Samsung window-type room air conditioner owner's instructions (20 pages)
Summary of Contents for Samsung DH24BTA
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High Performance & Energy Saving ■ Long Piping(Length & Height) ■ Long Ambient Operation(In Low Temp.) EH035EAV/EH052EAV/EH070EAV ■ : Up to -10˚C(Heating), Up to -5˚C(Cooling) Eco-friendly Product ■ (Lead-Free, RoHS, WEEE) UH035EAV UH052EAV UH070EAV For more information, Please access to our service web site(http://itself.sec.samsung.co.kr)
Do not place a cloth or other materials over it. ● Remove the batteries if you don’t use the remote control for a long time. (If applicable) ● Use the remote control within 7 meters from the indoor unit. (If applicable) Samsung Electronics...
● Young children or infirm 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 efficiency. Samsung Electronics...
– EH052/070EAV : Max.30m Long & 15m Height ■ Long Ambient Operation (In Low Temperature) It can arise the reliability and the capacity of the air conditioner, especially operated in low temperature. ■ Eco-friendly Product (Lead-Free, RoHS, WEEE) Samsung Electronics...
Item EH070EAV DH24BT(Basic) Indoor Unit Design Outdoor Unit Indoor Unit 31.0kg 34.0kg Net Weight Outdoor Unit 57.0kg 74.0kg Indoor Unit 1,100x199x600mm 1,100x199x600mm Outer Dimension (WxHtxD) Outdoor Unit 880x798x310mm 880x798x310mm Indoor Unit 42dB↓ 42dB↓ Noise Outdoor Unit 60dB↓ 59dB↓ Samsung Electronics...
(Display is unrelated Main-Inverter Micom(After 1 minute of Main-Inverter with operation) detection) ● : On, ◑ : Flickering, X : OFF ◆ If you turn off the air conditioner when the LED is flickering, the LED is also turned off. Samsung Electronics...
◑ EEPROM error ◑ ◑ ◑ ◑ ◑ EEPROM option error ● : On, ◑ : Flickering, X: OFF ◆ If you turn off the air conditioner when the LED is flickering, the LED is also turned off. Samsung Electronics...
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Outdoor unit Capacity Setup Option Error Wired Liquid Crystal ↔ Indoor unit Comm. Error Master Wired Liquid Crystal ↔ Slave Liquid Crystal Comm. Error Wired Remote Control Error Wired Liquid Crystal COM1/COM2 Cross Error Error of setting option for wired remote controller COM2 Samsung Electronics...
● Power ON reset(1sec) ◎ ○ ○ Capacity miss match ○ ◎ ◎ Test Operation at Cooling Mode ◎ ◎ ◎ Test Operation at Heating Mode ● : LED ON, ○ : LED OFF, ◎ : LED BLINK Samsung Electronics...
Push the button to set the display panel to Every time you push the button, the display panel reads ➡ ➡ ➡ . . . repeatedly. ➡ ➡ ➡ ➡ ➡ ➡ ➡ Samsung Electronics...
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If all lamps of indoor unit are flickering, Plug out, plug in power plug again and press ON/OFF key to retry. If the unit is not working properly or all lamps are continuously flickering after setting the option code, see if the correct option code is set up for its model. Samsung Electronics...
1) Disassemble the Cabinet Top Motor. & - Unscrew 8 screws Blower 2) Disassemble 2 Cover Blower Uppers. - After unscrewing 2 screws - Disassemble the Cover Blower Upper with pushing its hook. 3) Disassemble the Cover Control. - Unscrew 2 screws Samsung Electronics...
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Partition. - Unscrew a screw 6) Disassemble the band Motor for fixing the Motor. - Unscrew 2 screws 7) After disassembling the Motor and Blower for the set, disassemble the Blower by use of 3mm wrench. Samsung Electronics...
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1) Disassemble the Cabinet Top Evap. - Unscrew 11 screws 2) Disassemble the Bracket Outlet Sub that fixes the Drain Pan equipped on the front of the set. - Unscrew 6 screws 3) Disassemble the Drain Cushion from the set. Samsung Electronics...
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Inlet air temperature sensor, and EEV wire that connected to the inside of PCB. 3) Disassemble the Support Evap. LF that fixes the Evaporator. - Unscrew 2 screws 4) Disassemble the Support Evap RH. - Unscrew 2 screws Samsung Electronics...
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Capacitor from the Case. 4) In case of disassembling the Case Control, disassemble the Case Control from the set after unscrewing the screw connected to the direction of Blower. - Disassemble if after disassembling the Cabinet Top Motor 1-1). Samsung Electronics...
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5) In case of disassembling the Trans Power, unscrew the screw fixing on the Case. ✳ Disassemble if after disassembling the case PCB 4-4). Bracket Outlet 1) Disassemble the Bracket Outlet assembled on the Cabinet. - Unscrew 10 screws Samsung Electronics...
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Disassembly and Reassembly ■ EH052EAV/EH070EAV Parts Procedure Remark Filter 1) Pull out the Filter as picture 1 or picture 2. 2) If it is necessary, after disassembling 8 indicating screws, detach the Bracket Filter. Samsung Electronics...
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Blower 1) After disassembling 13 indicating screws, & detach Ass’y Cabinet-Top Motor. Motor 2) After disassembling 3 indicating screws, detach Ass’y Case Blower Upper. – Press the pothook of the Case Blower and detach Ass’y Case Blower Upper. Samsung Electronics...
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Cover Control. 4) Detach the Motor Wire Connected to PCB and Capacitor. 5) After disassembling the indicating screws, detach the wire connected to the Partition. 6) After disassembling 2 indicating screws, detach the Ass’y Band Motor. Samsung Electronics...
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Blowers from the axis of the Motor by 3mm inner hexagon spanner. Drain Pan 1) After disassembling 15 indicating screws, detach Ass’y Cabinet-Top Evap. 2) After disassembling 6 indicating screws, detach the Bracket Outlet. 3) Detach the Drain Pan. 4-10 Samsung Electronics...
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1) After disassembling 2 indicating screws, detach Ass'y Cover Pipe. 2) Detach the Sensor from the Control Box.(including 2 Sensors) 3) After disassembling 2 indicating screws, detach Ass'y Support Evap LF. 4) After disassembling 2 indicating screws, detach Ass'y Support Evap RH. Samsung Electronics 4-11...
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3) If only the disassembly of Capacitor is required, detach it from the set. 4) If only the disassembly of Case Control is required, detach it from the set after disassembling 2 indicating screws. 4-12 Samsung Electronics...
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Disassembly and Reassembly Parts Procedure Remark 5) Detach the Transformer after disassembling 2 indicating screws. ✳ Work is possible after disassembling the Case PCB. Ass’y Bracket 1) After disassembling 16 indicating screws, Outlet detach Ass’y Bracket Outlet. Samsung Electronics 4-13...
Cabinet Side edges and a fixing screw on the Cabinet Front lower to detach the Cabinet Front. 3) Detach the Cabinet Front like the picture on the right side. 4) Loosen 1 screw fixed to assemble Plate Control Out with Cabinet-Side RH. 4-14 Samsung Electronics...
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Disassembly and Reassembly Parts Procedure Remark 5) Loosen 2 fixing screws on the rear side of Cabinet-Side RH. 6) Loosen 3 screws fixed to assemble Bracket Valve with Cabinet-Side RH. 7) Loosen 2 fixing screws of Cabinet-Side LF. Samsung Electronics 4-15...
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1) Detach the Motor Wire from the PCB of Ass'y Control Out. 2) Detach several connectors from the PCB of Ass'y Control Out. 3) Detach 2 Connect Wires from Reactor. 4) Loosen 1 screw fixed to assemble Ass'y Control Out with Partition. 4-16 Samsung Electronics...
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1) Loosen the Nut of Terminal Cover. 2) Detach the Terminal Cover and detach the Connect Comp Wire from Compressor. 3) Disassemble the Felt Comp Sound. 4) Loosen the 3 bolts at the bottom of Compressor like the picture on the right side. Samsung Electronics 4-17...
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1) Loosen 1 fixing screw of the Cover-Control and detach the Cover Control. 2) Loosen fixing screws and detach the Cabinet-Upper. 3) Loosen 1 screw fixed to assemble Control Box with Cabinet-Side RH. 4) Loosen 6 fixing screws and detach the Cabinet-Side RH. 4-18 Samsung Electronics...
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Operating Instructions and Installation Disassembly and Reassembly Parts Procedure Remark 5) Loosen 2 screws fixed on the Guide Condenser. 6) Loosen fixing screws of the Cabinet Front. Samsung Electronics 4-19...
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5) Loosen 2 fixing screws and detach the Bracket Motor. Ass’y Control Out 1) Detach several connectors from the Ass’y Control Out. 2) Detach several connectors from the PCB of Ass’y Control Out. 3) Pull up the Ass’y Control Out. 4-20 Samsung Electronics...
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4) Detach the Heat Exchanger. Compressor 1) Loosen the fixing nut and detach the Compressor Lead Wire. 2) Disassemble the Felt Comp Sound. 3) Loosen the 3 bolts at the bottom of Compressor like the picture on the right side. Samsung Electronics 4-21...
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1) Loosen 1 fixing screw of the Cover-Control and detach the Cover Control. 2) Loosen each 8 fixing screws and detach the Cabinet-Upper. 3) Loosen 1 screw fixed to assemble Control Box with Cabinet-Side RH. 4) Loosen fixing screws and detach the Cabinet-Side RH. 4-22 Samsung Electronics...
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Operating Instructions and Installation Disassembly and Reassembly Parts Procedure Remark 5) Loosen 2 screws fixed on the Guide Condenser. 6) Loosen fixing screws of the Cabinet Front. Samsung Electronics 4-23...
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2) Detach the Fan Propeller. 3) Loosen 4 fixing screws to detach the Motor. 4) Disconnect the wire between Ass’y Control Out and Motor. 5) Loosen 2 fixing bolts and detach the Bracket Motor. 4-24 Samsung Electronics...
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3) Pull up the Ass’y Control Out. Heat Exchanger 1) Release the refrigerant at first. 2) Loosen fixing screw on both sides. 3) Disassemble the pipes in both inlet and outlet with welding torch. 4) Detach the Heat Exchanger. Samsung Electronics 4-25...
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Procedure Remark Compressor 1) Loosen the fixing nut and detach the Compressor Lead Wire. 2) Disassemble the Felt Comp Sound. 3) Loosen the 3 bolts at the bottom of Compressor like the picture on the right side. 4-26 Samsung Electronics...
Wired Remote Controller Power(12V) 485 Communication Part(F1/F2) 485 Communication Part(F3/F4) Temperature Sensor Part - Room Temperature - Eva. In Temperature Micom download Display Part Option & Address Set S/W Floating S/W This Document can not be used without Samsung’s authorization. Samsung Electronics...
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Circuit Descriptions Circuit Descriptions 9-1-2 Outdoor Unit(UH035EAV) ■ Inverter BLDC FAN INVERTER SMPS MICOM COMMUNICATION This Document can not be used without Samsung’s authorization. Samsung Electronics...
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Circuit Descriptions Circuit Descriptions ■ Main TEMPERATURE SENSOR & EEV 485 COMMUNICATION This Document can not be used without Samsung’s authorization. Samsung Electronics...
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Circuit Descriptions Circuit Descriptions 9-1-3 Outdoor Unit(UH052EAV/UH070EAV) TEMPERATURE SENSOR & EEV SMPS INVERTER This Document can not be used without Samsung’s authorization. Samsung Electronics...
10-2 Outdoor PCB 10-2-1 UH035EAV ■ Inverter Power N Power Relay Power L Comp. Connector Wire BLDC Fan : YAW396-07V (WHT) Reactor Connector Wire Main PCB Connector : SMW200-07(WHT) Samsung Electronics 10-2...
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PCB Diagram ■ Main PCB Inverter PCB Connector : SMW200-07(WHT) Display PCB Connector : SMW200-07(WHT) OLP/Cond. Temperature Sensor : SMAW250A-04(WHT) Outdoor/Discharge Temperature Sensor : SMAW250A-04(RED) EEV Connector : SMAW250A-06(WHT) DC5V Connector : SMW250-03(WHT) Communication 10-3 Samsung Electronics...
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PCB Diagram 10-2-2 UH052EAV/UH070EAV The red number connecter is not used. Power N COND/OLP Temperature Sensor Power L DIS/OUT Temperature Sensor BLDC FAN EEV Connector AC FAN Comp. Connector Wire Communication 485 Reactor Connector Wire Samsung Electronics 10-4...
11. Operating Instructions 11-1 Name of Each Part 11-1-1 Indoor Unit The figures are shwon in this instruction may differ from yours depending on the model. ■ EH035EAV outlet Inlet ■ EH052EAV/EH070EAV outlet Inlet 11-1 Samsung Electronics...
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Operating Instructions 11-1-2 Outdoor Unit ■ UH035EAV Air Inlet(Rear) Air Outlet Connection Valve (inside) ■ UH052EAV Air Inlet(Rear) Air Outlet Connection Valve ■ UH070EAV Air Inlet(Rear) Air Outlet Connection Valve Samsung Electronics 11-2...
3. To adjust the temperature, press the buttons one or more times until the required temperature is displayed. Possible temperatures are between 18˚C and 30˚C inclusive. 11-3 Samsung Electronics...
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Possible temperatures are between 16˚C and 30˚C inclusive. 4. Select the fan speed by pressing the button one or more times until the intended value is displayed : Automatic(rotated : ➔ ➔ Medium High Samsung Electronics 11-4...
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2. To select the FAN mode, press the button until is displayed at the top of the wireless remote controller. 3. Select the fan speed by pressing the button one or more times until the intended value is displayed: Medium High 11-5 Samsung Electronics...
3. To adjust the temperature, press the buttons one or more times until the required temperature is displayed. Possible temperatures are between 18˚C and 30˚C inclusive. Samsung Electronics 11-6...
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Possible temperatures are between 16˚C and 30˚C inclusive. 4. Select the fan speed by pressing the button one or more times until the intended value is displayed : Automatic(rotated : ➔ ➔ Medium High 11-7 Samsung Electronics...
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2. To select the FAN mode, press the button until is displayed at the top of the wired remote controller. 3. Select the fan speed by pressing the button one or more times until the intended value is displayed: Medium High Samsung Electronics 11-8...
Air flow direction Swing button On Timer setting On Timer button Off Timer setting Off Timer button Battery discharge indicator On/Off & Timer Set/ Cancel button Note : • After cleaning the air filter, press the button. 11-9 Samsung Electronics...
You must not press it. • After cleaning the air filter, press the button. Then the wired remote controller will display the Filter Sign indicator when the time to clean the air filter. Samsung Electronics 11-10...
The compressor operates in a reverse cycle to remove Indoor fan and outdoor fan stop operation intermittently exterior ice in a HEAT mode, and indoor fan and outdoor in a HEAT mode. fan do not operate intermittently for within 20% of the total heater operation 12-1 Samsung Electronics...
Replace fuse 20[A]/250[V]:✳✳035/052✳✳ 30[A]/250[V]:✳✳070✳✳ Check the input/output voltage of SMPS on the INV PCB. PCB should be replaced DC_Link voltage(C101):DC300[V] IC16, IC19 Input:DC12[V] output:DC5[V] ◆ Check the setting temperature Samsung Electronics 12-2...
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Replace the PCB. Separate the BLDC FAN Wire Is the number 1, 3 of the Is the +, - of C102 Short? BLDC FAN Wire Short? Replace the PCB Replace the BLDC FAN Normal Operation : UH035EAV Exit 12-3 Samsung Electronics...
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Pull out the power cord and during the operation? (Square-Wave) execute the following step after 30 seconds. Disassemble the BLDC FAN Wire. Is the short between Exchange the PCB. the BLDC FAN Wires? Exchange the BLDC FAN MOTOR. Exchange the PCB. Samsung Electronics 12-4...
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Pull out the power cord and exchange the PCB from the case after 30 seconds. Is the assembly of Micom and Exchange the PCB. peripheral circuit part good? Check again after assembly of PCB. 12-5 Samsung Electronics...
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4-WAY valve coil error of 4-WAY valve coil. Dose the voltage of AC 220V Exchange apply to the connector of 4-WAY the outdoor PCB. valve coil during the operation? Go to the next page 4-WAY valve main body error Samsung Electronics 12-6...
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Connect the connector. correctly? Check the resistance value Outdoor fan error of outdoor fan. Dose the voltage of DC300V apply to the connector of outdoor Check the motor wire. fan during the operation of outdoor unit? Outdoor PCB error 12-7 Samsung Electronics...
Exchange the sensor. (Refer to the R/T TABLE) Is the resistance value of sensor connection pull_up 18K? Exchange the PCB. Exchange the PCB. Normal operation Exit 400.0 350.0 300.0 250.0 200.0 150.0 100.0 50.0 Samsung Electronics 12-8...
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Exchange the sensor. (Refer to the R/T TABLE) Is the resistance value of sensor connection pull_up 24K? Exchange the PCB. Exchange the PCB. Normal operation Exit 600.0 500.0 400.0 300.0 200.0 100.0 12-9 Samsung Electronics...
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Exchange the sensor. (Refer to the R/T TABLE) Is the resistance value of sensor connection pull_up 18.2K? Exchange the PCB. Exchange the PCB. Normal operation Exit 400.0 350.0 300.0 250.0 200.0 150.0 100.0 50.0 Samsung Electronics 12-10...
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4) Is the resistance value of sensor connection pull_up correct? 2. Troubleshooting procedure Remove the Fan lock. Isn't the Fan locked? Is the connector connected correctly? Connect the connector. Is the color of Fan wire matched correctly? Exchange the Fan. Exchange the PCB. Normal operation Exit 12-11 Samsung Electronics...
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N, L correct after power supply? Is the capacitor(C101, C102, C103) Connect the connector. for DC-Link assembled in accordance the specification? Are R113, R114, R115 470kohm? Exchange the PCB. Is R116 14.3kohm? Exchange the Fan. Exchange the PCB. Normal operation Exit Samsung Electronics 12-12...
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Is the position of temperature sensor Correct the sensor position or and the sensing value normal? exchange the sensor. Is the connection cable for Correct the cable connection. the compressor and power terminal normal? Exchange the PCB. 12-13 Samsung Electronics...
Correct the wrong wiring. communication cable wiring error? Is the connection of Correct the connection of communication cable normal? communication cable. Is it the outdoor Exchange the indoor/outdoor unit PCB. 2 Micom(Inverter + Main) model? Exchange the outdoor unit PCB. Samsung Electronics 12-14...
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Exchange the compressor. compressor (u↔v, v↔w, w↔u) normal? Is the compressor body and Exchange the compressor. interphase resistance insulated? Is the connection cable for the Correct the cable connection. compressor and power terminal normal? Exchange the PCB. 12-15 Samsung Electronics...
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Exchange the compressor. compressor (u↔v, v↔w, w↔u) normal? Is the compressor body and Exchange the compressor. interphase resistance insulated? Is the connection cable for the Correct the cable connection. compressor and power terminal normal? Exchange the PCB. Samsung Electronics 12-16...
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Is the resistance for the Exchange the PCB. detection of DC Link voltage normal? Is the resistance value of Exchange the PCB. DC Link discharge normal? Is the reactor insulation damaged? Exchange the PCB. Exchange the reactor. 12-17 Samsung Electronics...
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1. AC Line Zero Cross Signal OUT – Check the assembly condition of peripheral part of IC21, ZD201, ZD200(✳✳035✳✳) / ZD21, ZD22(✳✳052/070✳✳) and D201 on the PCB. 2. Capacity miss match – Check again the indoor unit option code. Samsung Electronics 12-18...
2) The fan motor of the indoor unit doesn't run. Fan Motor Connector(CN72) is faulty 3) The power voltage between terminal #3 and #5 • ASS'Y Main PCB is faulty of the connector(CN72) is 0V. • Connection is faulty 12-19 Samsung Electronics...
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• Outdoor PCB Error (✳✳035✳✳) 2) Is CN01 3, 5 within 1V~5V? • BLDC Motor Error 3) Is the voltage of CN01 6 changed? 4) Is the resistance of BLDC Motor 1, 3 opened after power off? Samsung Electronics 12-20...
∞, 0Ω . . . Open or Short Stepping Motor Measure the resistance between the red wire and each terminal wire with a tester. Normal About 300Ω at the normal temperature (20˚C ~ 30˚C) Abnormal ∞, 0Ω . . . Open or Short 12-21 Samsung Electronics...
• LED CONTROL SIGNAL • AC FAN CONTROL SIGNAL • EEV CONTROL SIGNAL • 4-WAY VALVE • 4-WAY CONTROL SIGNAL • EEV • LED CONTROL SIGNAL • INDOOR COMMUNICATION SIGNAL INDOOR UNIT SMPS AC INPUT PFC CIRCUIT 13-2 Samsung Electronics...
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Block Diagram 13-2-1 UH035EAV ■ Inverter PCB IGBT DIODE OUTDOOR FAN POWER RELAY DC_LINK CAP SMPS Samsung Electronics 13-3...
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Block Diagram ■ Main PCB DISPLAY CONTROL INV PCB CONNECTOR INDOOR COMMUNICATION CIRCUIT EEV CONNECTOR THERMISTOR CONNECTOR 13-4 Samsung Electronics...
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Block Diagram 13-2-2 UH052EAV OUTDOOR FAN IGBT DIODE DC_LINK CAP SMPS Samsung Electronics 13-5...
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Block Diagram 13-2-3 UH070EAV OUTDOOR FAN IGBT DIODE DC_LINK CAP SMPS 13-6 Samsung Electronics...
It occurs when the drain pump is plugged out or it is out of order. Check the power of the drain pump and the position of the drain hose, and when the pump is faulty, contact the drain pump manufacturer. Samsung Electronics do not manufacture drain pumps.
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Also, the remote controller may not work under intensive light from a 3-wave length lamp or a neon sign due to the EMI. In this case, take the remote controller closer to the receiver. Samsung Electronics 14-5...
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There is a cost table. But, our service engineer needs to visit to total up the cost correctly. When you move in, make sure to contact Samsung Electronics Service Center or Authorized Service Agent in advance to streamline the process.
5. When you have finished, insert the filter into the unit. 6. Clean the outdoor unit with a vacuum cleaner or a brush once a month. Note : • After cleaning the air conditioner, press the Filter Reset button. Wireless Remote Controller Wired Remote Controller Samsung Electronics 14-7...
Electric and earth work shall meet the "Electric Facility Technology Standard" and the "Internal Wire Regulation" of the Electric Business Laws. ■ Inspection & Trial Run Upon completion of the tests, you shall make a trial run while you explain the main functions of the air conditioner to finish the installation. 14-8 Samsung Electronics...
183kgf . cm with a torque wrench. 7) Check for gas leakage. - At this time, especially check for gas leakage from the 3-Way valve’s stem nuts, and from the service port cap. Samsung Electronics...
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• Make sure you do not bend the connection pipes in the middle and store together with the cables. • Move the indoor and outdoor units to a new location. • Remove the mounting plate for the indoor unit and move it to a new location. 14-10 Samsung Electronics...