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AIR CONDITIONER
AR18NSFPEWQNEU
AR24NSFPEWQNEU
AR18NSFPEWQXEU
AR24NSFPEWQXEU
AR18NSFHBWKXEU
AR24NSFHBWKXEU
AR18NSFHBWKNEU
AR24NSFHBWKNEU
SPLIT-TYPE AIR CONDITIONER
INDOOR UNIT
Model Code:
AR18NSFPEWQNEU
AR24NSFPEWQNEU
AR18NSFHBWKNEU
AR24NSFHBWKNEU
Basic Code:
AR18MSFPEWQNEU
AR18MSFHBWKNEU
CONTENTS
1.Precautions
2. Product
3. Alignment and Adjustments
4. Disassembly and Reassembly
5. Assy Control
6. Electrical Parts List
7. Wiring Diagram
8. Schematic Diagram
9. Operating Instructions
10. Troubleshooting
11. Block Diagram
12. Reference Sheet
OUTDOOR UNIT
AR18NSFPEWQXEU
AR24NSFPEWQXEU
AR18NSFHBWKXEU
AR24NSFHBWKXEU
AR18MSFPEWQXEU
AR18MSFHBWKXEU
ations
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Related Manuals for Samsung AR18NSFPEWQNEU
Summary of Contents for Samsung AR18NSFPEWQNEU
- Page 1 SPLIT-TYPE AIR CONDITIONER INDOOR UNIT OUTDOOR UNIT Model Code: AR18NSFPEWQNEU AR18NSFPEWQXEU AR24NSFPEWQNEU AR24NSFPEWQXEU AR18NSFHBWKNEU AR18NSFHBWKXEU AR24NSFHBWKNEU AR24NSFHBWKXEU Basic Code: AR18MSFPEWQNEU AR18MSFPEWQXEU AR18MSFHBWKNEU AR18MSFHBWKXEU AIR CONDITIONER CONTENTS 1.Precautions 2. Product ations 3. Alignment and Adjustments 4. Disassembly and Reassembly 5. Assy Control...
- Page 2 6. Electrical Parts List ························································································ 6-1 6-1 INDOOR MAIN PCB ························································································ ·················· ·················· ··············· 6-2 OUTDOOR MAIN PBA······································································································································ 7. Wiring Diagram······························································································ 7-1 7-1 Indoor Unit············································································································· · · · · ············································ 7-2 Outdoor Unit ··········································································································· · · · · ········································· Samsung Electronics...
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Page 3: Table Of Contents
12-3 Pressure & Capacity mark································································································ · · · ··························· 12-3 12-4 Q & A for Non-trouble··································································································· · · · ······························· 12-4 12-5 Cleaning /Filter Change································································································· · · · ····························· 12-7 12-6 Installation············································································································ · · · ············································ 12-9 12-7 Installation Diagram of Indoor Unit and Outdoor Unit···································································· 12-10 Samsung Electronics... - Page 5 Never store or load the air conditioner upside down or sideways to prevent the damage to the compressor. Young children or in rm persons should be always supervised when they use the air conditioner. Max current is measured according to IEC standard for safety. Current is measured according to ISO standard for energy e ciency. Samsung Electronics...
- Page 6 On those hot sweltering summer days and long restless nights, there is no better escape from the heat than the cool comforts of home. Your new air conditioner brings an end to exhausting hot summer days and lets you rest. Beat the heat with your own air conditioner this summer. Your new air conditioner not only provides maximum cooling power in the summer, but also can be an running cost.
- Page 7 1450 Proterction Device(OLP) None None None None Cooling -10 ~ 46℃ -10 ~ 46℃ -10 ~ 46℃ -10 ~ 46℃ Operation condition range Heating -15 ~ 24℃ -15 ~ 24℃ -15 ~ 24℃ -15 ~ 24℃ Samsung Electronics 2- 2...
- Page 8 41.5 (kg) Indoor Unit 1065*298*230 1065*298*230 1065*298*243 1065*298*243 (W*H*D)/(mm) Outer Dimension Outdoor Unit 880*638*310 880*638*310 880*638*310 880*638*310 (W*H*D)/(mm) Indoor Unit (dB) Noise Outdoor Unit (dB) Air Purifying System Filter 3-CARE FILTER 3-CARE FILTER 3-CARE FILTER 3-CARE FILTER Samsung Elctronic s...
- Page 9 DB90-02738A DB93-15882Q 4301-000121 DB68-07547A(AR**NSFP**) MANUAL USERS DB68-07571A(AR**NSFH**) DB68-07548A(AR**NSFP**) MANUAL INSTALL DB68-07570A(AR**NSFH**) DB67-01533A...
- Page 13 1. Tack out the batteries of remote control. 2. Press the temperature button simultaneously and insert the battery again. 3. Make sure the remote control display shown as Step 2 Enter the Options Setup mode and select your options asscording to the following procedure. Samsung Electronics...
- Page 14 ’ ’ Ding’ ’ or ’ ’ Diriring’ ’ is heard and the OPERATION ICON( ) lamp of the display me time, then the input of option is completed. (If the deriving sound isn’t heard, try again pressing the ON/OFF button.) Samsung Electronics...
- Page 15 Every time you push the button, the display panel reads . . . repeatedly. Push the Mode button to set the display panerl to 1. Every time you push the button, the display panel reads . . . repeatedly. Samsung Electronics...
- Page 16 2. If the unit is not working properly or all lamps are continuously □ Option Items Model SEG 1~24 SEG 25~48 SEG 49~72 AR18NSFPEWQ/EU 014005-15625C-27323C-372784 020000-100000-200000-300000 034A4C-113F4A-200000-300001 AR24NSFPEWQ/EU 014005-16629D-27444D-371784 020000-100000-200000-300000 035157-10565C-200000-300001 AR18NSFHBWK/EU 01C005-15625C-27323C-3727A4 020000-100000-200001-300000 034A4C-113F4A-200000-300001 AR24NSFHBWK/EU 01C005-16629D-27444D-3715A4 020000-100000-200001-300000 035157-10565C-200000-300001 Samsung Electronics...
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Page 18: Indoor Unit
3) Detach COVER-TERMINAL from the PANEL- FRONT.(use + Screw Driver) 4) Loosen connector wire(white) and detach the temperature sensor wire. 5) To detach the FRONT-PANEL the main frame, unfasten 2 screw at the bottom.(use + Screw Driver) NEL,lifting up the bottom. Samsung Electronics... - Page 19 TRAY-DRAIN towards you. CONTROL IN 1) Unfasten the earth screw.(use + Screw Driver) 2) Detach COVER-CONTROL from the CASECONTROL. 3) Detach the temperature sensor. 4) Loosen MOTOR Wire. 5) Take o the CASE-CONTROL from the main frame. Samsung Electronics...
- Page 20 Operating Instructions and Installation Parts Procedure Remark 1) Unfasten the screw. 2) Cut the cable tie. 3) Loosen the terminal block wires. Caution: The terminal is locking type. So, when you separate terminals, pull pressing the button. Button Samsung Electronics...
- Page 21 7) Loosen the Thermistor wire connector Caution: When you separate the connector, pull pressing the locking button. 8) Loosen the Communication Wire connector and Terminal-Block Fuse connector Caution: When you separate the connector, pull pressing the locking button. Samsung Electronics...
- Page 22 1) Unfasten the screw at the right side. (use + Screw Driver) 2) Unfasten the screw at the left side. (use + Screw Driver) 3) Detach the HOLDER PIPE. 4) Take o the EVAPORATOR from the main frame. Samsung Electronics...
- Page 23 2) unfasten the 3 points screws in the CASE- CONTROL, and then detach the CASE. (use + Screw Driver) 3) unfasten the screw a little.(use + Screw Driver) 4) Lift up the evaporator slightly and pull the CROSS-FAN to the left side. Samsung Electronics...
- Page 24 4- 10 e l E r t c s c i...
- Page 25 Samsung Electronics 4-11...
- Page 26 4-12 Samsung Electronics...
- Page 27 Samsung Electronics 4-13...
- Page 28 Parts Procedure Remark Compressor 1) Loosen the fixing nut and detach the Compressor Lead Wire. (Use Monkey Spanner.) 2) Loosen the bolts at the bottom of Compressor like the picture on the right side. (Use Monkey Spanner.) 4-14 Samsung Electronics...
- Page 29 4-3. EEPROM DOWNLOAD Maldives 1) Power off Boracay Normal EER (only) 2) Take off the Cabinet : Check the LED off 3) Connect PC-Download Download Connector (10pin) Jig-PBA 4-13...
- Page 30 3) Connect PC-Download Jig-PBA Download Connector (10pin) 5) Execute the Universal EEPwriter program 5) CLICK 6) Select COM Port and connect 7) Open the file 8) Start Download 7) CLICK 8) CLICK 4-20...
- Page 31 5. Assy Control 5-1. ASSY KIT(DB92-03975A) Code Description DB90-08954B ASSY CASE CONTROL-ELECTRIC DB93-04695B ASSY CONNECTOR WIRE DB92-03467G ASSY PCB MAIN DB93-06676A ASSY CONNECTOR WIRE DB93-10943H ASSY CONNECTOR WIRE DB93-10918H ASSY CONNECTOR WIRE DB95-05163A ASSY THERMISTOR IN...
- Page 32 ASSY CASE CONTROL DB93-15320A ASSY CONNECTOR WIRE-REACTOR 0205-000178 0.002 GREASE-SILICON 6002-000630 SCREW-TAPPING DB62-12196B HEAT SINK DB91-00933A ASSY-SCREW MACHINE DB92-04025C ASSY PCB INVERTER DB92-04029D ASSY PCB MAIN DB93-07452B ASSY CONNECTOR WIRE-DC SIGNAL DB93-09497E ASSY CONNECTOR WIRE DB93-16403A ASSY CONNECTOR WIRE-AC SIGNAL Samsung Electronics...
- Page 33 ASSY CASE CONTROL 0205-000178 0.003KG GREASE-SILICON 6002-000536 SCREW-TAPPING DB61-05790A SUPPORT-HEAT SINK DB62-12477A HEAT SINK DB93-15320A ASSY CONNECTOR WIRE-REACTOR DB91-00933A ASSY-SCREW MACHINE DB92-04027B ASSY PCB INVERTER DB92-04029D ASSY PCB MAIN DB93-07452B ASSY CONNECTOR WIRE-DC SIGNAL DB93-10988E ASSY CONNECTOR WIRE Samsung Electronics...
- Page 34 SOLDER-CREAM SOLDER-CREAM ..3 0402-001192 D103 DIODE-RECTIFIER 1 PC ..3 0402-001192 D104 DIODE-RECTIFIER 1 PC ..3 0402-001741 D701 DIODE-RECTIFIER 1 PC ..3 0402-001795 D101 DIODE-RECTIFIER 1 PC ..3 0402-001795 D102 DIODE-RECTIFIER 1 PC ..3 0406-001204 CD81 DIODE-TVS 1 PC Samsung Electronics...
- Page 35 1 PC ..3 2007-000138 R809 R-CHIP 1 PC ..3 2007-000140 R538 R-CHIP 1 PC ..3 2007-000140 R545 R-CHIP 1 PC ..3 2007-000140 R815 R-CHIP 1 PC ..3 2007-000140 R901 R-CHIP 1 PC ..3 2007-000141 R814 R-CHIP 1 PC Samsung Electronics...
- Page 36 1 PC ..3 2007-007313 R401 R-CHIP 1 PC ..3 2007-007313 R402 R-CHIP 1 PC ..3 2007-007313 R403 R-CHIP 1 PC ..3 2007-007455 R110 R-CHIP 1 PC ..3 2007-009922 R301 R-CHIP 1 PC ..3 2007-009922 R302 R-CHIP 1 PC Samsung Electronics...
- Page 37 ..3 2402-001145 CE102 C-AL,SMD 1 PC ..3 2802-001211 X501 RESONATOR-CERAMIC 1 PC ..3 DB41-01296A PCB MAIN PCB MAIN 1 PC ..3 DB91-01752A MIC04 ASSY MICOM 1 PC ..4 0903-001864 IC-MICROCONTROLLER 1 PC DC26-00043A TRAN1 TRANS SWITCHING 1 PC Samsung Electronics...
- Page 38 IC-BUS TRANSCEIVER 1203-006245 IC230 IC-VOL. DETECTOR 2007-000116 R304 R-CHIP 2007-000148 R201 R-CHIP 2007-000148 R202 R-CHIP 2007-000148 R203 R-CHIP 2007-000148 R204 R-CHIP 2007-000148 R205 R-CHIP 2007-000148 R206 R-CHIP 2007-000148 R207 R-CHIP 2007-000148 R208 R-CHIP 2007-000148 R209 R-CHIP 2007-000148 R210 R-CHIP Samsung Electronics...
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Page 39: Outdoor Pcb
R258 R-CHIP 2007-000869 R801 R-CHIP 2007-000869 R802 R-CHIP 2007-000869 R803 R-CHIP 2007-001433 R225 R-CHIP 2007-007306 R224 R-CHIP 2007-007306 R231 R-CHIP 2007-007306 R232 R-CHIP 2007-007306 R233 R-CHIP 2007-007306 R234 R-CHIP 2007-007306 R235 R-CHIP 2007-007306 R243 R-CHIP 2007-007306 R244 R-CHIP Samsung Electronics... - Page 40 C262 C-CER,CHIP 2203-007456 C201 C-CER,CHIP 2203-007456 C204 C-CER,CHIP 2203-007456 C205 C-CER,CHIP 2203-007456 C207 C-CER,CHIP 2203-007456 C208 C-CER,CHIP 2203-007456 C213 C-CER,CHIP 2203-007456 C214 C-CER,CHIP 2203-007456 C217 C-CER,CHIP 2802-001211 X201 RESONATOR-CERAMIC DB41-01352A PCB MAIN DB91-01825A IC231 ASSY MICOM 0903-001864 IC-MICROCONTROLLER Samsung Electronics...
- Page 41 DB68-05092A-4...
- Page 42 _18K...
- Page 43 7-2 Outdoor Unit_24K DB68-06675A DB68-06675A-00...
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Page 46: Refrigerating Cycle Diagram
8-3 Refrigerating Cycle Diagram... - Page 47 #1,4,5,6: Download Signal #1: EVA_TEMP #1: 12V Signal #1 : SPI Signal #2: GND #2 : VCC #2 : GND #3: GND #3 : DC 12V CN75 - SMPS IN CNS21-COMM #1 : Signal 1 #2 : Signal 2 Samsung Electronics...
- Page 48 8-5 Outdoor PCB INVERTER_18K CN75 - SMPS IN CN75 - SMPS IN CNP001 : POWER N CNP002 : POWER L CNP003 : POWER EARTH CNP052 : REACTOR OTOR CN75 - SMPS IN CN75 - SMPS IN CNP401 : COMP CN203 : INV DOWNLOAD CNP051 : REACTOR CNP361 : ECO-COMM #1 :...
- Page 49 8-5 Outdoor PCB INVERTER_24K ⑬ ⑭ ⑮ CN75 - SMPS IN CN75 - SMPS IN CN001 : POWER N CN002 : POWER L CN003 : POWER EARTH CNP051 : REACTOR CN75 - SMPS IN CN75 - SMPS IN CN401 : COMP(U phase) CN402 : COMP(V phase) CNP052 : REACTOR CN403 : COMP(W phase)
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Page 50: Outdoor Pcb
8-5 Outdoor PCB MAIN CN75 - SMPS IN CN75 - SMPS IN CN230 : DOWNLOAD 2. CN271 : EEP CN301 : 4 CN261 : MAIN-INV COMM : Main PBA S/W Download #1 : F1 #1 : INV_TXD-MAIN_RXD #2 : F2 #2 : INV_RXD-MAIN_TXD #3 : 5V #4 : SGND... -
Page 51: Wire Connecting The Indoor Unit Terminal Blocks
If not, there exists a possibility of re which can be caused by electric heat in the connecting part. : Good Bad : Ring terminal is connected reversely Bad : Not clamped Screw Bad : In the gap between Ring terminal & Screw Bad : Unused Ring Terminal Samsung Electronics... -
Page 52: Indoor Unit
9-1-1 Indoor Unit Overview For the product componeat images related to each section, see the pages at the front of this manual. 01 Air intake 05 Room temperature sensor 02 Air filter 06 Display 03 Air flow blade (up and down) 07 Power button / Remote control receiver 04 Air flow blade (left and right) -
Page 53: Outdoor Unit
Outdoor Unit 9-1-2 AR18NSFPEWQXEU AR24NSFPEWQXEU AR18NSFHBWKXEU AR24NSFHBWKXEU... - Page 54 Remote Control Overview 01 Set temperature indicator 11 Temperature button 02 Timer option indicator 12 Options button 03 Operation mode indicator 13 Timer button 04 Options indicator 14 Direction button / Selection button 05 Low battery indicator 15 Vertical air swing button 06 Transmit indicator 16 Mode button 07 Fan speed indicator...
- Page 55 HEAT mode, and indoor fan and out- Indoor fan and outdoor fan stop operation door fan do not operate intermittently for within 20% intermittently in a HEAT mode. of the total heater operation. Samsung Electronics 10-1...
- Page 56 Is the power is normal? Exchange the PBA of no power unit (check the LED Lamp) Exchange the indoor unit PBA. Is the communication error occurred again? Terminate the service. Exchange the outdoor unit PBA. 10-2 Samsung Electronics...
- Page 57 Is the connection of power cable supply power and measure the voltage of #1-#2 in and communication cable normal? the connector Exchange the indoor PBA Below 0.5V or Over 4.5V? Micom error or connector check Exchange the indoor PBA Samsung Electronics 10-3...
- Page 58 Is the connection of power cable supply power and measure the voltage of #3-#4 and communication cable normal? and #5-#6 in the connector Exchange the indoor PBA Below 0.5V or Over 4.5V? Micom error or connector check Exchange the indoor PBA 10-4 Samsung Electronics...
- Page 59 Is the connected louver wire? Does operation start when swing button of the Normal remote control unit pushed? Is the voltage changeable at the pin#2~#5 of CN61, Exchange the PBA CN62, CN63 (louver connector)? Up/Down louver motor is faulty. Samsung Electronics 10-5...
- Page 60 Is the voltage of CN72 Exchange the Indoor PBA #3-#5 and #3-#6 with in 1Vdc~15Vdc during the operation? PBA problem or Motor problem Change the PBA first and check the operation Exchange the Fan motor 10-6 Samsung Electronics...
- Page 61 Is the connection of power cable supply power and measure the voltage of and communication cable normal? "(#1-#2)” i n the connector Exchange the Outdoor PBA Below 0.5Vdc or Over 4.5Vdc? Micom error or connector check Exchange the Outdoor PBA Samsung Electronics 10-7...
- Page 62 Is the connection of power cable p ower and measure the voltage of "(#5-#6)" in the connector and communication cable normal? Exchange the Outdoor PBA Below 0.5Vdc or Over 4.5Vdc? Micom error or connector check Exchange the Outdoor PBA 10-8 Samsung Electronics...
- Page 63 Is the connection of power cable supply power and measure the voltage of "(#3-#4) "in the connector and communication cable normal? Exchange the Outdoor PBA Below 0.5Vdc or Over 4.5Vdc? Micom error or connector check Exchange the Outdoor PBA Samsung Electronics 10-9...
- Page 64 Restart after power o Is the discharge over temperature Terminate the service sensor error appeared again? Download the EEPROM data Is the discharge over temperature Terminate the service sensor error appeared again? Exchange the Outdoor PBA Exchanged the Compressor 10-10 Samsung Electronics...
- Page 65 Is the voltage of "CNP901" #1-#3 over 250Vdc power supply error check Is the voltage of "CNP901" #3-#5 and Exchange the Outdoor PBA #3-#6 with in 1Vdc~15Vdc during the operation? PBA problem or Motor problem rst and check the operation Exchange the Fan motor Samsung Electronics 10-11...
- Page 66 Is the connection of compressor wire is normal? Connect the comp wire normally Download the EEPROM data Is the restart error occurred again? Terminate the service Is the compressor body and interphase Exchange the Outdoor PBA resistance insulated? Exchange the compressor 10-12 Samsung Electronics...
- Page 67 Is the connection of compressor wire is normal? Connect the comp wire normally (PBA and Compressor) Is the restart error occurred again? Terminate the service Is the compressor body and Exchange the Outdoor PBA interphase resistance insulated? Exchange the compressor Samsung Electronics 10-13...
- Page 68 Connect the comp wire normally Is the O.C error occurred again? Terminate the service Is the condition of indoor/outdoor temperature Restart after returning to the normal load normal load? Is the O.C error Terminate the service occurred again? 10-14 Samsung Electronics...
- Page 69 Is the position of Correct the sensor position or temperature sensor and sensing exchange the sensor value normal? Is the compressor body and interphase resistance Exchange the Outdoor PBA insulated? Exchange the compressor Samsung Electronics 10-15...
- Page 70 Check the power input Normal range(280Vdc~320Vdc) Is the DC_link sensing voltage("R101") is normal in operation mode? Exchange the Outdoor PBA Normal range (0.2Vdc~4.8Vdc) Exchange the Outdoor PBA Is the reactor insulation damaged? Exchange the Reactor 10-16 Samsung Electronics...
- Page 71 Start the operation (cooling mode or heating mode) Is the DC_link sensing voltage("B") is normal in operation mode? Exchange the Outdoor PBA Normal range (0.2Vdc~4.8Vdc) Exchange the Outdoor PBA Is the reactor insulation damaged? Exchange the Reactor Samsung Electronics 10-17...
- Page 72 Is the the input voltage is nomal? Check the input power in the powercord. Normal range(180Vac ~ 270Vac) Rest Start the operation (cooling mode or heating mode) Is the DC_link voltage ("CE101,CE102,CE103") is normal in operation mode? Check the input power Normal range(280Vdc~320Vdc) 10-18 Samsung Electronics...
- Page 73 Is the DC_link sensing Exchange the Outdoor PBA voltage("R105")is normal in operation mode? Normal range (0.2Vdc~4.0Vdc) Exchange the Outdoor PBA Is the reactor insulation damaged? Exchange the Reactor Samsung Electronics 10-19...
- Page 74 Is the position of Correct the sensor position or temperature sensor and the sensing exchange the sensor value normal? Is the connection cable for the compressor and power Correct the cable connection terminal normal? Exchange the Outdoor PBA 10-20 Samsung Electronics...
- Page 75 3) Is there no short or open around "IC451" ? 2. Troubleshooting procedure Rest Is the PFC shunt and IPM Exchange the Outdoor PBA shunt resistance value correct? Is the current sensor error appeared again? Terminate the service Exchange the Outdoor PBA Samsung Electronics 10-21...
- Page 76 4) Is the cover assembly in control-box normal? 2. Troubleshooting procedure Restart after power off. Are there screws in PBA-heatsink? Fastening the screw (4 screws) Check the fan connection Is the fan operation normal? Change the Fan motor Exchange the Outdoor PBA 10-22 Samsung Electronics...
- Page 77 Is the Comp Vlimit error occurred again? Terminate the service Is the condition of indoor/outdoor temperature Restart after returning to the normal load normal load? Is the O.C error Terminate the occurred again? service Samsung Electronics 10-23...
- Page 78 Is the position of Correct the sensor position or temperature sensor and sensing exchange the sensor value normal? Is the compressor body and interphase resistance Exchange the Outdoor PBA insulated? Exchange the compressor 10-24 Samsung Electronics...
- Page 79 2. Troubleshooting procedure MODEL "A" DB92-02866A CN501 DB92-02867A CN202 power o and download EEPROM data (or. Insert the service EEPROM IC) Restart after power o Terminate the service Is the error appeared again? Exchange the Outdoor PBA Samsung Electronics 10-25...
- Page 80 * Heating mode * * Cooling mode * Is the outdoor temperature over 40 or Is the outdoor temperature under -7 under -30 ? The temperature condition is too poor to operate. Wait until temperature is changed 10-26 Samsung Electronics...
- Page 81 Terminate the service. Check the EEV valve operation. Is the EEV valve connection normal? Connect the EEV valve. Is the EEV valve is operation? Check the sound of EEV valve Change the EEV valve. after power on. Samsung Electronics 10-27...
- Page 82 Check the pipe crack. Is the pressure of refrigerant normal? Fill up the refrigerant. Exchange the Indoor PBA Exchange the Outdoor PBA 10-28 Samsung Electronics...
- Page 83 Exchange the Main PBA Restart after power o . Is the power normal? Check the power source. Is AC power is normal for SMPS? Exchange the Main PBA CN150 : 220Vac~240Vac Check SMPS wire connection Exchange the PBA Samsung Electronics 10-29...
- Page 84 MAIN 12V(CE175) : 11Vdc ~ 13Vdc Is the SMPS is normal? Exchange the SMPS PBA MAIN 18V(CE170) : 17Vdc ~19Vdc Is the SMPS is normal? Exchange the SMPS PBA MAIN 5V(CE174) : 4.5V ~ 5.5Vdc Exchange the PBA Samsung Electronics 10-30...
- Page 85 2) Check the battery in remote control 3) All the lights out and check again : Change electronic typed to a rescent light 4) Put the set in operation and check the voltage of display PBA 5) Replace the display PBA 10-31 Samsung Electronics...
- Page 86 Is the EEV valve is operation? Change the EEV valve. Check the sound of EEV valve after power on. Check the pipe crack. Is the pressure of refrigerant normal? Fill up the refrigerant. Exchange the Indoor PBA Exchange the Outdoor PBA Samsung Electronics 10-32...
- Page 87 - Discharge temperature and the indoor [Execute the troubleshooting] temperature measurements c Check the refrigerant leaks. that the di erence is more than 10 . Check the PCB Relay. - Fill up perfectly refrigerant after re-vacuum. Execute the related trouble- shooting. 10-33 Samsung Electronics...
- Page 88 10-2-31 Pre-inspection Notices 1. Check if you pulled out the AC power plug when you eliminate the PCB or front panel 2. Don't hold the PCB side not impose excessive force on it to eliminate the PCB 3. Don’t pull the lead wire but hold the whole housing to connect or disconnect a connector to the PCB 4.
- Page 89 10-2-34 Outdoor detailed inspection procedure procedure Inspection Method Cause . Over current Plug out and pull the PCB out of . AC part and pattern short of Indoor the control box 1) Is 1st fuse disconnected? Check the PCB fuse 2) Is indoor PBA faulty? .
- Page 90 10-3 10-36...
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Page 93: Reference Sheet
Reference Sheet Index for Model Name 10th 11th 12th 13th 14th Project Capacity Sell Feature Series Color Unit Export INVERTER HP 13Year INVERTER CO 14Year 15Year 16Year 17Year BEST RAC RAC Maldive 1ST MODEL Project Color Name Division Component Sinkeolreo code DA White Deco PM Gray... -
Page 94: Low Refrigerant Pressure Distribution
Note : Please measure the refrigerant pressure after the air conditioner operates on testing cooling mode during more than 10 minutes. Indoor Temp. Variation : 20°C ~ 32°C Outdoor Temp. Variation : -5°C ~ 45°C Low Refrigerant Pressure Distribution AR18NSF**W*XEU AR24NSF**W*XEU Samsung Electronics 12-2... - Page 95 12-3 12-3...
- Page 96 12-4 12-4...
- Page 97 12-5...
- Page 98 12-6...
- Page 99 12-5 12-5-1 Opening the panel Tightly grab top of the front panel and pull it down to open. Then slightly lift the panel up. and slide it down. Open the panel and put the Air lter out. Clean the Air lter with a vacuum cleaner or soft brush. If dust is too heavy, rinse it with running water.
- Page 100 12-5-2 12-8...
- Page 101 12-6 12-6-1 12-6-2 12-9...
- Page 102 12-7 12-7-1 12-10...
- Page 103 12-7-2 12-11...
- Page 104 Within a 3% Deviation from Each Voltage at the Main Terminal of Voltage Imbalance Outdoor Unit Starting Voltage Higher than 80% of the Rated Voltage 12-7-4 WORKING RANGE Applicable models: AR18NSFPEWQNEU AR18NSFHBWKNEU AR24NSFPEWQNEU AR24NSFHBWKNEU Working Range Min(℃) Max(℃) Rated(℃) Working Range Min(℃)