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Technical Information

Service Manual

5.2 PCB Printed Diagram

Name

1 Interface of communication wire for

indoor unit and outdoor unit

2 Interface of live wire
3 Interface of health function neutral wire

(Only for the mode with this function)

4 Interface of neutral wire

5 Interface of fan
6 Interface of health function live wire

(Only for the mode with this function)

7 Jumper cap

8 Auto button

9 Up&down swing interface

10 Feedback interface of indoor unit

11 Fuse

12 Interface of wifi
13 Needle stand for tube temperature

sensor

14 Display interface

Gateway interface(Only for the mode
with this function)

Indoor Unit

● Top view

● Bottom view

Содержание CB438007300

Страница 1: ...Service Manual Models Change for life GREE ELECTRIC APPLIANCES INC OF ZHUHAI Models GWH18QD K6DNB8B GWH18QD K6DNE4B GWH18QD K6DNC4B GWH18QD K6DND6B GWH18QD K6DNC6B GWH18QD K6DNC8B Refrigerant R32 ...

Страница 2: ...ted Diagram 12 6 Function and Control 14 6 1 Remote Controller Introduction 14 6 2 GREE App Operation Manual 19 6 3 Ewpe Smart App Operation Manual 20 6 4 Brief Description of Modes and Functions 21 Part Ⅱ Installation and Maintenance 30 7 Notes for Installation and Maintenance 30 8 Installation 34 8 1 Installation Dimension Diagram 34 8 2 Installation Parts checking 36 8 3 Selection of Installati...

Страница 3: ...rts List 63 10 1 Indoor Unit 63 10 2 Outdoor Unit 67 11 Removal Procedure 69 11 1 Removal Procedure of Indoor Unit 69 11 2 Removal Procedure of Outdoor Unit 74 Appendix 78 Appendix 1 Reference Sheet of Celsius and Fahrenheit 78 Appendix 2 Configuration of Connection Pipe 78 Appendix 3 Pipe expanding method 79 Appendix 4 List of Resistance for Temperature Sensor 80 Table of Contents ...

Страница 4: ...ntroller 1 GWH18QD K6DNE4B CB470002400 GWH18QD K6DNE4B I CB470N02400 GWH18AAD K6DNA1B O CB476W00600 YAN1F6 WiFi 2 GWH18QD K6DNC4B CB444007600 GWH18QD K6DNC4B I CB444N07600 3 GWH18QD K6DND6B CB460005300 GWH18QD K6DND6B I CB460N05300 4 GWH18QD K6DNB8B CB438007300 GWH18QD K6DNB8B I CB438N07300 5 GWH18QD K6DNC4B CB444007601 GWH18QD K6DNC4B I CB444N07601 6 GWH18QD K6DNB8B CB438007301 GWH18QD K6DNB8B I ...

Страница 5: ...l of Indoor Unit 1 GWH18QD K6DNB8B I 2 GWH18QD K6DNE4B I 3 GWH18QD K6DNC4B I 4 GWH18QD K6DND6B I 5 GWH18QD K6DNC8B I 6 GWH18QD K6DNC6B I Product Code of Indoor Unit 1 CB438N07300 CB438N07301 2 CB470N02400 CB470N02401 3 CB444N07600 CB444N07601 4 CB460N05300 5 CB456N06000 6 CB443N05300 Fan Type Cross flow Diameter Length DXL mm Ф106X706 Fan Motor Cooling Speed SH H M L SL r min 1230 1130 1030 800 Fa...

Страница 6: ...Motor Speed rpm 900 Output of Fan Motor W 30 Fan Motor RLA A 0 4 Fan Motor Capacitor μF Air Flow Volume of Outdoor Unit m3 h 2200 Fan Type Axial flow Fan Diameter mm Φ438 Defrosting Method Automatic Defrosting Climate Type T1 Isolation I Moisture Protection IPX4 Permissible Excessive Operating Pressure for the Discharge Side MPa 4 3 Permissible Excessive Operating Pressure for the Suction Side MPa...

Страница 7: ...n 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 5m Cooling Heating 32 33 34 35 36 37 38 39 43 15 10 5 40 41 42 100 105 95 90 85 80 75 70 65 60 55 50 110 100 90 80 70 60 50 40 0 5 7 10 Conditions Indoor DB27 C WB19 C Indoor air flow Super High Pipe length 5m Conditions Indoor DB20 C WB1...

Страница 8: ...ervice Manual 2 5 Noise Curve Indoor side noise 60 50 40 30 20 10 0 Indoor Fan Motor Rotating Speed Noice dB A low Middle High Super High Outdoor side noise Compressor frequency Hz Noise dB A 70 60 50 40 30 0 20 40 60 80 100 20 ...

Страница 9: ...ice Manual 104 685 181 140 190 38 Φ55 Φ55 38 133 542 174 43 43 80 143 Ф55 Ф55 104 685 181 140 190 38 Φ55 Φ55 38 133 542 174 43 43 80 143 Ф55 Ф55 3 Outline Dimension Diagram 3 1 Indoor Unit Unit mm W H D Model W H D 18K 970 300 225 ...

Страница 10: ...7 Technical Information Service Manual 3 2 Outdoor Unit 257 780 596 848 286 540 320 257 Unit mm ...

Страница 11: ...model Connection pipe specification Liquid pipe 1 4 6mm Gas pipe 3 8 9 52mm 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 Capillary Strainer Accumlator Compressor ...

Страница 12: ...uction Note Jumper cap is used to determine fan speed and the swing angle of horizontal lover for this model 60000700068802 7 6 1625 7 03 6 1625 7 03 6 1625 57 5220 78 67 33 1 63 35 17 5 8 7 2 5 5 9 5 1 63 2 5 211 7 1 6 1 8 02725 2 7 50 1 3 803 3 8 1 9 325 725 3 7 1 0 287 225 81 7 3 3 1 5 725 2 3 60 1 02725 0 5 8 7 1 7 3 63 63 1 1 57 1 20 287 8 1 02 8 3 0 1 7 5 1 GWH18QD K6DNB8B I CB438N07300 GWH1...

Страница 13: ... 63 2 5 211 7 1 6 1 8 02725 2 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 02 8 3 0 1 7 5 1 60000700068811 60000700068806 7 6 1625 7 03 6 1625 7 03 6 1625 57 5220 78 67 33 1 63 35 17 5 8 7 2 5 5 9 5 1 63 2 5 211 7 1 6 1 8 02725 2 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 02 8 3 5 21752 5 20 0 18 3 5 22...

Страница 14: ...OHFWULF VKRFN 3OHDVH GRQ W WRXFK DQ WHUPLQDO ZKHQ WKH PDFKLQH LV UXQQLQJ VWRSSLQJ RU KDV EHHQ SRZHUHG RII IRU OHVV WKDQ PLQXWHV WR SUHYHQW WKH ULVN 51 1 1 8 1 1 1 8 1 0 1 7 5 1 7 50 1 7 2 1 208 3 1 7 03 6 1625 7 03 6 1625 7 03 57 57 57 6 1625 N N N 28778 2875220 867 9 9 9 97 97 5 725 8 1 0 1 7 5 1 3 0DLQ RDUG 2 1 1 0 3 3 1 02725 3527 725 29 5 2 5 29 203 6 7 5 9 8 203 203 9 8 8 5 0 1 7 5 1 32 5 1 1...

Страница 15: ...ction 4 Interface of neutral wire 5 Interface of fan 6 Interface of health function live wire Only for the mode with this function 7 Jumper cap 8 Auto button 9 Up down swing interface 10 Feedback interface of indoor unit 11 Fuse 12 Interface of wifi 13 Needle stand for tube temperature sensor 14 Display interface 15 Gateway interface Only for the mode with this function Indoor Unit Top view Bottom...

Страница 16: ...15 Top view 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 ...

Страница 17: ...nditioners 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 indicator is ON red indicator the colour is different for different models After that you can operate the air conditioner by usin...

Страница 18: ...URBO 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 Note Under AUTO speed air conditioner will select proper fan speed automatically according to ex factory setting Fan speed under dry mode is low speed X FAN function Hold fan speed button for 2s ...

Страница 19: ... time for timer on After pressing this button icon disappears and the word ON on remote controller blinks Press or button to adjust TIMER ON setting After each pressing or button TIMER ON setting will increase or decrease 1min Hold or button 2s later the time will change quickly until reaching your required time Press TIMER ON to confirm it The word ON will stop blinking icon resumes displaying Ca...

Страница 20: ...TEMP and CLOCK buttons simultaneously again to exit 8 heating function Note Under 8 heating function fan speed is defaulted at auto speed and it cant be adjusted Under 8 heating function set temperature cant be adjusted Press TURBO button and the remote controller wont send signal Sleep function and 8 heating function cant operate at the same time If 8 heating function has been set under cooling m...

Страница 21: ...uld be close to indoor unit during operation Replace new batteries of the same model when replacement is required When you dont use remote controller for a long time please take out the batteries If the display on remote controller is fuzzy or theres no display please replace batteries 1 Press the back side of remote controller marked with as shown in the fig and then push out the cover of battery...

Страница 22: ...ll it When GREE App is installed register the account and add the device to achieve long distance control and LAN control of Gree smart home appliances For more information please refer to Help in App Internet Cellular Other Wi FI Home Wi Fi Home wireless router Home Wi Fi Gree Gree Cloud GREE APP intelligent home appliances iOS system Support iOS7 0 and above version Android system Support Androi...

Страница 23: ... App is installed register the account and add the device to achieve long distance control and LAN control of smart home appliances For more information please refer to Help in App 6 3 Ewpe Smart App Operation Manual iOS system Support iOS7 0 and above version Android system Support Android 4 4 and above version App Download Linkage Internet Cellular Other Wi FI Home Wi Fi Home wireless router Hom...

Страница 24: ...et 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 auto fan sp...

Страница 25: ...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...

Страница 26: ...on 1 If the compressor is shut down and Tset up Tindoor ambient temperature Tcooling indoor ambient temperature compensation 0 5ºC start up the machine for cooling the cooling operation will start 2 During operations of cooling if 0ºC Tset up Tindoor ambient temperature Tcooling indoor ambient temperature compensation 2ºC the cooling operation will be still running 3 During operations of cooling i...

Страница 27: ...ched 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 th...

Страница 28: ... 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 TCooling overload frequency reducing temperature at normal speed you should limit the frequency raising of compressor 3 Reduci...

Страница 29: ...erature 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 run...

Страница 30: ...the compressor frequency by reducing 30Hz 90s till the lower limit After it was running 90s at the lower limit if T frequency reducing temperature at normal speed of module TModule 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 frequ...

Страница 31: ...d be 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 an...

Страница 32: ... stop operation 3 When 0ºC Toutdoor amb 2ºC the electric heating of chassis will keep original status 7 Electric Heating Function of Compressor 1 When Toutdoor amb 5ºC compressor stops operation while the electric heating of compressor starts operation 2 When Toutdoor amb 2ºC the electric heating of compressor stops operation 3 When 5ºC Toutdoor amb 2ºC the electric heating of compressor will keep...

Страница 33: ...e unit adequately grounded The grounding wire cant 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 cant be pressed by hard obj...

Страница 34: ...nstalling the unit at the place where there may be leaked corrosive gas or flammable gas If there leaked gas around the unit it may cause explosion and other accidents 7 Do not use extension cords for electrical connections If the electric wire is not long enough please contact a local service center authorized and ask for a proper electric wire Poor connections may lead to electric shock or fire ...

Страница 35: ... area The naked flame is prohibited in the maintenance area and the no smoking warning board should be hanged Check whether the appliance mark is in good condition Replace the vague or damaged warning mark Welding If you should cut or weld the refrigerant system pipes in the process of maintaining please follow the steps as below a Shut down the unit and cut power supply b Eliminate the refrigeran...

Страница 36: ...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 ...

Страница 37: ...At least 15cm At least 50cm At least 50cm At least 30cm At least 300cm 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 At least 200cm ...

Страница 38: ...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...

Страница 39: ... regulations use qualified power supply circuit and air switch 3 Make sure the power supply matches with the requirement of air conditioner Unstable power supply or incorrect wiring may result in electric shock fire hazard or malfunction Please install proper power supply cables before using the air conditioner 4 Properly connect the live wire neutral wire and grounding wire of power socket 5 Be s...

Страница 40: ...t 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 pipe with insulating pipe and then wrap it with tape A...

Страница 41: ...cord and drain hose with the band As 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 pi...

Страница 42: ...ation with expansion screws 5 Connect Outdoor Electric Wire 1 Remove the wire clip connect the power connection wire and signal control wire only for cooling and heating unit to the 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 1...

Страница 43: ...T to check whether the operation is normal or not If the ambient temperature is lower than 16 the air conditioner cant start cooling 2 Leakage Detection 1 With leakage detector Check if there is leakage with leakage detector 2 With soap water If leakage detector is not available please use soap water for leakage detection Apply soap water at the suspected position and keep the soap water for more ...

Страница 44: ... short circuited F1 Indoor evaporator temperature sensor is open short circuited F2 Module temperature sensor is open short circuited P7 Outdoor ambient temperature sensor is open short circuited F3 Outdoor condenser tube temperature sensor is open short circuited F4 Outdoor discharge temperature sensor is open short circuited F5 Communication malfunction between indoor and outdoor units E6 Malfun...

Страница 45: ...d then peformedischarging NOTE A large capacity electrolytic capacitor is used in the outdoor unit controller inverter Therefore if the power supply is turned off charge charging voltage DC280V to 380V remains and disc harging takes a lot of time After turning off the power source if touching the charging section before discharging an electrical shock may be caused Discharge the electrol ytic capa...

Страница 46: ...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...

Страница 47: ...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...

Страница 48: ...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...

Страница 49: ...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...

Страница 50: ...e wiring diagram Is malfunction eliminated Is malfunction eliminated Is malfunction eliminated Is malfunction eliminated Main board matches with display board Main board of IDU matches with that of ODU Match correctly according to product specification Connection of communication wire is damaged or not Replace the connection wire Replace the main board of IDU Replace the main board of ODU End No N...

Страница 51: ...Manual Start Is malfunction eliminated The end check if the connection wire are correctly connected Replace the detecting plate with the same model Replace the mainboard with the same model Yes Yes No 6 Malfunction of detecting plate WIFI JF ...

Страница 52: ...ion occurs after de energizing and turning on the unit Whether stop time for compressor is more than 3min No No No No No No No Yes Yes Yes Yes Yes No Yes Yes Yes Yes Whether valve of outdoor unit is opened Whether wire connection for compressor is correct Open the valve Is malfunction eliminated Connect wire correctly Is malfunction eliminated Replace electronic expansion valve Is malfunction elim...

Страница 53: ...such as clean heat exchanger improve ventilation etc Turn on the unit again after the power voltage is resumed Charge refrigerant according to service manual Whether the outdoor fan can operate normally Whether the radiation for the unit is in good condition Whether the input voltage is normal Whether refrigerant is superfluous Replace main board of outdoor unit Is malfunction eliminated Replace c...

Страница 54: ...lfunction diagnosis process Start the troubleshooting for temperature sensor Check the connection between temperature sensor and wiring terminal is loose or in poor connection Check whether the temperature sensor is normal according to the Resistance Value Table for Temperature Sensor Insert the temperature sensor well Is malfunction eliminated Is malfunction eliminated Replace the temperature sen...

Страница 55: ...der ambient temperature Whether the resistance 1KΩ Whether wire connection wire electronic expansion valve is in good condition Check the coil of electronic expansion valve If its damaged please replace it Is malfunction eliminated If the refrigerant is leaking please add refrigerant according to Service Manual Is malfunction eliminated Replace main board of outdoor unit End Yes Yes Yes Yes No No ...

Страница 56: ...t for 1 min There is malfunction for the detection circuit on main board of outdoor unit Check the input power and resume the power supply normal Is malfunction eliinated Measure the voltage at both ends of big electrolytic capacitor with the DC notch of universal meter Is the voltage more than 100V Check whether the input voltage is within the normal range Replace main board of outdoor unit End N...

Страница 57: ... fan terminal is connected well Whether the fan is damaged Replace fan capacitor unavailable for DC fan Replace outdoor fan Whether outdoor ambient temperature is more than 53o C Whether radiation inside or outdoor the unit is good Whether outdoor fan operates normally Replace main board of outdoor unit End No Yes Yes Yes Yes No No No Remark When overload protection occurs under cooling mode its b...

Страница 58: ...ompressor wires are connected correctly Whether therere above circumstances Connect compressor wires according to correct wiring method Modify it according to Service Manual and then energize and turn on the unit Measure the resistance beween two phases of three phases of compressor Is resistance value normal Measure the resistance between three phase of compressor and copper pipe Is resistance va...

Страница 59: ...ion of PFC Protection HC Main check point Whether power supply is normal Malfunction diagnosis process Start Check whether power supply is normal Is power abnormal Replace main board of outdoor unit End Turn on the unit again after the power is resumed Yes No ...

Страница 60: ...d of outdoor unit is damaged Malfunction diagnosis process Communication malfunction De energize the unit and then check whether connection wires between indoor unit and outdoor unit and wiring inside the electric box are correct Are wires are connected correctly Replace main board of indoor unit Is malfunction eliminated End Replace main board of outdoor unit Connect wire correctly according to c...

Страница 61: ...e stop time for compressor is more than 3min Whether compressor wires are connected correctly The stop time for unit is not enough high pressure and low pressure of system are unbalanced please wait for 3min and then restart up the unit Whether the refrigerant volume is superfluous Please charge the refrigerant according to Service Manual Is malfunction eliminated Replace main board of outdoor uni...

Страница 62: ...ce 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 doesnt 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 ...

Страница 63: ...etection circuit malfunctions of phase current of compressor U1 Hardware of main board is damaged Please replace main board 4 DC busbar voltage is too high PH Input voltage is too high or unstable Hardware of main board is damaged 5 DC busbar voltage is too low PL Input voltage is too low or unstable Hardware of main board is damaged 6 Malfunction of ODU DC fan L3 The wire terminal of outdoor fan ...

Страница 64: ...od for details Malfunction of compressor Compressor cant operate Refer to point 5 of maintenance method for details 9 3 Maintenance method 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 ...

Страница 65: ... 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...

Страница 66: ...63 Installation and Maintenance Service Manual The component picture is only for reference please refer to the actual product 10 Exploded View and Parts List 10 1 Indoor Unit ...

Страница 67: ... 10352060 1 19 Fan Motor 1501214502 1501214502 1501214502 1 20 Motor Press Plate 26112511 26112511 26112511 1 21 Wall Mounting Frame 01362026 01362026 01362026 1 22 Connecting pipe clamp 2611218801 2611218801 2611218801 1 23 Crank 73012005 73012005 73012005 1 24 Stepping Motor 1521240212 1521240212 1521240212 1 25 Drainage hose 05230014 05230014 05230014 1 26 Electric Box Assy 100002003619 1000020...

Страница 68: ...10352060 10352060 1 19 Fan Motor 1501214502 1501214502 1501214502 1 20 Motor Press Plate 26112511 26112511 26112511 1 21 Wall Mounting Frame 01362026 01362026 01362026 1 22 Connecting pipe clamp 2611218801 2611218801 2611218801 1 23 Crank 73012005 73012005 73012005 1 24 Stepping Motor 1521240212 1521240212 1521240212 1 25 Drainage hose 05230014 05230014 05230014 1 26 Electric Box Assy 100002060872...

Страница 69: ...0 10352060 10352060 1 19 Fan Motor 1501214502 1501214502 1501214502 1 20 Motor Press Plate 26112511 26112511 26112511 1 21 Wall Mounting Frame 01362026 01362026 01362026 1 22 Connecting pipe clamp 2611218801 2611218801 2611218801 1 23 Crank 73012005 73012005 73012005 1 24 Stepping Motor 1521240212 1521240212 1521240212 1 25 Drainage hose 05230014 05230014 05230014 1 26 Electric Box Assy 1000020620...

Страница 70: ...allation and Maintenance Service Manual 10 2 Outdoor Unit The component picture is only for reference please refer to the actual product 4 5 6 8 7 3 2 21 22 23 24 25 26 19 18 16 17 20 9 11 10 27 13 12 15 14 1 ...

Страница 71: ...1233180 1 9 Compressor and Fittings 00103925G 1 10 Compressor Gasket 76710287 3 11 4 Way Valve Assy 030152000158 1 12 Big Handle 2623343106 1 13 Cut off Valve Sub Assy 03005700067 1 14 Cut off Valve Assy 07133691 1 15 Valve Support 26113017 2 16 Front Grill 22413044 1 17 Cabinet 01433033 1 18 Axial Flow Fan 10333011 1 19 Chassis Sub assy 02803213 1 20 Electric Box Assy 017007000305 1 21 Electric B...

Страница 72: ...om thegroove on the front case Then remove the leftand right filters one by one Push out the axile bush on horizontal louver Bend the horizontal louver with hand and then separate the horizontal louver from the crank shaft of step motor to remove it Separate the panel rotation shaft from the groove fixing the front panel and then removes the front panel Screw off the 2 screws that are locking the ...

Страница 73: ...e air outlet The quantity of screws fixing the front case sub assy is different for different models Loosen the connection clasps between front case sub assy and bottom case Lift up the front case sub assy and take it out Screw off the 2 screws that are locking the display board a b Remove the screws on the electric box cover 2 and detecting plate WIFI then remove the electric box cover 2 and dete...

Страница 74: ...crew fixing electric box assy Swing motor Indoor tube temperature sensor Main board Wiring terminal of motor Wiring terminal of stepping motor Grounding Wire binder Cut off the wire binder and pull out 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 ...

Страница 75: ...cking the wire clip and loosen the power cord Remove the wiring terminal of power cord Lift up the main board and take it off Instruction Some wiring terminal of this products is with lock catch and other devices The pulling method is as below Remove the soft sheath for some terminals at first hold the circlip and then pull out the terminals Pull out the holder for some terminals at first holder i...

Страница 76: ...n evaporator up wards to remove it Remove the screws fixing motor clamp and then remove the motor clamp Remove 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 d a b ...

Страница 77: ...ndle and then remove the handle Remove connection screws connecting the top panel with the front panel and the right side plate and then remove the top panel big handle 11 2 Removal Procedure of Outdoor Unit Warning Be sure to wait for a minimum of 20 minutes after turning off all power supplies and discharge the refrigerant completely before removal ...

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Страница 81: ... length of connection pipeFor the unit with standard connection pipe of 5m there is no limitation for themin length of connection pipe For the unit with standard connection pipe of 7 5m and 8m the min length of connection pipe is 3m 3 Max length of connection pipe More details please refer to the specifications 4 The additional refrigerant oil and refrigerant charging required after prolonging con...

Страница 82: ...llowing 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...

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Страница 85: ...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 ...

Страница 86: ...522218 Fax 86 756 8669426 E mail gree gree com cn 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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