.1 Compressor E364 E364 Replace No.2 Inverter PBA E364 E464 Replace No.2 Compressor See the "Contain of compressor Exchange (3-XX)" in service manual when you replace the compressor. Samsung Electronics...
Page 198 COMP 1 9times (KD__) 8times (KD__) COMP 2 10times (KE__) 9times (KE__) MOTOR 1 11times (KF__) MOTOR 2 12times (KG__) Power Off ( Use to inverter checker ) PBA Defective Replace Compressor/Fan motor Replace Inverter PBA /Fan PBA Samsung Electronics...
Page 199 N-IGBT uch as the initial measurement condenser discharge. P-IGBT Measured over at least three times. P-IGBT P-IGBT Measure the diode 0.3~0.7V voltage values N-IGBT N-IGBT N-IGBT < Table 1 > 인버터 PCB Inverter PBA < Figure 1 > Samsung Electronics...
Page 200: Overvoltage / Low Voltage Error
Is Inverter PBA R,S,T Wire and EMI PBA CN21 Power Off and then re-connection connector accurately connected? Replace Inverter PBA Standard AC Voltage(Vac) Standard DC Voltage(Vdc) Type of Power AC Input Source Voltage Min. Max. Min. Max. 208~230V 460V Samsung Electronics...
Page 201: Dc Link Voltage Sensor Error
1. Cause of problem E496 Power Off DC power wire (Inv. PBA) Check the connector Check the status of DC LINK Connector connection Replace FAN PBA DC power wire (Fan PBA) E469 E369 Replace No1 INVERTER PBA Replace No2 INVERTER PBA Samsung Electronics...
Page 202: Fan Motor Overcurrent Error
Replace Outdoor Fan Motor Fan Motor and chassis MΩ? Is the Fan Motor wire properly Reconnect wires (Housing – Connector) connected to FAN PBA? Replace Fan PBA Fan PBA wire connection [FAN PBA] FAN Motor Connector Hall-sensor Connector Hall-sensor Connector Samsung Electronics...
Page 203 ∙ Occurs when overcurrent flows in the IPM. Judgment Method ∙ Detected by H/W or S/W Cause of problem ∙ Defective FAN Motor 1. Cause of problem Power Off E489 E389 Replace No1 Fan motor Replace No2 Fan motor Samsung Electronics...
Page 204: Input / Output Current Sensor Error
Cause of problem ∙ PBA voltage sensing circuit defective 1. Cause of problem Power Off Is Power connection accurately connected? Power Cable re-connection E485 or E385? E493 or E393? E468 or E368? Replace Inverter PBA Replace Fan PBA Samsung Electronics...
Page 205: Outdoor Fan Pba Overvoltage / Low Voltage Error
DC LINK connector disconnect from FAN PBA [Refer to Standard DC Voltage] (If the voltage is out of Std. range) Check the status of DC LINK Connector Replace connected wire Replace FAN PBA DC power wire (Inv. PBA) DC power wire (Fan PBA) Samsung Electronics...
Page 206: Hall Ic(Fan) Error
(Verify that the wire folded, or the connection is detached.) HALL IC on the PBA is connected correctly? Check the connecting wire and restart it. Replace Fan PBA Restart When the error is repeated, replace the Fan Motor. Samsung Electronics...
Page 207: Inverter Pba Ipm Overheating Error
IPM? sink grease. And then reassembly Apply the heat sink grease and then Did properly apply the heat sink grease? (Between the heat sink and the IPM) reassembly. Grease Service Code : DB81-02483A Good No Good Complete Samsung Electronics...
Page 208: Option Setting Error Of Outdoor Unit
Compressor Cut off Option Setting, E560. Is the outdoor unit EEPROM accurately Connect outdoor unit EEPROM and then reset. connected to connector? Download relevant model EEPROM and then reset. ※ Execute automatic commissioning for UP cancellation after EEPROM download. Samsung Electronics...
Page 209: Error Due To Using Single Type Outdoor Unit In A Module Installation
Is installed by outdoor unit module? Download relevant model EEPROM and Outdoor unit single type exclusive use then reset. model (non-modular model), can not be ※ Execute automatic commissioning module installation. for "UP" cancellation after EEPROM (Single type only installation) download. Samsung Electronics...
Page 210: Indoor Unit And Mcu Address Duplication Error
- To solve the problem through the power reset after the address is reset the or reset the whole system to rerun. power reset of individual units is meaningless and the power of the whole system must be reset. Samsung Electronics...
Page 211: Case Study For Trouble Shoots
▪ It is seriously dangerous to touch inverter PBA, fan PBA as high DC voltage is charged. ▪ Must do key operation “Discharge mode” or Wait for more 15 minutes to discharge naturally. inverter PBA fan PBA < Warning Label > Samsung Electronics...
Page 212 Cooling Number Push time “ ” “ ” “ ” “ ” Inv. 2 DC voltage Inv. 1 DC volt Ex) 445V → 0445 Display “ ” “ ” “ ” “ ” ※ Below 30 Volt, displays. Samsung Electronics...
Page 213: Pump Down Operation
5. If high pressure is same or lower than 30kg/cm2.g, open the liquid valve and container valve. 6. Check the weight of container and then close the valve. * Recommend to store 50% of total refrigerant. * If too much refrigerant is stored in the container system can’t proceed pump down properly. Scale Samsung Electronics...
Page 214 Troubleshooting 4-4 Case study for trouble shoots (cont.) 4-4-2 Pump down operation (cont.) Samsung Electronics...
Page 215: Pump Out Operation
※Low pressure is outside normal limite : Operation is shut down after as pipe manually closed. Etc. Entry after safety start. (Only the corresponding Outdoor Unit operation.) To pump out more than 2 : Except communicatio between Outdoor unit of relevant set after working for one, remainder set makes Pump Out add. Samsung Electronics...
Page 216 Troubleshooting 4-4 Case study for trouble shoots (cont.) 4-4-3 Pump out operation (cont.) Samsung Electronics...
Page 217: Vacuum
Vacuuming(All outdoor units) How to lnitiate K1 Tact Swithc 7 times~11 times Compressor Indoor Unit/Outdoor Unit 4Wasy Valve Valve Open all valves maximum Etc. If not turn off the vacuum mode, the start of normal operation is prohibited. Samsung Electronics...
Page 218: Case Study - E201 (Communication Error Between Indoor & Outdoor Unit)
Check the IC Duplicated address setting(E108 will be shown as well) Change the indoor unit’s address Cause Cause - Problem : System stop by E201 intermittently - Condition : System was ok when commissioning Operation Defrost Timer Filter ◑ ◑ Samsung Electronics...
Page 219 Measure the No.5- No.6 / No.5- No.7 / No.5- No.8 Pin resistance ▪ Judgment - Normal : Each resistance value = in hundreds Ω ~ to hundreds of kΩ. - Defective : One or both are low with tens of Ω One or both of them is open Samsung Electronics...
Page 220: Case Study - E205 (Internal Communication Error Of The Outdoor Unit C-Box)
2) No power supply to inverter PBA. Possibility 3) Poor connection of communication wiring and connector. 4) Wrong HP information in EEPROM. MAIN PBA HUB PBA FAN PBA INV PBA 1 INV PBA 2 Communication jumper Comm. jumper Connection Inv1 and inv2 Samsung Electronics...
Page 221: Case Study - E206 (Internal Communication Error Of The Outdoor Unit C-Box)
E206- C001 : HUB PBA communication error / E206-C002 : FAN PBA communication error E206- C003 : INV1 PBA communication error / E206-C004 : INV2 PBA communication error E206- C005 : Water Hub PBA communication error Main PBA Hub PBA Inverter PBA Samsung Electronics...
Page 222: Case Study - E108 (Error Due To Repeated Address Setting)
If you can’t see address “03” probably #03 IDU has wrong address Duplicated address of indoor unit in EEV kit Check the EEV Kit setting Display : E108-C101-E108-C101… Check MCU address rotary switch → Duplicated address of MCU Samsung Electronics...
Page 223 Because of E108 Address duplication of IDU/MCU/EEV EEV KIT address setting E108 Fix IDU address Failure (human error) Tracking error between remote con- Power reset on E604 Tracking fail because of E108 troller and the IDU Wired remote controller Samsung Electronics...
Page 224: Case Study - E461, E361 (Error Due To Operation Failure Of Inverter Compressor)
(INVERTER1 PBA) Outdoor unit display (INVERTER2 PBA) ∙ Startup, and then if the speed increase is not normally. Judgment Method ∙ Detected by H/W or S/W. ∙ Compressor connection error Cause of problem ∙ Defective Compressor ∙ Defective PBA Samsung Electronics...
Page 225: Case Study - Inverter Pba Error
∙ PBA defective (INVERTER1 PBA) Outdoor unit display (INVERTER2 PBA) ∙ N-phase wiring error and EMI Fuse short. Judgment Method ∙ DC-Link Overvoltage / Low voltage occurs. ∙ Check the input wiring Cause of problem ∙ EMI Fuse short Samsung Electronics...
Page 226: Case Study - E461/361 & E464/364 & E466/366
4. Execute inverter checker function in OUD main PBA. 5. If any LED is not blinking → PBA defect → Change PBA Inverter PBA visit visit Comp order visit visit Completion order PBA replace Comp replace Check with visit Order comp Inverter checker Comp replace Samsung Electronics...
Page 227 1. Power Off 2. Wait more than 15 minutes after the Power Off. 3. Exchange comp wire ( Inverter PBA 1 ↔ comp 2 & Inverter PBA 2 ↔ comp 1) 4. Take measure according to the result Samsung Electronics...
Page 228 Measurement error can occur for reasons P-IGBT Measure such as the initial measurement More than 500KΩ the resistance values N-IGBT condenser discharge. Measured over at least three times. N-IGBT N-IGBT P-IGBT P-IGBT P-IGBT Measure the diode 0.3~0.7V voltage values N-IGBT N-IGBT N-IGBT Samsung Electronics...
Page 229 2. Wait more than 15 minutes after the Power Off as in case of IPM failure, discharge mode may not work properly. 3. Prepare the digital multi tester. Resistance test Normal Value Resistance value of (U↔V,V↔W,W↔U) on compressor less than 2Ω Resistance value between the body of compressor and MΩ chassis Samsung Electronics...
Page 230: Case Study - Poor Cooling Caused By Ipm Overheated
52hz freq. 52hz (inv 1) IPM 86℃ IPM 92℃ IPM 91℃ IPM 89℃ - Root cause : Bad contact of IPM cause by faulty bolt. IPM1 IPM2 IPM 2- Reattach There is no thermal grease. Heat sink Samsung Electronics...
Page 231 IPM1 IPM2 IPM2 Basic Reattach #1 Reattach #2 Solved ※ IPM Temp Protection ※ HP Protection - Hz Hold : 90℃ - Hz Hold : 36 kgf/㎠ - Hz Down : 93℃ - Hz Down : 37 kgf/㎠ Samsung Electronics...
Page 232: Case Study - Related Error With Ipm
3) Defect of related electronic component 1) Check status of screws on IGBT module Treatment 2) Plastering thermal grease to IGBT module or heat sink 3) Change INV PBA Heat sink IGBT(IPM) module Inv. PBA Good No Good Samsung Electronics...
Page 233: Case Study - E455 (Fan Ipm Overheat Error)
Judgment Method ∙ IPM internal temperature more than 85°C (E455, E355) ∙ Heat sink and IPM assembly defective. Cause of problem ∙ Defective heat sink cooling Heat sink - Action : S-net pro data check & back up Samsung Electronics...
Page 234 4-4 Case study for trouble shoots (cont.) 4-4-15 Case study – E455 (Fan IPM overheat error) (cont.) - Analysis result : Cond out temperature is too high & Outdoor temperature is too high → Suspect insufficient air flow rate Samsung Electronics...
Page 235: Case Study - Temperature Sensor Open/Short
Cond_out temp. sensor 103AT E231 11.2 EVI in/out temp. sensor 103AT E321,322 18.5 Liquid tube temp. sensor 103AT E311 Suction temp. sensor 103AT E308,323 12.1 Discharge temp. sensor 204CT E251,257 18.0 Comp. top temp. sensor 204CT E276,277 27.3 43.0 Samsung Electronics...
Page 236: Case Study - Pressure Sensor Open/Short
▪ Disconnection or breakdown of relevant sensor. - E291 : High pressure sensor error - E296 : Low pressure sensor error Check sensor connector problem? Refrigerant amount insufficient voltage between Replace sensor Pressure pins 3&4 on PBA = 5V Replace PBA Samsung Electronics...
Page 237: Pba Diagram And Parts List
5. PBA Diagram and Parts List 5-1 ASS'Y PBA MAIN ■ Push buttons Type 4 15 10 11 Samsung Electronics...
Page 238 CN88-GAS LEAK ⑯ CN87-PUMP DOWN (EXTRA) #1 : COM-A #1 : VCC #1 : 12V #2 : COM-B #2 : COM-B #2 : COM-B #2 : PUMP DOWN START OUT #3 : 12V #4 : PUMP DOWN END OUT Samsung Electronics...
Page 239 PBA Diagram and Parts List 5-1 ASS'Y PBA MAIN (cont.) ■ DIP S/W Type 11 12 13 14 15 Samsung Electronics...
Page 240 #4 : 12V #4 : AGND #5 : GND CN33-INDOOR COMM ⑬ CN34- UNUSED COMM ⑭ ⑮ CN13-5V POWER (EXTRA) #1 : COM-E #1 : COM-A #1 : COM-A #2 : COM-F #2 : COM-B #2 : COM-B Samsung Electronics...
Page 241: Ass'y Pba Main-Hub
PBA Diagram and Parts List 5-2 ASS'Y PBA MAIN-HUB ■ AC Samsung Electronics...
Page 242 #2 : INV_SMPS_RELAY #2 : INV_SMPS_RELAY #3 : COMM-MAIN #4 : VCC #4 : VCC #3 : COMM OUT #4 : GND #4 : GND #5 : HIGH-PRESSURE-SENSOR #6 : LOW-PRESSURE-SENSOR #7 : ZERO-CROSSING #8 : GND #9 : VCC Samsung Electronics...
Page 243 PBA Diagram and Parts List 5-2 ASS'Y PBA MAIN-HUB (cont.) ■ DC 1 11 Samsung Electronics...
Page 244 CN701 EVI VALVE 1,2 #1 : 4-WAY VALVE #1 : AC LIVE #1: EVI VALVE 1 #2 : 4-WAY VALVE #2 : AC NEUTRAL #3: EVI VALVE 2 #7: EVI VALVE 1 #8: EVI VALVE 2 #9: AC NEUTRAL Samsung Electronics...
Page 245: Assy Pba Inverter
PBA Diagram and Parts List 5-3 ASSY PBA INVERTER - Model : AM080/100/120/140/160/180/200/220FXVSSS, AM080/100/120/140/160/180/200/220JXVSSS, AM140/200/220KXVASS, AM140/180/200/220KXVGSS 4 2 3 Samsung Electronics...
Page 246 #1 : 500V #2 : GND(500V) #2 : IN-SMPS-RELAY #2 : REACTOR #2 : GND #3 : COMM-IN #3 : 5V-FAN #4 : AD-SELECT #4 : GND-MAIN ⑨ CN13 - ACPOWER #1 : AC #2 : #3 : AC Samsung Electronics...
Page 247 PBA Diagram and Parts List 5-3 ASSY PBA INVERTER (cont.) - Model : AM240/260HXVSSS, AM240/260JXVSSS, AM160/180/240/260/280/300KXVASS, AM160/240/260/280KXVGSS, AM080KXVSSS Samsung Electronics...
Page 248 CN15-FAN DC LINK CN13-AC POWER R-INPUT R TOP S-INPUT S TOP #1 : AC #1: AC LIVE #1: R-IN #1: S-IN #2 : #2: AC NEUTRAL #3 : AC #3: AC NEUTRAL ⑬ T-INPUT T TOP #1: T-IN Samsung Electronics...
Page 249: Ass'y Pba Fan
PBA Diagram and Parts List 5-4 ASS’Y PBA FAN - Model : 1-FAN chassis Samsung Electronics...
Page 250 #8 : COMM-INV #7 : TMS #9 : GND-INV #7 : GND #9 : GND #10 : 5V ⑤ ⑥ U1-V1-W1 CN401-POWER #1 : FAN1-U #1 : DC 540V #2 : FAN1-V #2 : GND #3 : FAN1-W Samsung Electronics...
Page 251 PBA Diagram and Parts List 5-4 ASS’Y PBA FAN (cont.) - Model : 2-FAN chassis Samsung Electronics...
Page 252 #4 : TDO #5 : HALL-W #5 : TCK #6 : MOTOR-TEMP #6 : TDI #7 : GND #7 : TMS #9 : GND #10 : 5V ⑨ U2-V2-W2 #1 : FAN2-U #2 : FAN2-V #3 : FAN2-W Samsung Electronics...
Page 253: Ass'y Pba Emi
CN23- INVERTER 220V ② CN21-FAN A ③ CN22-MAIN 220 ④ RST- RST INPUT #1 : AC #1 : R #1 : AC T-IN #2 : #2 : S #2 : AC S-IN #3 : AC #3 : T R-IN Samsung Electronics...
Page 254 PBA Diagram and Parts List 5-5 ASS’Y PBA EMI (cont.) - Model : AM240/260HXVSSS, AM240/260JXVSSS, AM160/180/240/260/280/300KXVASS, AM160/240/260/280KXVGSS, AM080KXVSSS Samsung Electronics...
Page 255 CN107-T OUT ⑦ CN41-EARTH ⑧ CN101-R IN #1 : S-OUT #1 : T-OUT #1 : EARTH (PE) #1 : R-IN ⑨ CN102-S IN ⑩ CN103-T IN ⑪ R-INPUT R TOP #1 : S-IN #1 : T-IN #1: R-IN Samsung Electronics...
Page 256: Sub-Comm
② CN36 ③ CN#44 ④ CN45 ⑤ CN55 #1 :F1 #1 : F1 #1 : OF1 #1 : R1 #2 :F2 #2 : F2 #2 : OF2 #2 : R2 #3 :OF1 #4 :OF2 #5 :R1 #6 :R2 Samsung Electronics...
Page 257: Wiring Diagram
6. Wiring Diagram 6-1 AM080/100/120/140/160/180/200/220FXVSSS, AM080/100/120/140/160/180/200/220JXVSSS, AM140/200/220KXVASS, AM140/180/200/220KXVGSS This Document can not be used without Samsung’s authorization. Samsung Electronics Samsung Electronics...
Page 258: Am080/100/120/200Fxwass
Wiring Diagram 6-2 AM080/100/120/200FXWASS DB68-04063A-00 This Document can not be used without Samsung’s authorization. Samsung Electronics Samsung Electronics...
Page 259: Am240/260Hxvsss, Am240/260Jxvsss, Am160/180/240/260/280/300Kxvass, Am160/240/260/280Kxvgss, Am080Kxvsss
Wiring Diagram 6-3 AM240/260HXVSSS, AM240/260JXVSSS, AM160/180/240/260/280/300SXVASS, AM160/240/260/280SXVGSS, AM080KXVSSS This Document can not be used without Samsung’s authorization. Samsung Electronics Samsung Electronics...
Page 260: Am080Jxvafh
Wiring Diagram 6-4 AM080JXVAFH This Document can not be used without Samsung’s authorization. Samsung Electronics Samsung Electronics...
Page 261: Am100/120Jxvafh
Wiring Diagram 6-5 AM100/120JXVAFH This Document can not be used without Samsung’s authorization. Samsung Electronics Samsung Electronics...
Page 262: Am140/160/180/200Jxvafh
Wiring Diagram 6-6 AM140/160/180/200JXVAFH This Document can not be used without Samsung’s authorization. Samsung Electronics Samsung Electronics...
Page 263: Am080/100/120/140/160/180/200/220Jxvajh
Wiring Diagram 6-7 AM080/100/120/140/160/180/200/220JXVAJH This Document can not be used without Samsung’s authorization. Samsung Electronics Samsung Electronics...
Page 264: Field Wiring
▪ Use a power cable made out of incombustible material for the insulator (inner cover) and the sheath (outer cover) ▪ Do not use the power cable with the core wire exposed due to insulator damage occurred during removal of the sheath. When the core wire is exposed, it may cause fire. Samsung Electronics...
Page 265 Class 1 PVC coated flexible con- Galvanized steel sheet and Soft When the protection tube is installed outdoor and exposed to outside so there are duit PVC compound risk of damage to the protection tube and extra waterproof is needed Samsung Electronics...
Page 266 (COMP2) Low (PS_L) (COMP1) Outdoor Heat Exchanger (OHX) Thermistor - Liquid pipe (T_L) Solenoid FAN OFF Valve - Solenoid Valve - (V_EVI2) Ball Valve - EVI 1(V_EVI1) Accumulator oil Return (V_AR) Liquid pipe (BV_L) Outdoor Heat Exchanger (OHX) Samsung Electronics...
Page 267: Piping Diagram
(HR Only) Accumulator Oil Return Valve (Solenoid Opening the valve during operation and sends the oil which accumulates V_AR valve-Accumulator Oil Return) in the lower liquid separator to the compressor. Samsung Electronics...
Page 268 It is used to determine the supercooling. Comp. Top Temp. Sensor To measure the surface temperature of the compressor Top Cover. T_CT (Thermistor-Compressor Top) It is mainly used to protect the compressor. Ambient Temp. Sensor Measure the temperature of the outdoor air. (Thermistor-Ambient) Samsung Electronics...
Page 269: Am080/100/120F(J)Xvssh (Dvm S Heat Pump)
Cooler Top (T_CT) (IPMC) Compressor (COMP) Solenoid Valve - Accumulator oil Return (V_AR) Thermistor - Liquid pipe (T_L) Solenoid Valve - EVI (V_EVI) Ball Valve - Liquid pipe (BV_L) This Document can not be used without Samsung’s authorization. Samsung Electronics...
Page 270: Am140F(J)Xvssh (Dvm S Heat Pump)
Low (PS_L) Cooler (IPMC) Compressor (COMP) Solenoid Valve - Accumulator oil Return (V_AR) Thermistor - Liquid pipe (T_L) Solenoid Valve - EVI (V_EVI) Ball Valve - Liquid pipe (BV_L) This Document can not be used without Samsung’s authorization. Samsung Electronics...
Page 271: Am140/160Kxvgsh, Am140/160/180Kxvash (Dvm S Heat Pump)
(AC) Thermistor - Thermistor - Discharge pipe (T_D) Compressor Cooler Top (T_CT) (IPMC) Compressor (COMP) Solenoid Valve - Accumulator oil Return (V_AR) Thermistor - Liquid pipe (T_L) Solenoid Valve - EVI (V_EVI) Ball Valve - Liquid pipe (BV_L) Samsung Electronics...
Page 272: Am160/180/200/220F(J)Xvssh (Dvm S Heat Pump)
Thermistor - Liquid pipe (T_L) Solenoid Solenoid Valve - Solenoid Valve - Valve - EVI 2 (V_EVI2) Accumulator oil Return (V_AR) EVI 1 (V_EVI1) Ball Valve - Liquid pipe (BV_L) This Document can not be used without Samsung’s authorization. Samsung Electronics...
Page 273: Am180/200/220Kxvgsh, Am200/220Kxvash (Dvm S Heat Pump)
Thermistor - Liquid pipe (T_L) Solenoid Valve - Accumulator oil Return (V_AR) Solenoid Solenoid Valve - Valve - EVI 2 (V_EVI2) EVI 1 (V_EVI1) Ball Valve - Liquid pipe (BV_L) This Document can not be used without Samsung’s authorization. Samsung Electronics...
Page 274: Am240/260Hxvash (Dvm S Heat Pump)
Solenoid Valve - Solenoid Solenoid Valve - Accumulator oil Return (V_AR) Valve - EVI 1 Thermistor - EVI 2 (V_EVI2) (V_EVI1) Liquid pipe (T_L) Ball Valve - Liquid pipe (BV_L) This Document can not be used without Samsung’s authorization. Samsung Electronics...
Page 275: Am240/260Kxvash (Dvm S Heat Pump)
(COMP2) Liquid pipe (T_L) Solenoid Valve - Accumulator oil Return (V_AR) Solenoid Solenoid Valve - Valve - EVI 1 EVI 2 (V_EVI2) (V_EVI1) Ball Valve - Liquid pipe (BV_L) This Document can not be used without Samsung’s authorization. Samsung Electronics...
Page 276: Am240/260/280Kxvgsh, Am280/300Kxvash, Am080Kxvssh (Dvm S Heat Pump)
(COMP1) Liquid pipe (T_L) Solenoid Valve - Accumulator oil Return (V_AR) Solenoid Solenoid Valve - Valve - EVI 1 EVI 2 (V_EVI2) (V_EVI1) Ball Valve - Liquid pipe (BV_L) This Document can not be used without Samsung’s authorization. Samsung Electronics...
Page 277 E_M1 E_M2 IPMC1 IPMC2 T_CI T_CO V_4W V_OD2 CV_E2 T_S 1 T_EI T_EO 1/4” E_EV CVD2 CVD1 V_HG 11/8” V_EB SV_G T_S2 HPSW1 HPSW2 T_D2 T_D1 T_CT1 T_CT2 26.0L INV1 INV2 7㎜ 7㎜ V_AR1 3/4” V_ES V_ES SV_L Samsung Electronics...
Page 278: Am080/10/120Sr (Dvm S Water Heat Recovery)
(T_D) Compressor Top (T_CT) Compressor (COMP) Solenoid Valve - Accumulator oil Return (V_AR) Thermistor - Liquid pipe (T_L) Solenoid Valve - EVI (V_EVI) Ball Valve - Liquid pipe (BV_L) This Document can not be used without Samsung’s authorization. Samsung Electronics...
Page 279: Am140F(J)Xvssr (Dvm S Heat Recovery)
Low (PS_L) Compressor Top (T_CT) Compressor (COMP) Solenoid Valve - Accumulator oil Return (V_AR) Thermistor - Liquid pipe (T_L) Solenoid Valve - EVI (V_EVI) Ball Valve - Liquid pipe (BV_L) This Document can not be used without Samsung’s authorization. Samsung Electronics...
Page 280: Am160/180/200/220F(J)Xvssr (Dvm S Heat Recovery)
Thermistor - Liquid pipe (T_L) Solenoid Solenoid Valve - Solenoid Valve - Valve - EVI 2 (V_EVI2) Accumulator oil Return (V_AR) EVI 1 (V_EVI1) Ball Valve - Liquid pipe (BV_L) This Document can not be used without Samsung’s authorization. Samsung Electronics...
Page 281: Am080/100/120Fxwasr (Dvm S Water Heat Recovery)
Solenoid Valve - EVI Valve Accumulator oil Return (V_AR) EVI (V_EVI) (V4) Thermistor - Check Valve - Ball Valve - Liquid pipe (T_L) Liquid pipe (CV_L) Liquid pipe (BV_L) This Document can not be used without Samsung’s authorization. Samsung Electronics...
Page 282: Am200Fxwasr (Dvm S Water Heat Recovery)
Solenoid Valve - Thermistor - Accumulator oil Return (V_AR) EVI 1 EVI 2 (V_EVI2) Liquid pipe (V_EVI1) (T_L) Check Valve - Ball Valve - Liquid pipe (CV_L) Liquid pipe (BV_L) This Document can not be used without Samsung’s authorization. Samsung Electronics...
Page 283: Refrigerant Flow For Each Operation Mode
OFM1 OFM2 T_CO HX_M CV_EB IPMC1 V_4W PS_H IPMC2 V_HG CV_D1 HX_IC CV_D2 V_EB T_EO T_EI E_EVI PW_H1 PW_H2 T_D1 T_D2 T_CT1 T_CT2 COMP2 COMP1 V_AR V_EVI1 V_EVI2 BV_L This Document can not be used without Samsung’s authorization. Samsung Electronics...
Page 284: Dvm S Heat Pump - Heating Operation
OFM2 T_CO HX_M CV_EB IPMC1 V_4W PS_H IPMC2 V_HG HX_IC CV_D1 CV_D2 V_EB T_EO T_EI E_EVI PW_H1 PW_H2 T_D1 T_D2 T_CT1 T_CT2 COMP1 COMP2 PS_L V_EVI1 V_EVI2 V_AR BV_L This Document can not be used without Samsung’s authorization. Samsung Electronics...
Page 285: Dvm S Heat Recovery - Cooling Operation
V_HG2 CV_EB V_4W IPMC1 PS_H V_HG IIPMC2 CV_D1 CV_D2 BV_LG T_S2 HX_IC V_EB T_EO T_EI PW_H1 PW_H2 T_D1 T_D2 HX_IC T_CT1 T_CT2 PS_L COMP2 COMP1 V_EVI1 V_EVI2 V_AR BV_L This Document can not be used without Samsung’s authorization. Samsung Electronics...
Page 286: Dvm S Heat Recovery - Main Cooling Operation
V_HG2 CV_EB V_4W IPMC1 PS_H V_HG IPMC2 CV_D1 CV_D2 BV_LG T_S2 HX_IC V_EB T_EO T_EI PW_H1 PW_H2 T_D1 T_D2 HX_IC T_CT1 T_CT2 COMP1 COMP2 PS_L V_AR V_EVI1 V_EVI2 BV_L This Document can not be used without Samsung’s authorization. Samsung Electronics...
Page 287: Dvm S Heat Recovery - Heating Operation
V_HG2 CV_EB V_4W IPMC1 PPS_H V_HG IPMC2 CV_D1 CV_D2 BV_LG T_S2 HX_IC V_EB T_EO T_EI PW_H1 PW_H2 T_D2 T_D1 HX_IC T_CT1 T_CT2 COMP2 COMP1 PS_L V_EVI1 V_EVI2 V_AR BV_L This Document can not be used without Samsung’s authorization. Samsung Electronics...
Page 288: Dvm S Heat Recovery - Main Heating Operation
V_HG2 CV_EB V_4W IPMC1 PS_H V_HG IPMC2 CV_D1 CV_D2 BV_LG T_S2 HX_IC V_EB T_EO T_EI PW_H2 PW_H1 T_D1 T_D2 HX_IC T_CT1 T_CT2 COMP1 COMP2 PS_L V_EVI1 V_EVI2 V_AR BV_L This Document can not be used without Samsung’s authorization. Samsung Electronics...
Page 289: Cooling Operation(H/R) - Am080/100/120/200Fxwass
V_HC CV_HC IPMC2 Receiver BV_LG V_HG CV_D1 CV_D2 V_EB T_S2 T_EO HX_IC PW_H1 PW_H2 T_EI T_D1 T_D2 E_EVI T_CT1 T_CT2 COMP1 COMP2 PS_L CV_L2 V_AR V_EVI2 V_EVI1 CV_L BV_L This Document can not be used without Samsung’s authorization. Samsung Electronics...
Page 290: Main Cooling Operation(H/R) - Am080/100/120/200Fxwass
V_HC CV_HC IPMC2 Receiver BV_LG V_HG CV_D2 CV_D1 V_EB T_S2 T_EO HX_IC PW_H1 PW_H2 T_EI T_D1 T_D2 E_EVI T_CT1 T_CT2 COMP1 COMP2 PS_L CV_L2 V_AR V_EVI1 V_EVI2 CV_L BV_L This Document can not be used without Samsung’s authorization. Samsung Electronics...
Page 291: Heating Operation(H/R) - Am080/100/120/200Fxwass
V_HC CV_HC IPMC2 Receiver BV_LG V_HG CV_D1 CV_D2 V_EB T_S2 T_EO HX_IC PW_H1 PW_H2 T_EI T_D1 T_D2 E_EVI T_CT1 T_CT2 COMP1 COMP2 PS_L CV_L2 V_AR V_EVI1 V_EVI2 CV_L BV_L This Document can not be used without Samsung’s authorization. Samsung Electronics...
Page 292: Main Heating Operation(H/R) - Am080/100/120/200Fxwass
V_HC CV_HC IPMC2 Receiver BV_LG V_HG CV_D1 CV_D2 V_EB T_S2 T_EO HX_IC PW_H1 PW_H2 T_EI T_D1 T_D2 E_EVI T_CT1 T_CT2 COMP1 COMP2 PS_L CV_L2 V_EVI1 V_EVI2 V_AR CV_L BV_L This Document can not be used without Samsung’s authorization. Samsung Electronics...
Page 293: Functions
▪ Superheated vapor indicates to the vapor state found to the right of the Saturated vapor line. ▪ Two-phase state refers to a state where gas and liquid phases are mixed. ▪ Subcooled liquid refers to the liquid state found to the left of the Saturated liquid line. Samsung Electronics...
Page 294 ▪ Difference between condenser exit temperature and high pressure saturation temperature is referred to as subcooled degree. Superheated degree must be calculated at the evaporator exit. This prevents wet compression. Refrigerant flow from the evaporator must be adjusted using the expansion valve so that only superheated vapor can flow into the compressor. Samsung Electronics...
Page 295 ▪ Adjust the indoor unit EEV to sync the refrigerant superheated degree for the indoor heat exchanger (formula: exit refrig- erant temperature - entrance refrigerant temperature) with the target superheated degree. Samsung Electronics...
Page 296 - low pressure saturation temperature) with the target superheated degree. ▪ Adjust the indoor unit EEV to sync the refrigerant supercooling degree for the indoor heat exchanger (formula: high pres- sure saturation temperature - entrance refrigerant temperature) with the target supercooling degree. Samsung Electronics...
Page 297: Control
In case that the measured value is higher than the target pressure, raise the operating capacity of the compressor consid- ering that the operating capacity is lower compared to load. Samsung Electronics...
Page 298 In case that the setting value of the evap in temperature is required to be adjusted, it can be adjusted in the main PBA by referring to the installation manual. Samsung Electronics...
Page 299 The target pressure value is as in the table and the initial setting value is 30.0 kgf/cm2,g. In case that the setting value of the target pressure shall be adjusted, it can be adjusted in the main PBA by referring to the installation manual. ▪ ODU option setting Seg1 Seg2 Seg3 Seg4 Pressure(kgf/cm2,g) 30 (default) Main 27~32 Samsung Electronics...
Page 300 ■ Maser unit rotation 1. After defrost / Oil recovery / All unit off (Master unit operates more than 60 minutes) 2. A unit is stopped over 40 minutes Master Sub1 Sub2 Sub2 Master Sub1 Sub1 Sub2 Master Samsung Electronics...
Page 301 Master unit Sub 1 unit Compressor Comp 1(66cc) Comp 2(66cc) Comp 1(52cc) Comp 2(52cc) Module Capacity[kW] 80*22HP/(22HP+16HP) = 46.32 80*16HP/(22HP+16HP) = 33.68 Comp Capacity [kW] 23.16 23.16 16.84 16.84 Frequency 67hz 67hz + α 62hz 62hz + α Samsung Electronics...
Page 302 Fan RPM on the assumption that the evaporating power is not enough. The target pressure is as in the table. The target pressure is changed according to the value optimized to the outdoor temperature. Cooling Cooling Samsung Electronics...
Page 303 Controlled by capacity DSH normal DSH protection control Module installation Low pressure equal between ODUs Low pressure equalization control Target SH control Target SH control Module install : 5 K Single install : 2 K EEV control repeat Samsung Electronics...
Page 304 (High pressure Saturated temp. – Liquid tube 2. Tdis = 90℃ temp.) ▪ (EVI out temp. – EVI in temp.) control : 2 K EVI On mode Remark ※ If comp discharge temp. is abnormally high, open EVI EEV to decrease the discharge temperature. Samsung Electronics...
Page 305 - HR Only ▪ Control specifications in detail If using the Heat Recovery device, the valve is opened (ON) after cooling-only mode has been on for more than 20 minutes or when cooling oil return mode is active. Samsung Electronics...
Page 306 - In main cooling mode, the valve is opened to send the high pressure to heating indoor units and enable heating. - HR Only ▪ Control specifications in detail In main cooling mode, the valve is On (opened) Samsung Electronics...
Page 307 - Condition(s) required to turn Off the CCH: [ A or B ] A. The highest temperature of the compressor has remained above 55℃ for 30 min. B. The CCH has been On for longer than 6 hours. Samsung Electronics...
Page 308 DSH > 10 K Cold Operation ■ Prevention of liquid compression Normal Operation - DSH = Compressor discharge temp. - High pressure saturation temp. - Definition of compressor discharge temperature from DSH : Min { Max(Tdis_comp1, Ttop_comp1), Max(Tdis_comp2, Ttop_comp2) } Samsung Electronics...
Page 309 In Cold Operation mode, the compressor frequency increase speed is restricted to 1Hz per 60 sec. Condition(s) required to close Cold Operation mode: [ A or B ] A. A maximum of 60 min has elapsed B. DSH > 15 K Samsung Electronics...
Page 310 - In Cold Operation mode, the compressor frequency increase speed is restricted to 1Hz per 30 sec. - Condition(s) required to close Cold Operation mode : [ A or B ] A. A maximum of 30 min has elapsed B. DSH > 15 K Samsung Electronics...
Page 311 - In Cold Operation mode, the compressor frequency increase speed is restricted to 1Hz per 30 sec. - Condition(s) required to close Cold Operation mode: [ A or B ] A. A maximum of 30 min has elapsed B. DSH > 15 K Samsung Electronics...
Page 312 (COMP2) Low (PS_L) (COMP1) Outdoor Heat Exchanger (OHX) Thermistor - Liquid pipe (T_L) FAN OFF Solenoid Valve - Solenoid Valve - (V_EVI2) Ball Valve - EVI 1(V_EVI1) Accumulator oil Return (V_AR) Liquid pipe (BV_L) Outdoor Heat Exchanger (OHX) Samsung Electronics...
Page 313 Piping Diagram 7-3 Functions (cont.) 7-3-2 Control (cont.) 7-3-2-3 Normal operation modes (cont.) Heat Recovery ↑ ↑ ↑ ↑ ↑ ↑ ↑ ↑ ↑ ↑ Samsung Electronics...
Page 314 (COMP2) Low (PS_L) (COMP1) Outdoor Heat Exchanger (OHX) Thermistor - Liquid pipe (T_L) Solenoid FAN OFF Valve - Solenoid Valve - (V_EVI2) Ball Valve - EVI 1(V_EVI1) Accumulator oil Return (V_AR) Liquid pipe (BV_L) Outdoor Heat Exchanger (OHX) Samsung Electronics...
Page 315 Piping Diagram 7-3 Functions (cont.) 7-3-2 Control (cont.) 7-3-2-3 Normal operation modes (cont.) Heat Recovery ↑ ↑ ↑ ↑ ↑ ↑ ↑ ↑ ↑ ↑ ↑ ↑ ↑ Samsung Electronics...
Page 316 Operation On (Open) Solenoid Valve – Hot Gas Bypass 2 (HR Only) V_HG2 Operation Off (Close) Solenoid Valve – Main EEV (HR Only) V_ME Operation Off (Close) Solenoid Valve – Main Cooling (HR Only) V_MC Operation On (Open) Samsung Electronics...
Page 317 Piping Diagram 7-3 Functions (cont.) 7-3-2 Control (cont.) 7-3-2-3 Normal operation modes (cont.) ▪ Refrigerant Flow ↑ ↑ ↑ ↑ ↑ ↑ ↑ ↑ ↑ ↑ ↑ ↑ Samsung Electronics...
Page 318 Operation On (Open) Solenoid Valve – Hot Gas Bypass 2 (HR Only) V_HG2 Operation Off (Close) Solenoid Valve – Main EEV (HR Only) V_ME Operation Off (Close) Solenoid Valve – Main Cooling (HR Only) V_MC Operation Off (Close) Samsung Electronics...
Page 319 Piping Diagram 7-3 Functions (cont.) 7-3-2 Control (cont.) 7-3-2-3 Normal operation modes (cont.) ▪ Refrigerant Flow ↑ ↑ ↑ ↑ ↑ ↑ ↑ ↑ ↑ ↑ ↑ ↑ ↑ ↑ ↑ ↑ ↑ Samsung Electronics...
Page 320 Starts with 0 step and controls cooling fans Active unit 800 step Indoor EEV Inactive unit 400 step OFF (if using the HR device, model-based control is performed on cooling indoor Indoor Fan units while in main heating mode) Time Maximum of 15 min Samsung Electronics...
Page 321 Piping Diagram 7-3 Functions (cont.) 7-3-2 Control (cont.) 7-3-2-4 Special operation modes (cont.) ▪ Refrigerant Flow Heat pump Samsung Electronics...
Page 322 Piping Diagram 7-3 Functions (cont.) 7-3-2 Control (cont.) 7-3-2-4 Special operation modes (cont.) ▪ Refrigerant Flow Heat Recovery ↑ ↑ ↑ ↑ Samsung Electronics...
Page 323 General control Indoor unit Inactive unit General control on inactive units Active unit General control Cooling indoor unit Inactive unit Set fan speed Indoor Heating Active unit Mid fan speed Indoor unit Inactive unit Time Maximum of 12 min Samsung Electronics...
Page 324 Piping Diagram 7-3 Functions (cont.) 7-3-2 Control (cont.) 7-3-2-4 Special operation modes (cont.) ▪ Refrigerant Flow Heat pump ↑ ↑ ↑ ↑ ↑ ↑ ↑ ↔ ↑ ↑ ↑ ↑ ↑ ↑ ↑ ↑ ↑ ↑ Samsung Electronics...
Page 325 Higher step of [400(C)/300(H) or Current step] Indoor EEV Stopped indoor units 400(C)/300(H) Indoor Fan Normal control Time 3min(C) / 6min(H) *Additional capacity = Compensation capacity of stop units * EEV step can be varied by cycle condition. Samsung Electronics...
Page 326 (COMP2) Low (PS_L) (COMP1) Outdoor Heat Exchanger (OHX) Thermistor - Liquid pipe (T_L) FAN OFF Solenoid Valve - Solenoid Valve - (V_EVI2) Ball Valve - EVI 1(V_EVI1) Accumulator oil Return (V_AR) Liquid pipe (BV_L) Outdoor Heat Exchanger (OHX) Samsung Electronics...
Page 327 Piping Diagram 7-3 Functions (cont.) 7-3-2 Control (cont.) 7-3-2-4 Special operation modes (cont.) ▪ Refrigerant Flow Heat Recovery - Cooling ↑ ↑ ↑ ↑ ↑ ↑ ↑ ↑ ↑ ↑ Samsung Electronics...
Page 328 Piping Diagram 7-3 Functions (cont.) 7-3-2 Control (cont.) 7-3-2-4 Special operation modes (cont.) ▪ Refrigerant Flow Heat Recovery - Heating ↑ ↑ ↑ ↑ ↑ ↑ ↑ ↑ ↑ ↑ ↑ ↑ ↑ Samsung Electronics...
Page 329 & (T.HP + 3) Hz Hold area Hz Hold release & (T.HP + 1.5) Normal op eration ※ High Pressure < 30 k gf /cm ,g : Compressor Trip release ※ T.HP = Targ et Hig h Pressure Samsung Electronics...
Page 330 0℃ < Ta Hz Down area Ta -10℃, HP Down release -10℃ < Ta 0℃, HP Down area 0℃ < Ta Compressor trip (E410) after staying in this phase for a max of 3 min ※ Ta = Ambient Temperature Samsung Electronics...
Page 331 Heating : Target S H 4 K or 1.5 kgf/cm △P Cooling : Minimum Hz increases if in this state for 3 min Compressor trip (E428) occurs if in this state for 10 min ※△ P =Hig h Pressure –Low Pressure Samsung Electronics...
Page 332 105 / 110 Hz D own release Hz Hold area 100 / 105 Hz Hold release EVIEEV forced control 98 / - Normal operation EVIEEV control release 93 / - ※ Discharge Temperature < 80℃ : Compressor Trip release Samsung Electronics...
Page 333 Heating : Target S H 4 K or 1.5 kgf/cm △P Cooling : Minimum Hz increases if in this state for 3 min Compressor trip (E428) occurs if in this state for 10 min ※△ P =Hig h Pressure –Low Pressure Samsung Electronics...
Page 334 105 / 110 Hz D own release Hz Hold area 100 / 105 Hz Hold release EVIEEV forced control 98 / - Normal operation EVIEEV control release 93 / - ※ Discharge Temperature < 80℃ : Compressor Trip release Samsung Electronics...
Page 335 Second cooling release : SH release occurs 2 min after the first release if the DSH is above 10 K Normal Operation - If in this state for 30 sec, ∙ Cooling : Indoor unit EEV Target SH 6 K ∙ Heating : Main EEV Target SH 6 K Samsung Electronics...
Page 336 If an error is sent from the INVc ontroller HP Down area Compressor trip (E400 or E500) occurs if in this state for 10 min HP Down release Hz Down area Hz Down release Hz Hold area Hz Hold release Normal operation Samsung Electronics...
Page 337 1st step Hz hold : The current frequency is fixed if the outdoor unit current at present is higher than 95% of the maximum current. (It is possible to lower the frequency if necessary) 2nd step Hz down : The frequency is forcibly lowered by 5Hz at specified intervals if the outdoor unit current at present is higher than the maximum current. Samsung Electronics...
Page 338 3RD step Comp trip: Compressors stop and an error is triggered (E462). OCT(A) Compressor Trip (E464, 465, 364, 365) If an error is sent from the INV controller HP Down area HP Down HP Down release Ampere Hz Hold area Hz Down Hz Hold release Ampere Normal operation Samsung Electronics...
Page 339 Hz Hold area if in this state for 40 sec Hz Down area if in this state for 40 sec HP Down area if in this state for 40 sec Compressor Stop & Indoor unit air flow = low if in this state for 40 sec Samsung Electronics...
Page 340 1 K < |Ts - Ti| ≤ 3 K 3 K < |Ts - Ti| High 2) The fan speed is automatically adjusted as shown below, irrespective of inputs on the remote control. Relay fan Other fans Low Low Samsung Electronics...
Page 341 Thermo off : Tr ≥ Ts - A + 1 K - Install Option 2 value Symbol Function Offset the set heating temp Offset the set cooling temp Change the mode (heat → cool) Change the mode (cool → heat) T time Samsung Electronics...
Page 342 - In case of a normal indoor unit, heating offset value of 2 K is applied and this can be adjusted with the option code. Offset value shall not be applied in case that users set up the room temperature using the cable remote control where the temperature sensor is built in Samsung Electronics...
Page 343 ∙ In case of using external room temp. sensor ( Installation option SEG4 = 1 ) : △ T = 0 ▪ Notes - Order of priority : Use of external temp sensor > Install offset > Basic option. Samsung Electronics...
Page 344 External room sensor Minimizing fan operation Disuse Disuse Disuse Disuse Use-Heating Use-Heating Disuse Use-Cooling Use-Cooling Disuse Use-Both Use-Both ▪ Notes If you set “02” SEG4 as external room s/s use, Heating compensation temperature will be set as 0℃ . Samsung Electronics...
Page 345 - Quiet mode : it can reduce the noise from fan motor during cooling or heating mode. - Fan feedback indoor unit(ex. RAC, 1way, 2way, 4way): Current Fan speed -1 step (1step = about 20 rpm) - Fan non feedback indoor unit(ex. duct) : H → M, M → L, L → L Samsung Electronics...
Page 346 Operation Off Note 1* * Note 1 : Control of inactive heating units (lower noise/general) Outdoor unit for first priority EDM high-head EDM general outdoor unit 0℃ or lower Above 0℃ Cooling Condensed liquid Hot gas Heating Condensed liquid Samsung Electronics...
Page 347 The drain pump activates if the Float S/W operates in heating mode Cooling or Auto cooling or Dehumidifying mode Outdoor Comp ON Outdoor Comp OFF Detected by the Float S/W Not detected by the Float S/W Drain Pump ON Drain Pump OFF Samsung Electronics...
Page 348 If the temp drops High or lower 38℃ 36℃ Mid or lower High or lower 34℃ 32℃ Mid or lower 30℃ Low Low 28℃ Fan off 26℃ Low Low 20℃ If the temp rises Airflow in heating mode Samsung Electronics...
Page 349: Others
- Error E560 will be triggered if all the compressors on outdoor units are disabled. (The SVC V/V must be closed for outdoor units if modules are installed and all the compressors on a single outdoor unit are disabled.) Samsung Electronics...
Page 350 - Error E560 will be triggered if all the compressors on outdoor units are disabled. (The SVC V/V must be closed for outdoor units if modules are installed and all the compressors on a single outdoor unit are disabled.) Samsung Electronics...
Page 351 - See “Compressor capacity control" for details on compressor operation specifications. Input unit Seg1 Seg2 Seg3 Seg4 Pressure(kgf/cm2,g) 30 (default) Main ▪ Notes - When low pressure value is set, discharged air temperature of the indoor unit will decrease and power of outdoor will increase. Samsung Electronics...
Page 352 Standard (default) Main Shorten the interval by 1/2 ▪ Notes Change the option if an oil leak occurs. Performance may degrade if the option is not changed. Make sure to restore the original value after refilling the oil. Samsung Electronics...
Page 353 Option is not configured Amount of frost formed Cond out, Suction Time ▪ Notes - If this option is configured and the units are in a very humid location, heating performance may degrade due to frequent defrost operation. Samsung Electronics...
Page 354 ▪ Notes - Noise level may increase as the maximum RPM rises. - Do not configure this option if using units in a location that is outside the recommended operation temperature (48℃ ) or permitted external static pressure Samsung Electronics...
Page 355 - If the silent mode option is configured, the noise level decreases. However, performance may degrade. - Noise level according to the specified silent mode LEVEL. Silent mode Noise level (dB) Disabled SPEC LEVEL 1 SPEC – 1/3*(SPEC-49) LEVEL 2 SPEC – 2/3*(SPEC-49) LEVEL 3 Samsung Electronics...
Page 356 Main Level 2 of Type 1 (When outdoor unit is located over 80m above the indoor unit) Type 2 (When indoor unit is over 30m above the outdoor unit) ▪ Notes - Incorrect settings may damage the system. Samsung Electronics...
Page 357 100~170m) Level 2 (When equivalent length of farthest indoor unit from the outdoor unit is over 170m) ▪ Notes - Incorrect settings may seriously damage the system. - Setting is unnecessary if high-head condition is set. Samsung Electronics...
Page 358 Set temperature + 3 K Set temperature Target evaporation temperature (when the outdoor temperature is low) Target evaporation temperature (when the outdoor temperature is high) ECO for heating Set temperature Set temperature - 2 K Current indoor temperature Target high pressure Samsung Electronics...
Page 359 Target low pressure (6.5kgf/cm2,g if power mode is enabled) Input unit Seg1 Seg2 Seg3 Seg4 Energy control Operation Disabled (default) Main Energy saving Power ▪ Notes - Operating in energy saving mode, capacity might decrease compared to normal operation mode. Samsung Electronics...
Page 360 (see "Rotation defrost control" for details). Input unit Seg1 Seg2 Seg3 Seg4 Rotation defrost Disabled (default) Main Enabled ▪ Notes - Incorrect settings may seriously damage the system. - Setting is unnecessary if high-head condition is set. Samsung Electronics...
Page 361 - If the Channel address is set, the same channel address is assigned to the sub outdoor units, indoor units, and MCUs connected to a main outdoor unit. ▪ Control specifications in detail Input unit Seg1 Seg2 Seg3 Seg4 Channel address Automatic setting (default) Main Manual setting for channel 0~15 0 - 15 Samsung Electronics...
Page 362 Enabled (default) Main Disabled ▪ Notes - During snow accumulation, the fan may spin even when the unit is not in operation. - Outdoor fans may be turned on by this feature during servicing. Careful attention is required. Samsung Electronics...
Page 363 - The maximum cooling capacity is not restricted if the outdoor temperature is low and it is difficult to secure low and high pressures. Input unit Seg1 Seg2 Seg3 Seg4 Max capacity restriction Enabled (default) Main Disabled Samsung Electronics...
Page 364: Key Options
SEG 1 SEG 2 SEG 3 SEG 4 After communication setting MCU, Indoor unit address I/U: “A” I/U: “0” Reception address (usual occasion) MCU: “C” MCU: “1” (in decimal number) ※ I/U : Indoor unit Table A. 7-segment display Samsung Electronics...
Page 365: List Of Field Setting Items
To increase cooling or heating speed. Restrict excessive capacity increase when operating indoor units with Max. capacity restriction small capacity. Gas leak Pump down If the gas leak occurred it should be entered in the pump down operation. Samsung Electronics...
Page 366: Outdoor Unit Option Switch Settings
OFF Outdoor unit address: No 4 Sub unit 3 Setting can be done from Main unit only. Ex) When 3 MCUs are installed → SW57: 3, SW57 Setting total number of connected MCU When 10 MCUs are installed → SW57: Samsung Electronics...
Page 367 (freezing point of anti-freeze must be below -8 °C) Anti-freeze circulation OFF ON Minimum temperature of entering water -10 °C (freezing point of anti-freeze must be below -15 °C) ※ Maintain appropriate concentration level of anti-freeze according to SW58 switch setting. Samsung Electronics...
Page 368 - In humid condition, it’s easy to be dewing on the surface of indoor unit’s panel because of cold draft from the indoor unit. So system will limit compressor maximum operable frequency to prevent dewing problem. This doesn’t mean shortage of cooling capacity but better reliability. Samsung Electronics...
Page 369 : To set the quantity of connected MCU. (Main outdoor unit only) - If the quantity of MCU which is communicating with outdoor unit is different error will be displayed.(E214) Setting Ex) MCU 2ea Ex) MCU 12ea MCU Quantity (A=10, B=11, ~, F=15) Samsung Electronics...
Page 370 K4 x n times Ones digit (0 ~ 9) * K4: Press for 2 seconds - automatic detection of MCUs' quantity Step9 K2: long Save Restart * Press K1 for 2 seconds to exit without save regardless of setting step. Samsung Electronics...
Page 371 - Press and hold the K2 button - All settings are saved - After a screen flickers between 3 seconds, and tracking normally ▪ Cancel settings - Press and hold the K1 button to exit without saving the settings Samsung Electronics...
Page 372: How To Check The View Mode Using A Tact Switch
- K4 switch is pressed for a long time, all options settings return to the factory settings, but the settings are saved is not. K2 switch is pressed for a long time, 7-Segment enters the tracking mode and the settings will be saved. Samsung Electronics...
Page 373 -- If you press and hold the K4 button, setting will be restored to factory default but it doesn't mean that restored setting is saved. Press and hold the K2 button. When the segments shows that tracking mode is in progress, setting will be saved. Samsung Electronics...
Page 374 -- If you press and hold the K4 button, setting will be restored to factory default but it doesn't mean that restored setting is saved Press and hold the K2 button When the segments shows that tracking mode is in progress, setting will be saved. Samsung Electronics...
Page 375 When equivalent length of farthest is set) LEVEL 2 indoor unit from the outdoor unit is over 170m Disabled (Factory default) Energy saving mode triggers when Energy saving setting Main the room temperature reaches desired Enabled temperature while operating in heating mode. Samsung Electronics...
Page 376 When outdoor unit is over 80 m type 1 (Indoor unit is lower than outdoor above the indoor unit unit) Height difference type 2 When indoor unit is over 30 m (Outdoor unit is lower than indoor unit) above the outdoor unit Samsung Electronics...
Page 377 Manual setting for channel 0~15 Disable This function is not applicable for Disable Main this model Disable Disable (Factory default) 7-10 V Circulation water Individual When variable flow control valve flow control 5-10 V is applied 3-10 V Samsung Electronics...
Page 378 Main product is being installed in operation humid area such as near river or lake Factory default Fan speed correction for Individual Increase the outdoor unit's fan Increase fan speed outdoor unit speed to maximum value. Samsung Electronics...
Page 379 During snow accmulation , the accumulation Main fan may spin even when the prevention Disabled unit is not in operation. control Unused option Main Unused option Unused option by this model. Unused option Main Unused option Unused option by this model. Samsung Electronics...
Page 380 Enabled (Factory default) Restrict excessive capacity Max capacity increase when operating Main restriction indoor units with small Disabled capacity. Disabled (Factory default) If the gas leak occurred it Gasleak Main should be entered in the Pumpdown Enabled pumpdown operation. Samsung Electronics...
Page 381 Key Options 8-4 How to check the view mode using a tact switch (cont.) ■ AM080~260SXVSSS Samsung Electronics...
Page 382 ※ When you install the product, optional function for outdoor unit must be set in compliance with installation conditions. ※ SW version, View mode 2 and address of the indoor unit, press and hold for three seconds to enter the K4. (Information will be displayed in following order. Main-Hub-INV1-INV2 FAN1-FAN2-EEP-Automatically assigned address - manually assigned address.) Samsung Electronics...
Page 383 (EX : "MANU" → "A004" → "MANU" → "A005" → "MANU" → "A006") Display Page 1 Page 2 SEG 1 SEG 2 SEC 3,4 MANU Address (No. 1 → 01) Indoor unit : "A" Indoor unit : "0" Samsung Electronics...
Page 384 ※ When there were error, 'Dicharge mode of DC link voltage' may not have been effective Especialy if error E464 and E364 have been occured, power element might be damaged by fire and therefore, do not use the 'Discharge mode of DC link voltage'. Display on segment KEY operation (Number of press) 1 time Intialize (Reset) setting Same as initial state Samsung Electronics...
Page 385 8 times AUTO Indoor unit: “A” Indoor unit: “0” Address units MCU: “C” MCU: “1” (ex: 07) SEG4 SEG5 SEG6 9 times Manually assigned address of the units MANU Address Indoor unit: “A” Indoor unit: “0” (ex: 15) Samsung Electronics...
Page 386: Applications
Function of the option Disabled (Factory default) LEVEL 1 / Auto LEVEL 2 / Auto Silent mode for Main night-time LEVEL 3 / Auto LEVEL 1 / External contact LEVEL 2 / External contact LEVEL 3 / External contact Samsung Electronics...
Page 387: Application Of External Contact Interface Module
2. Connect the 2-pin wiring harness to the interface module at CN83 (Figure 2) and to the indoor unit at CN83. 3. Connect the 4-pin wiring harness to the interface module at CN81(Figure 2) and to the indoor unit at CN81. 4. Restore power to the indoor unit. Samsung Electronics...
Page 388 Numbers correspond to inputs and outputs as described in Table 1. Note: Do not directly connect module to external contact. Use correctly sized external relays. Figure 3. External contact interface module wiring diagram Samsung Electronics...
Page 389: Application Of Auxiliary Heat Module
Digit 18 "3" No delay Temperature offset: "4" +10 minute delay 2.7°F (1.5°C)+ "5" +20 minute delay (a)Refer to “Configuration” in the indoor unit installation manual for more details. (b) If further temperature offsets are desired, contact technical support. Samsung Electronics...
Page 390 Do not use contacts 1 and 2. Note: Do not directly connect module to external contact. Use correctly sized external relays. Figure 4. External contact interface module: wiring diagram for auxiliary heat Samsung Electronics...
Page 391 However, if the external contact interface LEVEL 3 / Auto night-time module (MIM-B14) is used, entering the LEVEL 1 / External contact silent mode is available LEVEL 2 / External contact with contact signal. LEVEL 3 / External contact Samsung Electronics...
Page 392: Application Of Mode Select Switch
HP (common in the SAC market) - Operation of both heating and cooling modes is not possible. Single cycle control is only possible → ※ HR (Heat Recovery) : Operation of both cooling and heating modes is possible (relatively costly) Samsung Electronics...
Page 393 - Use the upper-level controller (software) : Set dedicated mode → Available operation modes are limited Information on the cooling-only outdoor unit is shared with all the other units → Automatic detection of cooling-only outdoor unit Available operation modes are limited Samsung Electronics...
Page 394 - Setting : Connect just 1 indoor unit and stop the operation. Then press and hold the Mode button for 5 seconds to set the indoor unit as 'Mode master indoor unit' - Cancelling : Connect just 1 indoor unit and stop the operation. Then press and hold the Fan speed button for 5 seconds to cancel the 'Mode master indoor unit' setting. Samsung Electronics...
Page 395 3-wire male Connector. > [WARNING] Hazardous Voltage! Disconnect all electric power, including remote disconnects before servicing. Follow proper lockout/tagout procedures to ensure the power can-not be inadvertently energized. Failure to disconnect power before servicing could result in death or serious injury. Samsung Electronics...
Page 396 • If set to Cool, the outdoor unit operates in cooling mode only. • If set to Heat, the outdoor unit operates in heating mode only. • If set to Auto, the local wired or wireless remote control determines the operating mode (heat/cool) of the outdoor unit. Samsung Electronics...
Page 397 • If set to Cool, the outdoor unit operates in cooling mode only. • If set to Heat, the outdoor unit operates in heating mode only. • If set to Auto, the local wired or wireless remote control determines the operating mode (heat/cool) of the outdoor unit. Samsung Electronics...
Page 398: Test Operation
- Outdoor unit’s 4-way valve operation related to outdoor air is checked - Outdoor unit’s EVI EEV operation is checked - Outdoor unit’s Main EEV operation is checked ( ※ Checked only if “heating” mode is on during Auto Trial Operation) Samsung Electronics...
Page 399 Some items are not inspected, depending on the installation environment and operation condition. These items are indicated as “Unidentified”. e.g., If the system is installed with modules and none of the outdoor units operate due to insufficient indoor load, items related to the outdoor units will not be inspected. Samsung Electronics...
Page 400 - Check the active outdoor and indoor units for the presence of noise. - Check the outdoor and indoor units for drainage. - To check more specific operation status, use the S-NET. ※ Use the User Manual to explain how to use the air conditioning system to the user. Samsung Electronics...
Page 401: Auto Trial Operation Flow Chart
The same applies when performing Auto Trial Operation after a compressor is operated (generally, leave idle for at least one hour). Starting the operation when the pressure sensors and thermistors are not stable can degrade the inspection accuracy. Samsung Electronics...
Page 402: How To Resolve Ng Items
- Thermistors on indoor units where outdoor air is applied are excluded from inspection. - To replace a component or inspect the PBA, be sure to cut off the power supply first. If inspection must be performed with the power supply on, exercise extra care to prevent electric shock. Samsung Electronics...
Page 403 If you start inspection immediately after operation, the temperature is not stable and this can degrade the inspection accuracy. - To replace a component or inspect the PBA, be sure to cut off the power supply first.A If inspection must be performed with the power supply on, exercise extra care to prevent electric shock. Samsung Electronics...
Page 404 Use the blower to regulate the air temperature to a similar level. - To replace a component or inspect the PBA, be sure to cut off the power supply first. If inspection must be performed with the power supply on, exercise extra care to prevent electric shock. Samsung Electronics...
Page 405 Perform Auto Trial Operation again. ■ Precautions - To replace a component or inspect the PBA, be sure to cut off the power supply first. If inspection must be performed with the power supply on, exercise extra care to prevent electric shock. Samsung Electronics...
Page 406 Auto Trial Operation again. - To replace a component or inspect the PBA, be sure to cut off the power supply first. If inspection must be performed with the power supply on, exercise extra care to prevent electric shock. Samsung Electronics...
Page 407 Perform Auto Trial Operation again. ■ Precautions - To replace a component or inspect the PBA, be sure to cut off the power supply first. If inspection must be performed with the power supply on, exercise extra care to prevent electric shock. Samsung Electronics...
Page 408 Perform Auto Trial Operation again. ■ Precautions - To replace a component or inspect the PBA, be sure to cut off the power supply first. If inspection must be performed with the power supply on, exercise extra care to prevent electric shock. Samsung Electronics...
Page 409 Perform Auto Trial Operation again. ■ Precautions - To replace a component or inspect the PBA, be sure to cut off the power supply first. If inspection must be performed with the power supply on, exercise extra care to prevent electric shock. Samsung Electronics...
Page 410 Perform Auto Trial Operation again. ■ Precautions - To replace a component or inspect the PBA, be sure to cut off the power supply first. If inspection must be performed with the power supply on, exercise extra care to prevent electric shock. Samsung Electronics...
Page 411 Perform Auto Trial Operation again. ■ Precautions - To replace a component or inspect the PBA, be sure to cut off the power supply first. If inspection must be performed with the power supply on, exercise extra care to prevent electric shock. Samsung Electronics...
Page 412: Amount Of Refrigerant Automatically Checking
● Deficiency of Over-cooling : After the 10% addition of calculated total refrigerant amount, retry Checking the amount of refrigerant. ● Undetermined : Checking the amount of refrigerant confirms that is performed in warranty temperatures area. Ensure that there is no other problems in the system by Test Operation. Samsung Electronics...
Page 413: Nomenclature
300 : 30HP (3) Version (Model Year) (7) Rating Voltage 2013 1ø, 220~240V, 50Hz 2014 3ø, 380~415V, 50Hz 2015 208~230V, 60Hz, 3ø 2016 460V, 60Hz, 3ø (4) Product type (8) Mode (Function) Outdoor Unit Heat Pump Indoor Unit Heat Recovery Samsung Electronics...
Page 414 China china.samsungportal.com © Samsung Electronics Co., Ltd. December 2016. This Service Manual is a property of Samsung Electronics Co., Ltd. Printed in Korea. Any unauthorized use of Manual can be punished under applicable International and/or domestic law. Code No. AC-00166E_2...

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