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Technical Information

Service Manual

3.2 Outdoor Unit

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Unit:mm

GWH09UB-K6DNA4A/O

GWH18UC-K6DNA4A/O

965

897

340

396

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700

560

Содержание SAA1FB1

Страница 1: ...Service Manual Change for life GREE ELECTRIC APPLIANCES INC OF ZHUHAI ...

Страница 2: ...agram 13 5 2 PCB Printed Diagram 16 6 Function and Control 20 6 1 Remote Controller Introduction 20 6 2 GREE App Operation Manual 26 6 3 Ewpe Smart App Operation Manual 27 6 4 Brief Description of Modes and Functions 28 Part Ⅱ Installation and Maintenance 35 7 Notes for Installation and Maintenance 35 8 Installation 39 8 1 Installation Dimension Diagram 39 8 2 Installation Parts checking 41 8 3 Se...

Страница 3: ... and Parts List 68 10 1 Indoor Unit 68 10 2 Outdoor Unit 72 11 Removal Procedure 76 11 1 Removal Procedure of Indoor Unit 76 11 2 Removal Procedure of Outdoor Unit 85 Appendix 95 Appendix 1 Reference Sheet of Celsius and Fahrenheit 95 Appendix 2 Configuration of Connection Pipe 95 Appendix 3 Pipe expanding method 96 Appendix 4 List of Resistance for Temperature Sensor 97 ...

Страница 4: ... O GWH18UC K6DNA4A O No Model Product code Indoor model Indoor product code Outdoor model Outdoor product code Remote Controller 1 GWH09UB K6DNA4A CB264002100 GWH09UB K6DNA4A I CB264N02100 GWH09UB K6DNA4A O CB264W02100 SAA1FB1 2 GWH12UB K6DNA4A CB264002200 GWH12UB K6DNA4A I CB264N02200 GWH12UB K6DNA4A O CB264W02200 3 GWH18UC K6DNA4A CB264002000 GWH18UC K6DNA4A I CB264N02000 GWH18UC K6DNA4A O CB264...

Страница 5: ...616 Ф92X616 Fan Motor Cooling Speed r min 1350 1127 1000 870 780 690 600 550 1400 1185 1053 920 829 741 650 550 Fan Motor Heating Speed r min 1400 1151 1074 1000 930 842 750 1500 1185 1119 1053 958 842 750 Output of Fan Motor W 10 10 Fan Motor RLA A 0 3 0 3 Fan Motor Capacitor μF Input of Heater W Evaporator Form Aluminum Fin copper Tube Aluminum Fin copper Tube Pipe Diameter mm Ф7 Ф7 Row fin Gap ...

Страница 6: ...783X38 1X550 763X57X550 Fan Motor Speed rpm 850 850 Output of Fan Motor W 30 30 Fan Motor RLA A 0 24 0 24 Fan Motor Capacitor μF Air Flow Volume of Outdoor Unit m3 h 2400 2400 Fan Type Axial flow Axial flow Fan Diameter mm Ф438 Ф438 Defrosting Method Automatic Defrosting Automatic Defrosting Climate Type T1 T1 Isolation I I Moisture Protection IPX4 IPX4 Permissible Excessive Operating Pressure for...

Страница 7: ...C K6DNA4A I Product Code CB264N02000 Fan Type Cross flow Diameter Length DXL mm Ф107X699 Fan Motor Cooling Speed r min 1350 1150 1050 930 800 700650 600 Fan Motor Heating Speed r min 1400 1200 1100 1000 900 800 750 Output of Fan Motor W 20 Fan Motor RLA A 0 44 Fan Motor Capacitor μF Input of Heater W Evaporator Form Aluminum Fin copper Tube Pipe Diameter mm Ф7 Row fin Gap mm 2 1 5 Coil Length LXDX...

Страница 8: ...Fan Motor Speed rpm 820 Output of Fan Motor W 60 Fan Motor RLA A 0 5 Fan Motor Capacitor μF Air Flow Volume of Outdoor Unit m3 h 3200 Fan Type Axial flow Fan Diameter mm Ф520 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...

Страница 9: ...45 46 Capacity ratio Condition Indoor DB27 C WB19 C Indoor air flow Turbo Pipe length 5m Outdoor temp C Capacity ratio g n i t a e H g n i l o o C 20 15 10 5 0 5 10 110 120 130 100 90 80 70 60 50 40 Outdoor temp C Condition Indoor DB20 C Indoor air flow Turbo Pipe length 5m Cooling Cooling Heating Heating 0 10 20 30 40 50 60 70 90 80 0 10 20 30 40 50 60 70 80 90 100 120 110 11 10 9 8 7 6 5 4 3 2 1...

Страница 10: ... DB20 C WB15 C Indoor air flow High Pipe length 5m Conditions Indoor DB27 C WB19 C Indoor air flow High Pipe length 5m Cooling Capacity ratio Heating Outdoor temp C Outdoor temp C 32 34 36 38 40 42 44 46 54 48 50 52 100 105 95 90 85 80 75 70 65 60 55 50 Conditions Indoor DB27 C WB19 C Indoor air flow Super High Pipe length 5m 40 50 120 110 100 90 80 70 60 10 7 0 8 20 Capacity ratio 30 15 Condition...

Страница 11: ...at exchanger Fan speed of indoor unit Fan speed of outdoor unit Compressor revolution Hz Indoor Outdoor P MPa T1 C T2 C 20 7 6 09 12K 2 8 to 3 0 70 to 35 2 to 4 Super High High 66 20 15 7 6 18K 2 2 to 2 4 in 75 83 out 37 45 in 1 3 out 2 6 Super High High 75 Instruction T1 Inlet and outlet pipe temperature of evaporator T2 Inlet and outlet pipe temperature of condenser P Pressure at the side of big...

Страница 12: ...chnical Information Service Manual 3 Outline Dimension Diagram 3 1 Indoor Unit 125 148 Φ55 Φ55 49 5 80 Φ55 Φ55 W 136 90 684 186 542 179 D H Unit mm Model W H D 09 12K 860 305 170 18K 960 320 205 09 12K 18K ...

Страница 13: ...10 Technical Information Service Manual 3 2 Outdoor Unit 899 810 490 343 303 596 378 Unit mm Unit mm GWH09UB K6DNA4A O GWH18UC K6DNA4A O 965 897 340 396 364 700 560 ...

Страница 14: ...11 Technical Information Service Manual Unit mm GWH12UB K6DNA4A O 596 378 303 899 810 354 550 ...

Страница 15: ...LVE LIQUID SIDE 2 WAY VALVE COOLING HEATING Accumlator Discharge Suction 4 Way valve Electron Strainer Strainer expansion valve Electron expansion valve Strainer D Strainer Intercooler INDOOR UNIT OUTDOOR UNIT HEAT EXCHANGE EVAPORATOR HEAT EXCHANGE CONDENSER COMPRESSOR GAS SIDE 3 WAY VALVE LIQUID SIDE 2 WAY VALVE COOLING HEATING Accumlator Discharge Suction 4 Way valve Electron Strainer Strainer e...

Страница 16: ...ed and the swing angle of horizontal lover for this model 63610000224 6 1 5 11 7 1 7 1 7 5 1 5 725 2 3 60 8 67 33 1 02725 7 5 7 0 0 5 7 5 7 1 1 6 7 02725 0 7 02725 1 02725 7 1 1 6 7 1 02725 1 7 7 216 2 5 20 3 3 78 0 3 1 287 225 81 7 1 3 9 325 725 8 7 8 1 2 7 50 1 1 20 287 3 803 3 0 1 2 5 63 63 1 02725 63 2 5 67 33 1 83 2 1 0 57 57 6 1625 5220 6 1625 5220 7 03 78 7 03 1 L L L 1 3 1 RI HOHFWULF VKRF...

Страница 17: ...Q WKH PDFKLQH LV UXQQLQJ VWRSSLQJ RU KDV EHHQ SRZHUHG RII IRU OHVV WKDQ PLQXWHV WR SUHYHQW HOHFWULF VKRFN 51 1 0 0 0 0 0 600007063097 63610000222 02725 1 0 02725 6 1 5 11 7 1 7 1 7 5 1 5 725 3 60 2 8 67 33 1 02725 7 5 7 0 0 5 7 5 7 1 1 6 7 02725 0 7 02725 1 02725 7 1 1 6 7 1 1 7 7 216 2 5 20 3 3 78 3 1 287 225 81 7 1 3 9 325 725 8 7 8 1 2 7 50 1 1 20 287 3 803 3 0 1 2 5 63 63 63 2 5 67 33 1 83 2 1...

Страница 18: ...0 1 7 5 1 1 1 8 1 5 1 7 50 1 7 2 32 5 1 8 1 1 1 8 1 1 0 1 7 3 9 8 8 203 203 5 8 5 8 8 9 5 0 1 7 5 1 3527 725 29 B 203 5 5 6 7 29 5 2 9 9 3 16 21 7521 5HG 9 9 9 9 97 97 7 27720 7 5 1 KLWH 9 9 9 3 16 21 7521 1 3 3 51 1 3OHDVH GRQ W WRXFK DQ HOHFWURQLF FRPSRQHQW RU WHUPLQDO ZKHQ WKH PDFKLQH LV UXQQLQJ VWRSSLQJ RU KDV EHHQ SRZHUHG RII IRU OHVV WKDQ PLQXWHV WR SUHYHQW WKH ULVN RI HOHFWULF VKRFN 20 11 5...

Страница 19: ...outdoor unit 9 Tube temperature sensor 13 Up down swing 2 2 Interface of fuse 6 Interface of jumper cap 10 Ambient temperature sensor 14 Up down swing 1 3 Interface of live wire 7 Indoor fan motor 11 Communication interface for radio frequency WIFI 15 Display interface 4 Interface of communication wire for neutral wire and live wire 8 Up down swing 3 12 Interface of left right swing 09 12K ...

Страница 20: ... 3 13 Interface of left right swing 2 Health interface 6 Interface of communication wire for neutral wire and live wire 10 Tube temperature sensor 14 Up down swing 2 3 Interface of fuse 7 Interface of jumper cap 11 Ambient temperature sensor 15 Up down swing 1 4 Interface of live wire 8 Interface of DC motor 12 Communication interface for radio frequency WIFI 16 Display interface 18K ...

Страница 21: ...pansion valve 1 5 Terminal of electronic expansion valve 2 6 Low temperature cooling sensor 7 Terminal of outdoor fan 8 Terminal of chassis electric heater 9 Terminal of 2 way valve 10 Terminal of 4 way valve 11 Communication wire with indoor unit 12 Live wire terminal 13 Earthing wire terminal 14 Neutral wire terminal Bottom view Top view 1 2 3 4 5 6 7 8 9 10 11 12 13 14 09 12K ...

Страница 22: ...ame 1 Electric Expansion Valve Sub Assy 2 Temperature Sensor 3 Compressor Overload Protector External 4 Terminal of outdoor fan 5 4 way valve terminal 6 Live wire 7 Communication interface 8 Fuse 9 Grounding wire 10 Neutral wire 11 Rectifier 12 Interface of compressor wire 13 Terminal of 2 way valve ...

Страница 23: ...conditioner will enter matching automatically If matching is done the unit will give out three sounds if matching is failed please get closer to the unit and arrange matching again Matching instructions This model adopts RF remote control The remote controller shall be matched with the air conditioner before operation otherwise the remote control will be invalid Before operation please read the in...

Страница 24: ...void detecting inaccurate ambient temperature When I FEEL function is turned on the remote controller should be put within the area where indoor unit can receive the signal sent by the remote controller Auto Introduction for Icons on Display Screen battery power Send signal 8ć heating function I feel function Set fan speed Temp display type Set temp Outdoor ambient temp Indoor ambient temp Heat mo...

Страница 25: ...unit no display stops at current position AUTO COOL FAN DRY HEAT Note For preventing cold air after starting up heating mode indoor unit will delay 1 5 minutes to blow air actual delay time is depend on indoor ambient temperature Set temperature range from remote controller 16 30 C 61 86 F 9 button Under simple swing mode press this button can turn on display icon or turn off not display icon up d...

Страница 26: ... set temperature indoor ambient temperature or outdoor ambient temperature on indoor units display The setting on remote controlleris selected circularly as below When selecting or no display with remote controller temperature indicator on indoor unit displays set temperature When selecting with remote controller temperature indicator on indoor unit displays indoor ambient temperature When selecti...

Страница 27: ...r HEATING button is pressed during the setting or inquiry procedure remote controller will also exit the sleep curve setting Sleep 4 is Siesta mode The set temperature will change automatically according to the features of siesta Sleep function will be disabled if the air condition is restarted after power failure when sleep function is turned on quite fan speed will be also turned on Sleep functi...

Страница 28: ...ure cant be adjusted Sleep function and 8 heating function cant operate at the same time If 8 heating function has been set under heating mode press sleep button will cancel 8 heating function If sleep function has been set under heating mode start up the 8 heating function will cancel sleep function Under temperature display the remote controller will display 46 heating Note During operation poin...

Страница 29: ...l 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 Android...

Страница 30: ... 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 31: ...nt defrosting the unit will defrost automatically according to frosting condition and operation indicator will be on 10s and off 0 5s circularly As for non strop defrosting the indoor fan will be started up according to the frosting condition and the operation indicator will be on 10s and off 0 5s circularly Protection function refer to outdoor unit instruction for inverter unit 4 Fan mode Under t...

Страница 32: ...evention protection Other malfunction E2 High power protection Other malfunction L9 Lacking inverse phase protection of compressor Other malfunction U2 PFC current malfunction Other malfunction HC High DC bus bar voltage protection Other malfunction PH Low DC bus bar voltage protection Other malfunction PL Freon lacking protection Other malfunction F0 Mode shock Malfunction of hardware E7 Non matc...

Страница 33: ...nt recovery function Within 5min after energization on or off status set cooling mode with remote controller and adjust the temperature at 16 C When pressing light button on remote controller to any one indoor unit for 3 times within 3s the complete unit will enter into refrigerant recovery status after setting is succeeded and all indoor unit displayed F0 After that maintenance staff turns off al...

Страница 34: ...midify and air purifier After matching is succeeded you can control the related mode through remote controller 2 I Feel function When I FEEL command is received the controller will operate according to the ambient temperature sent by the remote controller For defrosting and cold blow prevention the unit operates according to the ambient temperature sensed by the air conditioner The remote controll...

Страница 35: ...hould delay 2mins to stop operation and then horizontal louver will stop at the current position 3 Once theres blockage protection to motor cut off the power to resume operation 4 During blockage protection to motor remote controller and buttons are valid and they can turn on or turn off the unit while they wont perform detailed target indoor fan outdoor fan compressor and electric heating tube st...

Страница 36: ...ll operate under heating mode 1 3 2 Stop operation under heating mode a When indoor unit reached OFF or stop operation conditioner compressor stop operation and outdoor fan will delay 1min to stop operation b Switch to cooling drying or fan mode a compressor stops operation b 4 way valve will delay 2min to be de energized c outdoor fan will delayed 30s to stop operation d status of 4 wayvalve ener...

Страница 37: ...ection main relay will break off When low voltage protection is resumed main relay will be closed 2 7 When overload malfunction is occurred compressor stopped operation and outdoor fan will delay 30s to stop operation when malfunction is cleared up and compressor has stopped for 3min the unit will resume operation 2 8 Power protection of compressor 1 When PCB 1500w prohibit increasing frequency 2 ...

Страница 38: ...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 39: ...ay 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 8 Use the specified types of wires for electr...

Страница 40: ... 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 41: ...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 42: ...struction 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 Drainage pipe At least 50cm At least 50cm At least 30cm At least 200cm Space to the obstruction Space to the obstruction Space to the obstruction Space to the obstruction At...

Страница 43: ...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 44: ...mical factory 2 Grounding Requirement 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 co...

Страница 45: ... if the frame is firmly installed by pulling the frame If the plastic expansion particle is loose please drill another fixing hole nearby 3 Install Wall mounting Frame 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 ...

Страница 46: ...ing 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 Stuff the gap between pipes and w...

Страница 47: ...nt reasonably and hidden possibly Min semidiameter of bending the pipe is 10cm 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 the room As show in Fig 24 2 Fix the power connection wire and power cord with wire clip 2 Install Drain Joint Only for cooling and heating unit 1 Connect...

Страница 48: ...etricity The water outlet can t be placed in water 1 Use Vacuum Pump 1 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 o...

Страница 49: ...protection E5 During cooling and drying operation compressor and outdoor fan stop while indoor fan operates During heating operation all loads stop 1 Supply voltage is unstable 2 Supply voltage is too low and load is too high 3 Evaporator is dirty 6 Communi cation Malfunction E6 During cooling operation compressor stops while indoor fan motor operates During heating operation the complete unit sto...

Страница 50: ...ent temperature sensor is open short circuited F3 During cooling and drying operating compressor stops while indoor fan operates During heating operation the complete unit will stop operation Outdoor temperature sensor hasnt been connected well or is damaged Please check it by referring to the resistance table for temperature sensor 15 Outdoor condenser temperature sensor is open short circuited F...

Страница 51: ...oltage is higher than 265VAC turn on the unit after the supply voltage is increased to the normal range 2 If the AC input is normal measure the voltage of electrolytic capacitor C on control panel AP1 if its normal theres malfunction for the circuit please replace the control panel AP1 22 Voltage of DC bus bar is too low PL During cooling and drying operation compressor will stop while indoor fan ...

Страница 52: ...nsor circuit P7 During cooling and drying operation compressor will stop while indoor fan will operate During heating operation the complete unit will stop Replace outdoor control panel AP1 30 Module high temperature protection P8 During cooling operation compressor will stop while indoor fan will operate During heating operation the complete unit will stop After the complete unit is de energized ...

Страница 53: ...r feedback terminal 2 Bad contact of DC motor control end 3 Fan motor is stalling 4 Motor malfunction 5 Malfunction of mainboard rev detecting circuit 37 Desynchro nizing of compressor H7 During cooling and drying operation compressor will stop while indoor fan will operate During heating operation the complete unit will stop operation Refer to the malfunction analysis IPM protection loss of synch...

Страница 54: ...ating operation the complete unit will stop Supply voltage is unstable 45 Malfunction of complete units current detection U5 During cooling and drying operation the compressor will stop while indoor fan will operate During heating operating the complete unit will stop operation Theres circuit malfunction on outdoor units control panel AP1 please replace the outdoor units control panel AP1 46 The f...

Страница 55: ...roken 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 short cir...

Страница 56: ...n indoor fan and main board is loose Turn unit on to check whether the malfunction is eliminated Turn unit on to check whether the malfunction is eliminated Reinsert the wiring terminal of indoor fan It s the malfunction of main board Replace a new main board that is of the same model It s the malfunction of main board Replace a new main board that is of the same model Replace a new main board tha...

Страница 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...

Страница 58: ...e 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 t...

Страница 59: ...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 No no N...

Страница 60: ...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 61: ... of detecting plate WIFI JF 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 5 Malfunction of detecting plate WIFI JF ...

Страница 62: ...ge higher than 200V Malfunction of the outdoor mainboard AP1 Replace outdoor mainboard Measure the voltage input with AC voltmeter Voltage within 180VAC 260VAC Shut down the power and wait 20 minutes or use DC voltmeter to measure the voltage on the two ends of electrolytic capacitor until the voltage is lower than 20V Check the connection of reactor and connection wire If the wiring of reactor L ...

Страница 63: ...e resume to the range of 210VAC 250VAC Correctly connect the wires of compressor according to the electric wiring diagram and then turn on the unit Check the connection between the control board and the compressor by referring to the electric wiring diagram Check whether wires of compressor UVW are connected correctly Measure the resistance value among three terminals UVW of compressor with a resi...

Страница 64: ... E8 is displayed If the outdoor ambient temperature is higher than 53 Normal protection please use it after improving the outdoor ambient temperature Unit restarts normally Unit restarts normally If the radiating of indoor and outdoor unit is good Improve the radiating environment of unit clean the heat exchanger and remove surrounding obstacles If the indoor and outdoor fan are running normally C...

Страница 65: ...icient and the high and low pressure of system is not balanced please start the unit after 3min If the compressor wire COMP UVW is well connected and connection sequence is correct Check the connection situation of outdoor mainboard AP1 and compressor COMP and the connect it according to wiring diagram If the refrigerant charging amount is too much Does the unit start up normally Charge the refrig...

Страница 66: ...n valve damaged If the refrigerant is leaked The compressor overload protection terminal is not connected well with the mainboard If the overload protector is damaged Heat exchange of unit is not good heat exchanger is dirty and unit radiating environment is bad Too much load of the system causes high temperature of compressor after working for a long time Malfunction of discharge temperature sens...

Страница 67: ...anual Compressor overload protection terminal is not connected well with the mainboard reconnect them correctly Heat exchange of unit is not good heat exchanger is dirty and unit radiating environment is bad improve the radiating environment and clean the heat exchanger Too much load of the system causes high temperature of compressor after working for a long time decrease the load for operation I...

Страница 68: ...y before malfunction Check built in wiring of indoor and outdoor unit If the wiring is damaged Replace the wire Check the malfunction type with communication malfunction detector Malfunction of outdoor communication circuit Replace outdoor mainboard AP1 Replace indoor mainboard AP2 Is the malfunction eliminated Is the malfunction eliminated End Check the connection wire according to the wiring dia...

Страница 69: ...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...

Страница 70: ... 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 71: ... 1 Indoor Unit The component picture is only for reference please refer to the actual product GWH09UB K6DNA4A I GWH12UB K6DNA4A I 1 3 2 4 5 52 6 7 8 9 10 12 13 14 15 16 17 18 19 25 54 26 27 29 30 50 31 32 33 34 35 36 37 38 39 53 40 42 43 44 45 46 47 11 51 28 41 48 49 20 21 22 23 24 ...

Страница 72: ...6401 1 24 Wall Mounting Frame 01252484 01252484 1 25 Jumper 4202300101 4202300105 1 26 Main Board 30138000654 30138000654 1 27 Mouseproof Board 26112344 26112344 1 28 Shield Cover of Electric Box Sub assy 01592126 01592126 1 29 Electric Box Assy 100002067340 100002068115 1 30 Rear Case assy 2220228901 2220228901 1 31 Helicoid Tongue sub assy 2611235003 2611235003 1 32 Helicoid Tongue 2611234303 26...

Страница 73: ...70 Installation and Maintenance Service Manual GWH18UC K6DNA4A I 16A N 44 The component picture is only for reference please refer to the actual product ...

Страница 74: ...Connecting pipe clamp 2611216401 1 21 Drainage Hose 05230014 1 22 Motor Press Plate 26112360 1 23 Electric Box Assy 100002067737 1 24 Detecting Plate 30110138 1 25 Main Board 30138000653 1 26 Jumper 4202021918 1 27 Shield Cover of Electric Box Sub assy 01592131 1 28 Mouseproof Board 26112358 1 29 Display Board 30568247 1 30 Air Louver Middle 1051291703 1 31 Helicoid Tongue 2611235705 1 32 Air Louv...

Страница 75: ...enance Service Manual 10 2 Outdoor Unit GWH09UB K6DNA4A O GWH12UB K6DNA4A O The component picture is only for reference please refer to the actual product 22 21 20 19 18 17 24 25 26 16 15 2 14 13 12 27 11 10 9 8 7 6 5 4 3 1 23 ...

Страница 76: ...1 11 Left Side Plate 0130510001P 01303169P 1 12 4 Way Valve Assy 030152060290 030152060290 1 13 Filtering Sub Assy 030184000056 030184000044 1 14 Condenser Assy 011002060644 011002000613 1 15 Fixed Mount 01207800008 01207800008 1 16 Flash Vaporizer Assy 030070060008 030070060008 1 17 Coping 012049000006P 012049000006P 1 18 Main Board 300027060922 300027061006 1 19 Electric Box Assy 100002067338 10...

Страница 77: ...lation and Maintenance Service Manual GWH18UC K6DNA4A O The component picture is only for reference please refer to the actual product 20 7 6 4 2 1 16 11 10 19 18 17 22 23 24 25 26 28 13 12 15 ˑ 5 9 14 27 3 21 8 ...

Страница 78: ...ht Side Plate 0130509402P 1 10 Valve Support Sub Assy 01705066 1 11 Valve Cover 22245002 1 12 Main Board 300027061010 1 13 Electric Box Cover 20125002 1 14 Big Handle 2623525404 1 15 Terminal Board Support sub assy 01713120A 1 16 Temperature Sensor 3900030901 1 17 Condenser Assy 011002060969 1 18 Motor Support Sub Assy 01705036 19 Top Cover Sub Assy 000051060056 1 20 Condenser Support Plate 017950...

Страница 79: ...ution discharge the refrigerant completely before removal Procedure Steps 1 Remove filter sub assy 2 Remove panel a a b c panel clasp Open the panel Remove 3 screws on sealing cover of panel and display with screwdriver screw screw screw Remove clasps on filter Remove filter sub assy with hand filter sub assy ...

Страница 80: ... off power hold both ends of horizontal louver with hand and then draw it out horizontally Remove right end at first Hold the right end of horizontal louver push the connection rod with thumb to sperate the connection rod and horizontal louver Remove hinges at both sides of panel to separate panel and front case and then remove the panel horizontal louver Procedure Steps ...

Страница 81: ...e left end and then install the right end After installation re energize the unit until the horizontal louver is reset After that you can operate the unit c d Remove the left end Hold the end of connection rod with left hand hold the horizontal louver with right hand to separate connection rod and horizontal louver Remove the horizontal louver along the axile center direction screws Procedure Step...

Страница 82: ...w cover with screwdriver Pull out two butt terminals on electric box and then take out connection wire of butt terminal connection wire of inspection board and wire of temperature sensor from the wire groove screw cover screw wire groove clasps butt terminal j Open 4 clasps at left middle and right side of front case with hand Procedure Steps ...

Страница 83: ...ws with screws pull out the indoor tube temperature sensor with hand and then cut off the tileline with scissors Pull out the power plug from motor and stepping motor Take out the electric box shielding cover sub assy shielding cover sub assy of electric box temperature sensor earthing screw earthing screw Procedure Steps ...

Страница 84: ...e groove of electric box with hand Remove screw from press plate of connection pipe with screwdriver Remove press plate of connection pipe with hand to separate it from the bottom case press plate of connection pipe Remove 2 screws at the connection position of evaporator and bottom case with screwdriver evaporator screws wire groove screw screw ...

Страница 85: ... of evaporator with hand connection pipe Lift up the left end of evaporator with hand and then take out the evaporator evaporator Remove crank connection rod Remove 2 screws fixing swing motor cover with screwdriver screws crank connection rod 6 Remove swing blade Procedure Steps ...

Страница 86: ...ess plate motor press plate Take out cross flow blade and motor cross flow blade motor Pull out the shaft rubber cushion block with hand shaft rubber cushion block Remove swing motor sub assy Take out swing connection rod to separate it from the swing blade swing connection rod swing motor sub assy 7 Remove cross flow blade and motor Procedure Steps ...

Страница 87: ...e left drive box with screwdriver Take out right drive box Remove 3 screws fixing left drive box with screwdriver Take out the left drive box left drive box right drive box screws screws a Remove the left side cover plate of front case cover plate 8 Remove drive box Procedure Steps ...

Страница 88: ...over cable cross plate sub assy valve cover panel grille Remove the screws connecting top cover left and right side plate as well as panel to remove the top cover Remove the screws fixing panel to remove the panel Remove the screws connecting panel grille and panel loosen the clamp to remove the panel grille Remove the screws connecting cable cross plate sub assy and right side plate to remove the...

Страница 89: ...ing left side plate and condenser support boa rd to remove the left side plate Remove the screws fixing right side plate and valve support to remove the right side plate Remove the screw nut fixing cross fan blade remove the gasket and spring cushion to remove the cross fan blade left side plate cross fan blade right side plate Steps Procedure ...

Страница 90: ...off the wiring terminal lift to remove the electric box assy Remove the four tapping screws fixing motor pull out the contact tag of motor wiring to remove the motor Remove the two tapping screws fixing motor support and chassis lift to remove the motor support Remove the screws fixing electric reactor to remove the electric reactor electric box assy electric box cove r electric reactor motor supp...

Страница 91: ...flash vaporizer assy Remove the screws connecting mid isolation board chassis and condenser assy to remove the mid isolation Welding cut the spot weld of four way valve assy compressor air suction discharging valve and condenser pipe outlet lift to remove the four way valve assy Note release the refrigerant before welding cutting mid isolation board four way valve assy flash vaporizer assy Steps P...

Страница 92: ...the three feet screwnuts fixing compressor to remove the compressor Remove screws connecting condenser assy and chassis to remove the chassis sub assy Remove screws connecting condenser assy and chassis to remove the condenser assy Remove the screws fixing big and small valve to remove the valves condenser assy small valve big valve Steps Procedure ...

Страница 93: ...d valve cover up ward to remove it 2 1 1 1 Remove top panel Remove handle valve top panel top panel the 3 screws connecting the top panel with the front panel and the right side plate and then remove the top panel 2 Remove grille panel and rear grill Remove the 2 screws connecting the grille and the panel and then remove the grille Steps Procedure ...

Страница 94: ...and the motor support and then remove the panel 3 Remove left side plate and right side plate Remove the screws connecting the right side plate with the chassis the valve support and the electric box and then remove the right side plate assy Remove the screws connecting the left side plate and the chassis and then remove the left side plate assy panel rear grill right side plate leftsideplate Step...

Страница 95: ...ng terminals and then pull the electric box upwards to remove it Remove the 4 tapping screws fixing the motor disconnect the leading wire insert of the motor and then remove the motor Remove the 2 tapping screws fixing the motor support and then pull the motor support upwards to remove it Remove the nuts fixing the blade and then remove the axial flow blade axial flow blade electric box Steps Proc...

Страница 96: ... sheet Remove the 3 screws fixing the isolation sheet and then remove the Isolation sheet Isolation sheet 8 Remove valve support and 4 way valve assy Discharge the refrigerant completely unsolder the pipelines connecting the compressor and the condenser assy and then remove the 4 way valve assy Remove the screws fixing valve support and then remove the valve support 4 way valve assy Valve support ...

Страница 97: ...compressor 10 Remove compressor compressor 11 Remove condenser sub assy Remove the chassis sub assy and condenser sub assy condenser sub assy chassis sub assy 9 Remove flash vaporizer assy Remove the screws connecting mid isolation board lift to remove the flash vaporizer assy flash vaporizer assy Steps Procedure ...

Страница 98: ...n 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 co...

Страница 99: ...lowing steps A Cut the pip Confirm the pipe length according to the distance of indoor unit and outdoor unit Cut the required pipe with pipe cutter B Remove the burrs Remove the burrs with shaper and prevent the burrs from getting into the pipe C Put on suitable insulating pipe D Put on the union nut Remove the union nut on the indoor connection pipe and outdoor valve install the union nut on the ...

Страница 100: ... 66 88 33 10 63 72 2 439 111 0 737 5 63 46 34 10 2 73 2 358 112 0 717 4 60 23 35 9 779 74 2 28 113 0 697 3 57 18 36 9 382 75 2 206 114 0 678 2 54 31 37 9 003 76 2 133 115 0 66 1 51 59 38 8 642 77 2 064 116 0 642 0 49 02 39 8 297 78 1 997 117 0 625 1 46 6 40 7 967 79 1 933 118 0 608 2 44 31 41 7 653 80 1 871 119 0 592 3 42 14 42 7 352 81 1 811 120 0 577 4 40 09 43 7 065 82 1 754 121 0 561 5 38 15 4...

Страница 101: ... 0 983 5 84 61 34 13 59 73 3 144 112 0 956 4 80 31 35 13 04 74 3 04 113 0 93 3 76 24 36 12 51 75 2 94 114 0 904 2 72 41 37 12 76 2 844 115 0 88 1 68 79 38 11 52 77 2 752 116 0 856 0 65 37 39 11 06 78 2 663 117 0 833 1 62 13 40 10 62 79 2 577 118 0 811 2 59 08 41 10 2 80 2 495 119 0 77 3 56 19 42 9 803 81 2 415 120 0 769 4 53 46 43 9 42 82 2 339 121 0 746 5 50 87 44 9 054 83 2 265 122 0 729 6 48 42...

Страница 102: ...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 103: ...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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