Gree GWH12QB-K3DNA5D Page 98 Service Manual Download

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Installation and Maintenance

Service Manual

10.2 Outdoor Unit

The component picture is only for reference; please refer to the actual product.

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GWH12QB-K3DNA6D/O GWH18QD-K3DNA6E/O

Summary of Contents for GWH12QB-K3DNA5D

Page 1: ...ZHUHAI Change for Life Service Manual Models GWH12QB K3DNA5D WIFI GWH12QB K3DNC4D WIFI GWH12QB K3DNE2D WIFI GWH12QB K3DNA6D WIFI GWH18QD K3DNA5E WIFI GWH18QD K3DNA6E WIFI GWH18QD K3DNC4E WIFI GWH18QD...

Page 2: ...Diagram 12 6 Function and Control 14 6 1 Remote Controller Introduction 14 6 2 Operation of Smart Control Smart Phone Tablet PC For Gree 18 6 3 Operation of Smart Control Smart Phone Tablet PC 30 6 4...

Page 3: ...and Parts List 87 10 1 Indoor Unit 87 10 2 Outdoor Unit 95 11 Removal Procedure 97 11 1 Removal Procedure of Indoor Unit 97 11 2 Removal Procedure of Outdoor Unit 102 Appendix 106 Appendix 1 Referenc...

Page 4: ...1 Technical Information Service Manual 1 Summary Part Technical Information Indoor Unit A6 Panel A5 Panel C2 Panel E2 Panel GWH12QB K3DNA6D O GWH18QD K3DNA6E O Outdoor Unit Remote Controller YAN1F1...

Page 5: ...2QB K3DNC4D I 3 GWH12QB K3DNE2D I 4 GWH12QB K3DNA5D I 1 GWH18QD K3DNA6E I 2 GWH18QD K3DNA5E I 3 GWH18QD K3DNC4E I 4 GWH18QD K3DNE2E I Indoor Unit Product Code 1 CB427N04702 CB427N04703 2 CB444N01502 3...

Page 6: ...0 4 Fan Motor Capacitor F Air Flow Volume of Outdoor Unit m3 h 2200 2200 Fan Type Axial flow Axial flow Fan Diameter mm 438 438 Defrosting Method Automatic Defrosting Automatic Defrosting Climate Type...

Page 7: ...itions Indoor DB27 C WB19 C Outdoor DB35 C WB24 C Indoor air flow High Pipe length 5m Conditions Indoor DB20 C WB15 C Outdoor DB7 C WB6 C Indoor air flow High Pipe length 5m Cooling Heating Cooling He...

Page 8: ...ipe connecting indoor and outdoor unit Inlet and outlet pipe temperature of heat exchanger Fan speed of indoor unit Fan speed of outdoor unit Compressor frequency Hz Indoor Outdoor P MPa T1 o C T2 o C...

Page 9: ...cal Information Service Manual 3 Outline Dimension Diagram 3 1 Indoor Unit Unit mm 104 685 181 140 190 38 55 55 38 90 150 54 168 5 462 159 5 55 55 54 W D H 12K 18K Models W H D 12K 790 275 200 18K 970...

Page 10: ...7 Technical Information Service Manual 3 2 Outdoor Unit Unit mm 540 297 842 257 320 596 763...

Page 11: ...ve Discharge Suction Heat exchanger evaporator Heat exchanger condenser Valve Valve Liquid pipe side Gas pipe side Strainer Capillary Strainer Accumlator Compressor 4 Refrigerant System Diagram Connec...

Page 12: ...ack VT Violet OG Orange Note Jumper cap is used to determine fan speed and the swing angle of horizontal lover for this model 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...

Page 13: ...QQLQJ VWRSSLQJ RU KDV EHHQ SRZHUHG RII IRU OHVV WKDQ PLQXWHV WR SUHYHQW 51 1 8 5 1 1 225 81 7 8 203 203 7 32 5 1 0 3 3 127 0RWRU DSSOLHV WR WKH LURQ VKHOO PRWRU JURXQG 75 2 1 02725 RQO GWH12QB K3DNA6D...

Page 14: ...62 7 21 75 3 35 17 5 8 7 2 5 8 1 1 1 8 8 8 5 5 6 1625 2875220 867 6 1625 9 8 1 208 7 03 7 03 7 03 1 225 81 7 6 7 02725 RI HOHFWULF VKRFN 3OHDVH GRQ W WRXFK DQ WHUPLQDO ZKHQ WKH PDFKLQH LV UXQQLQJ VWRS...

Page 15: ...function neutral wire 3 Motor needle stand 4 Interface of health function live wire 5 Auto button 6 Up down swing motor 7 Interface of up down swing motor 8 WIFI Fuse 9 Temperature sensor 10 Terminal...

Page 16: ...erminal 3 Terminal of outdoor unit temperature sensor 4 Compressor overload protection terminal 5 Terminal with indoor unit communication wire 6 Terminal of power supply live wire terminal 7 Terminal...

Page 17: ...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 cont...

Page 18: ...to turn on the unit Press this button again to turn off the unit Press this button to increase set temperature Holding it down above 2 seconds rapidly increases set temperature In AUTO mode set temper...

Page 19: ...function When WIFI function is turned on the icon will be displayed on remote controller Long press MODE and TURBO buttons simultaneously for 10s remote controller will send WIFI reset code and then...

Page 20: ...between signal sender and receiving window should be no more than 8m and there should be no obstacles between them indoor unit during operation Replace new batteries of the same model when replacemen...

Page 21: ...6 2 Operation of Smart Control Smart Phone Tablet PC For Gree Operation Instructions Download and install APP Scan the following QR code with your smart phone and download Wifi Smart Configuration Bef...

Page 22: ...in If password is forgotton you can reset the password Operation steps 1 Select the sever address 2 Account login Slide the page Device and enter the page Menu on the left Tap Login to enter the page...

Page 23: ...list of controllable smart devices will be generated Default name for air conditioner is the last 8 numbers of the air condtioner mac address Step 1 Tap and hold babyroom to enter the page Edit device...

Page 24: ...Save the setting of preset name 3 Set device image Please refer to step 1 in 2 1 3 Control functions 1 Common control functions General control on the operation of smart devices On Off temperature fan...

Page 25: ...an speed Step 2 Advanced settings Tap to enter advanced settings You may select Air Dry Health Light Sleep or Energy saving 2 Advanced control functions Set scene Preset Link Infrared control only app...

Page 26: ...ces Tap to add commands On the page Select execution device select the air conditioner named babyroom Then select ON or OFF Continue to select the next execution device as instructed above Tap to set...

Page 27: ...up and down to set the time If you want to synchronize the time tap synchronize Tap Name to customize the preset name Preset device cant be selected and it will default to babyroom Select On for the...

Page 28: ...nk and enter the page Add linkage Tap Device parameter to enter the page Select device Take baby room as an example Tap baby room Enter the page Select environment parameters Tap Temperature to enter...

Page 29: ...ting days Then tap Save Step 3 Select Execute command Tap Execute command and enter the page Select device Tap the name of device that you want to control Tap ON or OFF and then tap Save to complete t...

Page 30: ...advanced functions Tap Sleep to enter the page Sleep You can select Traditional sleep Expert sleep or DIY sleep Tap DIY sleep and then tap the left and right arrows to set sleep time Tap up and down...

Page 31: ...quick configuration information and units information including backup to cloud and backup list on the cloud Backup to cloud Enter the Menu on the left and tap Backup Tap Backup to cloud and then tap...

Page 32: ...tes etc The server setting here must keep the same as the server setting in Configuration mentioned before Otherwise remote control will be invalid 4 Feedback User can feedback suggestions to back sta...

Page 33: ...ds App will notify user that configuration is successful and return to homepage Download and install APP Scan the following QR code with your smart phone and download Wifi Smart Configuration Before o...

Page 34: ...rgotton you can reset the password Operation steps 1 Select the sever address 2 Account login Slide the page Device and enter the page Menu on the left Tap Login to enter the page Register username Ne...

Page 35: ...list of controllable smart devices will be generated Default name for air conditioner is the last 8 numbers of the air condtioner mac address Step 1 Tap and hold babyroom to enter the page Edit device...

Page 36: ...ys Save the setting of preset name 3 Set device image Please refer to step 1 in 2 1 3 Control functions 1 Common control functions General control on the operation of smart devices On Off temperature...

Page 37: ...just fan speed Step 2 Advanced settings Tap to enter advanced settings You may select Air Dry Health Light Sleep or Energy saving 2 Advanced control functions Set scene Preset Link Infrared control on...

Page 38: ...e Tap to set the interval Tap Save Tap the scene picture displayed in Home control home page to send the command Then the scene Back home will be in execution You may view the execution condition of t...

Page 39: ...name Preset device cant be selected and it will default to babyroom Select On for the timer type Select repeating days to complete the preset Multi device preset This can preset multiple devices to ex...

Page 40: ...and enter the page Add linkage Tap Device parameter to enter the page Select device Take baby room as an example Tap baby room Enter the page Select environment parameters Tap Temperature to enter the...

Page 41: ...days below Repeat to select the repeating days Then tap Save Step 3 Select Execute command Tap Execute command and enter the page Select device Tap the name of device that you want to control Tap ON o...

Page 42: ...Energy saving Sleep etc to set advanced functions Tap Sleep to enter the page Sleep You can select Traditional sleep Expert sleep or DIY sleep Tap DIY sleep and then tap the left and right arrows to s...

Page 43: ...ame and wait for the download 2 Backup To keep backup of the quick configuration information and units information including backup to cloud and backup list on the cloud Backup to cloud Enter the Menu...

Page 44: ...3 Settings User can set vibration message alerts server updates etc The server setting here must keep the same as the server setting in Configuration mentioned before Otherwise remote control will be...

Page 45: ...t 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 m...

Page 46: ...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 contro...

Page 47: ...n 1 If the compressor is shut down and Tset up Tindoor ambient temperature Tcooling indoor ambient temperature compensation 0 5 C start up the machine for cooling the cooling operation will start 2 Du...

Page 48: ...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 Contr...

Page 49: ...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 Frequen...

Page 50: ...ure 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...

Page 51: ...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 mac...

Page 52: ...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...

Page 53: ...p operation 3 When 0 C Toutdoor amb 2 C the electric heating of chassis will keep original status 7 Electric Heating Function of Compressor 1 When Toutdoor amb 5 C compressor stops operation while the...

Page 54: ...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...

Page 55: ...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 Torq...

Page 56: ...to the wall At least 15cm At least 15cm At least 15cm At least 250cm 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 Space to the floor Space to the obstruction Drainage pipe Space to the...

Page 57: ...or 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 installat...

Page 58: ...y otherwise it may cause electric shock 2 The yellow green wire in air conditioner is grounding wire which cant be used for other purposes 3 The grounding resistance should comply with national electr...

Page 59: ...unted frame As show in Fig 1 5 Connect the Pipe of Indoor Unit 1 Aim the pipe joint at the corresponding bellmouth As show in Fig 5 2 Pretightening the union nut with hand 3 Adjust the torque force by...

Page 60: ...ain 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 eve...

Page 61: ...ctric Wire 1 Remove the wire clip connect the power connection wire and power cord to the wiring terminal according to the color fix them with screws As show in Fig 23 6 Neaten the Pipes 1 The pipes s...

Page 62: ...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 conn...

Page 63: ...good 2 Clean the heat exchanger improve radiating environment of unit Ambient temperature is too high 3 Reduce load Poor connection of LPP 4 After de energization reinsert LPP terminal tightly Pressu...

Page 64: ...wer voltage is unstable big fluctuation 1 Check whether power supply network is abnormal Power voltage is too low overload 2 Reduce load Malfunction of hardware 3 Replace outdoor units main board AP1...

Page 65: ...re sensor is damaged Please check it by referring to the resistance table for temperature sensor Main board is damaged 8 Indoor evaporator temperature sensor is open short circuited F2 The unit will s...

Page 66: ...protection of jumper cap C5 Flash 15 times every 3s Operation of remote controller or control panel is available but the unit wont act Jumper cap hasnt been inserted on main board Refer to maintenance...

Page 67: ...r fan stop while indoor fan operates During heating operation all loads stop 14 Malfunction of outdoor discharge temperature sensor F5 During cooling and drying operation compressor and outdoor fan st...

Page 68: ...nd N on wiring board XT If the voltage is higher than 265VAC wait until the power voltage is decreased within normal range and then turn on the unit 1 Check whether power supply network is abnormal 2...

Page 69: ...se Under normal circumstances the resistance between both ends of this terminal should be less than 1 1 After de energization insert OVC COMP terminal tightly 2 See 9 3 diagnosis of overload and disch...

Page 70: ...ction of phase current of compressor Refer to maintenance flowchart 27 H0 Flash 10 times every 3s See 9 3 diagnosis of overheating prevention and overload protection Refer to maintenance flowchart 28...

Page 71: ...diagnosis of charging malfunction for capacitor Refer to maintenance flowchart 32 Circuit malfunction of module temperature sensor P7 Flash 18 times every 3s During cooling and drying operation compr...

Page 72: ...ts main board 2 Replace outdoor units main board AP1 36 Limit decrease frequency due to module temperature protection EU All loads operates normally while operation frequency of compressor decreases R...

Page 73: ...ace indoor units main board replace indoor units motor Discharging method 1 remove the inverter cover Outdoor Unit 2 As shown below connect the discharge resistance approx 100 20W or plug of the sold...

Page 74: ...inboard 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 Y...

Page 75: ...tion 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...

Page 76: ...oard isdefined 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...

Page 77: ...charges slowly The zero cross detectioncircuit of the mainboard isdefined abnormal Malfunction diagnosis process Turn power off for 1minute the turn back on The unit returns to normal Conclusion U8 is...

Page 78: ...capacitor see fig 30 Voltage higher than 200V Malfunction of the outdoor mainboard AP1 Replace outdoor mainboard Measure the voltage input with AC voltmeter see fig 30 Voltage within 180VAC 260VAC Sh...

Page 79: ...If the work load of unit is heavy If radiating of unit is good Malfunction diagnosis process N N Y N Y Y Y N N N N N Y Y Y Y Y H5 H7 or P5 is displayed after turning on the unit Measure if the voltage...

Page 80: ...Y Y Y Y N N N 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...

Page 81: ...me is not sufficient 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...

Page 82: ...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...

Page 83: ...according to the service manual 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...

Page 84: ...ctor of outdoor unit is damaged Malfunction diagnosis process Y Y N N N N Y N N start If power plug is connected well with the socket Connect the plug correctly Check the connection wire between react...

Page 85: ...he communication circuit of indoor mainboard is damaged If the communication circuit of outdoor mainboard AP1 is damaged Malfunction diagnosis process Start If the unit operates normally before malfun...

Page 86: ...d Malfunction is eliminated Malfunction is eliminated Malfunction is eliminated Malfunction is eliminated Check motor and re install the motor to make it run normally Make compressor run normally Remo...

Page 87: ...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...

Page 88: ...hod 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 P...

Page 89: ...parts touching together inside the outdoor unit Theres abnormal sound fro outdoor unit Remove foreign objects Adjust all parts position of outdoor unit tighten screws and stick damping plaster betwee...

Page 90: ...enance Service Manual 10 Exploded View and Parts List 10 1 Indoor Unit 34 The component picture is only for reference please refer to the actual product GWH12QB K3DNA6D I GWH12QB K3DNC4D I GWH12QB K3D...

Page 91: ...erator 1114001603 1 14 Evaporator Assy 0100200004406 0100200004407 1 15 Wall Mounting Frame 01252043 01252043 1 16 Cross Flow Fan 10352059 10352059 1 17 Fan Motor 150120874 150120874 1 18 Connecting p...

Page 92: ...ld Plasma Generator 1114001603 14 Evaporator Assy 0100200004407 0100200004406 1 15 Wall Mounting Frame 01252043 01252043 1 16 Cross Flow Fan 10352059 10352059 1 17 Fan Motor 150120874 150120874 1 18 C...

Page 93: ...r 1 14 Evaporator Assy 0100200004407 1 15 Wall Mounting Frame 01252043 1 16 Cross Flow Fan 10352059 1 17 Fan Motor 150120874 1 18 Connecting pipe clamp 2611216401 1 19 Rubber Plug Water Tray 76712012...

Page 94: ...3 4 5 6 7 8 9 10 11 12 13 14 15 16 18 19 20 21 25 26 27 28 29 30 31 24 33 34 35 37 38 39 22 23 17 32 The component picture is only for reference please refer to the actual product GWH18QD K3DNA6E I G...

Page 95: ...vaporator Assy 01100100020 01100100020 1 17 Cross Flow Fan 10352060 10352060 1 18 Fan Motor 1501214502 1501214502 1 19 Motor Press Plate 26112511 26112511 1 20 Wall Mounting Frame 01362026 01362026 1...

Page 96: ...01100100020 1 17 Cross Flow Fan 10352060 10352060 1 18 Fan Motor 1501214502 1501214502 1 19 Motor Press Plate 26112511 26112511 1 20 Wall Mounting Frame 01362026 01362026 1 21 Connecting pipe clamp 26...

Page 97: ...15 Evaporator Support 24212177 1 16 Evaporator Assy 01100100020 1 17 Cross Flow Fan 10352060 1 18 Fan Motor 1501214502 1 19 Motor Press Plate 26112511 1 20 Wall Mounting Frame 01362026 1 21 Connecting...

Page 98: ...ntenance Service Manual 10 2 Outdoor Unit The component picture is only for reference please refer to the actual product 3 4 5 7 6 2 1 21 24 25 23 22 19 18 16 17 20 8 11 10 13 12 15 14 9 GWH12QB K3DNA...

Page 99: ...tings 00103364 00103388 1 9 Discharge Tube 03500800859 035008000191 1 10 Compressor Gasket 11 Inhalation Tube Sub assy 03001000432 03001000432 1 12 Big Handle 2623343106 2623343106 1 13 Cut off Valve...

Page 100: ...it Horizontal louver Location of step motor Procedure Step 1 Remove filter assembly 2 Remove horizontal louver Front panel Front case Right filter Groove Left filter Open the front panel Push the lef...

Page 101: ...cover 2 and detecting plate WIFI Remove the screws fixing front case Note Open the screw caps before removing the screws arround the air outlet The quantity of screws fixing the front case sub assy is...

Page 102: ...rew 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...

Page 103: ...king 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 ot...

Page 104: ...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...

Page 105: ...of Outdoor Unit Procedure Steps 1 Before disassembly 3 Remove top cover 2 Remove big handle top cover big handle big handle and then remove it Remove connection screws connecting the top panel with t...

Page 106: ...g the front panel with the chassis and the motor support and then remove the front panel Remove connection screws connecting the right side plate with the valve support and the electric box Then remov...

Page 107: ...ft the electric box to remove it sheet and then remove the isolation sheet Unsolder the welding joint connecting the capillary valves and the outlet pipe of condenser to remove the capillary Do not bl...

Page 108: ...rant completely before unsoldering when unsoldering wrap the gas valve with a wet cloth completely to avoid damage to the valve caused by high temperature valve and unsolder the welding joint connecti...

Page 109: ...32 0 55 56 55 4 13 79 80 78 8 26 34 35 33 8 1 57 58 57 2 14 81 80 6 27 36 35 6 2 59 60 59 15 82 83 82 4 28 37 38 37 4 3 61 62 60 8 16 84 85 84 2 29 39 40 39 2 4 63 62 6 17 86 87 86 30 41 42 41 5 64 65...

Page 110: ...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...

Page 111: ...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 1...

Page 112: ...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...

Page 113: ...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...

Page 114: ...Zhuhai Guangdong China 519070 Tel 86 756 8522218 Fax 86 756 8669426 Email gree gree com cn Http www gree com HONG KONG GREE ELECTRIC APPLIANCES SALES LIMITED Add Unit 2612 26 F Miramar Tower 132 Natha...

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