Window-type room air conditioner ( cool ) (20 pages)
Summary of Contents for Samsung CH070EAV1
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SYSTEM AIR CONDITIONER Basic : CH140EAV/UH140GAV Model : CH070EAV1/CH090/105/140EAV UH070EAV1/UH090/105/140EAV Model Code : CH070EAV1/CH090/105/140EAV UH070EAV1/UH090/105/140EAV AIR CONDITIONER CONTENTS 1. Precautions 2. Product Specifi cations 3. Disassembly and Reassembly 4. Troubleshooting 5. Exploded Views and Parts List CH070EAV1/CH090/105/140EAV 6. PCB Diagram and Parts List 7.
Contents 11. Precautions ............................1-1 Installing the air conditioner ......................1-2 Power supply and circuit breaker ....................1-3 During operation ..........................1-4 Disposing of the unit ........................1-5 Others ..............................12. Product Specifications ....................... 2-1 The Feature of Product ........................
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>3mm. Do not extend an electric cord to the air conditioner. The air conditioner must be plugged in after you complete the installation. No Tapping and No Extension Cords Samsung Electronics...
�oung 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...
It can give the benefit to the installers and aries the reliability of the air conditioner. 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...
2-2 Product Specifications Model CH070EAV1 UH070EAV1 CH090EAV UH090EAV Indoor Unit Outdoor Unit Indoor unit Outdoor unit Item Type Cassette-type Cassette-type Cooling(MIN/STD/MAX) 2.1/7.1/8.4 3.2/9.0/10.0 Heating(MIN/STD/MAX) 2.0/8.0/11.6 3.0/10.0/13.9 Dehumidifying ℓ/h Cooling 21.9/19.4/18.3 22.8/17.6/13.5 m³/min Air Volume (H/M/L) Heating 22.3/21.7/19.1 24.1/20.3/16.2 Cooling Noise...
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Refrigerant Control Unit Freezer Oil Capacity 1,100 Refrigerant to Change(R410A) 2,800(40g/m) Protection Device(OLP) Cooling Test Condition INDOOR UNIT : DB27˚C WB19˚C OUTDOOR UNIT : DB35˚C WB24˚C Heating Test Condition INDOOR UNIT : DB20˚C WB15˚C OUTDOOR UNIT : DB7˚C WB6˚C Samsung Electronics...
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Refrigerant Control Unit Freezer Oil Capacity 1,100 Refrigerant to Change(R410A) 2,800(40g/m) Protection Device(OLP) Cooling Test Condition INDOOR UNIT : DB27˚C WB19˚C OUTDOOR UNIT : DB35˚C WB24˚C Heating Test Condition INDOOR UNIT : DB20˚C WB15˚C OUTDOOR UNIT : DB7˚C WB6˚C Samsung Electronics...
Item UH140EAV UH140GAV Outdoor Unit Design Indoor Unit Indoor Unit 29.0kg 29.0kg Net Weight Outdoor Unit 94.0kg 98.0kg Indoor Unit 840x298x840(mm) 840x298x840(mm) Outer Dimension (WidthxHeightxDepth) Outdoor Unit 1,128x932x375(mm) 930x1,135x370(mm) Indoor Unit 50dB↓ 45dB↓ Noise Outdoor Unit 66dB↓ 60dB↓ Samsung Electronics...
3-1 Indoor Unit ■ CH070EAV1/CH090/105/140EAV Parts Procedure Remark Front Grille 1) Push the tap on the Front Grille to open it. –Dust-Collecting Filter 2) Disassembly of Front Grille. (1) Open the Front Grille at about 45˚ degrees and draw it forward.
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5) Pull the corner cover forward carefully by using 2 hands. 6) Loosen 4 bolts of the front panel slowly. 7) Loosen 4 screws of the safety net to disassemble it.(Use +Screw Driver.) Samsung Electronics...
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Panel. -Stepping motor connector. -Receiving & display unit connector wire. 10) Hold on 2 hooks on both sides of the indoor unit and disassemble the Front Panel. 11) Take away the disassembled Panel out of the Main Body. Samsung Electronics...
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1) Disassemble the Fan Motor Wire Connector, Thermistor Wire Connector, Drain Pump Wire Connector and Float Switch Wire Connector. 2) Loosen 4 screws in the mark (Use +Screw Driver.) 3) Disassemble the Base Control from the Main Body. Samsung Electronics...
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* At first, there are 2 bolts per one corner and when reassembly, there should be at least 1 bolt per one corner fastened. * 2 Bolts per one corner recommended. 6) Disassemble the Drain Cushion from the Main Body. 7) Loosen the nut.(Use Monkey Spanner.) Samsung Electronics...
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8) Take out the Washer. 9) Lift the Fan to disassemble from the Motor. 10) Loosen the screw and disassemble the Motor Connector to disassemble Motor.(Use +Screw Driver.) 11) Loosen 4 screws in the mark (Use +Screw Driver.) Samsung Electronics...
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Drain Pump from the Main Body. (Use +Screw Driver.) Heat Exchanger 1) Loosen 2 screws to disassemble the Cover Pipe beside the Main Body. (Use +Screw Driver.) 2) Loosen 2 screws fixing the Holder Evap to disassemble the Heat Exchanger. (Use +Screw Driver.) Samsung Electronics...
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1) Loosen 2 screws to disassemble the (PCB Part) Cover PCB.(Use +Screw Driver.) 2) Loosen the screw fixing the PCB to disassemble it.(Use +Screw Driver.) 3) Disassemble the PCB Wire from the PCB. 4) Disassemble the Button PCB from the PCB. Samsung Electronics...
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Side. 2) Draw 2 hooks then lift up the Cover Side. 3) Disassemble the Stepping Motor Wire Connected. 4) Disassemble the Stepping Motor from the Panel Front. 5) Disassemble the link and bracket from the Stepping Motor. 3-10 Samsung Electronics...
Product Specifications 3-2 Outdoor Unit UH070EAV1 Parts Procedure Remark Common Work 1) Loosen 1 fixing screw of the Cover-Control and detach the Cover Control. 2) Loosen each 7 fixing screws and detach the Cabinet Upper. Samsung Electronics 3-11...
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Product Specifications Parts Procedure Remark 3) Loosen 1 screw fixed to assemble Control Box with Cabinet-Side RH. 4) Loosen fixing screws and detach the Cabinet-Side RH. 5) Loosen 2 screws fixed on the Guide Condenser. 3-12 Samsung Electronics...
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Product Specifications Parts Procedure Remark 6) Loosen fixing screws of the Cabinet Front. Samsung Electronics 3-13...
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2) Detach the Fan Propeller. 3) Loosen 4 fixing screws to detach the Motor. 4) Disconnect the wire between ASS'� Control Out and Motor. 5) Loosen 2 fixing bolts and detach the Bracket Motor. 3-14 Samsung Electronics...
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2) Loosen fixing screw on both sides. 3) Disassemble the pipes in both inlet and outlet with welding torch. 4) Detach the Heat Exchanger. 5) Loosen 4 bolts fixed to assemble Valve Service with Bracket Valve like the picture on the right side. Samsung Electronics 3-15...
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Procedure Remark Compressor 1) Loosen the fixing nut and detach the Compressor Lead Wire. 2) Disassemble the Felt Compressor Sound. 3) Loosen the 3 bolts at the bottom of Compressor like the picture on the right side. 3-16 Samsung Electronics...
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Cabi Front Rh. 2) Loosen each 8 fixing screws and detach the Cabi Top Cover. 3) Loosen 2 screws fixed to assemble Control Box with Cabi Back Rh. 4) Loosen fixing screws and detach the Cabi Back Rh. Samsung Electronics 3-17...
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Parts Procedure Remark 5) Loosen 2 screws fixed on the Cabi Back Lf. 6) Loosen fixing screws of the Cabi Front Lf. 3-18 Samsung Electronics...
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2) Detach the Fan Propeller. 3) Loosen 4 fixing screws to detach the Motor.(Use Monkey Spanner.) 4) Disconnect the wire between Ass’y Control Out and Motor. 5) Loosen 2 fixing bolts and detach the Bracket Motor.(Use Monkey Spanner.) Samsung Electronics 3-19...
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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. 3-20 Samsung Electronics...
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1) Loosen the fixing nut and detach the Compressor Lead Wire. (Use Monkey Spanner.) 2) Disassemble the Felt Comp Sound. 3) Loosen the 3 bolts at the bottom of Compressor like the picture on the right side.(Use Monkey Spanner.) Samsung Electronics 3-21...
Error of setting option switches for optional accessories ◑ ◑ ◑ ◑ ◑ 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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Discharge over temperature Outdoor Unit Protetion Control Error [Inverter] Compressor starting error Primary Current Over Trip error [Inverter] IPM Over Current (O.C) [Inverter] Compressor Rotation error [Inverter] Current Sensor error [Inverter] DC LINK Sensor error [Inverter] EEPROM Read/Write Error Samsung Electronics...
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Outdoor unit Capacity Setup option error Communication error between Indoor unit and wired remote control Wired remote control error Communication error between Master and Slave wired remote control COM1/COM2 Cross-installed error Error of setting option for wired remote control 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...
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I nput the second digit of option code by pressing the High Temp button. example) 021E311422852A311439421F R esult) I f 2 is displayed, go to the step 4 (whenever pressing the button, 1~9, A,B,C,D,E,F are lit in order.) Samsung Electronics...
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021E311422852A311439421F Result) If E displays, go to step 6. Step 6 Method) Input the fifth digit of option code by pressing the On Timer button. example) 021E311422852A311439421F Result) If 3 displays, go to step 7. SEG5 Samsung Electronics...
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2~7 steps, press the mode button repeatedly to make the first digit 0. Step 9 Method) Input the eighth digit by pressing the High Temp button. example) 021E311422852A311439421F Result) If 4 displays, go to step 10. Samsung Electronics...
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021E311422852A311439421F Result) If 2 displays, go to step 12. Step 12 Method) I nput the 11st digit by pressing the On Timer button. example) 021E311422852A311439421F Result) If 8 displays, go to step 13. 4-10 Samsung Electronics...
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Option code will be input.(Check the option code correctly. At the time, if the same error continues to occur, the option code is out of input range. Check the option code again and repeat the step 1~14. Samsung Electronics 4-11...
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Low Temp button. example) 021E311422852A311439421F Result) If 3 displays, go to step 17. Step 17 Method) Input the 16th digit by pressing the High Fan button. example) 021E311422852A311439421F Result) If 1 displays, go to step 18. 4-12 Samsung Electronics...
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② If the first number is 3 of the time, it is correct. so go to step 22. • If wanting to see previous screen, press the mode button repeatedly to make the first digit to with digit. Samsung Electronics 4-13...
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Low Temp button. example) 021E311422852A311439421F Result) If 4 displays, go to step 23. Step 23 Method) Input the 22th digit by pressing the High Fan button. example) 021E311422852A311439421F Result) If 2 displays, go to step 24. 4-14 Samsung Electronics...
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Option code will be input.(Check the option code correctly. At the time, if the same error continues to occur, the option code is out of input range. Check the option code again and repeat the step 1~26. Samsung Electronics 4-15...
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Option code will be input.(Check the option code rear side correctly. At the time, if the same error continues to occur, the option code is out of input range. Check the option code again and repeat the step 1~26. 4-16 Samsung Electronics...
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 4-18 Samsung Electronics...
Wrong setting Check DIP SW in the Set DIP SW correctly wired remote controller. Correct �es Is there any error display on Check each item according to error code list the wired remote controller Check the setting temperature Samsung Electronics 4-19...
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#1 and #3 Are wire and socket connected correctly? CN05,06,07 TAB terminal(EMI PCB), Check and correct the wiring Error 469 display Error 469 display (Table No.19) (Table No.19) CN20(INVERTER PCB) �es Check the M/C 4-20 Samsung Electronics...
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Exchange INVERTER PCB making manual rotation slowly? Is the Pin voltage #7 - #3 of CN40 and Exchange the FAN motor 41 low(0-1V) in normal rotation? �es Exchange INVERTER PCB Samsung Electronics 4-21...
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Does the compressor rotate normally? Exchange the compressor �es Are the service valves full opened? Open valve screw to the end. �es Is AC power voltage normal during the Check AC power source compressor in operation? �es Exchange INVERTER PCB 4-22 Samsung Electronics...
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4-WA� valve coil error of 4-WA� valve coil. Dose the voltage of AC220V Exchange apply to the connector of 4-WA� the outdoor PCB. valve coil during the operation? �es Go to the next page 4-WA� valve main body error Samsung Electronics 4-23...
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�es Check the resistance value Outdoor fan error of outdoor fan. Dose the voltage of DC300V �es apply to the connector of outdoor Check the motor wire. fan during the operation of outdoor unit? Outdoor PCB error 4-24 Samsung Electronics...
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Exchange the sensor. (Refer to the R/T TABLE) �es Is the resistance value of sensor connection pull_up 18K? Exchange the PCB. �es Exchange the PCB. Normal operation Exit 400.0 350.0 300.0 250.0 200.0 150.0 100.0 50.0 Samsung Electronics 4-25...
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Exchange the sensor. (Refer to the R/T TABLE) �es Is the resistance value of sensor connection pull_up 24K? Exchange the PCB. �es Exchange the PCB. Normal operation Exit 600.0 500.0 400.0 300.0 200.0 100.0 4-26 Samsung Electronics...
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Exchange the sensor. (Refer to the R/T TABLE) �es Is the resistance value of sensor connection pull_up 18.2K? Exchange the PCB. �es Exchange the PCB. Normal operation Exit 400.0 350.0 300.0 250.0 200.0 150.0 100.0 50.0 Samsung Electronics 4-27...
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2. Troubleshooting procedure Remove the Fan lock. Isn't the Fan locked? �es Is the connector connected correctly? Connect the connector. �es Is the color of Fan wire matched correctly? Exchange the Fan. �es Exchange the PCB. Normal operation Exit 4-28 Samsung Electronics...
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2) Are Relay R�21 and R200 on the INVERTER PCB mounted normally? 2. Troubleshooting procedure Are connection of the wire from INVERTER PBA to Check and correct the wire connection EMI PBA normal? �es Exchange INVERTER PCB Samsung Electronics 4-29...
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Exchange the compressor compressor terminal and body normal? �es Does the compressor rotate normally? Exchange the compressor �es �es Did AC power voltage interruption happen Check AC power source during the compressor in operation? Exchange INVERTER PCB 4-30 Samsung Electronics...
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Terminate the service. occurred again? �es Isn't the power cable and Correct the wrong wiring. communication cable wiring error? �es Is the connection of Correct the connection of communication cable normal? communication cable. �es Exchange the outdoor unit PCB. Samsung Electronics 4-31...
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Exchange the compressor. compressor(u↔v, v↔w, w↔u) normal? �es Is the compressor body and Exchange the compressor. interphase resistance insulated? �es Is the connection cable for the Correct the cable connection. compressor and power terminal normal? �es Exchange the PCB. 4-32 Samsung Electronics...
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Exchange the compressor. compressor(u↔v, v↔w, w↔u) normal? �es Is the compressor body and Exchange the compressor. interphase resistance insulated? �es Is the connection cable for the Correct the cable connection. compressor and power terminal normal? �es Exchange the PCB. Samsung Electronics 4-33...
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Is each contact resistance normal? Exchange M/C (less than 0.1ohm) �es �es Does the error reappear frequently Exchange INVERTER PCB The cause of this error may be power source trouble as like power interruption. Check the power source. 4-34 Samsung Electronics...
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4-5-16 The others 1. Capacity miss match – Check again the indoor unit option code. Samsung Electronics 4-35...
FAN operation checking 1) Is the FAN motor running? • Controller trouble inside of the fan motor Press the ON/OFF button. 2) Is the connection of CN73 normal? • connector trouble of CN73 1. FAN Speed[HIGH] 2. FAN mode 4-36 Samsung Electronics...
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D101 upper side pin of '~' marking pins INVERTER PCB 2) Is DC Link voltage 450-510V? Check IGBT module pins marking voltage near C701 Check BLDC fan 1) See 12-2-3 The Outdoor unit Fan error(Fault Diagnosis) Samsung Electronics 4-37...
BLUE - BLACK 10KΩ ~ 50KΩ pulse ORANGE - BLACK 10KΩ ~ 50KΩ reverse Abnormal 0Ω...Open or Short Outdoor Unit 4way Valve Solenoid Measure resistance with a multimeter Normal At the normal temperature(10˚C~30˚C) 1.6KΩ±15% ∞,0Ω...Open or Short Abnormal 4-38 Samsung Electronics...
Power in step motor Display operation check Micon download SUB PCB connector Wire Remote Controller Power Indoor/Outdoor Communication BLDC MOTOR Wired Remote Controller Communication Thermistor Discharge EVA out sensor Indoor Pipe in Temperature Sensor Indoor Room Temperature Sensor Samsung Electronics...
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#3: TXD_4WA Y Operating #5: L phase #5: 12V, #6: INV_SMPS_RELAY Signal #7: N phase #7: Not used ⑨ CN90(4PIN/WHT): DI SPLAY ⑩ CN91(10PIN/WHT): DISPLAY #1~4: RXD_Operating Signal #1~7: 7-SEGMENT of MAIN PCB #8~10: TXD_KEY INPUT S IGNA L Samsung Electronics...
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#6 : FAN FG ④ ⑤ ⑥ CN30(6P/WHT)-EEV CN20(4P/WHT)-DISPLAY CN21(10P/WHT)-DISPLAY #1~4 : RECEIVE SIGNAL FROM THE MAIN #1~7 : 7-SEGMENT SIGNAL #8~10 : RECEIVE KE� OPERATION SIGNALS FROM THE MAIN ⑦ ⑧ CN01(2PIN/BLU)-12V REACTOR1,2(TAB)-REACTOR #1 : 12V #2 : GND Samsung Electronics...
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⑦ N2(TAB/WHT) ⑧ N1(SKYBLU) #1: N phase POWER of L phase POWER of N phase POWER of N phase POWER to M/C MAIN PBA INVERTER PBA INVERTER PBA #2: Not used #3: L phase POWER of MAIN PBA Samsung Electronics...
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Product Specifications ■ OUTDOOR EMI PCB(UH070EAV1) Cont. ① ② L(TAB)-POWER N(TAB)-POWER AC(L) AC(N) Samsung Electronics...
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#6: FAN FG #7: DATA_DAC, #8: #7: FAN Backlash Sensing ⑤ CN72(2IPN/WHT): IPM ⑦ CN71(3PIN/BLU) TEMP ⑥ CN22(2PIN/WHT) #1: 12V #1: TXD_IPM TEMP #1: L phase IN SIGNAL #2: N phase IN INV_SMPS_RELAY #2: GND #3: Not used Samsung Electronics...
7. Wiring Diagram ���� ��� ����� ����� ������ ���������� ��� ����� ���� ���������� ������� ���� ������ ����� ������� ���� ����� ���� ��� ����� ������� ������ This Document can not be used without Samsung’s authorization. Samsung Electronics...
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ADDRESS & OPTION SWITCH SET PART LOADING PART DISPLA� PCB PART BLDC FAN MOTOR CONTROL PART LOUVER CONTROL PART 485 COMMUNICATION PART EEV & SUB-PCB PART EXTERNAL CONTROL PART TEMPERATURE SENSOR PART This Document can not be used without Samsung’s authorization. Samsung Electronics...
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8-2 Outdoor Unit ■ MAIN PCB(UH090/105/140EAV) ���� ����� ������ ����� ������ ��� ������������� ��� ������ ��� ������ �������� ����� �� � ����� ��� � ��� ���� This Document can not be used without Samsung’s authorization. Samsung Electronics...
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���� ������ ���� ���� ����� ������ ������������� ������ �� ���������� ������ ��� ����� ������ TEMPERATURE SENSOR & EEV PART DISPLA� PART SMPS PART INVERTER PART COMMUNICATION PART PFC PART This Document can not be used without Samsung’s authorization. Samsung Electronics...
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■ INVERTER PCB ���� ��� ����������� �� ���� ���� ����� ������ �� ���� ����� ������ ����� ��� ������ �������� ������ This Document can not be used without Samsung’s authorization. Samsung Electronics...
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■ EMI PCB(UH090/105/140EAV) �������� ����� This Document can not be used without Samsung’s authorization. Samsung Electronics...
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Product Specifications ■ EMI PCB(UH070EAV1) This Document can not be used without Samsung’s authorization. Samsung Electronics...
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9. Preference Sheet 9-1 Refrigerating Cycle Diagram Indoor Unit Outdoor Unit Samsung Electronics...
SYSTEM AIR CONDITIONER Basic : CH140EAV/UH140GAV Model : CH070EAV1/CH090/105/140EAV UH070EAV1/UH090/105/140EAV Model Code : CH070EAV1/CH090/105/140EAV UH070EAV1/UH090/105/140EAV AIR CONDITIONER THE FEATURE OF PRODUCT 1. Precautions 2. Product Specifi cations 3. Disassembly and Reassembly 4. Troubleshooting 5. Exploded Views and Parts List CH070EAV1/CH090/105/140EAV 6.