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Summary of Contents for Gree GWH12AAB-K3DNA1A
- Page 1 Change for life Service Manual Models: GWH12AAB-K3DNA1A GWH12AAB-K3DNA2A GWH12AAB-K3DNA3A GWH12AAB-K3DNA4A GWH12AAB-K3DNA5A (Refrigerant R410A) GREE ELECTRIC APPLIANCES, INC. OF ZHUHAI...
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Page 2: Table Of Contents
6.1 Remote Controller Introduction of YAW1F ..............16 6.2 Remote Controller Introduction of YAW1F5(WiFi) ............19 6.3 Ewpe Smar t App Operation Manual ................22 6.4 GREE+ App Operation Manual ..................23 6.5 Brief Description of Modes and Functions ..............24 Part Ⅱ : Installation and Maintenance ..........33... - Page 3 Service Manual 9. Maintenance ......................43 9.1 Error Code List .......................43 9.2 Troubleshooting for Main Malfunction ................51 9.3 Troubleshooting for Normal Malfunction .................65 10. Exploded View and Parts List ..............67 10.1 Indoor Unit ........................67 10.2 Outdoor Unit .........................71 11. Removal Procedure ..................73 11.1 Removal Procedure of Indoor Unit ................73 11.2 Removal Procedure of Outdoor Unit ................78...
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Page 4: Part Ⅰ : Technical Information
Service Manual Part Ⅰ : Technical Information 1. Summary Indoor Unit GWH12AAB-K3DNA4A/I GWH12AAB-K3DNA1A/I GWH12AAB-K3DNA2A/I GWH12AAB-K3DNA5A/I GWH12AAB-K3DNA3A/I Technical Information... - Page 5 Indoor Unit Model Outdoor Unit Model Product Code Controller Product Code CB479000100 CB479N00100 YAW1F GWH12AAB-K3DNA4A GWH12AAB-K3DNA4A/I YAW1F5 CB479000101 CB479N00101 (WiFi) CB476001300 CB476N01300 YAW1F GWH12AAB-K3DNA1A GWH12AAB-K3DNA1A/I CB476001301 CB476N01301 GWH12AAB-K3DNA4A/O CB479W00100 CB477000600 CB477N00600 GWH12AAB-K3DNA2A GWH12AAB-K3DNA2A/I CB477000601 CB477N00601 YAW1F5 (WiFi) CB488000300 CB488N00300 GWH12AAB-K3DNA5A GWH12AAB-K3DNA5A/I...
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Page 6: Specifications
Service Manual 2. Specifications 2.1 Specification Sheet 1.GWH12AAB-K3DNA4A 2.GWH12AAB-K3DNA1A Model 3.GWH12AAB-K3DNA2A 4.GWH12AAB-K3DNA5A 5.GWH12AAB-K3DNA3A 1.CB479000100/CB479000101 2.CB476001300/CB476001301 Product Code 3.CB477000600/CB477000601 4.CB488000300/CB488000301 5.CB478000500 Rated Voltage 220-240 Power Rated Frequency Supply Phases Power Supply Mode Outdoor Cooling Capacity(Min~Max) 3200 Heating Capacity(Min~Max) 3300 Cooling Power Input(Min~Max) - Page 7 Service Manual Model of Outdoor Unit GWH12AAB-K3DNA4A/O Product Code of Outdoor Unit CB479W00100 Compressor Manufacturer/Trademark ZHUHAI LANDA COMPRESSOR CO., LTD Compressor Model QXA-B102zE190 Compressor Oil RB68EP Compressor Type Rotary L.R.A. Compressor RLA Compressor Power Input 1020 Overload Protector 1NT11L-6233 or HPC115/95U1 or KSD115℃ Throttling Method Capillary Operation temp...
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Page 8: Operation Characteristic Curve
Service Manual 2.2 Operation Characteristic Curve Cooling Heating 220V Conditions 220V Indoor: DB27°C/WB19°C Outdoor: DB35°C/WB24°C Indoor air flow: High Pipe length: 5m 230V 230V 240V Conditions Indoor: DB20°C/WB15°C 240V Outdoor: DB7°C/WB6°C Indoor air flow: High Pipe length: 5m 10 20 30 40 50 60 70 80 90 100 Compressor speed (rps) Compressor speed (rps) 2.3 Capacity Variation Ratio According to Temperature... -
Page 9: Cooling And Heating Data Sheet In Rated Frequency
Service Manual 2.4 Cooling and Heating Data Sheet in Rated Frequency Cooling: Rated cooling Pressure of gas pipe Inlet and outlet pipe Compressor condition( connecting indoor and temperature of heat Fan speed of Fan speed of Model frequency (DB/WB) outdoor unit exchanger indoor unit outdoor unit... -
Page 10: Noise Curve
Service Manual 2.5 Noise Curve Outdoor side noise Indoor side noise High Super High Middle Indoor Fan Motor Rotating Speed Compressor frequency/Hz Technical Information... -
Page 11: Outline Dimension Diagram
Service Manual 3. Outline Dimension Diagram 3.1 Indoor Unit Φ55 Φ55 Unit:mm Models 12K(AAB) Technical Information... -
Page 12: Outdoor Unit
Service Manual 3.2 Outdoor Unit Unit:mm Technical Information... -
Page 13: Refrigerant System Diagram
Service Manual 4. Refrigerant System Diagram Cooling and heating model Outdoor unit Indoor unit Gas pipe side Valve 4-Way valve Di s charge Heat Accumlator Suction exchanger Compressor (evaporator) Heat exchanger Liquid pipe (condenser) side Valve Strainer Capillary Strainer COOLING HEATING Connection pipe specification: Liquid pipe:1/4"... -
Page 14: Electrical Part
Service Manual 5. Electrical Part 5.1 Wiring Diagram ●Instruction Symbol Symbol Color Symbol Symbol Color Symbol Name White Green Jumper cap Yellow Brown COMP Compressor Blue Grounding wire YEGN Yellow/Green Black Violet Orange Note: Jumper cap is used to determine fan speed and the swing angle of horizontal lover for this model. ●... - Page 15 Service Manual GWH12AAB-K3DNA4A/I(CB479N00101) GWH12AAB-K3DNA1A/I(CB476N01301) GWH12AAB-K3DNA2A/I(CB477N00601) GWH12AAB-K3DNA5A/I(CB488N00300) GWH12AAB-K3DNA3A/I(CB478N00500) 60000700097301 GWH12AAB-K3DNA1A/I(CB476N01300) GWH12AAB-K3DNA2A/I(CB477N00600) 60000700097302 Technical Information...
- Page 16 Service Manual ● Outdoor Unit GWH12AAB-K3DNA4A/O 600007000687 These circuit diagrams are subject to change without notice, please refer to the one supplied with the unit. Technical Information...
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Page 17: Pcb Printed Diagram
Service Manual 5.2 PCB Printed Diagram Indoor Unit Top view Name Jumper cap Interface of health function live wire Live wire interface Interface of health function neutral wire Neutral wire interface Fan motor interface of PG Fuse Communication interface 10 Auto button 11 Interface of PG feedback interface 12 Swing interface 13 Interface of temperature sensor... -
Page 18: Top View
Service Manual Outdoor Unit Top view Name Compressor wiring terminal Reactor wiring terminal Outdoor fan wiring terminal Terminal of chassis electric heater Terminal of compressor electric heater Terminal of 4-way valve Grounding wire Communication wire Neutral wire Live wire Terminal of electronic expansion valve Terminal of temperature sensor... -
Page 19: Function And Control
Service Manual 6. Function and Control 6.1 Remote Controller Introduction of YAW1F Buttons on Remote Controller On/Off button Mode button Fan button ▲/ button Swing button Sleep button Temp button Turbo button I Feel button Timer button X-Fan button Light button Temp. -
Page 20: Temp Button
Service Manual 1. ON/OFF button Press this button to turn on the unit. Press this button again to turn off the unit. 2. MODE button Each time you press this button,a mode is selected in a sequence that goes from AUTO, COOL, DRY, FAN, and HEAT *, as the following: * Note: Only for models with heating function. - Page 21 Service Manual Function introduction for combination buttons Combination of " " and " " buttons: About lock ▲ controller is locked, is displayed. In this case, Press " " and " ▲ " buttons simultaneously 3s to lock or unlock the keypad. If the remote pressing any button, blinks three times.
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Page 22: Remote Controller Introduction Of Yaw1F5(Wifi)
Service Manual 6.2 Remote Controller Introduction of YAW1F5(WiFi) Buttons on Remote Controller On/Off button Mode button Fan button ▲/ button Swing button Sleep button Temp button Turbo button I Feel button Timer button WiFi button WiFi Light button Icon Display on Remote Controller Temp. - Page 23 Service Manual 1. ON/OFF button Press this button to turn on the unit. Press this button again to turn off the unit. 2. MODE button Each time you press this button,a mode is selected in a sequence that goes from AUTO, COOL, DRY, FAN, and HEAT *, as the following: * Note: Only for models with heating function.
- Page 24 Service Manual 11. WIFI button Press " WiFi " button to turn on or turn off WiFi function. When WiFi function is turned on, the " WiFi " icon will be displayed on remote controller; Under status of unit off, press "MODE" and " WiFi " buttons simultaneously for 1s, WiFi module will restore to factory defaultset- ting.
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Page 25: Ewpe Smar T App Operation Manual
Service Manual 6.4 Ewpe Smart App Operation Manual 6.3 Ewpe Smar t App Operation Manual Control Flow Chart Internet Cloud intelligent Home Wi-Fi Cellular/ home Other Wi-FI appliances Home wireless router Home Wi-Fi Operating Systems Requirement for User's smart phone: iOS system Android system Support iOS7.0 and... -
Page 26: Gree+ App Operation Manual
GREE+ App Download Linkage Scan the QR code or search "GREE+" in the application market to download and install 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. -
Page 27: Brief Description Of Modes And Functions
Service Manual 6.5 Brief Description of Modes and Functions 1.Basic function of system (1)Cooling mode (1) Under this mode, fan and swing operates at setting status. Temperature setting range is 16~30 (2) During malfunction of outdoor unit or the unit is stopped because of protection, indoor unit keeps original operation status. (2)Drying mode (1) Under this mode, fan operates at low speed and swing operates at setting status. - Page 28 Service Manual (8)I feel control mode After controller received I feel control signal and ambient temperature sent by remote controller, controller will work according to the ambient temperature sent by remote controller. (9)Compulsory defrosting function (1) Start up compulsory defrosting function Under ON status, set heating mode with remote controller and adjust the temperature to 16 C.
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Page 29: Outdoor Units
Service Manual Outdoor Units 1. Input Parameter Compensation and Calibration (1) Check the ambient temperature compensation function Indoor ambient temperature compensation function. a. In cooling mode, the indoor ambient temperature participating in computing control = (T – ⊿ T indoor ambient temperature cooling indoor ambient temperature compensation b. - Page 30 Service Manual 3. Special Functions Defrosting Control ① Conditions for starting defrosting After the time for defrosting is judged to be satisfied, if the temperature for defrosting is satisfied after detections for continuous 3minutes, the defrosting operation will start. ② Conditions of finishing defrosting The defrosting operation can exit when any of the conditions below is satisfied: ③...
- Page 31 Service Manual 1. Starting estimation: After the compressor stopped working for 180s, if T > [T (the temperature of hysteresis is 2 )], the inner pipe frozen-preventing frequency-limited temperature machine is only allowed to start for operating, otherwise it should not be started, and should be stopped to treat according to the frozen- preventing protection: Clear the trouble under the mode of power turn-off / heating, and the protection times are not counted.
- Page 32 Service Manual 1. Frequency limited If [T ]≤T <[T ] , you should limit the frequency raising of heating overload frequency-limited temperature inner pipe heating overload frequency reducing temperature at normal speed compressor. 2. Reducing frequency at normal speed and stopping machine: If T[ ]≤T <[T...
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Page 33: Communication Fault
Service Manual (6)Voltage sag protection After start the compressor, if the time of DC link Voltage sag [U ] is measured to be less than t Voltage sag protection time , Sagging protection voltage the machine should be stop at once, hand on the voltage sag trouble, reboot automatically after 30 minutes. (7)Communication fault When you have not received any correct signal from the inner machine in three minutes, the machine will stop for communication fault. - Page 34 Service Manual (12) Starting-up Failure Protection for Compressor Stop the compressor after its starting-up fails, restart it after 20s if the fault doesnt shows, and if they are all failing for the successive start 3 times, it shall be reported as Starting-up Failure, and then restart up it after 3 min. When it still not be able to operate through carry out the above process for 5 times, it is available if press ON/OFF.
- Page 35 Service Manual 6. Electric Heating Function of Chassis (1) When T ≤0ºC, the electric heating of chassis will operate; outdoor amb. (2) When T >2ºC, the electric heating of chassis will stop operation; outdoor amb. (3)When 0ºC<T ≤2ºC, the electric heating of chassis will keep original status. outdoor amb.
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Page 36: Part Ⅱ : Installation And Maintenance
Service Manual Part Ⅱ : Installation and Maintenance 7. Notes for Installation and Maintenance Safety Precautions: 10. If the power cord or connection wire is not long enough, please get the specialized power cord or connection wire Important! from the manufacture or distributor. Prohibit prolong the wire by yourself. -
Page 37: Safety Precautions For Installing
Service Manual Safety Precautions for Installing and Relocating the Unit: To ensure safety, please be mindful of the following precautions. Warnings 1. When installing or relocating the unit, be sure to keep the refrigerant circuit free from air or substances other than the specified refrigerant. -
Page 38: Main Tools For Installation And Maintenance
Service Manual Main Tools for Installation and Maintenance 1. Level meter, measuring tape 2. Screw driver 3. Impact drill, drill head, electric drill 4. Electroprobe 5. Universal meter 6. Torque wrench, open-end wrench, inner hexagon spanner 7. Electronic leakage detector 8. -
Page 39: Installation
Service Manual 8. Installation 8.1 Installation Dimension Diagram Space to the wall At least 15cm At least 15cm Space to the wall Drainage pipe Installation and Maintenance... -
Page 40: Installation Procedures
Service Manual Installation procedures Start installation Preparation before installation Read the requirements select installation Prepare tools for electric connection location Select indoor unit Select outdoor unit installation location installation location Install the support of outdoor unit Install wall-mounting (select it according to the actual situation) frame, drill wall holes Connect pipes of indoor Fix outdoor unit... -
Page 41: Installation Parts-Checking
Service Manual 8.2 Installation Parts-checking 8.4 Requirements for electric connection 1. Safety Precaution Name Name (1) Must follow the electric safety regulations when installing Indoor unit Sealing gum the unit. Outdoor unit Wrapping tape (2) According to the local safety regulations, use qualified Support of outdoor Connection pipe power supply circuit and air switch. - Page 42 Service Manual in the holes. 5. Connect the Pipe of Indoor Unit (3) Fix the wall-mounting frame on the wall with tapping screws (1) Aim the pipe joint at the corresponding bellmouth.(As show (ST4.2X25TA) and then check if the frame is firmly installed by in Fig.5) pulling the frame.
- Page 43 Service Manual 7. Connect Wire of Indoor Unit 8. Bind up Pipe (1) Open the panel, remove the screw on the wiring cover and (1) Bind up the connection pipe, power cord and drain hose then take down the cover.(As show in Fig.11) with the band.(As show in Fig.14) (2) Reserve a certain length of drain hose and power cord Screw...
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Page 44: Installation Of Outdoor Unit
Service Manual Refer to the following table for wrench moment of force: 8.6 Installation of Outdoor Unit Tightening torque(N . m) Hex nut diameter(mm) 1. Fix the Support of Outdoor Unit(Select it according to Φ6 15~20 the actual installation situation) Φ9.52 30~40 Φ12... -
Page 45: Vacuum Pumping And Leak Detection
Service Manual (3) The water outlet cant be placed in water in order to drain 8.8 Check after Installation and Test smoothly.(As show in Fig.27) Operation 1. Check after Installation Check according to the following requirement after finishing installation. The drain hose can't be fluctuant Items to be checked Possible malfunction Has the unit been... -
Page 46: Maintenance
Service Manual 9. Maintenance 9.1 Error Code List Display Method of Indoor Unit Indicator Display (during blinking, ON 0.5s and OFF Dual-8 Malfunction A/C status Possible Causes 0.5s) Code Name Operation Cool Heating Display Indicator Indicator Indicator Possible reasons: During cooling and drying High 1. - Page 47 Service Manual Display Method of Indoor Unit Indicator Display (during blinking, Dual-8 Malfunction ON 0.5s and OFF 0.5s) A/C status Possible Causes Code Name Operation Cool Heating Display Indicator Indicator Indicator When the outdoor unit receive signal of Gathering Gathering refrigerant ,the system will Nominal cooling mode refrigerant be forced to run under cooling mode for...
- Page 48 Service Manual Display Method of Indoor Unit Indicator Display (during blinking, ON 0.5s and OFF Dual-8 Malfunction A/C status Possible Causes 0.5s) Code Name Operation Cool Heating Display Indicator Indicator Indicator Decrease Overload or temperature is too high; frequency All loads operate normally, while Refrigerant is insufficient;...
- Page 49 Service Manual Display Method of Indoor Unit Indicator Display (during blinking, ON 0.5s and OFF Dual-8 Malfunction A/C status Possible Causes 0.5s) Code Name Operation Cool Heating Display Indicator Indicator Indicator Compressor intermediate Showing during middle cooling or middle frequence in heating test test state Overcurrent...
- Page 50 Service Manual Display Method of Indoor Unit Indicator Display (during blinking, ON 0.5s and OFF Dual-8 Malfunction A/C status Possible Causes 0.5s) Code Name Operation Cool Heating Display Indicator Indicator Indicator 1. Bad contact of DC motor feedback terminal. 2. Bad contact of DC motor Internal motor Internal fan motor, external fan motor, compressor and control end.
- Page 51 Service Manual Display Method of Indoor Unit Indicator Display (during blinking, ON 0.5s and OFF Dual-8 Malfunction A/C status Possible Causes 0.5s) Code Name Operation Cool Heating Display Indicator Indicator Indicator Malfunction of During cooling and drying phase current operation, compressor will stop detection while indoor fan will operate;...
- Page 52 Service Manual If malfunction occurs,corresponding code will display and the unit will resume normal until protection or malfunction disappears. Installation and Maintenance...
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Page 53: Communication Malfunction
Service Manual Analysis or processing of some of the malfunction display: 1. Compressor discharge protection Possible causes: shortage of refrigerant; blockage of air filter; poor ventilation or air flow short pass for condenser; the system has noncondensing gas (such as air, water etc.); blockage of capillary assy (including filter); leakage inside four-way valve causes incorrect operation;... -
Page 54: Troubleshooting For Main Malfunction
Service Manual 9.2 Troubleshooting for Main Malfunction Indoor unit: 1. Malfunction of Temperature Sensor F1, F2 Main detection points: ● Is the wiring terminal between the temperature sensor and the controller loosened or poorly contacted? ● Is there short circuit due to trip-over of the parts? ●... - Page 55 Service Manual 2. Malfunction of Blocked Protection of IDU Fan Motor H6 Main detection points: ● Is the control terminal of PG motor connected tightly? ● Is the feedback interface of PG motor connected tightly? ● The fan motor cant operate ？ ●...
- Page 56 Service Manual 3. Malfunction of Protection of Jumper Cap C5 Main detection points: ● Is there jumper cap on the mainboard? ● Is the jumper cap inserted correctly and tightly? ● The jumper is broken? ● Detectioncircuit of the mainboard isdefined abnormal? Malfunction diagnosis process: Start Appearance of the...
- Page 57 Service Manual 4. Malfunction of Zero-crossing Inspection Circuit Malfunction of the IDU Fan Motor U8 Main detection points: ● Instant energization afte de-energization while the capacitordischarges slowly? ● The zero-cross detectioncircuit of the mainboard isdefined abnormal? Malfunction diagnosis process: Start Turn power off for 1minute,the turn back on...
- Page 58 Service Manual 5. Malfunction of detecting plate(WIFI ) Start check if the connection wire are correctly connected detecting Replace the plate with the same model Is malfunction eliminated Replace the mainboard with the same model The end Installation and Maintenance...
- Page 59 Service Manual Outdoor unit: 1. Capacity charging malfunction (outdoor unit malfunction) (AP1 below means control board of outdoor unit) Main detection points: ● Detect if the voltage of L and N terminal of XT wiring board is between 210VAC-240VAC by alternating voltage meter; ●...
- Page 60 Service Manual 5. IPM protection, phase current overcurrent (the control board as below indicates the control board of outdoor unit) H5/P5 Mainly detect: (1) Compressor COMP terminal (2) voltage of power supply (3) compressor (4) Refrigerant-charging volume (5) air outlet and air inlet of outdoor/indoor unit Troubleshooting: Turn on the unit after energization...
- Page 61 Service Manual 3. High temperature and overload protection (E8)(AP1 below means control board of outdoor unit) Main detection points: ● If the outdoor ambient temperature is in normal range; ● If the indoor and outdoor fan are running normally; ● If the radiating environment of indoor and outdoor unit is good. Malfunction diagnosis process: E8 is displayed Normal protection, please...
- Page 62 Service Manual 4. Start-up failure (LC) (AP1 below means control board of outdoor unit) Main detection points: ● If the compressor wiring is correct? ● If the stop time of compressor is sufficient? ● If the compressor is damaged? ● If the refrigerant charging amount is too much? Malfunction diagnosis process: Turn on the unit The stop time is not sufficient and...
- Page 63 Service Manual 5. Overload and high discharge temperature malfunction Main detection points: ● If the electronic expansion valve is connected well? Is the electronic expansion valve damaged? ● If the refrigerant is leaked? ● The compressor overload protection terminal is not connected well with the mainboard? ●...
- Page 64 Service Manual Start 30min after power off the unit If the overload protector SAT is well connected? Under ambient temperature, test the resistance of overload protector with ohmmeter; resistance value should be＜1000ohm Connect wire If the wiring terminal FA of electronic according to wiring expansion valve is well connected? diagram...
- Page 65 Service Manual 6. Communication malfunction Main detection points: (12) Communication malfunction ● Check if the connection wire and the built-in wiring of indoor and outdoor unit are connected well and without damage; Main detection points: ● If the communication circuit of indoor mainboard is damaged? If the communication circuit of outdoor mainboard (AP1) Check if the connection wire and the built-in wiring of indoor and outdoor unit are connected well and without damage;...
- Page 66 Service Manual 7. Overload Protection Compressor H3 Main detection points: ● Heat exchange of unit is not good? (heat exchanger is dirty and unit radiating environment is bad) ● Fan motor is not working? ● Too much load of the system causes high temperature of compressor after working for a long time? ●...
- Page 67 Service Manual 8. Malfunction of Overcurrent Protection E5 Main detection points: ● Is the supply voltage unstable with big fluctuation? ● Is the supply voltage too low with overload? ● Hardware trouble? Malfunction diagnosis process: Start Normal fluctuation should be within 10 % Is malfunction Is the supply voltage unstable of the rated voltage on the nameplate...
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Page 68: Troubleshooting For Normal Malfunction
Service Manual 9.3 Troubleshooting for Normal Malfunction 1. Air Conditioner Cant be Started Up Possible Causes Discriminating Method (Air conditioner Status) Troubleshooting Confirm whether its due to power failure. If yes, No power supply, or poor After energization, operation indicator isnt bright wait for power recovery. - Page 69 Service Manual 4. Air Conditioner is Leaking Possible causes Discriminating method (air conditioner status) Troubleshooting Eliminate the foreign objects inside the drain Drain pipe is blocked Water leaking from indoor unit pipe Drain pipe is broken Water leaking from drain pipe Replace drain pipe Water leaking from the pipe connection place of Wrapping is not tight...
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Page 70: Exploded View And Parts List
Service Manual 10. Exploded View and Parts List 10.1 Indoor Unit The component picture is only for reference; please refer to the actual product. Installation and Maintenance... - Page 71 Service Manual Part Code Description GWH12AAB-K3DNA4A/I GWH12AAB-K3DNA5A/I Product Code CB479N00100 CB479N00101 CB488N00300 Front Panel 200003000101T 200003000101T 200003000117T Display Board 300001000041 300001000041 300001000041 Front Case 20000200000701 20000200000701 20000200000701 Axile Bush 10542036 10542036 10542036 Helicoid Tongue 200006000002 200006000002 200006000002 Left Axile Bush 10512037 10512037 10512037...
- Page 72 Service Manual Part Code Description GWH12AAB-K3DNA1A/I GWH12AAB-K3DNA5A/I Product Code CB476N01300 CB476N01301 CB488N00301 Front Panel 20000300002001T 20000300002001T 200003000117T Display Board 300001000037 300001000037 300001000041 Front Case 20000200000701 20000200000701 20000200000701 Axile Bush 10542036 10542036 10542036 Helicoid Tongue 200006000002 200006000002 200006000002 Left Axile Bush...
- Page 73 Service Manual Part Code Description GWH12AAB-K3DNA2A/I GWH12AAB-K3DNA3A/I Product Code CB477N00600 CB477N00601 CB478N00500 Front Panel 20000300005901T 20000300005901T 200003000110T Display Board 300001000037 300001000037 300001000041 Front Case 20000200000701 20000200000701 20000200000701 Axile Bush 10542036 10542036 10542036 Helicoid Tongue 200006000002 200006000002 200006000002 Left Axile Bush 10512037 10512037 10512037...
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Page 74: Outdoor Unit
Service Manual 10.2 Outdoor Unit 22 23 24 25 26 The component picture is only for reference; please refer to the actual product. Installation and Maintenance... - Page 75 Service Manual Part Code Description GWH12AAB-K3DNA4A/O Product Code CB479W00100 Handle Supporting Board 01793043 Fan Motor 15013085 Motor Support 01703136 Condenser Assy 011002000574 Coping 1253081 Rear Grill 01475014 Clapboard Sub-Assy 01233180 Compressor and Fittings 009001000030 Compressor Gasket 76710287 4-Way Valve Assy 030152000016 Big Handle 2623343106...
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Page 76: Removal Procedure
Service Manual 11. Removal Procedure Caution: discharge the refrigerant completely before removal. 11.1 Removal Procedure of Indoor Unit Step Procedure 1. Remove filter Panel Open the panel. Loosen the clasp shown in the fig and then pull the left filter and right filer outwards to remove them. - Page 77 Service Manual Step Procedure 3. Remove panel Panel Display Open the front panel; separate the panel rotation shaft from the groove fixing the front panel and then removes the front panel. Note: The display of some models is fixed on Screws display on the panel before removing the panel.
- Page 78 Service Manual Step Procedure Cold plasma generator 6. Remove electric box assy Screws Loosen the connection clasps between Cold plasma generator and electric box, and then remove the cold plasma generator. Electric box Step motor Clasps Grounding Indoor tube screw temperature sensor Electric box assy ①...
- Page 79 Service Manual Step Procedure 7. Remove evaporator assy Screws Connection pipe clamp At the back of the unit, Loosen the clasp,connection pipe clamp and then remove the connection pipe clamp. Clasp Groove Rear Case assy First remove the left side of evaporator from Clasp the groove of bottom shell and then remove the right side from the clasp on the bottom...
- Page 80 Service Manual Step Procedure 8. Remove motor and cross flow blade Remove 3 screws fixing motor clamp and then remove the motor clamp. Motor clasp Screws Cross flow Remove the at the connection place of Motor cross flow blade and motor; lift the motor and cross flow blade upwards to remove them.
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Page 81: Removal Procedure Of Outdoor Unit
Service Manual 11.2 Removal Procedure of Outdoor Unit Steps Procedure 1. Before disassembly 2. Remove big handle and valve cover big handle big handle and then remove the valve cover. valve cover 3. Remove top cover top cover Remove connection screws connecting the top panel with the front panel and the right side plate, and then remove the top panel. - Page 82 Service Manual Steps Procedure 4. Remove grille Remove connection screws between the front grille and the front panel. Then remove the grille. grille 5. Remove front panel Remove connection screws connecting the front panel with the chassis and the motor support and then remove the front panel.
- Page 83 Service Manual Installation and Maintenance...
- Page 84 Service Manual Capillary Sub-assy Installation and Maintenance...
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Page 85: Appendix
Service Manual Appendix: Appendix 1: Reference Sheet of Celsius and Fahrenheit Conversion formula for Fahrenheit degree and Celsius degree: Tf=Tcx1.8+32 Set temperature Fahrenheit Fahrenheit Fahrenheit display Fahrenheit display Fahrenheit display Fahrenheit Celsius( Celsius( Celsius( temperature temperature temperature 60.8 69/70 69.8 78/79 78.8 62/63... -
Page 86: Appendix 3: Pipe Expanding Method
Service Manual Appendix 3: Pipe Expanding Method Pipe Note: Pipe cutter Improper pipe expanding is the main cause of refrigerant leakage.Please expand the pipe according to the following steps: Leaning Uneven Burr A:Cut the pip ● Confirm the pipe length according to the distance of indoor unit and outdoor unit. ●... -
Page 87: Appendix 4: List Of Resistance For Temperature Sensor
Service Manual Appendix 4: List of Resistance for Temperature Sensor Resistance Table of Ambient Temperature Sensor for Indoor and Outdoor (15K) Temp( C) Resistance(kΩ) Temp( C) Resistance(kΩ) Temp( Resistance(kΩ) Temp( Resistance(kΩ) 138.1 18.75 3.848 1.071 128.6 17.93 3.711 1.039 121.6 17.14 3.579 1.009... - Page 88 Service Manual Resistance Table of Tube Temperature Sensors for Indoor and Outdoor (20K) Temp( C) Resistance(kΩ) Temp( C) Resistance(kΩ) Temp( Resistance(kΩ) Temp( Resistance(kΩ) 181.4 25.01 5.13 1.427 171.4 23.9 4.948 1.386 162.1 22.85 4.773 1.346 153.3 21.85 4.605 1.307 20.9 4.443 1.269 137.2...
- Page 89 Service Manual Resistance Table of Discharge Temperature Sensor for Outdoor (50K) Temp( C) Resistance(kΩ) Temp( Resistance(kΩ) Temp( C) Resistance(kΩ) Temp( Resistance(kΩ) 853.5 18.34 4.75 799.8 93.42 17.65 4.61 89.07 16.99 4.47 703.8 84.95 16.36 4.33 660.8 81.05 15.75 4.20 620.8 77.35 15.17 4.08...
- Page 90 Add: West Jinji Rd, Qianshan, Zhuhai,Guangdong, China, 519070 Tel: (+86-756) 8522218 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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