Gree GH18QD-D3DNA6E(LCLH) Service Manual Download

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Technical Information

Service Manual

Model List:

Model

Product code

Indoor model

Indoor product

code

Outdoor model

Outdoor product

code

GWC18QD-D3DNA6E(LC) CB427001700 GWC18QD-D3DNA6E/I CB427N01700

GWC18QD-D3DNA6E/O(LC) CB427W01700

GWC18QD-D3DNB4E(LC) CB434001500 GWC18QD-D3DNB4E/I CB434N01500

GWC18QD-D3DNB2E(LC) CB432002700 GWC18QD-D3DNB2E/I CB432N02700

GWC18QD-D3DNA5E(LC) CB425004800 GWC18QD-D3DNA5E/I CB425N04800

GWC18QD-D3DNC2E (LC) CB439000500 GWC18QD-D3DNC2E/I CB439N00500

GWC18QD-D3DNB8E(LC) CB438001900 GWC18QD-D3DNB8E/I CB438N01900

GWC18QD-D3DNA1E(LC)

CB419007900

GWC18QD-D3DNA1E/I CB419N07900

GWH18QD-D3DNA1E(LCLH) CB419008000 GWH18QD-D3DNA1E/I CB419N08000

GWH18QD-D3DNA6E/O(LCLH) CB427W02000

GH18QD-D3DNA6E(LCLH) CB427002000 GWH18QD-D3DNA6E/I CB427N02000

GWH18QD-D3DNB4E(LCLH) CB434001200 GWH18QD-D3DNB4E/I CB434N01200

GWH18QD-D3DNB2E(LCLH) CB432002800 GWH18QD-D3DNB2E/I CB432N02800

GWH18QD-D3DNA5E(LCLH)

CB425004700

GWH18QD-D3DNA5E/I

CB425N04700

CB425004701

CB425N04701

CB425004702

CB425N04702

GWH18QD-D3DNC2E(LCLH) CB439000600 GWH18QD-D3DNC2E/I CB439N00600

GWH18QD-D3DNB8E(LCLH) CB438001500 GWH18QD-D3DNB8E/I CB438N01500

GWC24QE-D3DNA6E(LC) CB427002300 GWC24QE-D3DNA6E/I CB427N02300

GWC24QE-D3DNA6E/O(LC) CB427W02300

GWC24QE-D3DNB4E(LC) CB434001900 GWC24QE-D3DNB4E/I CB434N01900

GWC24QE-D3DNB2E(LC) CB432003000 GWC24QE-D3DNB2E/I CB432N03000

GWC24QE-D3DNA5E(LC) CB425004900 GWC24QE-D3DNA5E/I CB425N04900

GWC24QE-D3DNC2E(LC) CB439000700 GWC24QE-D3DNC2E/I CB439N00700

GWC24QE-D3DNB8E(LC) CB438001700 GWC24QE-D3DNB8E/I CB438N01700

GWC24QE-D3DNA1E(LC) CB419007200 GWC24QE-D3DNA1E/I CB419N07200

GWH24QE-D3DNA1E(LCLH) CB419007800 GWH24QE-D3DNA1E/I CB419N07800

GWH24QE-D3DNA6E(LCLH) CB427002400 GWH24QE-D3DNA6E/I CB427N02400

GWH24QE-D3DNA6E/O(LCLH) CB427W02400

GWH24QE-D3DNB4E(LCLH) CB434001400 GWH24QE-D3DNB4E/I CB434N01400

GWH24QE-D3DNB2E(LCLH) CB432002900 GWH24QE-D3DNB2E/I CB432N02900

GWH24QE-D3DNC2E(LCLH) CB439001500 GWH24QE-D3DNC2E/I CB439N01500

GWH24QE-D3DNA5E(LCLH)

CB425005000

GWH24QE-D3DNA5E/I

CB425N05000

CB425005001

CB425N05001

CB425005002

CB425N05002

GWH24QE-D3DNB8E(LCLH) CB438001800 GWH24QE-D3DNB8E/I CB438N01800

Outdoor Unit:

GWC18QD-D3DNA6E/O(LC)
GWH18QD-D3DNA6E/O(LCLH)
GWC24QE-D3DNA6E/O(LC)
GWH24QE-D3DNA6E/O(LC)(LH)

Remote Controller:

YAN1F1F

Summary of Contents for GH18QD-D3DNA6E(LCLH)

Page 1: ...GREE ELECTRIC APPLIANCES INC OF ZHUHAI Change for Life Service Manual ...

Page 2: ... 11 5 Electrical Part 12 5 1 Wiring Diagram 12 5 2 PCB Printed Diagram 14 6 Function and Control 16 6 1 Remote Controller Introduction 16 6 2 Brief Description of Modes and Functions 20 Part Ⅱ Installation and Maintenance 29 7 Notes for Installation and Maintenance 29 8 Installation 31 8 1 Installation Dimension Diagram 31 8 2 Installation Parts checking 33 8 3 Selection of Installation Location 3...

Page 3: ...ion 56 10 Exploded View and Parts List 58 10 1 Indoor Unit 58 10 2 Outdoor Unit 76 11 Removal Procedure 80 11 1 Removal Procedure of Indoor Unit 80 11 2 Removal Procedure of Outdoor Unit 85 Appendix 90 Appendix 1 Reference Sheet of Celsius and Fahrenheit 90 Appendix 2 Configuration of Connection Pipe 90 Appendix 3 Pipe Expanding Method 91 Appendix 4 List of Resistance for Temperature Sensor 92 ...

Page 4: ...Part Ⅰ Technical Information A6 Panel B4 Panel B2 Panel C2 Panel B8 Panel A1 Panel GWH18QD D3DNA5E I CB425N04701 CB425N04702 GWH24QE D3DNA5E I CB425N05001 CB425N05002 GWH18QD D3DNA5E I CB425N04700 GWC18QD D3DNA5E I GWC24QE D3DNA5E I GWH24QE D3DNA5E I CB425N05000 ...

Page 5: ...00600 GWH18QD D3DNC2E I CB439N00600 16 GWH18QD D3DNB8E LCLH CB438001500 GWH18QD D3DNB8E I CB438N01500 17 GWC24QE D3DNA6E LC CB427002300 GWC24QE D3DNA6E I CB427N02300 GWC24QE D3DNA6E O LC CB427W02300 18 GWC24QE D3DNB4E LC CB434001900 GWC24QE D3DNB4E I CB434N01900 19 GWC24QE D3DNB2E LC CB432003000 GWC24QE D3DNB2E I CB432N03000 20 GWC24QE D3DNA5E LC CB425004900 GWC24QE D3DNA5E I CB425N04900 21 GWC24Q...

Page 6: ... 3 80 3 80 EER Btu h W 10 00 9 37 COP Btu h W 9 50 SEER 16 00 16 00 HSPF 9 00 Application Area yd2 27 50 40 66 27 50 40 66 Indoor Unit Model of indoor unit 1 GWC18QD D3DNA6E I 2 GWC18QD D3DNB4E I 3 GWC18QD D3DNB2E I 4 GWC18QD D3DNA5E I 5 GWC18QD D3DNC2E I 6 GWC18QD D3DNB8E I 7 GWC18QD D3DNA1E I 1 GWH18QD D3DNA6E I 2 GWH18QD D3DNB4E I 3 GWH18QD D3DNB2E I 4 GWH18QD D3DNC2E I 5 GWH18QD D3DNB8E I 6 GW...

Page 7: ...XW inch 34 11 16X26X7 8 33 5 8X26X7 8 Fan Motor Speed rpm 800 800 Output of Fan Motor W 60 60 Fan Motor RLA A 0 365 0 365 Fan Motor Capacitor μF Air Flow Volume of Outdoor Unit CFM 1883 1883 Fan Type Axial flow Axial flow Fan Diameter inch Φ20 1 2 Φ20 1 2 Defrosting Method Automatic Defrosting Climate Type T1 T1 Isolation I I Moisture Protection IP24 IP24 Permissible Excessive Operating Pressure f...

Page 8: ... 73 COP Btu h W 10 00 SEER 16 00 16 00 HSPF 9 00 Application Area yd2 32 29 50 23 32 29 50 23 Indoor Unit Model of indoor unit 1 GWC24QE D3DNA6E I 2 GWC24QE D3DNB4E I 3 GWC24QE D3DNB2E I 4 GWC24QE D3DNA5E I 5 GWC24QE D3DNC2E I 6 GWC24QE D3DNB8E I 7 GWC24QE D3DNA1E I 1 GWH24QE D3DNA6E I 2 GWH24QE D3DNB4E I 3 GWH24QE D3DNB2E I 4 GWH24QE D3DNC2E I 5 GWH24QE D3DNB8E I 6 GWH24QE D3DNA5E I 7 GWH24QE D3D...

Page 9: ...an Motor RLA A 0 365 0 365 Fan Motor Capacitor μF Air Flow Volume of Outdoor Unit CFM 1883 1883 Fan Type Axial flow Axial flow Fan Diameter inch Φ20 1 2 Φ20 1 2 Defrosting Method Automatic Defrosting Climate Type T1 T1 Isolation I I Moisture Protection IP24 IP24 Permissible Excessive Operating Pressure for the Discharge Side ISPG 623 623 Permissible Excessive Operating Pressure for the Suction Sid...

Page 10: ...6ft Conditions Indoor DB70 F WB60 F Outdoor DB19 94 F WB19 04 F Indoor air flow Super High Pipe length 24 6ft 2 3 Capacity Variation Ratio According to Temperature Cooling Cooling Heating Heating 4 5 14 110 100 90 80 70 60 50 40 23 32 41 50 Outdoor temp F Capacity ratio 89 6 91 4 93 2 95 96 8 98 6 100 4 102 2 109 4 104 105 8 107 6 100 105 95 90 85 80 75 70 65 60 55 50 Outdoor temp F Capacity ratio...

Page 11: ...g 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 PSIG T1 F T2 F 70 60 19 94 19 04 18K 507 550 in 167 181 4 out 98 6 113 in 33 8 37 4 out 35 6 42 8 Super High High 75 70 60 19 94 19 04 24K 507 550 in 167 181 4 out 98 6 113 in 33 8 37 4 out 35 6 42 8 Super High High 80 Instructi...

Page 12: ...nual 3 Outline Dimension Diagram 3 1 Indoor Unit W D H 4 27 7 3 16 5 1 2 7 1 2 1 1 2 Φ2 3 16 Φ2 3 16 3 1 8 6 1 11 16 8 1 8 27 7 5 16 Φ2 3 4 Φ2 3 4 Unit inch 18K 24K Models W H D 18K 38 3 16 11 13 16 8 13 16 24K 42 7 16 12 13 16 9 11 16 ...

Page 13: ...10 Technical Information Service Manual 3 2 Outdoor Unit Unit inch 35 13 3 8 27 9 16 15 5 8 38 14 5 16 22 ...

Page 14: ...utdoor unit COOLING HEATING Accumlator 4 Way valve Discharge Suction Discharge Suction Heat exchanger evaporator Heat exchanger evaporator Heat exchanger condenser Heat exchanger condenser Valve Valve Valve Valve Liquid pipe side Gas pipe side Liquid pipe side Gas pipe side Strainer Strainer Strainer Capillary Capillary Compressor Compressor Accumlator Cooling only models Cooling and heating model...

Page 15: ...lack VT Violet OG Orange Note Jumper cap is used to determine fan speed and the swing angle of horizontal lover for this model STEPPING CAP BLOCK TERMINAL G EVAPORATOR JUMP AP2 MAIN BOARD YEGN BK BN YEGN N1 2 N 1 XT1 BU AC L COM OUT COM MANUAL CONNECTOR AP3 WIRED MOTOR OUTDOOR UNIT T SENSOR DISP2 DISP1 RT1 θ AP1 ROOM TUBE TEMP SENSOR TEMP SENSOR DISPLAY BOARD RECEIVER AND θ RT2 SWING UD M2 ELECTRI...

Page 16: ...JKHU WKDQ 9 WR SUHYHQW WKH ULVN RI HOHFWULF VKRFN 51 1 1 1 63610000446 The above data is subject to change without notice Please refer to the nameplate of the unit GWH18QD D3DNA6E O GWH24QE D3DNA6E O 5 1 7 5 27720 5 7B 1 51 1 3OHDVH GRQ W WRXFK DQ WHUPLQDO ZKHQ WKH YROWDJH RI WHUPLQDO 3 DQG 1 DW 3 LV KLJKHU WKDQ 9 WR SUHYHQW WKH ULVN RI HOHFWULF VKRFN 32 5 203 9 8 35 17 5 8 7 2 5 1 1 02725 2 1 7 9...

Page 17: ...of indoor fan 3 Jumper cap 4 Up down swing motor 5 Feedback interface of indoor fan 6 Interface of temperature sensor 7 Interface of wired controller only for the mode with this function 8 Display interface 9 Control port of compressor 10 Interface of communication circuit 11 Live wire 12 Fuse 1 2 3 4 5 6 7 8 9 10 11 12 ...

Page 18: ...e sensor 4 Overload protection of compressor 5 Interface of temperature sensor 6 Electronic expansion valve 7 Low pressure protection of system 8 Interface of fan 9 Interface of 4 way valve 10 Interface of 2 way valve 11 Electric heating belt of chassis 12 lectric heating belt of chassis 13 Communication interface for indoor unit and outdoor unit 14 Live wire 15 Earthing wire 16 Neutral wire 17 Re...

Page 19: ...p Sleep mode Clock Heat 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 b...

Page 20: ...ient 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 tempera...

Page 21: ... 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 22: ...ving 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 8ć heating function When this function is started up and 8ć will be shown on remote controller and t...

Page 23: ...the set value 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 ...

Page 24: ...e 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 to...

Page 25: ...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 26: ...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 27: ...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 28: ...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 29: ...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 30: ...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 can t 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 31: ...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 32: ...the 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...

Page 33: ...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 34: ... At least 8 At least 72 At least 6 At least 6 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 Space to the obstruction Drainage pipe Space to the wall Space to the obstruction Space to the obstructio Space to the obstruction At least 24 At least 12 At least 24 At least 12 At least 78 A t l e a s t 1 1 8 ...

Page 35: ...oor 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 select it accor...

Page 36: ...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 appliance must be positioned so that the plug is...

Page 37: ...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 open end wrench on the pipe joint and place the torque wrench on the union nut Tighten the union nut with torque wrench As show in Fig 6 4 Wrap the indoor pipe and joint of connection pip...

Page 38: ...show in Fig 14 2 Reserve a certain 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 th...

Page 39: ...he wiring terminal according to the color fix them with screws As show in Fig 23 6 Neaten the Pipes 1 The pipes should be placed along the wall bent reasonably and hidden possibly Min semidiameter of bending the pipe is 3 15 16inch 2 If the outdoor unit is higher than the wall hole you must set a U shaped curve in the pipe before pipe goes into the room in order to prevent rain from getting into t...

Page 40: ... Remove the valve caps on the liquid valve and gas valve and the nut of refrigerant charging vent 2 Connect the charging hose of piezometer to the refrigerant 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 14 5ISP 4 Close the vacuum pump and maintain t...

Page 41: ... remove the cover of electric box 2 As shown in the fig below connect the plug of discharge resistance about 100ohm 20W if there is no discharge resistance you can use the plug of soldering iron to point A and B of electrolytic capacitor There will be sparks when touching them Press them forc ibly for 30s to discharge electricity of electrolytic capacitor 3 After finish discharging electricity mea...

Page 42: ...39 Installation and Maintenance Service Manual 9 2 Error Code List ...

Page 43: ...ual It s the normal state Off 3s and blink once during blinking ON 10s and Off 05s Defrosting will occur in heating mode Compressor will operate while indoor fan will stop Complete unit current detection malfunction Off 3s and blink 13 times U5 ...

Page 44: ...ion and Maintenance Service Manual Malfunction of zero cross derection U8 Off 3s and blink 17 times The complete unit stops 1 Power supply is abnormal 2 Detection circuit of indoor control mainboard is abnormal 13 ...

Page 45: ...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 46: ...main board that is of the same model Replace a new main board that is of the same model It s the malfunction of main board Then check whether the voltage between terminal 2 and terminal 3 of the motor interface is 15VDC Connect power and restart the unit Test whether the voltage between terminal 1 and terminal 2 of motor interface is within 280 310VDC Then check whether there is voltage between te...

Page 47: ...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 48: ...n board matches with display board Main board of IDU matches with that of ODU Communication cord is damaged Replace IDU s main board Malfunction eliminated End Connect the line according to wiring diagram Match correctly according to product specification Replace communication cord Replace ODU s main board Malfunction eliminated Malfunction eliminated Malfunction eliminated yes yes yes yes yes yes...

Page 49: ...5 Test 6 Both ends of electrolytic capacitor C47 C47 12V power DC 12V 13V Test 7 Both ends of electrolytic capacitor C60 C60 5V power DC 5V Test 8 Both ends of electrolytic capacitor C73 C73 3 3V power DC 3 3V Test 9 Between S and T Communication circular current DC 56V Test 10 Between point N and GND C50 to N terminal ground signal receiving terminal of outdoor unit Jumping between 0V and 3 3V Te...

Page 50: ...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 mi nutes or use DC voltmeter to...

Page 51: ...compressor COMP is well connected If they are loosened If the connection sequence is correct Is voltage input in the normal range Test the voltage between L N of wiring board XT by DC voltage meter If coil resistance of compressor is normal Is compressor coil insulating to copper pipe well If the work load of unit is heavy If radiating of unit is well If the refrigerant charging is appropriate Mal...

Page 52: ... the voltage 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...

Page 53: ... 1 Check if fan terminal OFAN is connected well 2 Test if resistance value of any two terminals is less than 1k with ohmic meter If the indoor and outdoor fan work well After the unit de energized for 20min Replace control board AP1 If the radiating of outdoor and indoor unit is well Improve the radiating environment of unit Replace outdoor fan Y Replace fan capacitor C1 Anti high temperature over...

Page 54: ...ire COMP UVW is well connected and connection sequence is correct Replace control board AP1 Replace the compressor If malfunction is removed If the stop time of compressor is more than 3min N If the stop time is not enough and the high and low pressure of system is not balance please start it after 3min Improve the connection situation of control board AP1 and compressor COMP connect it with wirin...

Page 55: ...fan works normally If the stop time of compressor is more than 3min Synchronism after energize the unit and start it Connect wire well Synchronism occurred during operation Replace control board AP1 If the radiating of unit is well Remove malfunction Improve the radiating of unit clean heat exchanger and increase ventilation Replace fan capacitor C1 Replace outdoor fan Y N N N Y Y N Replace contro...

Page 56: ...ring diagram Replace EKV coil of electron expansion valve If the wiring terminal FA of electron expansion is well connected Remove malfunction The resistance value of first 4 l ead foot an d th e fifth lead foot is similar less than 100 After the unit de energized for 20min Remove malfunction Y N N N If the overload protector SAT is well connected N Under ambient temperature test the resistance of...

Page 57: ...s Start Check communication circuit of outdoor unit Problem of communication circuit Check built in wiring of indoor and outdoor unit Connection correct Malfunction of circuit is detected with control board AP1 voltage Check connection wire of indoor and outdoor unit with circuit diagram Check connection wire of indoor and outdoor unit with circuit diagram If the unit is operation normal before ma...

Page 58: ...ter Number jumping Outdoor unit malfunction Test voltage value with Test 13 position in diagram with voltage meter Number jumping Test voltage value with Test 11 position in diagram with voltage meter Number jumping Test voltage value with Test 12 position in diagram with voltage meter Y Y Y Y Number jumping The circuit of outdoor unit communication is normal Y N N N N End ...

Page 59: ...hod for details Malfunction of compressor Compressor can t operate Refer to point 5 of maintenance method for details 9 4 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 60: ...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 61: ...l 10 Exploded View and Parts List 10 1 Indoor Unit 18K Unit 36 35 1 10 2 3 4 5 6 7 8 9 11 12 13 14 15 16 18 19 20 21 25 26 27 28 29 32 31 24 33 34 37 38 22 23 17 30 10 The component picture is only for reference please refer to the actual product ...

Page 62: ...g 76512203 76512203 1 15 Evaporator Support 24212177 24212177 1 16 Evaporator Assy 0100200001401 0100200001401 1 17 Cross Flow Fan 10352060 10352060 1 18 Fan Motor 1501214503 1501214503 1 19 Motor Press Plate 26112511 26112511 1 20 Wall Mounting Frame 01362026 01362026 1 21 Connecting pipe clamp 2611218801 2611218801 1 22 Crank 73012005 73012005 1 23 Stepping Motor 1521240212 1521240212 1 24 Drain...

Page 63: ...3 76512203 1 15 Evaporator Support 24212177 24212177 1 16 Evaporator Assy 0100200001401 0100200001401 1 17 Cross Flow Fan 10352060 10352060 1 18 Fan Motor 1501214503 1501214503 1 19 Motor Press Plate 26112511 26112511 1 20 Wall Mounting Frame 01362026 01362026 1 21 Connecting pipe clamp 2611218801 2611218801 1 22 Crank 73012005 73012005 1 23 Stepping Motor 1521240212 1521240212 1 24 Drainage Hose ...

Page 64: ... 76512203 76512203 1 15 Evaporator Support 24212177 24212177 1 16 Evaporator Assy 0100200001401 0100200001401 1 17 Cross Flow Fan 10352060 10352060 1 18 Fan Motor 1501214503 1501214503 1 19 Motor Press Plate 26112511 26112511 1 20 Wall Mounting Frame 01362026 01362026 1 21 Connecting pipe clamp 2611218801 2611218801 1 22 Crank 73012005 73012005 1 23 Stepping Motor 1521240212 1521240212 1 24 Draina...

Page 65: ... 76512203 76512203 1 15 Evaporator Support 24212177 24212177 1 16 Evaporator Assy 0100200001401 0100200001401 1 17 Cross Flow Fan 10352060 10352060 1 18 Fan Motor 1501214503 1501214503 1 19 Motor Press Plate 26112511 26112511 1 20 Wall Mounting Frame 01362026 01362026 1 21 Connecting pipe clamp 2611218801 2611218801 1 22 Crank 73012005 73012005 1 23 Stepping Motor 1521240212 1521240212 1 24 Draina...

Page 66: ... 76512203 76512203 1 15 Evaporator Support 24212177 24212177 1 16 Evaporator Assy 0100200001401 0100200001401 1 17 Cross Flow Fan 10352060 10352060 1 18 Fan Motor 1501214503 1501214503 1 19 Motor Press Plate 26112511 26112511 1 20 Wall Mounting Frame 01362026 01362026 1 21 Connecting pipe clamp 2611218801 2611218801 1 22 Crank 73012005 73012005 1 23 Stepping Motor 1521240212 1521240212 1 24 Draina...

Page 67: ...ing 76512203 76512203 1 15 Evaporator Support 24212177 24212177 1 16 Evaporator Assy 0100200001401 0100200001401 1 17 Cross Flow Fan 10352060 10352060 1 18 Fan Motor 1501214503 1501214503 1 19 Motor Press Plate 26112511 26112511 1 20 Wall Mounting Frame 01362026 01362026 1 21 Connecting pipe clamp 2611218801 2611218801 1 22 Crank 73012005 73012005 1 23 Stepping Motor 1521240212 1521240212 1 24 Dra...

Page 68: ... Fan Bearing 76512203 76512203 1 15 Evaporator Support 24212177 24212177 1 16 Evaporator Assy 0100200001401 0100200001401 1 17 Cross Flow Fan 10352060 10352060 1 18 Fan Motor 1501214503 1501214503 1 19 Motor Press Plate 26112511 26112511 1 20 Wall Mounting Frame 01362026 01362026 1 21 Connecting pipe clamp 2611218801 2611218801 1 22 Crank 73012005 73012005 1 23 Stepping Motor 1521240212 1521240212...

Page 69: ...aring 76512203 76512203 1 15 Evaporator Support 24212177 24212177 1 16 Evaporator Assy 0100200001401 0100200001401 1 17 Cross Flow Fan 10352060 10352060 1 18 Fan Motor 1501214503 1501214503 1 19 Motor Press Plate 26112511 26112511 1 20 Wall Mounting Frame 01362026 01362026 1 21 Connecting pipe clamp 2611218801 2611218801 1 22 Crank 73012005 73012005 1 23 Stepping Motor 1521240212 1521240212 1 24 D...

Page 70: ...Maintenance Service Manual 24K Unit 36 35 37 38 1 8 2 3 4 6 7 9 10 12 13 14 15 17 18 19 20 21 22 23 24 26 27 28 29 30 31 33 5 25 11 16 34 8 32 The component picture is only for reference please refer to the actual product ...

Page 71: ...212178 1 15 Evaporator Assy 01100100029 01100100029 1 16 Cold Plasma Generator 17 Wall Mounting Frame 01252229 01252229 1 18 Motor Press Plate 26112515 26112515 1 19 Fan Motor 1501214501 1501214501 1 20 Connecting pipe clamp 26112514 26112514 1 21 Drainage Hose 0523001405 0523001405 1 22 Stepping Motor 1521240212 1521240212 1 23 Crank 73012005 73012005 1 24 Guide Louver 1051232001 1051232001 1 25 ...

Page 72: ...178 1 15 Evaporator Assy 01100100029 01100100029 1 16 Cold Plasma Generator 17 Wall Mounting Frame 01252229 01252229 1 18 Motor Press Plate 26112515 26112515 1 19 Fan Motor 1501214501 1501214501 1 20 Connecting pipe clamp 26112514 26112514 1 21 Drainage Hose 0523001405 0523001405 1 22 Stepping Motor 1521240212 1521240212 1 23 Crank 73012005 73012005 1 24 Guide Louver 1051232001 1051232001 1 25 Axi...

Page 73: ...212178 1 15 Evaporator Assy 01100100029 01100100029 1 16 Cold Plasma Generator 17 Wall Mounting Frame 01252229 01252229 1 18 Motor Press Plate 26112515 26112515 1 19 Fan Motor 1501214501 1501214501 1 20 Connecting pipe clamp 26112514 26112514 1 21 Drainage Hose 0523001405 0523001405 1 22 Stepping Motor 1521240212 1521240212 1 23 Crank 73012005 73012005 1 24 Guide Louver 1051232001 1051232001 1 25 ...

Page 74: ...4212178 1 15 Evaporator Assy 01100100029 01100100029 1 16 Cold Plasma Generator 17 Wall Mounting Frame 01252229 01252229 1 18 Motor Press Plate 26112515 26112515 1 19 Fan Motor 1501214501 1501214501 1 20 Connecting pipe clamp 26112514 26112514 1 21 Drainage Hose 0523001405 0523001405 1 22 Stepping Motor 1521240212 1521240212 1 23 Crank 73012005 73012005 1 24 Guide Louver 1051232001 1051232001 1 25...

Page 75: ...4212178 1 15 Evaporator Assy 01100100029 01100100029 1 16 Cold Plasma Generator 17 Wall Mounting Frame 01252229 01252229 1 18 Motor Press Plate 26112515 26112515 1 19 Fan Motor 1501214501 1501214501 1 20 Connecting pipe clamp 26112514 26112514 1 21 Drainage Hose 0523001405 0523001405 1 22 Stepping Motor 1521240212 1521240212 1 23 Crank 73012005 73012005 1 24 Guide Louver 1051232001 1051232001 1 25...

Page 76: ...5 Evaporator Assy 01100100029 01100100029 1 16 Cold Plasma Generator 17 Wall Mounting Frame 01252229 01252229 1 18 Motor Press Plate 26112515 26112515 1 19 Fan Motor 1501214501 1501214501 1 20 Connecting pipe clamp 26112514 26112514 1 21 Drainage Hose 0523001405 0523001405 1 22 Stepping Motor 1521240212 1521240212 1 23 Crank 73012005 73012005 1 24 Guide Louver 1051273802 1051273802 1 25 Axile Bush...

Page 77: ...212178 1 15 Evaporator Assy 01100100029 01100100029 1 16 Cold Plasma Generator 17 Wall Mounting Frame 01252229 01252229 1 18 Motor Press Plate 26112515 26112515 1 19 Fan Motor 1501214501 1501214501 1 20 Connecting pipe clamp 26112514 26112514 1 21 Drainage Hose 0523001405 0523001405 1 22 Stepping Motor 1521240212 1521240212 1 23 Crank 73012005 73012005 1 24 Guide Louver 10512738 10512738 1 25 Axil...

Page 78: ...178 1 15 Evaporator Assy 01100100029 01100100029 1 16 Cold Plasma Generator 17 Wall Mounting Frame 01252229 01252229 1 18 Motor Press Plate 26112515 26112515 1 19 Fan Motor 1501214501 1501214501 1 20 Connecting pipe clamp 26112514 26112514 1 21 Drainage Hose 0523001405 0523001405 1 22 Stepping Motor 1521240212 1521240212 1 23 Crank 73012005 73012005 1 24 Guide Louver 1051273802 10512738 1 25 Axile...

Page 79: ...ntenance Service Manual 10 2 Outdoor Unit 24 8 7 6 5 4 3 2 1 16 9 15 14 13 12 11 10 23 20 18 30 25 29 28 27 26 21 19 17 22 31 Cooling only models The component picture is only for reference please refer to the actual product ...

Page 80: ...33204 0713317001 1 13 Valve Cover 22245002 22245002 1 14 Right Side Plate 0130509403P 0130509403P 1 15 Retaining Plate 02115006P 02115006P 1 16 Handle Assy 02113109 02113109 1 17 Wire Clamp 26115004 71010003 1 18 Temperature Sensor 3900030901 3900030901 1 19 Rear Grill 01473043 01473043 1 20 Condenser Assy 01100200338 01100200348 1 21 Coping 01255005P 01255005P 1 22 Motor Support Sub Assy 01705043...

Page 81: ...78 Installation and Maintenance Service Manual Cooling and heating models The component picture is only for reference please refer to the actual product ...

Page 82: ... Valve Sub Assy 07133204 07133975 1 13 Right Side Plate 0130509403P 0130509403P 1 14 Valve Cover 22245002 22245002 1 15 Retaining Plate 02115006P 02115006P 1 16 Handle Assy 02113109 02113109 1 17 Wiring Clamp 26115004 26115004 1 18 Temperature Sensor 3900030901 3900030901 1 19 Rear Grill 01473043 01473043 1 20 Condenser Assy 01100200339 01100200347 1 21 Coping 01255005P 01255005P 1 22 Motor Suppor...

Page 83: ...moval 1 Remove filter assy Open the front panel Push the left and right filters to make them break away from the groove on the front case Then remove the left and right filters one by one Front panel Left filter Groove R ight filter front case Screw off the 2 screws that are locking the display board Separate the display board from the front panel Panel A6 plane display Front panel Panel rotation ...

Page 84: ...nce Service Manual Loosen the connection clasps between front case sub assy and bottom case Lift up the front case sub assy and take it out S wing motor Screw off the screws that are locking the swing motor and take the motor off ...

Page 85: ...t the indoor tube temperature sensor Screw off one grounding screw Remove the wiring terminals of motor and stepping motor Remove the electric box assy Screw off the screws that are locking each lead wire S crew Wire clip Power cord Rotate the electric box assy Twist off the screws that are locking the wire clip and loosen the power cord Remove the wiring terminal of power cord Lift up the main bo...

Page 86: ...llation and Maintenance Service Manual R ear case assy First remove the left side of evaporator from the groove on the rear case assy Then remove the right side from the clasp on the rear case assy Groove Clasp ...

Page 87: ...84 Installation and Maintenance Service Manual ...

Page 88: ...right side plate and then remove the valve cover 2 Remove grille and outer case grille Remove the 4 screws connecting the grille and outer case and then remove the panel grille Remove the screws connecting the top cover with outer case right side plate and left side plate lift the top cover upwards to remove it Steps Procedure b a Warning Be sure to wait for a minimum of 20 minutes after turning o...

Page 89: ...side plate and left side plate and then remove the outer case Remove the screws connecting the right side plate with electric box assy valve support chassis and condenser side plate and then remove the right side plate Remove the screws connecting the left side plate with chassis and then remove the left side plate Steps Procedure left side plate outer case 3 Remove right left side plate right sid...

Page 90: ...he 2 screws connecting the motor support and chassis and then loosen the stopper to remove the motor support Remove the screws fixing the electric box sub assy loosen the wire bundle pull out the wiring terminals and then pull the electric box upwards to remove it Steps Procedure 5 Remove electric box 4 Remove axial flow blade axial flow fan motor support fan motor electric box a b ...

Page 91: ...then remove the isolation plate Unsolder the welding joints connecting the 4 way valve assy with capillary sub assy compressor and condenser remove the 4 way valve Note Before unsoldering the welding joint wrap the 4 way valve with a wet cloth completely to avoid damage to the valve caused by high temperature Steps Procedure 8 Remove 4 way valve assy 7 Remove isolation plate 6 Remove the soundproo...

Page 92: ...s of discharge pipe and suction pipe from foreign objects Remove the screws connecting the support condenser and condenser assy and then remove the support condenser Remove the 2 screws fixing the condenser and chassis and then lift the condenser upwards to remove it Steps Procedure 10 Remove condenser sub assy 9 Remove compressor compressor support condenser chassis subassy sub assy a b ...

Page 93: ...nit throttle Liquid pipe inch Gas pipe inch Cooling only oz ft Cooling and heating oz ft Ф1 4 Ф3 8or Ф1 2 0 2 0 2 Ф1 4 or Ф3 8 Ф5 8 or Ф3 4 0 2 0 2 Ф1 2 Ф3 4 or Ф7 8 0 3 1 3 Ф5 8 Ф1 or Ф1 1 4 0 7 1 3 Ф3 4 2 7 2 7 Ф7 8 3 8 3 8 Cooling capacity Max length of connection pipe Max height difference 5000 Btu h 1465 W 49 21ft 16 40ft 7000 Btu h 2051 W 49 21ft 16 40ft 9000 Btu h 2637 W 49 21ft 32 81ft 120...

Page 94: ...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 95: ...3 4 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...

Page 96: ...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 87 111...

Page 97: ... 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 98: ...2218 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 For product improvement specifications and appearance in this manual are subject to change without prior notice ...

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