Cree GWC12QC-D3DNA1H Service Manual Download Page 1

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GREE ELECTRIC APPLIANCES,INC.OF ZHUHAI

Change for Life

Service Manual

GWH09QC-D3DNC2D

GWC12QC-D3DNA1H

GWH12QC-D3DNA1H

GWH12QC-D3DNC2D

GWC12QC-D3DNA6H

GWH12QC-D3DNA6H

GWH12QC-D3DNC8H

GWC12QC-D3DNA5H

GWH12QC-D3DNA5H

GWH12QC-D3DNB6H

Models:

GWC12QC-D3DNB6H

GWC12QC-D3DND2H

GWC12QC-D3DNB4H

GWH12QC-D3DNB4H

GWC12QC-D3DNC8H

GWH12QC-D3DNC6A

GWC12QC-D3DNC6A

GWC12QC-D3DNA3H

GWC12QC-D3DNB8H

(Refrigerant R410A)

Summary of Contents for GWC12QC-D3DNA1H

Page 1: ...A1H GWH12QC D3DNA1H GWH12QC D3DNC2D GWC12QC D3DNA6H GWH12QC D3DNA6H GWH12QC D3DNC8H GWC12QC D3DNA5H GWH12QC D3DNA5H GWH12QC D3DNB6H Models GWC12QC D3DNB6H GWC12QC D3DND2H GWC12QC D3DNB4H GWH12QC D3DNB4H GWC12QC D3DNC8H GWH12QC D3DNC6A GWC12QC D3DNC6A GWC12QC D3DNA3H GWC12QC D3DNB8H Refrigerant R410A ...

Page 2: ...Part 20 5 1 Wiring Diagram 20 5 2 PCB Printed Diagram 24 6 Function and Control 28 6 1 Remote Controller Introduction 28 6 2 Brief Description of Modes and Functions 32 Part Ⅱ Installation and Maintenance 41 7 Notes for Installation and Maintenance 41 8 Installation 44 8 1 Installation Dimension Diagram 44 8 2 Installation Parts checking 46 8 3 Selection of Installation Location 46 8 4 Requirement...

Page 3: ...t 67 10 1 Indoor Unit 67 10 2 Outdoor Unit 77 11 Removal Procedure 83 11 1 Removal Procedure of Indoor Unit 83 11 2 Removal Procedure of Outdoor Unit 88 Appendix 97 Appendix 1 Reference Sheet of Celsius and Fahrenheit 97 Appendix 2 Configuration of Connection Pipe 97 Appendix 3 Pipe Expanding Method 98 Appendix 4 List of Resistance for Temperature Sensor 99 Table of Contents ...

Page 4: ...I GWH12QC D3DNA6H I GWH09QC D3DNC2D I GWH12QC D3DNC2D I GWC12QC D3DNA5H I GWH12QC D3DNA5H I GWC12QC D3DND2H I GWH12QC D3DNC6A I GWC12QC D3DNC6A I GWC12QC D3DNA3H I GWC12QC D3DNB6H I GWH12QC D3DNB6H I GWC12QC D3DNB4H I GWH12QC D3DNB4H I GWC12QC D3DNA1H I GWH12QC D3DNA1H I GWH12QC D3DNC8H I GWC12QC D3DNC8H I ...

Page 5: ... Technical Information Service Manual Outdoor Unit Remote Controller YAN1F1F GWC12QC D3DNA6H O GWH12QC D3DNA6H O GWH12QC D3DNC6A O GWC12QC D3DNC6A O GWH09QC D3DNA1D O GWH12QC D3DNA1D O GWC12QC D3DNB8H I ...

Page 6: ...H CB438008500 GWC12QC D3DNB8H I CB438N08500 10 GWC12QC D3DNA3H CB427009700 GWC12QC D3DNA3H I CB427N09700 11 GWH12QC D3DNA1H CB419011700 GWH12QC D3DNA1H I CB419N11700 GWH12QC D3DNA6H O CB427W05900 12 GWH12QC D3DNA6H CB427005900 GWH12QC D3DNA6H I CB427N05900 13 GWH12QC D3DNA5H CB425007300 GWH12QC D3DNA5H I CB425N07300 14 GWH12QC D3DNB6H CB435006100 GWH12QC D3DNB6H I CB435N06100 15 GWH12QC D3DNC8H CB...

Page 7: ...door unit GWC12QC D3DNA6H I GWC12QC D3DNA3H I GWC12QC D3DNB8H I Indoor Unit Product Code CB427N05800 CB427N09700 CB438N08500 Fan Type Cross flow Diameter Length DXL inch Φ3 7 8X25 Fan Motor Cooling Speed SH H M L r min 1350 1200 1000 800 Fan Motor Heating Speed SH H M L r min Output of Fan Motor W 20 Fan Motor RLA A 0 31 Fan Motor Capacitor μF 1 5 Evaporator Form Aluminum Fin copper Tube Pipe Diam...

Page 8: ...e of Outdoor Unit CFM 942 Fan Type Axial flow Fan Diameter inch Φ15 3 4 Defrosting Method Climate Type T1 Isolation I Moisture Protection IPX4 Permissible Excessive Operating Pressure for the Discharge Side PSIG 620 Permissible Excessive Operating Pressure for the Suction Side PSIG 360 Sound Pressure Level H M L dB A 52 Sound Power Level H M L dB A 62 Dimension WXHXD inch 30 9 16X21 1 4X12 5 8 Dim...

Page 9: ...r Unit Model of indoor unit 1 GWC12QC D3DNA5H I 2 GWC12QC D3DNB6H I 3 GWC12QC D3DND2H I 4 GWC12QC D3DNA1H I 5 GWC12QC D3DNB4H I 6 GWC12QC D3DNC8H I Indoor Unit Product Code 1 CB425N07200 CB425N07202 2 CB435N06200 3 CB461N01001 4 CB419N12600 5 CB434N08000 6 CB456N03100 Fan Type Cross flow Diameter Length DXL inch Φ3 7 8X25 Fan Motor Cooling Speed SH H M L r min 1350 1200 1000 800 Fan Motor Heating ...

Page 10: ...e of Outdoor Unit CFM 942 Fan Type Axial flow Fan Diameter inch Φ15 3 4 Defrosting Method Climate Type T1 Isolation I Moisture Protection IPX4 Permissible Excessive Operating Pressure for the Discharge Side PSIG 620 Permissible Excessive Operating Pressure for the Suction Side PSIG 360 Sound Pressure Level H M L dB A 52 Sound Power Level H M L dB A 62 Dimension WXHXD inch 30 9 16X21 1 4X12 5 8 Dim...

Page 11: ...it GWH12QC D3DNA1H I GWH12QC D3DNA6H I GWH12QC D3DNA5H I GWH12QC D3DNB6H I GWH12QC D3DNC8H I GWH12QC D3DNB4H I Indoor Unit Product Code CB419N11700 CB427N05900 CB425N07300 CB435N06100 CB456N00900 CB434N07900 Fan Type Cross flow Cross flow Diameter Length DXL inch Φ3 7 8X25 Φ3 7 8X25 Fan Motor Cooling Speed SH H M L r min 1350 1200 1000 800 1350 1200 1000 800 Fan Motor Heating Speed SH H M L r min ...

Page 12: ...tdoor Unit CFM 942 Fan Type Axial flow Fan Diameter inch Φ15 3 4 Defrosting Method Automatic Defrosting Climate Type T1 Isolation I Moisture Protection IPX4 Permissible Excessive Operating Pressure for the Discharge Side PSIG 620 Permissible Excessive Operating Pressure for the Suction Side PSIG 360 Sound Pressure Level H M L dB A 53 Sound Power Level H M L dB A 63 Dimension WXHXD inch 30 9 16X21 ...

Page 13: ...f indoor unit GWH09QC D3DNC2D I GWC12QC D3DND2E I Indoor Unit Product Code CB439N05800 CB461N00800 Fan Type Cross flow Cross flow Diameter Length DXL inch Φ3 55 64X25 Φ3 55 64X25 Fan Motor Cooling Speed SH H M L r min 1350 1200 1050 750 1400 1200 1050 800 Fan Motor Heating Speed SH H M L r min 1300 1150 1000 900 1400 1200 1000 900 Output of Fan Motor W 20 20 Fan Motor RLA A 0 09 0 09 Fan Motor Cap...

Page 14: ... Capacitor μF Air Flow Volume of Outdoor Unit CFM 1059 1177 Fan Type Axial flow Axial flow Fan Diameter inch Φ15 3 4 Φ15 3 4 Defrosting Method Automatic Defrosting Automatic Defrosting Climate Type T1 T1 Isolation I I Moisture Protection IPX4 IPX4 Permissible Excessive Operating Pressure for the Discharge Side MPa 4 3 4 3 Permissible Excessive Operating Pressure for the Suction Side MPa 2 5 2 5 So...

Page 15: ...NC6A I GWC12QC D3DNC6A I Indoor Unit Product Code CB443N02900 CB443N02800 Fan Type Cross flow Cross flow Diameter Length DXL inch Φ3 55 64X25 Φ3 55 64X25 Fan Motor Cooling Speed SH H M L r min 1350 1200 1000 800 1350 1200 1000 800 Fan Motor Heating Speed SH H M L r min 1350 1200 1000 900 Output of Fan Motor W 20 20 Fan Motor RLA A 0 21 0 21 Fan Motor Capacitor μF 1 5 1 5 Evaporator Form Aluminum F...

Page 16: ...or Capacitor μF Air Flow Volume of Outdoor Unit CFM 1600 1600 Fan Type Axial flow Axial flow Fan Diameter inch Φ400 Φ400 Defrosting Method Automatic Defrosting Climate Type T1 T1 Isolation I I Moisture Protection IPX4 IPX4 Permissible Excessive Operating Pressure for the Discharge Side MPa 4 3 4 3 Permissible Excessive Operating Pressure for the Suction Side MPa 2 5 2 5 Sound Pressure Level H M L ...

Page 17: ...70 F WB60 F Outdoor DB19 94 F WB19 04 F Indoor air flow High Pipe lengt 24 6ft Conditions Indoor DB70 F WB60 Outdoor DB19 94 F WB19 04 F Indoor air flow High Pipe lengt 24 6ft Conditions Indoor DB80 F WB66 9 F Outdoor DB95 F Indoor air flow High Pipe lengt 24 6ft 2 2 Operation Characteristic Curve 2 3 Capacity Variation Ratio According to Temperature Cooling Cooling Heating Heating 4 5 14 110 100 ...

Page 18: ...ecting indoor and outdoor unit Inlet and outlet pipe temperature of heat exchanger Fan speed of indoor unit Fan speed of outdoor unit Compressor revolution rps Indoor Outdoor P MPa T1 F T2 F 80 66 9 95 09K 0 9 1 0 in 46 4 51 8 out 51 8 57 2 in 167 181 4 out 98 6 118 4 Super High High 52 80 66 9 95 12K 0 9 1 0 in 46 4 51 8 out 51 8 57 2 in 167 181 4 out 98 6 118 4 Super High High 72 Rated heating c...

Page 19: ...16 Technical Information Service Manual 3 Outline Dimension Diagram 3 1 Indoor Unit Unit inch 33 1 4 8 7 32 11 3 8 4 43 64 7 1 4 21 21 64 Φ2 3 16 Φ2 3 16 1 3 8 1 3 8 5 3 19 64 ...

Page 20: ...ual 3 2 Outdoor Unit 23 5 16 11 1 4 30 10 12 19 32 33 25 64 23 5 16 30 9 16 21 1 4 12 5 8 28 11 1 4 20 10 1 8 GWC12QC D3DNA6H O GWH12QC D3DNA6H O GWH09QC D3DNA1D O GWH12QC D3DNA1D O GWC12QC D3DNC6A O GWH12QC D3DNC6A O Unit inch Unit inch ...

Page 21: ...uction Heat exchanger evaporator Heat exchanger condenser Valve Valve Liquid pipe side Gas pipe side Strainer Capillary Compressor Indoor unit Outdoor unit COOLING HEATING 4 Way valve Discharge Suction Heat exchanger evaporator Heat exchanger condenser Valve Valve Liquid pipe side Gas pipe side Strainer Strainer Capillary Accumlator Compressor 4 Refrigerant System Diagram ...

Page 22: ... specification Liquid pipe 1 4 Gas pipe 3 8 Indoor unit Outdoor unit COOLING HEATING 4 Way valve Discharge Suction Heat exchanger evaporator Heat exchanger condenser Valve Valve Liquid pipe side Gas pipe side Strainer Strainer Capillary Electric Expand Valve Fitting Accumlator Compressor ...

Page 23: ...is model 63610000441 67 33 1 3 2 7 50 1 9 325 725 803 3 0 1 2 5 1 1 1 1 1 7 8 20 287 20 0 18 211 725 3 5 02725 287 225 81 7 7 6 1625 63 63 57 3 5220 78 7 03 6 1625 7 03 6 1625 63 2 5 5 9 5 1 57 6 1 8 0 75 2 21752 5 8 5 1 1 1 3 3 1 02725 0 GWH12QC D3DNA1H I GWC12QC D3DNA6H I GWH12QC D3DNA6H I GWH12QC D3DNC8H I GWC12QC D3DND2H I GWC12QC D3DNA5H I GWC12QC D3DNB6H I GWH12QC D3DNA5H I GWH12QC D3DNB6H I...

Page 24: ...3 9 8 8 5 0 1 7 5 1 32 5 1 1 1 75 2 0 62 7 21 6 7 1 8 5 8 5 1 1 1 1 8 1 1 02725 1 0 1 2 1 5 725 2 0 1 7 5 1 Outdoor Unit GWC12QC D3DNA6H O 6361000044403 67 33 1 3 2 7 50 1 9 325 725 1 02725 803 3 0 1 2 5 1 1 1 1 1 7 8 20 287 20 0 18 211 725 3 5 02725 287 225 81 7 7 6 1625 63 63 57 3 5220 78 7 03 6 1625 7 03 6 1625 63 2 5 5 9 5 1 57 02725 0 6 1 8 0 75 2 21752 5 3OHDVH GRQ W WRXFK DQ HOHFWURQLF FRPS...

Page 25: ... 1 8 1 1 5 1 0 1 7 02725 1 2 5 725 0 1 2 1 7B 7B1 HDWHU DQG RWWRP 127 0RWRU RQO DSSOLHV WR WKH LURQ VKHOO PRWRU JURXQG 3OHDVH GRQ W WRXFK DQ HOHFWURQLF FRPSRQHQW DQG WHUPLQDO ZKHQ WKH PDFKLQH LV UXQQLQJ VWRSSLQJ RU KDV EHHQ SRZHUHG RII IRU OHVV WKDQ PLQXWHV WR SUHYHQW HOHFWULF VKRFN 51 1 2 7 50 1 7 9 8 203 203 9 203 8 3 16 21 9 9 7521 1 9 1 E 1 8 208 1 2 1 1 7 5 1 1 57 57 57 29 203 5 5 6 7 203 203...

Page 26: ...SOR TEMP OG WH L REACTOR L2 L2 PE COMU AC L N AP Main Board BU BK BN U V W SAT OVC COMP RD G G M FAN OFAN CN2 L1 L2 POWER 3 2 N 1 L2 L1 XT TERMINAL OVERLOARD PROTECTOR LX1 2 LX1 1 COMP COMP YE RD U V W BU L3 G θ θ θ groundonly ironshellmotor appliestothe Motor NOTE INDOOR UNIT G L3 BU W V U RD YE COMP COMP LX1 1 LX1 2 PROTECTOR OVERLOARD TERMINAL XT POWER L2 L1 OFAN FAN M G G RD OVC COMP SAT W V U...

Page 27: ... swing terminal 6 Feedback interface of indoor fan 7 Wired controller 8 Interface of display 9 Interface of indoor unit and outdoor unit communication 10 live wire 11 Fuse 12 Auto button GWH12QC D3DNA1H I GWC12QC D3DNA6H I GWH12QC D3DNA6H I GWH12QC D3DNC8H I GWC12QC D3DND2H I GWC12QC D3DNA5H I GWC12QC D3DNB6H I GWH12QC D3DNA5H I GWH12QC D3DNB6H I GWH12QC D3DNB4H I GWC12QC D3DNB4H I GWC12QC D3DNC8H...

Page 28: ...8 9 10 11 1 Neutral wire 2 DC fan 3 Auto button 4 Up down swing 5 Interface of temperature sensor 6 Interface of wired controller 7 Display interface 8 Terminal with outdoor unit communication wire 9 Interface of live wire 10 Fuse Jumper 11 GWH09QC D3DNC2D I GWH12QC D3DNC2D I ...

Page 29: ...oor fan 2 Interface of electric heating belt 3 Interface of 4 way valve 4 Interface of electronic expansion valve 5 Interface of earthing wire 6 Interface of live wire 7 Interface of neutral wire 8 Interface of communication wire for indoor fan and outdoor fan 9 Overload interface of compressor 10 Interface of temperature sensor wire 11 Interface of compressor wire 12 Interface of PFC wire ...

Page 30: ...27 Technical Information Service Manual Outdoor Unit 2 1 3 4 5 6 8 7 9 10 11 12 13 14 15 Top view Bottom view GWH09QC D3DNA1D O GWH12QC D3DNA1D O ...

Page 31: ... Note This is a general use remote controller it could be used for the air conditioners with multifunction For some function which the model doesnt have if press the corresponding button on the remote controller that the unit will keep the original running status After putting through the power the air conditioner will give out a sound Operation indictor is ON red indicator After that you can oper...

Page 32: ...nt temperature Set temperature range from remote controller 16 30 60 8 86 0O F 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 33: ...ange quickly until reaching your required time Press TIMER ON to confirm it The 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 t...

Page 34: ...ng function cant 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 cancel sleep function Under heating mode press TEMP and CLOCK buttons simultaneously to start up or turn off 8 heating function When this function is start...

Page 35: ...ure is the set value under each condition Ambient temperature is Tamb Tcompensation for heat pump unit and Tamb for cooling only unit 4 If theres 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...

Page 36: ...be still in standby mode after finishing refrigerant recycling if the unit is in ON status before refrigerant recycling it will still run in original operation mode 11 Ambient temperature display control mode 1 When user set the remote controller to display set temperature corresponding remote control code 01 current set temperature will be displayed 2 Only when remote control signal is switched t...

Page 37: ...f the compressor is shut down and Tsetup Tindoor ambient temperature Tcooling indoor ambient temperature compensation 32 9ºF start up the machine for cooling the cooling operation will start 2 During operations of cooling if 32ºF Tsetup Tindoor ambient temperature Tcooling indoor ambient temperature compensation 35 6ºF the cooling operation will be still running 3 During operations of cooling if 3...

Page 38: ...hed on 2 Defrosting a Defrosting starts the compressor is shut down and restarts it after 55 second delay b Defrosting ends the compressor stops then starts it after 55 second delay 2 Outer Fans Control Notes Only the outer fans run for at least 80s in each air flow speed can the air flow be switched After the outer fans run compulsively in high speed for 80s when the machine starts up control the...

Page 39: ...e it should not be started and should be stopped to treat according to the overload protection Clear the trouble at the mode of power turn off heating and the protection times are not counted 2 Frequency limited If TCooling overload frequency limited temperature Touter pipe T Cooling overload frequency reducing temperature at normal speed you should limit the frequency raising of compressor 3 Redu...

Page 40: ...rature at normal speed during discharging you should limit the frequency raising of compressor 3 Reducing frequency at normal speed and stopping machine If Tfrequency reducing temperature at normal speed during discharging TDischarge Tfrequency reducing temperature at high speed during discharging you should adjust the compressor frequency by reducing 8Hz 90s till the lower limit After it was runn...

Page 41: ...he compressor frequency by reducing 30Hz 90s till the lower limit After it was running 90s at the lower limit if Tfrequency reducing temperature at normal speed of module T Module you should stop the machine for module overheating protection 5 Power turn off If the TPower turn off temperature of module TModule you should stop the machine for module overheating protection If TModule TLimited freque...

Page 42: ... regarded as four way valve reversion abnormity And then it can run if stop the reversion abnormity protection for four way valve 3 min and if it still cant run when the reversion abnormity protection for four way valve happens to stop working for 3 times in succession it is available if presses ON OFF Attention the protection shall be shielded during the testing mode and defrosting process and it...

Page 43: ...peration 3 When 32ºF Toutdoor amb 35 6ºF the electric heating of chassis will keep original status 7 Electric Heating Function of Compressor 1 When Toutdoor amb 23ºF compressor stops operation while the electric heating of compressor starts operation 2 When Toutdoor amb 28 4ºF the electric heating of compressor stops operation 3 When 23ºF Toutdoor amb 28 4ºF the electric heating of compressor will...

Page 44: ...er without plug an air switch must be installed in the circuit The air switch should be all pole parting and the contact parting distance should be more than 1 8 inch 12 Make sure all wires and pipes are connected properly and the valves are opened before energizing 13 Check if there is electric leakage on the unit body If yes please eliminate the electric leakage 14 Replace the fuse with a new on...

Page 45: ...ompleted 4 If there is refrigerant leakage please take sufficient measure to minimize the density of refrigerant 5 Never touch the refrigerant piping or compressor without wearing glove to avoid scald or frostbite Refrigerant Safety Precautions Improper installation may lead to fire hazard explosion electric shock or injury Installation Safety Precautions connection pipe is not yet connected air w...

Page 46: ... 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 R410A ...

Page 47: ...st 5 7 8 inch At least 5 7 8 inch Space to the wall S p a c e t o t h e o b s t r u c t i o n r o o l f e h t o t e c a p S A t l e a s t 1 1 8 i n c h Space to the obstructio At least 78 5 8 inch Space to the wall At least 11 13 16 inch At least 19 11 16 inch Space to the obstruction At least 11 13 16 inch Space to the obstruction At least 19 11 16 inch Drainage pipe Space to the obstruction ...

Page 48: ...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 49: ...ement 1 The air conditioner is 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 cant be used for other purposes 3 The grounding resistance should comply with national electric safe...

Page 50: ...rame 1 Choose the position of piping hole according to the direction of outlet pipe The position of piping hole should be a little lower than the wall mounted frame As show in Fig 1 5 Connect the Pipe of Indoor Unit 1 Aim the pipe joint at the corresponding bellmouth As show in Fig 5 2 Pretightening the union nut with hand 3 Adjust the torque force by referring to the following sheet Place the ope...

Page 51: ...rd 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 on the wall mounting frame 3 Stuf...

Page 52: ...he pipe before pipe goes into the room in order to prevent rain from getting into the room As show in Fig 24 2 Fix the power connection wire and power cord with wire clip 3 Fix the stopper on handle with screw 2 Install Drain Joint only for cooling and heating unit 1 Connect the outdoor drain joint into the hole on the chassis 2 Connect the drain hose into the drain vent As show in Fig 19 3 Fix Ou...

Page 53: ... to check if the pressure of piezometer remains in 14 5ISP If the pressure decreases there may be leakage 5 Remove the piezometer open the valve core of liquid valve and gas valve completely with inner hexagon spanner 6 Tighten the screw caps of valves and refrigerant charging vent As show in Fig 28 2 Leakage Detection 1 With leakage detector Check if there is leakage with leakage detector 2 With ...

Page 54: ...be sensor open or short circuit Outdoor ambient sensor open or short circuit Indoor tube sensor open or short circuit Indoor ambient sensor open or short circuit Indoor unit and outdoor unit doesn t match Jumper cap malfunction protection No feedback of indoor fan motor Low PN voltage protection PL 21 12 4 way valve reversal abnormal U7 20 DRED1 DRED2 DRED3 Refrigerant leakage protection Compresso...

Page 55: ...ainboard 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...

Page 56: ...he 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 N...

Page 57: ...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 58: ...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 59: ...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 voltmeter to measur...

Page 60: ...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 61: ...oltage between the 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 c...

Page 62: ...igh 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 OFAN i...

Page 63: ...e for compressor stopping enough Fault diagnosis process Y N Y N N Y Y N 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 compresso...

Page 64: ...he compressor 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...

Page 65: ...s 20 minutes 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 ...

Page 66: ...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 resistan...

Page 67: ...ipment 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 outdoor uni...

Page 68: ...thod for details Malfunction of compressor Compressor cant operate Refer to point 5 of maintenance method for details 9 3 Troubleshooting for Normal Malfunction 1 Air Conditioner Cant be Started Up 2 Poor Cooling Heating for Air Conditioner 3 Horizontal Louver Cant Swing Possible Causes Discriminating Method Air conditioner Status Troubleshooting No power supply or poor connection for power plug A...

Page 69: ... 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 Cant 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 all w...

Page 70: ...67 Installation and Maintenance Service Manual 10 Exploded View and Parts List 10 1 Indoor Unit The component picture is only for reference please refer to the actual product ...

Page 71: ...porator Assy 0100297601 0100297601 0100297601 1 15 Wall Mounting Frame 01252484 01252484 01252484 1 16 Cross Flow Fan 10352056 10352056 10352056 1 17 Fan Motor 1501214604 1501214604 1501214604 1 18 Connecting pipe clamp 2611216401 2611216401 2611216401 1 19 Rubber Plug Water Tray 76712012 76712012 76712012 1 20 Stepping Motor 1521210710 1521210710 1521210701 1 21 Crank 73012005 73012005 73012005 1...

Page 72: ...porator Assy 01002000030 0100200003001 0100297601 1 15 Wall Mounting Frame 01252484 01252484 01252484 1 16 Cross Flow Fan 10352056 10352056 10352056 1 17 Fan Motor 1501246601 1501246601 1501214604 1 18 Connecting pipe clamp 2611216401 2611216401 2611216401 1 19 Rubber Plug Water Tray 76712012 76712012 76712012 1 20 Stepping Motor 1521210710 1521210710 1521210701 1 21 Crank 73012005 73012005 730120...

Page 73: ...Generator 14 Evaporator Assy 0100297601 0100297601 1 15 Wall Mounting Frame 01252484 01252484 1 16 Cross Flow Fan 10352056 10352056 1 17 Fan Motor 1501214604 1501214604 1 18 Connecting pipe clamp 2611216401 2611216401 1 19 Rubber Plug Water Tray 76712012 76712012 1 20 Stepping Motor 1521210710 1521210710 1 21 Crank 73012005 73012005 1 22 Electric Box Assy 10000203865 10000203188 1 23 Axile Bush 10...

Page 74: ...a Generator 14 Evaporator Assy 0100297601 0100297601 1 15 Wall Mounting Frame 01252484 01252484 1 16 Cross Flow Fan 10352056 10352056 1 17 Fan Motor 1501214604 1501214604 1 18 Connecting pipe clamp 2611216401 2611216401 1 19 Rubber Plug Water Tray 76712012 76712012 1 20 Stepping Motor 1521210710 1521210710 1 21 Crank 73012005 73012005 1 22 Electric Box Assy 10000203056 10000203057 1 23 Axile Bush ...

Page 75: ...porator Supper 24212179 24212179 1 13 Cold Plasma Generator 14 Evaporator Assy 0100297601 0100297601 1 15 Wall Mounting Frame 01252484 01252484 1 16 Cross Flow Fan 10352056 10352056 1 17 Fan Motor 1501214604 1501214604 1 18 Connecting pipe clamp 2611216401 2611216401 1 19 Rubber Plug Water Tray 76712012 76712012 1 20 Stepping Motor 1521210710 1521210710 1 21 Crank 73012005 73012005 1 22 Electric B...

Page 76: ...a Generator 14 Evaporator Assy 0100297601 0100297601 1 15 Wall Mounting Frame 01252484 01252484 1 16 Cross Flow Fan 10352056 10352056 1 17 Fan Motor 1501214604 1501214604 1 18 Connecting pipe clamp 2611216401 2611216401 1 19 Rubber Plug Water Tray 76712012 76712012 1 20 Stepping Motor 1521210710 1521210710 1 21 Crank 73012005 73012005 1 22 Electric Box Assy 100002001524 10000203548 1 23 Axile Bush...

Page 77: ...ma Generator 14 Evaporator Assy 0100297601 0100297601 1 15 Wall Mounting Frame 01252484 01252484 1 16 Cross Flow Fan 10352056 10352056 1 17 Fan Motor 1501214604 1501214604 1 18 Connecting pipe clamp 2611216401 2611216401 1 19 Rubber Plug Water Tray 76712012 76712012 1 20 Stepping Motor 1521210710 1521210710 1 21 Crank 73012005 73012005 1 22 Electric Box Assy 10000202315 10000203348 1 23 Axile Bush...

Page 78: ...ma Generator 14 Evaporator Assy 0100297601 0100297601 1 15 Wall Mounting Frame 01252484 01252484 1 16 Cross Flow Fan 10352056 10352056 1 17 Fan Motor 1501214604 1501214604 1 18 Connecting pipe clamp 2611216401 2611216401 1 19 Rubber Plug Water Tray 76712012 76712012 1 20 Stepping Motor 1521210710 1521210710 1 21 Crank 73012005 73012005 1 22 Electric Box Assy 10000204246 10000203187 1 23 Axile Bush...

Page 79: ...ma Generator 14 Evaporator Assy 0100297601 0100297601 1 15 Wall Mounting Frame 01252484 01252484 1 16 Cross Flow Fan 10352056 10352056 1 17 Fan Motor 1501214604 1501214604 1 18 Connecting pipe clamp 2611216403 2611216401 1 19 Rubber Plug Water Tray 76712012 76712012 1 20 Stepping Motor 1521210710 1521210710 1 21 Crank 7301200502 73012005 1 22 Electric Box Assy 10000204246 10000202356 1 23 Axile Bu...

Page 80: ...77 Installation and Maintenance Service Manual 10 2 Outdoor Unit GWC12QC D3DNA6H O GWC12QC D3DNC6A O The component picture is only for reference please refer to the actual product ...

Page 81: ...082 1 12 Cable Cross Plate 2 02123014P 02123014P 1 13 Right Side Plate Assy 013030713 013030713 1 14 Cover of pass wire 01413069 01413069 1 15 Inhalation Tube Sub assy 030010000181 03001000262 1 16 Discharge Tube 035008000337 03500800570 1 17 Temperature Sensor 3900030805 3900030805 1 18 Capillary Sub assy 030006000137 03000600339 1 19 Rear Grill 01473009 01473009 1 20 Condenser Assy 011002000133 ...

Page 82: ...79 Installation and Maintenance Service Manual GWH12QC D3DNA6H O GWH12QC D3DNC6A O The component picture is only for reference please refer to the actual product ...

Page 83: ...6113017 2 13 Cover of Pass Wire 01413069 02123014P 1 14 Right Side Plate Assy 013030713 013030713 1 15 Cable Cross Plate 2 02123014P 01413069 1 16 Magnet Coil 4300040050 4300040050 1 17 Capillary Sub assy 030006000141 01473009 1 18 Rear Grill 01473009 03000600327 1 19 Electric Box 20113033 20113033 1 20 Main Board 30138001268 300027000541 1 21 Reactor 43130184 43130184 1 22 Electric Box Assy 10000...

Page 84: ...81 Installation and Maintenance Service Manual The component picture is only for reference please refer to the actual product GWH09QC D3DNA1D O GWH12QC D3DNA1D O ...

Page 85: ... 02123013P 1 17 Cable Cross Plate 2 02123014P 02123014P 1 18 Right Side Plate 0130306903 0130509901P 1 19 4 Way Valve Assy 03073083 03015200098 1 20 4 Way Valve 430004032 430004032 1 21 Reactor 43130185 43130185 1 22 Electric Expansion Valve Sub Assy 07133769 07130369 1 23 Electric Expand Valve Fitting 4300876716 4300876701 1 24 Rear Grill 01473057 01475014 1 25 Condenser Assy 01163565 01100200207...

Page 86: ...ouver Front panel Front case Right filter Groove Left filter Open the front panel 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 1 A1 C2 C8 panel display Screw off the 2 screws that are locking the display board Separate the display board from the front panel 2 A6 panel display Screw off the 2 sc...

Page 87: ...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 cover2 Screw 4 Remove electric box cover2 5 Remove front case sub assy 6 Remove vertical louver Front case sub assy Fro...

Page 88: ...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 89: ...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 90: ...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 91: ...e cross plate 2 2 Remove top cover Before disassamble Remove 3 connection screw fixing cable cross plate 2 and then remove the cable cross plate 2 Remove 1 connection screw fixing valve cover and then remove the valve cover Remove 3 connection screws among top cover plate front panel and right side plate Then remove top cover plate screw Cable cross plate 2 Valve Cover screw top cover plate NOTE T...

Page 92: ... Then remove the front grille Remove connection screws connecting the front panel with the chassis and the motor support and then remove the front panel Remove the nut fixing the blade and then remove the axial flow blade Remove connection screws connecting the right side plate with the valve support and the electric box Then remove the right side plate Grille Panel Axial flow blade Right side pla...

Page 93: ...unsolder the 4 weld spots connecting the 4 way Valve Assy to take it out Note Refrigerant should be discharged firstly Welding process should be as quickly as possible and keep wrapping cotton wet all the time Be sure not to burn out the lead out wire of compressor 7 Remove 4 way valve assy 8 Remove capillary sub assy Unsolder weld point of capillary Sub assy valve and outlet pipe of condensator T...

Page 94: ...motor Remove the 2 tapping screws fixing the motor support Lift motor support to re move it 9 Remove motor and motor support Motor Motor support 10 Remove clapboard sub assy Loosen the screws of the Clapboard Sub Assy The Clapboard Sub Assy has a hook on the lower side Lift and pull the Clapboard Sub Assy to remove Clapboard Sub Assy ...

Page 95: ...lve and air return pipe and remove the gas valve Note it is necessary to warp the gas valve when unsoldering the welding spot Remove the 2 screws fixing liquid valve Unsolder the weld ing spot connecting liquid valve and remove the liquid valve b and remove the compressor Remove the 3 footing screws of the compressor Compressor Gas valve Liquid valve a ...

Page 96: ... cover Remove connection screws between the front grille and the front panel Then remove the front grille top cover front grille cable cross plate sub assy valve cover 1 Remove cable cross plate sub assy and valve cover Remove the screws fixing cable cross plate sub assy and then remove the cable cross plate sub assy Remove the screws fixing valve cover and then remove the valve cover Models GWH09...

Page 97: ...low blade Procedure Steps Remove connection screws connecting the front panel with the chassis and the motor support and then remove the front panel Remove connection screws connecting the right side plate with the valve support and the electric box Then remove the right side plate front panel right side plate ...

Page 98: ...or Remove the 2 tapping screws re move it Remove the 2 screws fixing the cover of elec tric box Lift to remove the cover Loos en thewire and disconnect the terminal Lift to re move the electric box assy Loosen the screws of the clapboard sub assy The clapboard sub assy has a hook on thelower side Lift and pull the clapboard sub assy to remove motor motor support electric box assy clapboard sub ass...

Page 99: ... way Valve Assy with wet cotton and unsolderthe 4 weld spots connecting the 4 way Valve Assy to take it out Note Refrig erant shouldbe discharged firstly Welding processshould be as quickly as possible and keepwrapping cotton wet all the time Be sure notto burn out the lead out wire of com pressor Remove the 3 footing screws of the com pressorand remove the compressor 4 way valve assy compressor ...

Page 100: ...us degree Tf Tcx1 8 32 Ambient temperature Fahrenheit display temperature Fahrenheit Celsius Fahrenheit display temperature Fahrenheit Celsius Fahrenheit display temperature Fahrenheit Celsius 32 33 32 0 55 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 ...

Page 101: ...o the following 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 nu...

Page 102: ... 2 358 233 6 0 717 24 8 60 23 95 9 779 165 2 2 28 235 4 0 697 26 6 57 18 96 8 9 382 167 2 206 237 2 0 678 28 4 54 31 98 6 9 003 168 8 2 133 239 0 66 30 2 51 59 100 4 8 642 170 6 2 064 240 8 0 642 32 49 02 102 2 8 297 172 4 1 997 242 6 0 625 33 8 46 6 104 7 967 174 2 1 933 244 4 0 608 35 6 44 31 105 8 7 653 176 1 871 246 2 0 592 37 4 42 14 107 6 7 352 177 8 1 811 248 0 577 39 2 40 09 109 4 7 065 17...

Page 103: ... 31 95 13 04 165 2 3 04 235 4 0 93 26 6 76 24 96 8 12 51 167 2 94 237 2 0 904 28 4 72 41 98 6 12 168 8 2 844 239 0 88 30 2 68 79 100 4 11 52 170 6 2 752 240 8 0 856 32 65 37 102 2 11 06 172 4 2 663 242 6 0 833 33 8 62 13 104 10 62 174 2 2 577 244 4 0 811 35 6 59 08 105 8 10 2 176 2 495 246 2 0 77 37 4 56 19 107 6 9 803 177 8 2 415 248 0 769 39 2 53 46 109 4 9 42 179 6 2 339 249 8 0 746 41 50 87 11...

Page 104: ... 8 342 8 77 49 19 147 2 10 54 217 4 3 04 8 6 323 9 78 8 47 08 149 10 18 219 2 2 955 10 4 306 2 80 6 45 07 150 8 9 827 221 2 872 12 2 289 6 82 4 43 16 152 6 9 489 222 8 2 792 14 274 84 2 41 34 154 4 9 165 224 6 2 715 15 8 259 3 86 39 61 156 2 8 854 226 4 2 64 17 6 245 6 87 8 37 96 158 8 555 228 2 2 568 19 4 232 6 89 6 36 38 159 8 8 268 230 2 498 21 2 220 5 91 4 34 88 161 6 7 991 231 8 2 431 23 209 ...

Page 105: ... 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 JF00302835 ...

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