Gree GWH09QB-K3DNA1G Service Manual Download Page 1

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GREE ELECTRIC APPLIANCES,INC.OF ZHUHAI

Change for Life

Service Manual

Models: GWH09QB-K3DNA1G

GWH09QB-K3DNA2G
GWH09QB-K3DNA5G
GWH09QB-K3DNB2G
GWH09QB-K3DNB4G
GWH09QB-K3DNB6G
GWH12QC-K3DNA1G
GWH12QC-K3DNA2G
GWH12QC-K3DNA5G
GWH12QC-K3DNB2G

GWH12QC-K3DNB4G
GWH12QC-K3DNB6G
(Refrigerant R410A)

Summary of Contents for GWH09QB-K3DNA1G

Page 1: ...nge for Life Service Manual Models GWH09QB K3DNA1G GWH09QB K3DNA2G GWH09QB K3DNA5G GWH09QB K3DNB2G GWH09QB K3DNB4G GWH09QB K3DNB6G GWH12QC K3DNA1G GWH12QC K3DNA2G GWH12QC K3DNA5G GWH12QC K3DNB2G GWH12QC K3DNB4G GWH12QC K3DNB6G Refrigerant R410A ...

Page 2: ...l Part 15 5 1 Wiring Diagram 15 5 2 PCB Printed Diagram 18 6 Function and Control 20 6 1 Remote Controller Introduction 20 6 2 Brief Description of Modes and Functions 24 Part Ⅱ Installation and Maintenance 28 7 Notes for Installation and Maintenance 28 8 Installation 30 8 1 Installation Dimension Diagram 30 8 2 Installation Parts checking 32 8 3 Selection of Installation Location 32 8 4 Electric ...

Page 3: ... 10 1 Indoor Unit 61 10 2 Outdoor Unit 72 11 Removal Procedure 75 11 1 Removal Procedure of Indoor Unit 75 11 2 Removal Procedure of Outdoor Unit 80 Appendix 86 Appendix 1 Reference Sheet of Celsius and Fahrenheit 86 Appendix 2 Configuration of Connection Pipe 86 Appendix 3 Pipe Expanding Method 87 Appendix 4 List of Resistance for Temperature Sensor 88 Table of Contents ...

Page 4: ...cal Information Service Manual 1 Summary Part Ⅰ Technical Information Indoor Unit Outdoor Unit GWH09QB K3DNA1G O GWH12QC K3DNA1G O A1 panel A2 panel A5 panel B2 panel B6 panel B4 panel Remote Controller YAN1F1 ...

Page 5: ... W Application Area m2 12 18 Indoor Unit Indoor Unit Model 1 GWH09QB K3DNA1G I 2 GWH09QB K3DNA5G I 3 GWH09QB K3DNB2G I 4 GWH09QB K3DNB4G I 5 GWH09QB K3DNB6G I Indoor Unit Product Code 1 CB419N05501 2 CB425N03500 3 CB432N02200 4 CB434N02300 5 CB435N00400 Fan Type Cross flow Fan Diameter Length DXL mm Ф98X580 Cooling Speed SH H M L SL r min 1300 1200 1050 800 Heating Speed SH H M L SL r min 1300 120...

Page 6: ...l Length LXDXW mm 710X19 05X508 Fan Motor Speed rpm 900 Fan Motor Power Output W 30 Fan Motor RLA A 0 36 Fan Motor Capacitor μF Outdoor Unit Air Flow Volume m3 h 1600 Fan Type Axial flow Fan Diameter mm Φ400 Defrosting Method Automatic Defrosting Climate Type T1 Isolation I Moisture Protection IP24 Permissible Excessive Operating Pressure for the Discharge Side MPa 4 3 Permissible Excessive Operat...

Page 7: ...m2 12 18 Indoor Unit Indoor Unit Model 1 GWH09QB K3DNA1G I 2 GWH09QB K3DNA2G I 3 GWH09QB K3DNB4G I 4 GWH09QB K3DNB6G I Indoor Unit Product Code 1 CB419N05500 2 CB426N01200 3 CB434N02302 4 CB435N00403 Fan Type Cross flow Fan Diameter Length DXL mm Ф98X580 Cooling Speed SH H M L SL r min 1300 1200 1050 800 Heating Speed SH H M L SL r min 1300 1200 1050 900 Fan Motor Power Output W 20 Fan Motor RLA A...

Page 8: ...l Length LXDXW mm 710X19 05X508 Fan Motor Speed rpm 900 Fan Motor Power Output W 30 Fan Motor RLA A 0 36 Fan Motor Capacitor μF Outdoor Unit Air Flow Volume m3 h 1600 Fan Type Axial flow Fan Diameter mm Φ400 Defrosting Method Automatic Defrosting Climate Type T1 Isolation I Moisture Protection IP24 Permissible Excessive Operating Pressure for the Discharge Side MPa 4 3 Permissible Excessive Operat...

Page 9: ...1 GWH12QC K3DNA1G I 2 GWH12QC K3DNA5G I 3 GWH12QC K3DNB2G I 4 GWH12QC K3DNB4G I 5 GWH12QC K3DNB6G I GWH12QC K3DNA2G I Indoor Unit Product Code 1 CB419N05401 2 CB425N03600 3 CB432N02101 4 CB434N02100 5 CB435N00100 CB426N01300 Fan Type Cross flow Cross flow Fan Diameter Length DXL mm Ф98X633 5 Ф98X633 5 Cooling Speed SH H M L SL r min 1350 1200 1050 850 1350 1200 1050 850 Heating Speed SH H M L SL r...

Page 10: ...l Length LXDXW mm 710X38 1X506 Fan Motor Speed rpm 900 Fan Motor Power Output W 30 Fan Motor RLA A 0 36 Fan Motor Capacitor μF Outdoor Unit Air Flow Volume m3 h 1600 Fan Type Axial flow Fan Diameter mm Φ400 Defrosting Method Automatic Defrosting Climate Type T1 Isolation I Moisture Protection IP24 Permissible Excessive Operating Pressure for the Discharge Side MPa 4 3 Permissible Excessive Operati...

Page 11: ... 16 24 Indoor Unit Indoor Unit Model 1 GWH12QC K3DNA1G I 2 GWH12QC K3DNA5G I 3 GWH12QC K3DNB2G I 4 GWH12QC K3DNB4G I 5 GWH12QC K3DNB6G I Indoor Unit Product Code 1 CB419N05400 2 CB425N03602 3 CB432N02100 4 CB434N02102 5 CB435N00100 Fan Type Cross flow Fan Diameter Length DXL mm Ф98X633 5 Cooling Speed SH H M L SL r min 1350 1200 1050 850 Heating Speed SH H M L SL r min 1300 1150 1000 900 Fan Motor...

Page 12: ...l Length LXDXW mm 710X38 1X506 Fan Motor Speed rpm 900 Fan Motor Power Output W 30 Fan Motor RLA A 0 36 Fan Motor Capacitor μF Outdoor Unit Air Flow Volume m3 h 1600 Fan Type Axial flow Fan Diameter mm Φ400 Defrosting Method Automatic Defrosting Climate Type T1 Isolation I Moisture Protection IP24 Permissible Excessive Operating Pressure for the Discharge Side MPa 4 3 Permissible Excessive Operati...

Page 13: ...0 60 80 100 120 50 60 70 80 90 100 110 120 130 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 Capacity ratio Outdoor temp C Capacity ratio 15 10 5 110 100 90 80 70 60 50 40 0 5 7 10 Conditions Indoor DB20 C Indoor air flow Super High Pipe length 5m Outdoor temp C Condition Indoor DB27 C WB19 C Indoor air flow High Pipe length 5m Condition Indoor DB27 C WB19 C Indoor air flow High Pipe length 5m Cond...

Page 14: ... unit Inlet and outlet pipe temperature of heat exchanger Fan speed of indoor unit Fan speed of outdoor unit Compressor frequency Hz Indoor Outdoor P MPa T1 C T2 C 20 7 6 09K 2 2 to 2 4 70 to 35 2 to 4 Super High High 65 12K 77 Instruction T1 Inlet and outlet pipe temperature of evaporator T2 Inlet and outlet pipe temperature of condenser P Pressure at the side of big valve Connection pipe length ...

Page 15: ...Information Service Manual 3 Outline Dimension Diagram 3 1 Indoor Unit Unit mm Model W H D 09K 790 275 200 12K 845 289 209 W 12K 09K D H 90 150 54 168 5 462 159 5 Φ55 Φ55 54 123 5 542 179 5 83 2 124 7 35 Φ55 Φ55 35 ...

Page 16: ...13 Technical Information Service Manual 3 2 Outdoor Unit 712 776 257 320 540 286 510 Unit mm ...

Page 17: ...alve Discharge Suction Heat exchanger evaporator Heat exchanger condenser Valve Valve Liquid pipe side Gas pipe side Strainer Electron expansion valve Strainer Capillary Accumlator Compressor 4 Refrigerant System Diagram Connection pipe specification Liquid pipe 1 4 6mm Gas pipe 3 8 9 52mm ...

Page 18: ...al lover for this model GWH09QB K3DNA1G I CB419N05501 GWH09QB K3DNA2G I CB426N01200 GWH09QB K3DNB2G I CB432N02200 GWH09QB K3DNB4G I CB434N02300 GWH09QB K3DNB6G I CB435N00400 GWH12QC K3DNA1G I CB419N05401 GWH12QC K3DNA2G I CB426N01300 GWH12QC K3DNA5G I CB425N03602 GWH12QC K3DNB2G I CB432N02101 GWH12QC K3DNB4G I CB434N02100 GWH12QC K3DNB6G I CB435N00100 7 6 1625 7 03 6 1625 7 03 6 1625 57 5220 78 67...

Page 19: ...7 50 1 3 803 3 8 1 9 325 725 3 7 1 0 287 225 81 7 3 3 1 02725 0 3 63 63 1 1 57 1 20 287 8 1 3 8 9 8 5 203 203 3527 725 29 5 2 5 7 50 1 7 1 1 32 5 1 1 2 1 1 0 3 3 5 29 203 6 7 9 8 BN BK BU 3 0DLQ RDUG 1 208 3 5 725 8 1 7 03 6 1625 7 03 6 1625 7 03 57 57 57 6 1625 1 9 7521 9 9 9 5 0 1 7 5 1 0 1 7 5 1 N N N 0 1 7 5 1 75 0 62 7 21 2 6 7 1 3 3 1 1 1 1 1 1 9 9 3 16 21 28778 2875220 867 2 RWWRP DQG RPS D...

Page 20: ...XQQLQJ VWRSSLQJ RU KDV EHHQ WHUPLQDO ZKHQ WKH PDFKLQH LV 3OHDVH GRQ W WRXFK DQ RI HOHFWULF VKRFN 97 97 1 8 1 8 2 867 2875220 28778 3 16 21 9 9 9 9 1 1 1 1 1 1 3 3 1 6 7 2 0 62 7 21 75 5 1 0 1 7 N N N 5 1 0 1 7 5 1 0 1 7 5 9 7521 9 1 6 1625 57 57 57 7 03 6 1625 7 03 6 1625 7 03 1 8 5 725 3 208 1 3 0DLQ RDUG BU BK BN 8 9 6 7 29 203 5 3 3 0 1 2 1 1 1 32 5 1 1 7 7 50 1 29 5 2 5 3527 725 203 203 5 8 9 ...

Page 21: ...e 2 Communication interface 3 Interface of neutral wire for health 4 Interface of neutral wire 5 Control interface of motor 6 Interface of live wire for health 7 Jumper cap 8 Auto button 9 Interface for up down swing 10 Feedback interface of motor 11 Interface of left right swing 12 Interface of dry contact 13 Interface of temperature senso 14 Display interface ...

Page 22: ...utdoor Unit Bottom view No Name 1 Compressor 2 Reactor 2 3 Reactor 1 4 Chassis electric heating 5 Compressor electric heating 6 4 way valve 7 DC fan 8 Earthing wire 9 Communication wire 10 Neutral wire 11 Live wire 12 Electronic expansion valve 13 Temperature sensor 14 Overloard 15 DRED ...

Page 23: ...at mode Fan mode Dry mode Cool mode Auto mode Operation mode I feel Note After putting through the power the air conditioner will give out a sound Operation indictor is ON red indicator After that you can operate the air conditioner by using remote controller Under on status pressing the button on the remote controller the signal icon on the display of remote controller will blink once and the air...

Page 24: ...door ambient temperature Set temperature range from remote controller 16 30O C Fan speed auto low speed medium speed high speed 5 TURBO button Under COOL or HEAT mode press this button to turn to quick COOL or quick HEAT mode icon is displayed on remote controller Press this button again to exit turbo function and icon will disappear 6 button Press or button once increase or decrease set temperatu...

Page 25: ... word ON will stop blinking icon resumes displaying Cancel TIMER ON Under the condition that TIMER ON is started up press TIMER ON button to cancel it TIMER OFF button TIMER OFF button can set the time for timer off After pressing this button icon disappears and the word OFF on remote controller blinks Press or button to adjust TIMER OFF setting After each pressing or button TIMER OFF setting will...

Page 26: ...energy saving function set temperature can t be adjusted Press TURBO button and the remote controller won t send signal Sleep function and energy saving function can t operate at the same time If energy saving function has been set under cooling mode press sleep button will cancel energy saving function If sleep function has been set under cooling mode start up the energy saving function will canc...

Page 27: ...e under each condition Ambient temperature is Tamb Tcompensation for heat pump unit and Tamb for cooling only unit 4 If there s I feel function Tcompensation is 0 Others are same as above 5 Fan mode Under this mode indoor fan operates at set fan speed Compressor outdoor fan 4 way valve and electric heating tube stop operation Indoor fan can select to operate at high medium low or auto fan speed Te...

Page 28: ...ng remote control code 01 current set temperature will be displayed 2 Only when remote control signal is switched to indoor ambient temperature display status corresponding remote control code 10 from other display status corresponding remote control code 00 01 11 controller will display indoor ambient temperature for 3s and then turn back to display set temperature Under this mode indoor fan oper...

Page 29: ... Tindoor ambient temperature Tcompensation 1 unit operates according to the previous status When Tpreset Tindoor ambient temperature Tcompensation 2 compressor stops operation and outdoor fan will stop 30s later Indoor fan will be in residual heat blowing status When unit is turned off under heating mode or changed to other modes from heating mode 4 way valve will be power off 2min after compresso...

Page 30: ...ng under this mode fan speed will adjust according to auto fan speed if compressor stops operation under this mode indoor fan will be in residual heat blowing status When power on communication light will be blinking in a normal way after receiving a group of correct signals blinking stops for 0 2s 0 3s If there s no communication communication light will be always on If other ODU has malfunction ...

Page 31: ...unit adequately grounded The grounding wire can t be used for other purposes 6 Must apply protective accessories such as protective boards cable cross loop and wire clip 7 The live wire neutral wire and grounding wire of power supply must be corresponding to the live wire neutral wire and grounding wire of the air conditioner 8 The power cord and power connection wires can t be pressed by hard obj...

Page 32: ...ing tape 4 Electroprobe 7 Electronic leakage detector 10 Pipe pliers pipe cutter 2 Screw driver 5 Universal meter 8 Vacuum pump 11 Pipe expander pipe bender 3 Impact drill drill head electric drill 6 Torque wrench open end wrench inner hexagon spanner 9 Pressure meter 12 Soldering appliance refrigerant container ...

Page 33: ...15cm At least 50cm At least 50cm At least 30cm At least 300cm At least 200cm Space to the floor Space to the obstruction Space to the obstruction Space to the obstruction Space to the ceiling Space to the obstruction Space to the obstruction At least 30cm At least 15cm At least 15cm Space to the wall Space to the wall Space to the wall ...

Page 34: ...hang the indoor unit Make the bound pipes pass through the wall hole and then connect outdoor unit Neaten the pipes Vacuum pumping and leakage detection Check after installation and test operation Finish installation Note this flow is only for reference please find the more detailed installation steps in this section Select outdoor unit installation location Install the support of outdoor unit sel...

Page 35: ... first class electric appliance It must be properly grounding with specialized grounding device by a professional Please make sure it is always grounded effectively otherwise it may cause electric shock 2 The yellow green wire in air conditioner is grounding wire which can t be used for other purposes 3 The grounding resistance should comply with national electric safety regulations 4 The applianc...

Page 36: ...ant the piping hole on the wall slightly downward to the outdoor side with the gradient of 5 10 As show in Fig 2 Note Left Wall Φ55mm Right Mark in the middle of it Level meter Rear piping hole Wall Space to the wall above 150mm Space to the wall above 150mm Φ55mm Rear piping hole 12K 09K Left Wall Φ55mm Right Mark in the middle of it Level meter Rear piping hole Wall Space to the wall above 150mm...

Page 37: ... length of drain hose and power cord for installation when binding them When binding to a certain degree separate the indoor power and then separate the drain hose As show in Fig 15 3 Bind them evenly 4 The liquid pipe and gas pipe should be bound separately at the end 9 Hang the Indoor Unit 1 Put the bound pipes in the wall pipe and then make them pass through the wall hole 2 Hang the indoor unit...

Page 38: ... hose into the drain vent As show in Fig 19 3 Fix Outdoor Unit 1 Place the outdoor unit on the support 2 Fix the foot holes of outdoor unit with bolts As show in Fig 20 4 Connect Indoor and Outdoor Pipes 1 Remove the screw on the right handle of outdoor unit and then remove the handle As show in Fig 21 2 Remove the screw cap of valve and aim the pipe joint at the bellmouth of pipe As show in Fig 2...

Page 39: ... charging vent of gas valve and then connect the other charging hose to the vacuum pump 3 Open the piezometer completely and operate for 10 15min to check if the pressure of piezometer remains in 0 1MPa 4 Close the vacuum pump and maintain this status for 1 2min to check if the pressure of piezometer remains in 0 1MPa If the pressure decreases there may be leakage 5 Remove the piezometer open the ...

Page 40: ...refer to the malfunction analysis discharge protection overload 5 Overcurrent protection E5 OFF 3S and blink 5 times During cooling and drying operation compressor and outdoor fan stop while indoor fan operates During heating operation all loads stop 1 Supply voltage is unstable 2 Supply voltage is too low and load is too high 3 Evaporator is dirty 6 Communi cation Malfunction E6 OFF During coolin...

Page 41: ...ed 14 Outdoor ambient temperature sensor is open short circuited F3 OFF 3S and blink 6 times During cooling and drying operating compressor stops while indoor fan operates During heating operation the complete unit will stop operation Outdoor temperature sensor hasnt been connected well or is damaged Please check it by referring to the resistance table for temperature sensor 15 Outdoor condenser t...

Page 42: ... operation the complete unit will stop operation 1 Measure the voltage of position L and N on wiring board XT if the voltage is higher than 265VAC turn on the unit after the supply voltage is increased to the normal range 2 If the AC input is normal measure the voltage of electrolytic capacitor C on control panel AP1 if its normal theres malfunction for the circuit please replace the control panel...

Page 43: ... During cooling and drying operation compressor will stop while indoor fan will operate During heating operation the complete unit will stop Replace outdoor control panel AP1 30 Module high temperature protection P8 During cooling operation compressor will stop while indoor fan will operate During heating operation the complete unit will stop After the complete unit is de energized for 20mins chec...

Page 44: ...36 PFC protection HC OFF 3S and blink 14 times During cooling and drying operation compressor will stop while indoor fan will operate During heating operation the complete unit will stop operation Refer to the malfunction analysis 37 Outdoor DC fan motor malfunction L3 OFF 3S and blink 14 times Outdoor DC fan motor malfunction lead to compressor stop operation DC fan motor malfunction or system bl...

Page 45: ...mplete unit will stop Supply voltage is unstable 45 Malfunction of complete units current detection U5 During cooling and drying operation the compressor will stop while indoor fan will operate During heating operating the complete unit will stop operation Theres circuit malfunction on outdoor units control panel AP1 please replace the outdoor units control panel AP1 46 The four way valve is abnor...

Page 46: ...43 Installation and Maintenance Service Manual If malfunction occurs corresponding code will display and the unit will resume normal until protection or malfunction disappears ...

Page 47: ...Possible causes insufficient or too much refrigrant blockage of capillary and increase of suction temp improper running of compressor burning in or stuck of bearing damage of discharge valve malfunction of protector Processing method adjust refrigerant amount replace the capillary replace the compressor use universal meter to check if the contactor of compress or is fine when it is not overheated ...

Page 48: ...oard broken Malfunction diagnosis process Is the wiring terminal between the temperature sensor and the controller loosened or poorly contacted Start Insert the temperature sensor tightly Yes Yes Yes Yes Yes Yes No No No No No No Is malfunction eliminated Is malfunction eliminated Is malfunction eliminated Replace it with a temperature sensor with the same model Make the parts upright Is there sho...

Page 49: ...the connection of PG motor control terminal is firm Turn on the unit again measure whether the output voltage on control terminal for PG motor is more than 50V within 1 min after the louvers are opened Tighten the screw reassemble the blade motor and shaft bearing rubber base sub assy to make sure there is no foreign object between them Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes No No No No No No No ...

Page 50: ...f the mainboard is defined abnormal Malfunction diagnosis process Start Is there jumper cap on the mainboard Is the jumper cap inserted correctly and tightly Replace the jumper cap with the same model Appearance of the jumper cap Assemble the jumper cap with the same model Insert the jumper cap tightly Is malfunction eliminated Is malfunction eliminated Is malfunction eliminated Replace the mainbo...

Page 51: ...charges slowly The zero cross detectioncircuit of the mainboard is defined abnormal Malfunction diagnosis process Turn power off for 1minute the turn back on The unit returns to normal Conclusion U8 is displayed due to power off on while the capacitor discharges slowly U8 is still displayed The zero cross detection circuit of the mainboard is defined abnormal Replace the mainboard with the same mo...

Page 52: ...her than 200V Fault with the voltage testing circuit on control panel AP1 Replace the control panel AP1 Measure the AC voltage between terminalL andN on wiring board XT power supply Voltage within 210VAC 250VAC Shut down the power and repair the power supply to restore the range 210VAC 250VAC power on and restart the unit If the fault is eliminated Shut down the power and wait 20 minutes or use DC...

Page 53: ...cure Loose Is the connection in correct order Is the voltage input of the machine within normal range Use AC voltmeter to measure the voltage between terminal L and N on the wiring board XT Is the compressor coil resistance normal Is the insulation of compressor coil against the copper tube in good condition Is the working load of the machine too high Is the radiation good Is the charge volume of ...

Page 54: ... two ends of capacitor C2 until the voltage is lower than 20V Replace the capacitor C2 Then energize and start the unit Replace the control panel AP1 Take corrective actions according to Technical Service Manual and then energize and start the unit If there is any abnormality described above Replace the control panel AP1 If the connection between AP1 and COMP is unsecure or the connection order is...

Page 55: ...nd high temperature protection Is outdoor ambient temperature higher than 53 20 minutes after the complete unit is powered off Is heat dissipation of the indoor unit and outdoor unit abnormal Normal protection please operate it after the outdoor ambient temp erature is normalized Improve the heat dissipation environ ment of the unit Does the outdoor fan work normally 1 Check if the fan terminal OF...

Page 56: ...compressor stopping enough Fault diagnosis process No Yes No No Yes Yes Yes No Power on the unit Is stop time of the compressor longer than 3 minutes Restart it up after 3 minutes Does startup fail Are the wires for the compressor connected correctly Is connection sequence right Connect the wires as per the connection diagram Replace the control panel AP1 If the fault is eliminated Replace the com...

Page 57: ...ssor connected correctly Is connection sequence right Is the connection made in clockwise direction Connect the wires correctly Replace the control panel AP1 If the fault is eliminated Replace the compressor End Out of step occurs in operation Is the outdoor fan working normally Is the outdoor unit blocked by foreign objects Replace the control panel AP1 If the fault is eliminated Replace the comp...

Page 58: ...nutes after the complete unit is powered off Is the terminal FA for the electronic expansion valve connected correctly Connect the wires correctly Resistances between the first four pins close to the terminal hole and the fifth pin are almost the same less than 100 ohm Replace the electronic expansion valve If the fault is eliminated If the fault is eliminated Replace the control panel AP1 Coolant...

Page 59: ...ere is any damage or short circuit Replace it as per the wiring diagram and reconnect the wires If the fault is eliminated Remove the PFC capacitor and measure resistance between the two terminals Is the resistance around zero The capacitor is short circuited and the capacitor should be repla ced Restart the unit If the fault is eliminated Disconnect the terminals for the reactor and measure the r...

Page 60: ...Did the equipment operate normally before the failure occurs The AP1 voltage detection circuit is at fault Check wiring inside of the indoor and outdoor units Are wires broken Check the communication circuit of the outdoor unit If the fault is eliminated The communication circuit is abnormal Replace the main board of the indoor unit End If the fault is eliminated Replace the main board AP1 of the ...

Page 61: ...the compressor Replace the mainboard with the same model End Is the supply voltage too low with overload Is the indoor outdoor heat exchanger dirty or are the air inlet and outlet blocked The fan is abnormal Fan speed is too low or fan doesn t rotate Measure the current of live wire on the main board with a clamp ampere meter Is the current higher than the value of the overcurrent protection Is th...

Page 62: ...hod for details Malfunction of compressor Compressor can t operate Refer to point 5 of maintenance method for details 9 3 Troubleshooting for Normal Malfunction 1 Air Conditioner Can t be Started Up 2 Poor Cooling Heating for Air Conditioner 3 Horizontal Louver Can t Swing Possible Causes Discriminating Method Air conditioner Status Troubleshooting No power supply or poor connection for power plug...

Page 63: ...in pipe Replace drain pipe Wrapping is not tight Water leaking from the pipe connection place of indoor unit Wrap it again and bundle it tightly 5 Compressor Can t Operate Possible causes Discriminating method air conditioner status Troubleshooting Wrong wire connection or poor connection Check the wiring status according to circuit diagram Connect wires according to wiring diagram to make sure al...

Page 64: ...61 Installation and Maintenance Service Manual 10 Exploded View and Parts List 10 1 Indoor Unit A1 B6 panel B2 B4 panel A2 panel ...

Page 65: ...porator Assy 01002000044 01002000044 1 12 Wall Mounting Frame 01252043 01252043 1 13 Cross Flow Fan 10352059 10352059 1 14 Fan Motor 150120874 150120874 1 15 Connecting pipe clamp 2611216401 2611216401 1 16 Rubber Plug Water Tray 76712012 76712012 1 17 Stepping Motor 1521212901 1521212901 1 18 Crank 73012005 73012005 1 19 Electric Box Assy 10000201389 10000201390 1 20 Axile Bush 10542036 10542036 ...

Page 66: ...ator Assy 0100297601 0100297601 1 12 Wall Mounting Frame 01252484 01252484 1 13 Cross Flow Fan 10352056 10352056 1 14 Fan Motor 15012146 15012146 1 15 Connecting pipe clamp 2611216401 2611216401 1 16 Rubber Plug Water Tray 76712012 76712012 1 17 SteppingMotor 1521210701 1521210701 1 18 Crank 73012005 73012005 1 19 Electric Box Assy 10000201387 10000201388 1 20 Axile Bush 10542036 10542036 1 21 Ter...

Page 67: ...1602 1 11 Evaporator Assy 01100100245 0100297601 1 12 Wall Mounting Frame 01252484 01252484 1 13 Cross Flow Fan 10352056 10352056 1 14 Fan Motor 1501214603 15012146 1 15 Connecting pipe clamp 2611216401 2611216401 1 16 Rubber Plug Water Tray 76712012 76712012 1 17 Stepping Motor 1521210701 1521210701 1 18 Crank 73012005 73012005 1 19 Electric Box Assy 10000202559 10000202284 1 20 Axile Bush 105420...

Page 68: ...Evaporator Assy 0100297601 0100297601 1 12 Wall Mounting Frame 01252484 01252484 1 13 Cross Flow Fan 10352056 10352056 1 14 Fan Motor 15012146 1501214603 1 15 Connecting pipe clamp 2611216401 2611216401 1 16 Rubber Plug Water Tray 76712012 76712012 1 17 Stepping Motor 1521210701 1521210701 1 18 Crank 73012005 73012005 1 19 Electric Box Assy 10000202164 10000202559 1 20 Axile Bush 10542036 10542036...

Page 69: ...001602 1 11 Evaporator Assy 01002000044 01002000044 1 12 Wall Mounting Frame 01252043 01252043 1 13 Cross Flow Fan 10352059 10352059 1 14 Fan Motor 150120874 150120874 1 15 Connecting pipe clamp 2611216401 2611216401 1 16 Rubber Plug Water Tray 76712012 76712012 1 17 Stepping Motor 1521212901 1521212901 1 18 Crank 73012005 73012005 1 19 Electric Box Assy 10000202565 10000202565 1 20 Axile Bush 105...

Page 70: ...aporator Assy 01002000044 0100200004402 1 12 Wall Mounting Frame 01252043 01252043 1 13 Cross Flow Fan 10352059 10352059 1 14 Fan Motor 150120874 150120874 1 15 Connecting pipe clamp 2611216401 2611216401 1 16 Rubber Plug Water Tray 76712012 76712012 1 17 Stepping Motor 1521212901 1521212901 1 18 Crank 73012005 73012005 1 19 Electric Box Assy 10000202687 10000202756 1 20 Axile Bush 10542036 105420...

Page 71: ...or Assy 01002000044 01002000044 1 12 Wall Mounting Frame 01252043 01252043 1 13 Cross Flow Fan 10352059 10352059 1 14 Fan Motor 150120874 150120874 1 15 Connecting pipe clamp 2611216401 2611216401 1 16 Rubber Plug Water Tray 76712012 76712012 1 17 Stepping Motor 1521212901 1521212901 1 18 Crank 73012005 73012005 1 19 Electric Box Assy 10000202782 10000202833 1 20 Axile Bush 10542036 10542036 1 21 ...

Page 72: ...vaporator Assy 01100100245 01100100245 1 12 Wall Mounting Frame 01252484 01252484 1 13 Cross Flow Fan 10352056 10352056 1 14 Fan Motor 1501214603 1501214603 1 15 Connecting pipe clamp 2611216401 2611216401 1 16 Rubber Plug Water Tray 76712012 76712012 1 17 Stepping Motor 1521210701 1521210701 1 18 Crank 73012005 73012005 1 19 Electric Box Assy 10000202688 10000202164 1 20 Axile Bush 10542036 10542...

Page 73: ...Evaporator Assy 01100100245 01100100245 1 12 Wall Mounting Frame 01252484 01252484 1 13 Cross Flow Fan 10352056 10352056 1 14 Fan Motor 1501214603 1501214603 1 15 Connecting pipe clamp 2611216401 2611216401 1 16 Rubber Plug Water Tray 76712012 76712012 1 17 Stepping Motor 1521210701 1521210701 1 18 Crank 73012005 73012005 1 19 Electric Box Assy 10000202716 10000202788 1 20 Axile Bush 10542036 1054...

Page 74: ...ld Plasma Generator 1114001602 1 11 Evaporator Assy 01002000044 1 12 Wall Mounting Frame 01252043 1 13 Cross Flow Fan 10352059 1 14 Fan Motor 150120874 1 15 Connecting pipe clamp 2611216401 1 16 Rubber Plug Water Tray 76712012 1 17 Stepping Motor 1521212901 1 18 Crank 73012005 1 19 Electric Box Assy 10000202398 1 20 Axile Bush 10542036 1 21 Terminal Board 42011233 1 22 Jumper 4202300104 1 23 Main ...

Page 75: ...72 Installation and Maintenance Service Manual 10 2 Outdoor Unit ...

Page 76: ...01308506 1501308506 1 12 Top Cover Sub Assy 01253073 01253073 1 13 Motor Support 01703104 01703104 1 14 Condenser Assy 01100200141 01100200141 1 15 Rear Grill 01473009 01473009 1 16 Electric Expand Valve Fitting 4300876701 4300876701 1 17 Electronic Expansion Valve 07135228 07135228 1 18 Valve 07100003 07100003 1 19 Big Handle 262334332 262334332 1 20 Cut off Valve Assy 07133474 07133474 1 21 Valv...

Page 77: ...p Cover Sub Assy 01253073 01253073 1 13 Motor Support 0170310401 0170310401 1 14 Condenser Assy 01100200142 01100200142 1 15 Rear Grill 01473009 01473009 1 16 Electric Expand Valve Fitting 4300876701 4300876701 1 17 Electronic Expansion Valve 07135228 07135228 1 18 Valve 07100003 07100003 1 19 Big Handle 262334332 262334332 1 20 Cut off Valve Assy 07133474 07133474 1 21 Valve Support 0171314201P 0...

Page 78: ...Push the left filter and right filter until they are separate from the groove on the front panel Remove the left filter and right filter respectively A1 B6 display Screw off the 2 screws that are locking the display board Separate the display board from the front panel A2 display Screw off the 2 screws that are locking the display board This display can be disassembled only after removing the fron...

Page 79: ...ont case sub assy is different for different models Loosen the connection clasps between vertical louver and bottom case to remove vertical louver Loosen the connection clasps between front case sub assy and bottom case Lift up the front case sub assy and take it out Electric box cover Screw 4 Remove electric box cover 5 Remove front case sub assy 6 Remove vertical louver Front case sub assy Front...

Page 80: ...rounding screw Remove the wiring terminals of motor and stepping motor Remove the electric box assy Twist off the screws that are locking each lead wire and rotate the electric box assy Twist off the screws that are locking the wire clip Loosen the power cord and remove its wiring terminal Lift up the main board and take it off 7 Remove electric box assy Electric box Electric box assy Clasps Shiel...

Page 81: ...e terminals 2 Pull out the holder for some terminals at first holder is not available for some wiring terminal hold the connector and then pull the terminal circlip soft sheath holder connector Procedure Step Remove 3 screws fixing evaporator assy 8 Remove evaporator assy Screws Connection pipe clamp Evaporator assy Evaporator assy Screw Groove Bottom case Clasp Connection pipe At the back of the ...

Page 82: ...the screws at the connection place of cross flow blade and motor lift the motor and cross flow blade upwards to remove them Remove the bearing holder sub assy Remove the screw fixing step motor and then remove the step motor Screws Screw Motor clamp 9 Remove motor and cross flow blade Motor Cross flow Holder sub assy Step motor Screws a b ...

Page 83: ... the screw fixing big handle slide out the big handle upwards to make the clasp of big handle separate from the groove of right side plate and then remove the big handle Remove the screws fixing top panel and then remove the top panel Procedure Step Screws Front grille Remove connection screws between the front grille and the front panel Then remove the front grille 3 Remove front grille ...

Page 84: ...ep Screws Screws Screws Screws Screw off the screws that are locking the front cover Then take it off Front cover 4 Remove the front cover 5 Remove axial flow blade Remove the nut fixing axial flow blade and then remove the axial flow blade Nut Axial flow blade ...

Page 85: ...e Screws 1 Screws 2 Remove the screws 1 fixing protective grille and then remove the protective grille Remove the screws fixing electric box assy pull out each wiring terminal lift the electric box assy upwards to remove it Note When pulling out the wiring terminal pay attention to loose the clasp and don t pull it so hard 6 Remove protective grille and right side plate 7 Remove electric box assy ...

Page 86: ...way valve assy Note When unsoldering the spot weld wrap the 4 way valve with wet cloth completely to avoid damaging the valve due to high temperature Remove the screws fixing motor and then remove the motor Procedure Step Remove the screws fixing motor support and then remove the motor support 10 Remove motor support Spot weld 4 way valve assy Motor support Motor Screws Screws ...

Page 87: ...ixing the liquid valve then remove the liquid valve Screw off the screws that are locking the valve support Then remove it 11 Remove gas valve and liquid valve Liquid valve Gas valve Screws Screws Screws Screws Valve support 12 Remove clapboard 13 Remove the valve support Remove the screws fixing clapboard and then remove the clapboard Clapboard ...

Page 88: ...move 3 foot nuts on compressor and then remove the compressor Note Protect the ports of discharge pipe and suction pipe to avoid foreign objects to enter it Remove one screw fixing the condenser then remove the condenser Foot nuts Compressor 16 Remove compressor 17 Remove condenser ...

Page 89: ... 56 55 4 13 79 80 78 8 26 34 35 33 8 1 57 58 57 2 14 81 80 6 27 36 35 6 2 59 60 59 15 82 83 82 4 28 37 38 37 4 3 61 62 60 8 16 84 85 84 2 29 39 40 39 2 4 63 62 6 17 86 87 86 30 41 42 41 5 64 65 64 4 18 88 89 87 8 31 43 44 42 8 6 66 67 66 2 19 90 89 6 32 45 44 6 7 68 69 68 20 91 92 91 4 33 46 47 46 4 8 70 71 69 8 21 93 94 93 2 34 48 49 48 2 9 72 71 6 22 95 96 95 35 50 51 50 10 73 74 73 4 23 97 98 9...

Page 90: ...lowing steps A Cut the pip Confirm the pipe length according to the distance of indoor unit and outdoor unit Cut the required pipe with pipe cutter B Remove the burrs Remove the burrs with shaper and prevent the burrs from getting into the pipe C Put on suitable insulating pipe D Put on the union nut Remove the union nut on the indoor connection pipe and outdoor valve install the union nut on the ...

Page 91: ... 66 88 33 10 63 72 2 439 111 0 737 5 63 46 34 10 2 73 2 358 112 0 717 4 60 23 35 9 779 74 2 28 113 0 697 3 57 18 36 9 382 75 2 206 114 0 678 2 54 31 37 9 003 76 2 133 115 0 66 1 51 59 38 8 642 77 2 064 116 0 642 0 49 02 39 8 297 78 1 997 117 0 625 1 46 6 40 7 967 79 1 933 118 0 608 2 44 31 41 7 653 80 1 871 119 0 592 3 42 14 42 7 352 81 1 811 120 0 577 4 40 09 43 7 065 82 1 754 121 0 561 5 38 15 4...

Page 92: ... 0 983 5 84 61 34 13 59 73 3 144 112 0 956 4 80 31 35 13 04 74 3 04 113 0 93 3 76 24 36 12 51 75 2 94 114 0 904 2 72 41 37 12 76 2 844 115 0 88 1 68 79 38 11 52 77 2 752 116 0 856 0 65 37 39 11 06 78 2 663 117 0 833 1 62 13 40 10 62 79 2 577 118 0 811 2 59 08 41 10 2 80 2 495 119 0 77 3 56 19 42 9 803 81 2 415 120 0 769 4 53 46 43 9 42 82 2 339 121 0 746 5 50 87 44 9 054 83 2 265 122 0 729 6 48 42...

Page 93: ...74 62 11 32 101 3 22 15 362 9 24 51 41 63 10 93 102 3 13 14 342 8 25 49 19 64 10 54 103 3 04 13 323 9 26 47 08 65 10 18 104 2 96 12 306 2 27 45 07 66 9 83 105 2 87 11 289 6 28 43 16 67 9 49 106 2 79 10 274 29 41 34 68 9 17 107 2 72 9 259 3 30 39 61 69 8 85 108 2 64 8 245 6 31 37 96 70 8 56 109 2 57 7 232 6 32 36 38 71 8 27 110 2 50 6 220 5 33 34 88 72 7 99 111 2 43 5 209 34 33 45 73 7 73 112 2 37 ...

Page 94: ... Zhuhai Guangdong China 519070 Tel 86 756 8522218 Fax 86 756 8669426 Email gree gree com cn Http www gree com HONG KONG GREE ELECTRIC APPLIANCES SALES LIMITED Add Unit 2612 26 F Miramar Tower 132 Nathan Road TST Kowloon HK Tel 852 31658898 Fax 852 31651029 JF00302258 ...

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