Gree KPA07B5D Service Manual
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Gree KPA07B5D Service Manual

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Service Manual
GREE ELECTRIC APPLIANCES, INC. OF ZHUHAI

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Summary of Contents for Gree KPA07B5D

  • Page 1 Service Manual GREE ELECTRIC APPLIANCES, INC. OF ZHUHAI...

  • Page 2: Table Of Contents

    Table of Contents Service Manual Part Ⅰ : Technical Information ........1 1. Summary ................. 1 2. Specifications ............... 2 3. Outline Dimension Diagram ......... 24 4. Refrigerant System Diagram ....... 25 5. Electrical Part ............. 26 5.1 Wiring Diagram ..................26 5.2 PCB Printed Diagram ................
  • Page 3 1. Summary Service Manual Models: Model list: Model Product Code KPA07B5D CC060062400 KPA09B5D CC060061800 KPA12B5D CC060062500 KPA15B5D CC060061900 KPE07B5D CC060061700 KPE09B5D CC060061600 KPE12B5D CC060062300 KPE15B5D CC060061500 KPA07B5P CC060062200 KPA09B5P CC060063200 KPA12B5P CC060062800 KPA15B5P CC060062900 KPE07B5P CC060062000 KPE09B5P CC060062100 KPE12B5P CC060062600...
  • Page 4 Service Manual Model KPE07B5D KPA07B5D Product Code CC060061700 CC060062400 Rated Voltage 230/208 230/208 Power Rated Frequency Supply Phases Cooling Capacity Btu/h 7400/7200 7200/7000 Heating Capacity Btu/h 6000/5800 Cooling Power Input 560/540 550/540 Heating Power Input 490/470 Electric Heating Power Input...
  • Page 5 Service Manual ZHUHAI LANDA ZHUHAI LANDA Compressor Manufacturer COMPRESSORCO.,LTD COMPRESSORCO.,LTD Compressor Model QXF-A056rD130 QXF-A056rD130 Compressor Oil FW68DA or equivalent FW68DA or equivalent Compressor Type Rotary Rotary Compressor LRA. Compressor RLA 2.16 2.16 Compressor Power Input Compressor Overload Protector UP3-042 UP3-042 Throttling Method Capillary Capillary...
  • Page 6 Service Manual Model KPA07B5P KPE07B5P Product Code CC060062200 CC060062000 Rated Voltage Power Rated Frequency Supply Phases Cooling Capacity Btu/h 7300 7500 Heating Capacity Btu/h 6000 Cooling Power Input Heating Power Input Cooling Power Current Heating Power Current Cooling:745 heating:565 Cooling:745 Rated Input Electric Heating:3500/2500 Electric Heating:3500/2500...
  • Page 7 Service Manual Electric Heater Power Input 3450/2450 3450/2450 Electric Heater Power 13.1/9.3 13.1/9.3 Current Fan Type Cross-flow Cross-flow Diameter Length(DXL) 121×706 121×706 Cooling Speed r/min 1000/890 1000/890 Heating Speed r/min 1000/890 1000/890 Fan Motor Power Output Fan Motor RLA 0.14 0.14 Fan Motor Capacitor μF...
  • Page 8 Service Manual Model KPE09B5D KPA09B5D Product Code CC060058900 CC060059200 Rated Voltage 230/208 230/208 Power Rated Frequency Supply Phases Cooling Capacity Btu/h 10200/9900 9700/9400 Heating Capacity Btu/h 8500/8200 Cooling Power Input 810/790 800/780 Heating Power Input 690/670 Electric Heating Power Input 5050/4130,3500/2860,2500/2040 5050/4130,3500/2860,2500/2040 Cooling Current Input 3.6/3.9...
  • Page 9 Service Manual ZHUHAI LANDA ZHUHAI LANDA Compressor Manufacturer COMPRESSORCO.,LTD COMPRESSORCO.,LTD Compressor Model QXF-B100rT130 QXF-A078rD130 Compressor Oil 68SL or equivalent 68SL or equivalent Compressor Type Rotary Rotary Compressor LRA. Compressor RLA Compressor Power Input Compressor Overload Protector HPA-318 HPA-318 Throttling Method Capillary Capillary Set Temperature Range...
  • Page 10 Service Manual Model KPE09B5P KPA09B5P Product Code CC060059700 CC060059800 Rated Voltage Power Rated Frequency Supply Phases Cooling Capacity Btu/h 10000 9800 Heating Capacity Btu/h 8600 Cooling Power Input Heating Power Input Electric Heating Power Input 5050/3500/2500 5050/3500/2500 Cooling Current Input Heating Current Input Electric Heating Current Input 19.1/13.3/9.5...
  • Page 11 Service Manual ZHUHAI LANDA ZHUHAI LANDA Compressor Manufacturer COMPRESSORCO.,LTD COMPRESSORCO.,LTD Compressor Model QXF-A078yD130 QXF-A078yD130 Compressor Oil FW68DA or equivalent 68SL or equivalent Compressor Type Rotary Rotary Compressor LRA. Compressor RLA Compressor Power Input Compressor Overload Protector HPA-512 HPA-512 Throttling Method Capillary Capillary Set Temperature Range...
  • Page 12 Service Manual Model KPE12B5D KPA12B5D Product Code CC060059000 CC060059100 Rated Voltage 230/208 230/208 Power Rated Frequency Supply Phases Cooling Capacity Btu/h 12300/12100 12100/11900 Heating Capacity Btu/h 10900/10700 Cooling Power Input 1060/1020 1040/1000 Heating Power Input 940/900 Electric Heating Power Input 5050/4130,3500/2860,2500/2040 5050/4130,3500/2860,2500/2040 Cooling Current Input 4.7/5.0...
  • Page 13 Service Manual ZHUHAI LANDA ZHUHAI LANDA Compressor Manufacturer COMPRESSORCO.,LTD COMPRESSORCO.,LTD Compressor Model QXF-B100rT130 QXF-B100rT130 Compressor Oil FW68DA or equivalent FW68DA or equivalent Compressor Type Rotary Rotary Compressor LRA. Compressor RLA Compressor Power Input Compressor Overload Protector HPA-425 HPA-425 Throttling Method Capillary Capillary Set Temperature Range...
  • Page 14 Service Manual Model KPE12B5P KPA12B5P Product Code CC060060000 CC060059900 Rated Voltage Power Rated Frequency Supply Phases Cooling Capacity Btu/h 12300 12000 Heating Capacity Btu/h 10900 Cooling Power Input 1060 1030 Heating Power Input Electric Heating Power Input 5050/3500/2500 5050/3500/2500 Cooling Current Input Heating Current Input Electric Heating Current Input 19.1/13.3/9.5...
  • Page 15 Service Manual ZHUHAI LANDA ZHUHAI LANDA Compressor Manufacturer COMPRESSORCO.,LTD COMPRESSORCO.,LTD Compressor Model QXF-B100yT130 QXF-B100yT130 Compressor Oil FW68DA or equivalent FW68DA or equivalent Compressor Type Rotary Rotary Compressor LRA. Compressor RLA Compressor Power Input Compressor Overload Protector HPA-518 HPA-518 Throttling Method Capillary Capillary Set Temperature Range...
  • Page 16 Service Manual Model KPE15B5D KPA15B5D Product Code CC060059600 CC060059500 Rated Voltage 230/208 230/208 Power Rated Frequency Supply Phases Cooling Capacity Btu/h 14700/14300 14500/14300 Heating Capacity Btu/h 13700/13500 Cooling Power Input 1390/1350 1390/1350 Heating Power Input 1290/1250 Electric Heating Power Input 5050/4130,3500/2860,2500/2040 5050/4130,3500/2860,2500/2040 Cooling Current Input 6.0/6.5...
  • Page 17 Service Manual ZHUHAI LANDA ZHUHAI LANDA Compressor Manufacturer COMPRESSORCO.,LTD COMPRESSORCO.,LTD Compressor Model QXF-B100rT130 QXF-B129rT130 Compressor Oil FW68DA or equivalent FW68DA or equivalent Compressor Type Rotary Rotary Compressor LRA. 35.2 35.2 Compressor RLA Compressor Power Input 1180 1180 Compressor Overload Protector HPA-425 HPA-535L Throttling Method...
  • Page 18 Service Manual Model KPE15B5P KPA15B5P Product Code CC060059300 CC060059400 Rated Voltage Power Rated Frequency Supply Phases Cooling Capacity Btu/h 14800 14500 Heating Capacity Btu/h 13300 Cooling Power Input 1400 1390 Heating Power Input 1250 Electric Heating Power Input 5050/3500/2500 5050/3500/2500 Cooling Current Input Heating Current Input Electric Heating Current Input...
  • Page 19 Service Manual ZHUHAI LANDA ZHUHAI LANDA Compressor Manufacturer COMPRESSORCO.,LTD COMPRESSORCO.,LTD Compressor Model QXF-B129yT130 QXF-B129yT130 Compressor Oil FW68DA or equivalent FW68DA or equivalent Compressor Type Rotary Rotary Compressor LRA. Compressor RLA Compressor Power Input 1120 1120 Compressor Overload Protector HPA-422H HPA-422H Throttling Method Capillary Capillary...

  • Page 20: Outline Dimension Diagram

    3. Outline Dimension Diagram Service Manual 21 11/32 Unit:inch Technical Information...

  • Page 21: Refrigerant System Diagram

    4. Refrigerant System Diagram Service Manual (1) Cooling + Heat Pump + Auxiliary Electric Heater CENTRIFUGAL AXIAL FAN OR CROSS FAN COOLED AIR HOT DISCHARGED AIR HOT AIR COOLED AIR COMPRESSOR INDOOR COILS OUTDOOR COILS ELECTRIC HEATER CAPILLARY NOTES: COOLING MODE REFRIGERANT FLOW DIRECTION HEATING MODE (2) Cooling + Electric Heater...

  • Page 22: Electrical Part

    5. Electrical Part Service Manual 5.1 Wiring Diagram ●Instruction Symbol Symbol Color Symbol Symbol Color Symbol Name White Green Jumper cap Yellow Brown COMP Compressor Blue Grounding wire YEGN Yellow/Green Black Violet Orange Note: Jumper cap is used to determine fan speed and the swing angle of horizontal lover for this model. ●...
  • Page 23 Service Manual KPA07B5D Circuit diagram: POWER L1(L) L2(N) (OPTIONAL) GN(YEGN) JUMP1 (OPTIONAL) PLUG SUBBASE JUMP2 (FOR 265V UNIT) B1 B2 B3 A1 A2 A3 A1 A2 A3 B1 B2 B3 OPTIONAL RECEIVER θ θ θ θ COMP. COMP COMP AC-L...
  • Page 24 Service Manual KPA09B5D KPA09B5P KPA12B5D KPA12B5P KPA15B5D KPA15B5P Circuit diagram: POWER L1(L) L2(N) (OPTIONAL) GN(YEGN) JUMP1 (OPTIONAL) PLUG SUBBASE JUMP2 (FOR 265V UNIT) B1 B2 B3 A1 A2 A3 B1 B2 B3 A1 A2 A3 OPTIONAL RECEIVER θ θ θ θ...
  • Page 25 Service Manual KPE09B5P KPE09B5D KPE12B5D KPE12B5P KPE15B5D KPE15B5P Circuit diagram: POWER L1(L) L2(N) (OPTIONAL) GN(YEGN) JUMP1 (OPTIONAL) PLUG SUBBASE JUMP2 (FOR 265V UNIT) B2 B3 A1 A2 A3 B1 B2 B3 OPTIONAL RECEIVER θ θ θ θ COMP. COMP COMP AC-L DISP1 CN10 I-HEAT-3...

  • Page 26: Pcb Printed Diagram

    Service Manual 5.2 PCB Printed Diagram 5.2.1 Silk screen on main board 1 Name Name Terminal of wifi(reserved) Terminal of display board Terminal of swing motor(reserved) Connection terminal 1 with hi-volt PCB Terminal of device Connection terminal 2 with hi-volt PCB inspection(reserved) Terminal of temperature sensor Terminal of wired controller...
  • Page 27 Service Manual 5.2.2 Silk screen on main board 2 Name Name Neutral wire interface Needle stand for indoor fan Transformer AC input Transformer AC output（12V） Neutral wire interface Terminal of main board Four-way valve terminal Control needle stand of relay Terminal of outdoor fan(High -end) Terminal of main board Terminal of outdoor fan(Low -end)

  • Page 28: Function And Control

    6. Function and Control Service Manual 6.1 Introduction of Control Pane 4. Sleep function: This function can be set only by remote controller. This mode will bring a more comfortable sleeping 1.Summary environment. Please contact customer service center or refer to When the unit is turned on,power indicator is displayed in the service manual for more details.
  • Page 29 Service Manual wired controller is connected, fan speed follows the command of Malfunction of temperat- Dual-8 nixie tube displays ure sensor at air outlet “FJ” wired controller. The controller will control if the fan shall operate Low temperature preven- Dual-8 nixie tube displays or not).

  • Page 30: Function Introduction

    Service Manual 6.2 Function Introduction 2.Heating mode Under heating mode, heating mode LED and set fan speed LED is on. Dual 8 displays set temperature. If select displaying ambient 1.Cooling mode temperature in additional function setting, the dual 8 will display as Under cooling mode, cooling mode indicator is on and the set fan the display way described in this mode.
  • Page 31 Service Manual When entering auto fan speed mode, it will operate according to ④ Turn on the unit after EM turns off unit auto high speed. ⑤ Adjust the set temperature by ▲ button or ▼ button Note: a. Under auto fan speed control in any mode, there will be Quitting configuration mode: The configuration modes mentioned a delay of 3.5min in minimum when switching the speed of indoor above will be quitted when mode button is pressed or no button is...
  • Page 32 Service Manual Table5(1)—DIP SWITCH FUNCTIONS This function is only available for heat pump units. DOWN REMARKS DEFAULT Wall Thermostat Enable Electric Heat Only Heat Pump For Heat Pump Unit Only DOWN A wired wall thermostat can be connected to the unit. If it is, this Wall Thermostat Control Panel Enable DOWN...

  • Page 33: Part Ⅱ : Installation And Maintenance

    7. Notes for Installation and Maintenance Service Manual Safety Precautions:Important! 11. Check if there is electric leakage on the unit body. If yes, please eliminate the electric leakage. 12. Replace the fuse with a new one of the same speci- fication if it is burnt down;...
  • Page 34 Service Manual Installation notes Safety Precautions for Refrigerant ●To realize the function of the air conditioner unit, a special ●The air conditioner is not allowed to use in a room that refrigerant circulates in the system. The used refrigerant is has running fire (such as fire source,working coal gas ware, the fluoride R32,which is specially cleaned.
  • Page 35 Service Manual a. Shut down the unit and cut power supply b. Eliminate the refrigerant c. Vacuuming d. Clean it with N e. Cutting or welding f. Carry back to the service spot for welding ●Make sure that there isnt any naked flame near the outlet of the vacuum pump and its well-ventilated.

  • Page 36: Installation

    8. Installation Service Manual Main Tools for Installation and Maintenance Inner hexagon Screw driver Open-end wrench Electroprobe spanner Electronic Vacuum pump Pressure meter Universal meter leakage detector Soldering appliance Refrigerant container Installation and Maintenance...
  • Page 37 GREE or Carrier sleeve is used with an existing non-GE grille. Discharge grille Use of a GREE or Carrier wall sleeve with a non-GE grille requires installation of an Accessory Baffle Kit,which ensures a good seal Accessory between the unit and exterior grille to prevent air recirculation.
  • Page 38 Service Manual INSTALL UNIT INTO WALL SLEEVE 1.Carefully remove shipping tape from the front panel and vent door. 2.Remove shipping screw from the vent door,if present. 3.Remove front panel. Pull out at the bottom to release it from the tabs(1).Then lift up (2). 4.Lift unit level and slide unit into wall sleeve until foam seal rests firmly against front of wall sleeve.

  • Page 39: Maintenance

    9. Maintenance Service Manual 9.1 Error Code Display method of indoor unit (dial-8 code) Indicator display Series Malfunction AC status Possible causes Status code name Code Operation Cooling Heating indicator indicator code code (PTAC) Room temperature sensor is Room Cool/fan/dry: indoor fan not connected well;...
  • Page 40 Service Manual Display method of indoor unit (dial-8 code) Indicator display Series Malfunction AC status Possible causes Status code name Code Operation Cooling Heating indicator indicator code code (PTAC) 1. Heat exchanger is too dirty or the air outlet/air inlet is blocked; 2.
  • Page 41 Service Manual Display method of indoor unit (dial-8 code) Indicator display Series Malfunction AC status Possible causes Status code name Code Operation Cooling Heating indicator indicator code code (PTAC) 1. The control board hasn't been installed with the jumper cap; 2.

  • Page 42: Procedure Of Troubleshooting

    Service Manual 9.2 Procedure of Troubleshooting 1. Troubleshooting for temperature sensor F1 F2 F3 F4 FJ Main check points: (1) connection terminal (2)temperature sensor (3) main board Detection procedure in details is as below : Start the troubleshooting for temperature sensor malfunction Check whether the connection Insert the temperature...
  • Page 43 Service Manual 2. Troubleshooting for refrigerant insufficient protection F0 Main check points: (1) compressor (2) refrigerant (3) filth blockage of air inlet/outlet, heat exchanger or system (4) main board Detection procedure in details is as below : Start the troubleshooting for refrigerant insufficient protection Clean the heat exchanger...
  • Page 44 Service Manual 3. Troubleshooting for overload protection Main check points: (1) compressor (2) refrigerant (3) filth blockage for air inlet/outlet, heat exchanger or system (4) fan (5) main board Detection procedure in details is as below : Start the troubleshooting for the overload protection Clean the heat exchanger and Heat exchanger is too dirty or...
  • Page 45 Service Manual 4. Troubleshooting for overcurrent protection of compressor E5 Main check points: (1) compressor (2) refrigerant (3) filth blockage for air inlet/outlet, heat exchanger or system (4) fan (5) main board Detection procedure in details is as below : Start the troubleshooting for the overcurrent protection of compressor...
  • Page 46 Service Manual 5. Malfunction of replay A2 Main check points: (1) wiring diagram (2) main board Start the troubleshooting for the malfunction of relay Check whether the wires are connected Put through the power or inserted normally? and then test it Is malfunction eliminated? Connect and insert wires again according to...
  • Page 47 Service Manual 6. Malfunction of unbalanced current (PTAC) U5 Main check points: (1) Wiring diagram (2) Main board Inspection procedure in details is as below: Start the troubleshooting for the unbalanced current Check whether the wires are Put through the power connected or inserted normally? and then test it Is malfunction...
  • Page 48 Service Manual 7. Combination method of electric heating is not correct A0 Main check points: (1) wiring diagram (2) main board (3) power cord Detection procedure in details is as below: Start the troubleshooting for the incorrect combination of electric heating Check whether the wires are connected Put through the power and...
  • Page 49 Service Manual 8. Operation current of electric heater is abnormal A4 Main check points: (1) Wiring diagram (2) main board (3) electric heater Detection procedure in details is as below: Start the troubleshooting of abnormal operation current of electric heater Put through the power and Check whether the wires are connected or then test it...
  • Page 50 Service Manual 9. Circuit of temperature limiter is broken Main check points: (1) wiring diagram (2) main board (3) electric heater Start the troubleshooting for the broken circuit of temperature limiter Check whether the wires are inserted or Put through the power and connected normally? then test it Is malfunction...

  • Page 51: Malfunction Analysis

    Service Manual 9.3 Malfunction Analysis Check if switch is in off position, if socket and plug is disconnected, and check if power supply failed or No power supply cut off. Replace fuse Fuse burn-out Power voltage is too low Check power voltage. If it is 10% below rated voltage ,inspect and repair line Check if option switch (ON, OFF) is disconnected with line, has mechanical failure;use universal...
  • Page 52 Service Manual Check leakage,carryout vacuum-pumping after Insufficiency or leakage of refrigerant repairing leakageand chargerefrigerant according to requirements. Observe the condensation condition of evaporator orthe reading of high pressure meter to judge if Blockage in cooling system thesystem is blocked; deal with the system accordingly Excess refrigerant Charge excess refrigerant in the system Replace it with a new compressor...
  • Page 53 Service Manual Shortage or too much of refrigerant Adjust the volume of refrigerant The capillary is block and the sucking temperature Change capillary is increased. Protector is activated due to too overheat Compressor does not run, jammed or blocked, of compressor. Change compressor and the discharge valve is damaged.

  • Page 54: Troubleshooting For Normal Malfunction

    Service Manual 9.4 Troubleshooting for Normal Malfunction 1. Air Conditioner Can't be Started Up Possible Causes Discriminating Method (Air conditioner Status) Troubleshooting Confirm whether its due to power failure. If yes, No power supply, or poor connection After energization, operation indicator isn't bright wait for power recovery.
  • Page 55 Service Manual 4. ODU Fan Motor Can't Operate Possible causes Discriminating method (air conditioner status) Troubleshooting Wrong wire connection, or poor Check the wiring status according to circuit Connect wires according to wiring diagram to make connection diagram sure all wiring terminals are connected firmly Measure the capacity of fan capacitor with an Capacity of the ODU fan motor is universal meter and find that the capacity is out of...

  • Page 56: Exploded View And Parts List

    10. Exploded View and Parts List Service Manual Cooling + Heat Pump + Auxiliary Electric Heater models 50 51 The component is only for reference;please refer to the actual product. Installation and Maintenance...
  • Page 57 Service Manual Description Description Temp Sensor Sleeving Temperature Sensor Temperature Sensor Air Flue Assy Condenser Assy Heater Wiring Block Board Axial Flow Fan Cross Flow Fan Fan Motor Motor Support Sub-Assy Connection Board Retaining Plate of Condenser Diversion Circle Fan Motor Flow Guide Loop Clapboard Top Cover Sub-Assy...
  • Page 58 Service Manual Cooling + Electric Heater models The component is only for reference;please refer to the actual product. Installation and Maintenance...
  • Page 59 Service Manual Description Description Temp Sensor Sleeving Temperature Sensor Temperature Sensor Air Flue Assy Condenser Assy Heater Wiring Block Board Axial Flow Fan Cross Flow Fan Fan Motor Motor Support Sub-Assy Connection Board Retaining Plate of Condenser Diversion Circle Fan Motor Flow Guide Loop Clapboard Top Cover Sub-Assy...
  • Page 60 11. Removal Procedure Service Manual Caution: pull out the power,discharge the Note: Take heat pump+electric heating unit as example for the refrigerant completely before removal. disassemly; cooling only+electric heating is a little different Step Procedure Remove panel filter Hold front end of filter with hand and then pull the filter upwards to remove it.
  • Page 61 Service Manual Step Procedure Screws Remove 6 screws fixing the grille and then remove the grille. grille 2.Remove left and right brackets and guard board left bracket Remove 3 screws fixing left bracket and then remove the left bracket. Screws right bracket Remove 3 screws fixing right bracket and then remove the...
  • Page 62 Service Manual Step Procedure middle connection Screws 3.Remove middle connection board board middle connection board Remove 4 screws fixing the middle connection board and then remove the middle connection board. 4.Remove guard net Screws guard net Remove 6 screws fixing the guard net and then remove the guard net.
  • Page 63 Service Manual Step Procedure control cover 6.Remove electric box plate Remove one screw fixing the control cover plate, pull out the wiring terminal connecting control cover plate and electric box and then remove the control cover plate. Screws display board Remove 5 screws fixing display board and then remove the display board.
  • Page 64 Service Manual Step Procedure right side baffle plate of electric box Remove screws fixing right side baffle plate of electric box and then remove the right side baffle plate of electric box. Screws right side plate Screws of electric box (1) Remove screws fixing right side plate of electric box and then remove the right side plate of electric box.
  • Page 65 Service Manual Step Procedure middle connection cable cross 7.Remove middle connection board Screws board plate Remove 7 screws fixing the middle connection board and then remove the middle connection board. Remove one screw fixing the cable cross plate and then remove the cable cross plate.
  • Page 66 Service Manual Step Procedure 10.Remove guide loop sub-assy guide loop sub-assy Screws Remove screws fixing the guide loop subassy,and then pull the guide loop upwards to remove it. 11.Remove axial flow Remove nuts fixing axial flow blade and then pull the axial flow blade outwards to remove it.
  • Page 67 Service Manual Step Procedure 13.Remove air duct sub-assy Screws air duct sub-assy Remove 4 screws fixing the air duct sub-assy and then remove the air duct sub-assy. Screws 14.Remove evaporator condenser Remove 3 screws fixing condenser and then pull the condenser upwards to remove it.
  • Page 68 Service Manual Step Procedure 15.Remove propeller housing Screws propeller housing Remove 4 screws fixing the propeller housing and then remove the propeller housing. Screws 16.Remove blade end cap sub-assy Screws Remove 3 screws fixing the blade end cap sub-assy and then remove the Blade end cap sub-assy.
  • Page 69 Service Manual Step Procedure Screws 17.Remove cross flow blade cross flow Remove one screw fixing cross flow blade and then remove the cross flow blade. 18.Remove indoor motor Screws motor Remove 4 screws fixing motor and then remove the motor. 19.Remove motor support and electric heater motor support Screws...
  • Page 70 Service Manual Step Procedure Screws electric heater Remove screws fixing electric heater,and then pull the Screws electric heater vertically to remove it. right side plate 20.Remove left side plate and right side plate left side plate Screws Screws Remove screws fixing left side plate and right side plate,and then remove the left side plate and right side plate.

  • Page 71: Appendix

    Appendix: Service Manual Appendix 1: Reference Sheet of Celsius and Fahrenheit Conversion formula for Fahrenheit degree and Celsius degree: Tf=Tcx1.8+32 Set temperature Fahrenheit display Fahrenheit Celsius Fahrenheit display Fahrenheit Celsius Fahrenheit display Fahrenheit Celsius temperature（℉） temperature（℉） temperature（℉） （℉） （℃） （℉） （℃）...

  • Page 72: Appendix 2: List Of Resistance For Temperature Sensor

    Service Manual Appendix 2: List of Resistance for Temperature Sensor Resistance Table of Ambient Temperature Sensor (15K) Temp(°C) Resistance(kΩ) Temp(°C) Resistance(kΩ) Temp(°C) Resistance(kΩ) Temp(°C) Resistance(kΩ) 138.1 18.75 3.848 1.071 128.6 17.93 3.711 1.039 121.6 17.14 3.579 1.009 16.39 3.454 0.98 108.7 15.68 3.333...
  • Page 73 Service Manual Resistance Table of Ambient Temperature Sensor (20K) Temp(°C) Resistance(kΩ) Temp(°C) Resistance(kΩ) Temp(°C) Resistance(kΩ) Temp(°C) Resistance(kΩ) 181.4 25.01 5.13 1.427 171.4 23.9 4.948 1.386 162.1 22.85 4.773 1.346 153.3 21.85 4.605 1.307 20.9 4.443 1.269 137.2 4.289 1.233 129.9 19.14 4.14 1.198...
  • Page 74 Service Manual Resistance Table of Ambient Temperature Sensor (50K) Temp(°C) Resistance(kΩ) Temp(°C) Resistance(kΩ) Temp(°C) Resistance(kΩ) Temp(°C) Resistance(kΩ) 853.5 18.34 4.75 799.8 93.42 17.65 4.61 89.07 16.99 4.47 703.8 84.95 16.36 4.33 660.8 81.05 15.75 4.20 620.8 77.35 15.17 4.08 580.6 73.83 14.62 3.96...
  • Page 75 GREE ELECTRIC APPLIANCES, INC. OF ZHUHAI For product improvement, specifications and appearance in this manual are subject to change without prior notice.

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