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Installation and Maintenance

Service Manual

Step

Procedure

13. Remove isolation sheet

Remove the screws fixing the isolation sheet and then

remove the isolation sheet.

14. Remove clapboard assy

Remove the screws fixing the clapboard assy and then

remove the clapboard assy.

15. Remove compressor

Remove the 3 foot nuts on the compressor and then

remove the compressor.

welding joint

electric expansion

valve sub-Assy

electric expand

valve fitting

clapboard assy

compressor

nut

Содержание CB370001400

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

Страница 2: ...lectrical Part 12 5 1 Wiring Diagram 12 5 2 PCB Printed Diagram 14 6 Function and Control 16 6 1 Remote Controller Introduction for YAU1FB 16 6 2 Brief Description of Models and Functions 20 6 3 GREE...

Страница 3: ...9 3 Troubleshooting for Normal Malfunction 58 10 Exploded View and Parts List 60 10 1 Indoor Unit 60 10 2 Outdoor Unit 62 11 Removal Procedure 66 11 1 Removal Procedure of Indoor Unit 66 11 2 Removal...

Страница 4: ...Controller YAU1FB HOLD 3S WiFi Model list No Model Product code Indoor model Indoor product code Outdoor model Outdoor product code 1 GWH09AECXB K6DNA1A CB370001400 GWH09AECXB K6DNA1A I CB370N01400 G...

Страница 5: ...B K6DNA1A I Product Code CB370N01400 Fan Type Cross flow Fan Diameter Length DXL mm 98X633 Cooling Speed r min 1300 1150 1050 950 800 600 550 500 Heating Speed r min 1300 1150 1050 950 900 800 750 Fan...

Страница 6: ...ngth LXDXW mm 666X38 1X527 Fan Motor Speed rpm 30 Fan Motor Power Output W 0 40 Fan Motor RLA A Fan Motor Capacitor F 1950 Heater Power Input W Outdoor Unit Air Flow Volume m3 h 1950 Fan Type Axial fl...

Страница 7: ...roduct Code CB370N01600 Fan Type Cross flow Fan Diameter Length DXL mm 98X633 5 Cooling Speed r min 1350 1200 1100 1000 850 600 550 500 Heating Speed r min 1350 1200 1120 1050 950 800 750 Fan Motor Po...

Страница 8: ...A A 0 40 Fan Motor Capacitor F Outdoor Unit Air Flow Volume m3 h 2200 Fan Type Axial flow Fan Diameter mm 420 Defrosting Method Automatic Defrosting Climate Type T1 Isolation I Moisture Protection IPX...

Страница 9: ...Capacity ratio Capacity ratio Capacity ratio Capacity ratio Condition Cooling Indoor DB27 C WB19 C Indoor air flow Super High Pipe length 5m Condition Heating Pipe length 5m Indoor DB20 C WB15 C Indoo...

Страница 10: ...ure at the side of big valve Connection pipe length 5 m Cooling Heating Rated cooling condition C DB WB Model Pressure of gas pipe connecting indoor and outdoor unit Inlet and outlet pipe temperature...

Страница 11: ...9 Technical Information Service Manual 3 Outline Dimension Diagram 3 1 Indoor Unit 225 293 945 Unit mm 55 55 122 727 96 43 43 130 58...

Страница 12: ...10 Technical Information Service Manual 3 2 Outdoor Unit GWH09AECXB K6DNA1A O Unit mm 285 675 732 455 310 555 330 GWH12AECXD K6DNA1A O Unit mm 300 555 350 745 802 332 512...

Страница 13: ...harge Suction Heat exchanger evaporator Heat exchanger condenser Valve Valve side Liquid pipe Gas pipe side Strainer Electric expand valve Compressor Accumlator Strainer Indoor unit COOLING 4 Way valv...

Страница 14: ...used to determine fan speed and the swing angle of horizontal lover for this model GWH09AECXB K6DNA1A I GWH12AECXD K6DNA1A I 1 20 287 3 803 3 1 287 225 81 7 7 1 1 1 8 8 1 2 7 50 1 02725 225 20 0 18 57...

Страница 15: ...1 1 8 1 0 1 7 5 1 7 50 1 7 2 32 5 1 1 8 1 1 75 2 3 51 1 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 RI HOHFWU...

Страница 16: ...terface of cold plasma 2 Interface of communication wire 10 Interface of right drive box 3 Firewire control output 11 Interface of left drive box 4 Input terminal of live wire 12 Interface of WIFI 5 F...

Страница 17: ...Name 1 Earthing wire 2 Neutral wire live wire and communication cable 3 4 way valve 4 Electric heating belt of chasssis 5 Outdoor fan 6 Electronic expansion valve 7 Overload 8 Temperature sensor 9 Thr...

Страница 18: ...ton Press this button can select up down angle Fan blow angle can be selected circularly as below Buttons on remote controller Note This is a general use remote controller it could be used for the air...

Страница 19: ...se 1o C two hours setting temperature will decrease 2o C then the unit will run at this setting temperature Sleep 2 is sleep mode 2 that is air conditioner will run according to the presetting a group...

Страница 20: ...tion WiFi icon will be displayed on the remote controller Hold WiFi button for 5s to turn off WiFi function and WiFi icon will disappear Under off status press MODE and WiFi buttons simultaneously for...

Страница 21: ...f not clean it once every three months After the auto clean function is turned on you can leave the room When auto clean is finished the air conditioner will enter standby status This function is only...

Страница 22: ...imited frequency If total current is too high the compressor will stop the outdoor fan will delay 30 seconds to stop indoor unit will display E5 and out door yellow light will blink 5 times Antifreezi...

Страница 23: ...valve will be opened and after 60 seconds the compressor and the outer fan will be started the indoor fan will run under preset cold air prevention conditions and H1 will be displayed at temperature d...

Страница 24: ...nd the outdoor fan will stop with a time lag of 30 seconds If temperature is below 95 the overload protection will be relieved DC bus voltage protection If voltage on the DC bus is below 150V or over...

Страница 25: ...68 F the temperature will decrease 1 C 1 8 F by every hour after sleep function is set the temperature will not change after decreasing 1 C 1 8 F 2 3 When the initial set temperature is 21 27 C 69 8 8...

Страница 26: ...According to the different setting of remote control the nixie light may display the current temperature the temperature scope is from 16 C 60 8 F to 30 C 86 F and indoor ambient temperature The set t...

Страница 27: ...tall 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 A...

Страница 28: ...art 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 4 Ewpe Smart A...

Страница 29: ...ch 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...

Страница 30: ...sure rise or compressor rupture resulting in injury 4 During refrigerant recovery make sure that liquid valve and gas valve are fully closed and power is disconnected before detaching the connection p...

Страница 31: ...are engaging in the refrigeration system should bear the valid certification awarded by the authoritative organization and the qualification for dealing with the refrigeration system recognized by th...

Страница 32: ...t kinds of refrigerant wont contaminate with each other The refrigerant tank should be kept upright at the time of filling refrigerant Stick the label on the system after filling is finished or havent...

Страница 33: ...tape Electroprobe Electronic leakage detector Pipe pliers Pipe pliers Pipe cutter Screw driver Universal meter Vacuum pump Pipe bender Pipe expander Impact drill Drill head Electric drill Torque wrenc...

Страница 34: ...truction At least 50cm Space to the obstruction At least 30cm 50cm At least Space to the obstruction Space to the obstruction At least 200cm Space to the wall At least 30cm Space to the wall At least...

Страница 35: ...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...

Страница 36: ...of installation dimension diagram 5 Select a location which is out of reach for children and far away from animals or plants If it is unavoidable please add fence for safety purpose 8 4 Electric Conne...

Страница 37: ...ole according to the direction of outlet pipe The position of piping hole should be a little lower than the wall mounted frame shown as below As show in Fig 1 2 Open a piping hole with the diameter of...

Страница 38: ...en the screw 5 Close the panel 1 All wires of indoor unit and outdoor unit should be connected by a professional 2 If the length of power connection wire is insufficient please contact the supplier fo...

Страница 39: ...ig 16 Fig 17 1 Take sufficient protective measures when installing the outdoor unit 2 Make sure the support can withstand at least four times the unit weight 3 The outdoor unit should be installed at...

Страница 40: ...Neaten the Pipes 1 The pipes should be placed along the wall bent reasonably and hidden possibly Min semidiameter of bending the pipe is 10cm 2 If the outdoor unit is higher than the wall hole you mu...

Страница 41: ...refrigerant leakage test It may cause insufficient cooling heating capacity 3 Is heat insulation of pipeline sufficient It may cause condensation and water dripping 4 Is water drained well It may caus...

Страница 42: ...efer to the malfunction analysis overload high temperature resistant EEPROM malfunction EE During cooling and drying operation compressor will stop while indoor fan will operate During heating operati...

Страница 43: ...ation frequency for compressor is decreased Poor air return in indoor unit or fan speed is too low Voltage for DC bus bar is too high PH During cooling and drying operation compressor will stop while...

Страница 44: ...1 Bad contact of DC motor feedback terminal 2 Bad contact of DC motor control end 3 Fan motor is stalling 4 Motor malfunction 5 Malfunction of mainboard revdetecting circuit Desynchro nizing of compre...

Страница 45: ...units control panel AP1 please replace the outdoor units control panel AP1 Cold air prevention protection E9 Not the error code It s the status code for the operation Refrigerant recovery mode Fo Refr...

Страница 46: ...alfunction 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 N...

Страница 47: ...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...

Страница 48: ...the jumper cap tightly Is malfunction eliminated Is malfunction eliminated Is malfunction eliminated Replace the mainboard with the same model End Yes Yes Yes Yes Yes No No No No No 3 Malfunction of...

Страница 49: ...and outlet blocked Normal fluctuation is within 10 of the rated voltage on the nameplate Malfunction is eliminated no yes no yes no yes no no no yes no yes no yes yes yes yes yes yes yes Malfunction i...

Страница 50: ...harges 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...

Страница 51: ...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 diag...

Страница 52: ...anual 7 Malfunction 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...

Страница 53: ...the power supply to restore the range 210VAC 250VAC power on and restart the unit If the fault is eliminated Measure the AC voltage between terminal L and and N on wiring board XT power supply Voltage...

Страница 54: ...stance value among three terminals UVW of compressor with a resistance measuring meter Whether the resistance value of three terminals are almost the same Measure the resistance between three terminal...

Страница 55: ...gh temperature protection Is outdoor ambient temperature higher than 53 20 minutes after the complete unit is powered off Is heat dissipation of the indoor unit and outdoor unit abnormal Normal protec...

Страница 56: ...ompressor stopping enough Fault diagnosis process No Yes No No Yes Yes Yes No Power on the unit Is stop time of the compressor longer than 3 minutes Restart it up after 3 minutes Does startup fail Are...

Страница 57: ...r longer than Is the connection made in clockwise correctly Is connection sequence right direction Connect the wires correctly Replace the control panel AP1 If the fault is eliminated Replace the comp...

Страница 58: ...utes after the complete unit is powered off Connect the wires correctly Is the terminal FA for the electronic expansion valve connected correctly If the fault is eliminated If the fault is eliminated...

Страница 59: ...he AP1 voltage detection circuit is at fault Did the equipment operate normally before the failure occurs outdoor units Are wires broken Check wiring inside of the indoor and If the fault is eliminate...

Страница 60: ...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...

Страница 61: ...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 m...

Страница 62: ...e Manual 10 Exploded View and Parts List 10 1 Indoor Unit The component picture is only for reference please refer to the actual product 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24...

Страница 63: ...Louver 12 Screw Cover 13 Air Outlet Frame 14 Axile Bush Sub assy 15 Rear Case assy 16 Decorative Board Left 17 Decorative ring Left 18 Left Side Plate 19 Left Driving Box Sub assy NO Description 20 B...

Страница 64: ...ntenance Service Manual The component is only for rererence please refer to the actual product 10 2 Outdoor Unit GWH09AECXB K6DNA1A O 22 21 20 17 19 16 18 5 6 7 10 11 9 1 26 25 31 30 29 28 23 33 15 32...

Страница 65: ...11 Wire Clamp 12 Valve Cover 13 Silencer 14 Cut off Valve Sub Assy 15 Strainer 16 Valve Support Some models may not contain some parts please refer to the actual product NO Description 17 Compressor...

Страница 66: ...tion and Maintenance Service Manual The component is only for rererence please refer to the actual product GWH12AECXD K6DNA1A O 24 21 23 16 20 18 19 22 5 13 6 10 11 9 2 1 25 29 28 27 26 31 15 17 12 7...

Страница 67: ...ssy 11 Handle 12 Valve Cover 13 Cut off valve 1 4 N 14 Cut off valve 3 8 N 15 Valve Support 16 Compressor and Fittings Some models may not contain some parts please refer to the actual product NO Desc...

Страница 68: ...ouver has been pushed to the maximum position please cut off the power Hold the handle on the filter pull it upwards to let the clasp at the top part of the filter loose push it forwards and then the...

Страница 69: ...the air guide louver press the cross clasp at the right side of air guide louver hold it to the left side and then remove the air guide louver 3 Remove air outlet frame Open the panel remove 5 screws...

Страница 70: ...pulled any more 3 Remove 4 screws used for fixing the bottom case Press the concave position marked with red circle with your thumb forcibly lift the bottom case and then pull it outwards 5 Remove pa...

Страница 71: ...e 2 screws used for fixing the left side panel extend your hand to the handle and press it upwards forcibly to let the claps at the top part of the left side plate be separated Pull the left side plat...

Страница 72: ...electric box cover and then the electric box cover can be removed Remove the screws used for fixing indoor and outdoor connection wires on the wiring board the screws used for fixing the grounding wir...

Страница 73: ...hen the motor can be remove from the installation hole of motor support 11 Remove Driving Box Sub assy Pull the claps of driving box fixed at the base rotate it upwards and then the driving box sub as...

Страница 74: ...r support press clasp used for fixing the motor support to pull it to the right side and then remove the motor support 13 Remove Evaporator Assy Remove 2 screws used for fixing the evaporator turn it...

Страница 75: ...xing the big handle and then remove the valve cover 3 Remove top cover Remove connection screws connecting the top panel with the front panel and the right side plate and then remove the top panel GWH...

Страница 76: ...rews connecting the front panel with the chassis and the motor support and then remove the front panel 6 Remove right side plate and left side plate Remove connection screws connecting the right side...

Страница 77: ...fixing the motor and disconnect the leading wire insert of the motor Then remove the motor Remove the tapping screws fixing the motor support and lift the motor support to remove it 9 Remove Electric...

Страница 78: ...the welding joint between the gas valve and the air return pipe to remove the gas valve NOTE Discharge the refrigerant completely befor unsoldering when unsoldering wrap the gas valve with a wet cloth...

Страница 79: ...ig handle and valve cover Remove the screws fixing big handle valve cover and then remove them 3 Remove top cover Remove the screws fixing top panel and then remove the top panel GWH12AECXD K6DNA1A O...

Страница 80: ...then remove the front panel assy 5 Remove right side plate assy Rescrew the ground screws remove the ground wires loosen the screws fixing terminal board remove the terminal board rescrew the screws f...

Страница 81: ...e the electrical box assy to the right so that the snaps on the clapboard are removed and the electrical box assy are removed 8 Remove motor Remove the screws fixing the motor and then remove the moto...

Страница 82: ...hen unsoldering wrap the gas valve with a wet cloth completely to avoid damage to the valve caused by high temperature 11 Remove valve suppprt Remove the screws fixing valve support then remove the va...

Страница 83: ...then remove the isolation sheet 14 Remove clapboard assy Remove the screws fixing the clapboard assy and then remove the clapboard assy 15 Remove compressor Remove the 3 foot nuts on the compressor an...

Страница 84: ...degree Tf Tcx1 8 32 Ambient temperature Fahrenheit display temperature Fahrenheit Celsius Fahrenheit display temperature Fahrenheit Celsius Fahrenheit display temperature Fahrenheit Celsius 32 33 32...

Страница 85: ...lowing steps B Remove the burrs Remove the burrs with shaper and prevent the burrs from getting into the pipe C Put on suitable insulating pipe A is different according to the diameter please refer to...

Страница 86: ...ature Sensors for Indoor and Outdoor 20K Resistance Table of Discharge Temperature Sensor for Outdoor 50K Temp o C Resistance k Temp o C Resistance k Temp o C Resistance k Temp o C Resistance k 19 181...

Страница 87: ...d West Jinji Rd Qianshan Zhuhai Guangdong China 519070 Tel 86 756 8522219 Fax 86 756 8669426 E mail global cn gree com For product improvement specifications and appearance in this manual are subject...

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