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Table of Contents
Troubleshooting
Related Manuals for Gree GWH09RB-K3DNA2C
Summary of Contents for Gree GWH09RB-K3DNA2C
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Page 1: Service Manual
Change for Life Service Manual GREE ELECTRIC APPLIANCES,INC.OF ZHUHAI... -
Page 2: Table Of Contents
Service Manual Table of Contents Part Ⅰ : Technical Information ................. 1 1. Summary ........................1 2. Specifi cations ......................4 2.1 Specifi cation Sheet ......................4 2.2 Operation Characteristic Curve ..................12 2.3 Capacity Variation Ratio According to Temperature ............12 2.4 Cooling and Heating Data Sheet in Rated Frequency ............. - Page 3 Service Manual 8.7 Vacuum Pumping and Leak Detection ................39 8.8 Check after Installation and Test Operation ..............39 9. Maintenance ......................40 9.1 Error Code List ......................... 40 9.2 Troubleshooting for Main Malfunction ................47 9.3 Troubleshooting for Normal Malfunction ................60 10.
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Page 4: Part Ⅰ : Technical Information
Service Manual Part Ⅰ : Technical Information 1. Summary Indoor Unit: GWH09RB-K3DNA2C/I(CB301N01100) GWH09RB-K3DNA2C/I(CB301N01101) GWH12RB-K3DNA2C/I(CB301N01200) GWH12RB-K3DNA2C/I(CB301N01201) GWH09RB-K3DNA3C/I(CB302N00900) GWH09RB-K3DNA3C/I(CB302N00901) GWH12RB-K3DNA3C/I(CB302N01000) GWH12RB-K3DNA3C/I(CB302N01001) GWH09RB-K3DNA5C/I(CB304N00500) GWH12RB-K3DNA5C/I(CB304N00600) GWH09RB-K3DNA6C/I(CB305N00100) GWH12RB-K3DNA6C/I(CB305N00200) GWH09RB-K3DNA8C/I(CB313N00100) GWH12RB-K3DNA8C/I(CB313N00200) GWH09RB-K3DNA9C/I(CB314N00100) GWH09RB-K3DNA9C/I(CB314N00101) GWH12RB-K3DNA9C/I(CB314N00200) GWH12RB-K3DNA9C/I(CB314N00201) Technical Information... - Page 5 Service Manual Outdoor Unit: GWH09RB-K3DNA3C/O(CB302W00900) GWH09RB-K3DNA3C/O(CB302W00901) GWH12RB-K3DNA3C/O(CB302W01000) GWH12RB-K3DNA3C/O(CB302W01001) Technical Information...
- Page 6 Service Manual Remote Controller: YAA1FB Model Product Code Indoor Unit Product Code Outdoor Unit Product Code GWH09RB-K3DNA2C CB301001100 GWH09RB-K3DNA2C/I CB301N01100 GWH09RB-K3DNA3C/O CB302W00900 GWH09RB-K3DNA2C CB301001102 GWH09RB-K3DNA2C/I CB301N01101 GWH09RB-K3DNA3C/O CB302W00901 GWH09RB-K3DNA3C CB302000900 GWH09RB-K3DNA3C/I CB302N00900 GWH09RB-K3DNA3C/O CB302W00900 GWH09RB-K3DNA3C CB302000901 GWH09RB-K3DNA3C/I CB302N00901 GWH09RB-K3DNA3C/O CB302W00901...
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Page 7: Specifi Cations
Service Manual 2. Specifi cations 2.1 Specifi cation Sheet GWH09RB-K3DNA2C, GWH09RB-K3DNA3C Model GWH09RB-K3DNA5C, GWH09RB-K3DNA6C GWH09RB-K3DNA8C, GWH09RB-K3DNA9C CB301001100, CB302000900 CB304000500, CB305000100 Product Code CB313000100, CB314000100 CB314000101 Rated Voltage 220-240 Power Rated Frequency Supply Phases Power Supply Mode Indoor Cooling Capacity (Min~Max) - Page 8 Service Manual n i l º n i l º -15~43 º -15~24 Φ7 Rows-fin Gap l i o Output of Fan Motor Outdoor Fan Motor RLA 0.15 Unit Fan Motor Capacitor μ Air Flow Volume of Outdoor Unit 1600 Fan Type Axial-flow Fan Diameter...
- Page 9 Service Manual Model GWH09RB-K3DNA2C, GWH09RB-K3DNA3C Product Code CB301001102, CB302000901 Rated Voltage 220-240 Power Rated Frequency Supply Phases Power Supply Mode Indoor Cooling Capacity (Min~Max) 2600(880~3000) Heating Capacity (Min~Max) 2750(760~3500) Cooling Power Input (Min~Max) 720(110~1200) Heating Power Input (Min~Max) 720(110~1470) Cooling Power Current 3.13...
- Page 10 Service Manual n i l º n i l º -15~43 -15~24 º Φ7 Rows-fin Gap l i o Outdoor Unit Fan Motor Capacitor μ 1600 Fan Type Axial-flow Fan Diameter Φ400 Defrosting Method Automatic Defrosting Climate Type Isolation Moisture Protection IP24 Permissible Excessive Operating Pressure for the Discharge Side...
- Page 11 Service Manual GWH12RB-K3DNA2C, GWH12RB-K3DNA3C Model GWH12RB-K3DNA5C, GWH12RB-K3DNA6C GWH12RB-K3DNA8C, GWH12RB-K3DNA9C CB301001200, CB302001000 CB304000600, CB305000200 Product Code CB313000200, CB314000200 CB314000201 Rated Voltage 220-240 Power Rated Frequency Supply Phases Power Supply Mode Indoor Cooling Capacity (Min~Max) 3500(480~4000) Heating Capacity (Min~Max) 3650(650~4280) Cooling Power Input (Min~Max) 1100(110~1300) Heating Power Input (Min~Max) 1100(110~1580)
- Page 12 Service Manual n i l º n i l º -15~43 º -15~24 Φ9.52 Rows-fin Gap l i o Fan Motor Speed 900/650 Output of Fan Motor Outdoor Fan Motor RLA 0.15 Unit Fan Motor Capacitor μ Air Flow Volume of Outdoor Unit 1800 Fan Type Axial-flow...
- Page 13 Service Manual Model GWH12RB-K3DNA2C, GWH12RB-K3DNA3C Product Code CB301001202, CB302001001 Rated Voltage 220-240 Power Rated Frequency Supply Phases Power Supply Mode Indoor Cooling Capacity (Min~Max) 3500(480~4000) Heating Capacity (Min~Max) 3650(650~4280) Cooling Power Input (Min~Max) 1100(110~1300) Heating Power Input (Min~Max) 1100(110~1580) Cooling Power Current 4.78 Heating Power Current 4.78...
- Page 14 Service Manual n i l º n i l º -15~43 º -15~24 Φ9.52 Rows-fin Gap l i o Outdoor Unit Fan Motor Capacitor μ 1800 Fan Type Axial-flow Fan Diameter Φ400 Defrosting Method Automatic Defrosting Climate Type Isolation Moisture Protection IP24 Permissible Excessive Operating Pressure for the Discharge Side...
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Page 15: Operation Characteristic Curve
Service Manual 2.2 Operation Characteristic Curve Cooling Heating Condition Condition Indoor:DB 20 Indoor:DB 27 WB19 Indoor air flow:Turbo Indoor air flow: Turbo Pipe length:5m Pipe length:5m Voltage:230V Voltage:230V Compressor Speed(rps) Compressor Speed(rps) 2.3 Capacity Variation Ratio According to Temperature Cooling Cooling Heating Heating... -
Page 16: Cooling And Heating Data Sheet In Rated Frequency
Service Manual 2.4 Cooling and Heating Data Sheet in Rated Frequency Cooling: Pressure of gas pipe Rated cooling Inlet and outlet pipe temperature Compressor connecting indoor and Fan speed of Fan speed of condition(℃ ) (DB/WB) of heat exchanger Model revolution outdoor unit indoor unit... -
Page 17: Outline Dimension Diagram
Service Manual 3. Outline Dimension Diagram 3.1 Indoor Unit Φ55 Φ55 3.2 Outdoor Unit GWH09RB-K3DNA3C/O(CB302W00900) Unit: mm Technical Information... - Page 18 Service Manual GWH09RB-K3DNA3C/O(CB302W00901) GWH12RB-K3DNA3C/O(CB302W01000) Unit: mm Technical Information...
- Page 19 Service Manual GWH12RB-K3DNA3C/O(CB302W01001) Unit: mm Technical Information...
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Page 20: 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 Suction Accumlator exchanger (evaporator) Heat exchanger Liquid pipe (condenser) side Valve Strainer Electron Strainer expansion valve COOLING HEATING Connection pipe... -
Page 21: Electrical Part
Black Violet Orange Note: Jumper cap is used to determine fan speed and the swing angle of horizontal lover for this model. ● Indoor Unit GWH09RB-K3DNA2C/I(CB301N01100), GWH09RB-K3DNA2C/I(CB301N01101), GWH09RB-K3DNA3C/I(CB302N00900) GWH09RB-K3DNA5C/I(CB304N00500), GWH09RB-K3DNA8C/I(CB313N00100), GWH12RB-K3DNA2C/I(CB301N01200) GWH12RB-K3DNA2C/I(CB301N01201), GWH12RB-K3DNA3C/I(CB302N01000), GWH12RB-K3DNA5C/I(CB304N00600) GWH12RB-K3DNA8C/I(CB313N00200), GWH09RB-K3DNA6C/I(CB305N00100), GWH12RB-K3DNA6C/I(CB305N00200) GWH09RB-K3DNA9C/I(CB314N00100), GWH09RB-K3DNA9C/I(CB314N00101), GWH12RB-K3DNA9C/I(CB314N00200) -
Page 22: Technical Information
Service Manual GWH09RB-K3DNA3C/I(CB302N00901), GWH12RB-K3DNA3C/I(CB302N01001) DISPLAY ROOM TUBE POWER TEM.SENSOR TEM.SENSOR YEGN CN1 CN2 W1 BU N(1) W2 BK ROOM TUBE DISP-1 DISP-2 COM-OUT W3 BN YEGN AC-L L-OUT W4 YEGN JUMP EVAPORATOR SWING-UD HEALTH-L HEALTH-N COOL PLASMA GENERATOR SWING MOTOR MOTOR(U.D) ●... -
Page 23: Pcb Printed Diagram
Service Manual 5.2 PCB Printed Diagram Indoor Unit ● Top view Power of switch Protective tube Live wire of health function Port of neutral wire Port of indoor fan Solid-state relay Jumper Cap Auto button Feedback of indoor fan 10 Port of motor for vertical swing Port of motor for horizontal swing 12 Buzzer... - Page 24 Service Manual Outdoor Unit ● Top view inductance pin2 inductance pin1 four-wayvalve compressor electricheater chassis electric heater fan neilsbed 10-core communication cable electric expansion valve overload protection 10 temp. sensor ● Bottom view Technical Information...
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Page 25: Function And Control
Service Manual 6. Function and Control 6.1 Remote Controller Introduction Buttons on Remote Controller ON/OFF button - button + button MODE button H O U R ONOFF FAN button SWING button I FEEL button button SLEEP button TEMP button TIMER-ON button CLOCK button TIMER-OFF button TURBO... - Page 26 Service Manual 1. ON/OFF Button Press this button to turn on the unit. Press this button again to turn off the unit. 2. - Button Press this button to decrease set temperature. Holding it down above 2 seconds rapidly decreases set temperature. In AUTO mode, set temperature is not adjustable.
- Page 27 Service Manual power on it will display the setting temperature,if the temperature's displaying status is changed from other status to " ", displays the ambient temperature, 3s later or within 3s, it receives other remote control signal that will return to display the setting temperature. if the users haven't set up the temperature displaying status, that will display the setting temperature.(This function is applicable to partial of models) 11.
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Page 28: Replacement Of Batteries In Remote Controller
Service Manual Replacement of Batteries in Remote Controller 1.Press the back side of remote controller marked with“ ”as shown in the fi g, and then push out the cover of battery box along the arrow direction. 2. Replace two 7# (AAA 1.5V) dry batteries, and make sure the position of “+” polar and “-“ polar are correct. 3. -
Page 29: Brief Description Of Modes And Functions
Service Manual 6.2 Brief Description of Modes and Functions 1. Temperature Parameters Indoor preset temperature (T preset Indoor ambient temperature (T amb. 2. Basic Functions Once energized, in no case should the compressor be restarted within less than 3 minutes. In the situation that memory function is available, for the first energization, if the compressor is at stop before de-energization, the compressor will be started without a 3-minute lag;... - Page 30 Service Manual (3) HEAT mode The condition and process of heating If T ≤T , HEAT mode will act, the compressor, outdoor fan and reversal valve will run, the indoor fan will delay preset 3min to stop at the latest If T +2˚C <...
- Page 31 Service Manual Note: T indicated in 1 and 2 refers to, under initially heating mode, the indoor ambient temperature before the indoor amb. command to start the compressor is performed according to the program, or after the unit is withdrawn from defrost, the indoor ambient temperature before the defrost symbol is cleared.
- Page 32 Service Manual Designation of sensors Faults The sensor is detected to be open-circuited or short-circuited for successive 5 Indoor ambient temperature seconds The sensor is detected to be open-circuited or short-circuited for successive 5 Indoor tube temperature seconds The sensor is detected to be open-circuited or short-circuited for successive 30 Outdoor ambient temperature seconds The sensor is detected to be open-circuited or short-circuited for successive 30...
- Page 33 Service Manual swinging states: Location L, Location A, Location B, Location C, Location D, Location L to Location D, stop at any location between L-D (the included angle between L~D is the same). The air deflector will be closed at 0 Location, and the swinging is effectual only on condition that setting the swinging order and the inner fan is running.
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Page 34: 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 35 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.
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Page 36: Installation
Service Manual 8. Installation 8.1 Installation Dimension Diagram Installation dimension diagram Space to the ceiling 15 cm Above Space to the wall 15 cm Above 15 cm Above Space to the wall 300 cm Above Above Air outlet side Space to the floor The dimensions of the space necessary for proper ●... -
Page 37: 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 38: Installation Parts-Checking
Service Manual 8.2 Installation Parts-checking 8.4 Requirements For Electric Connection Name Name 1. Safety precaution Indoor unit Sealing gum (1) Must follow the electric safety regulations when installing Outdoor unit Wrapping tape the unit. Support of outdoor (2) According to the local safety regulations, use qualifi ed Connection pipe unit power supply circuit and air switch. - Page 39 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 fi rmly installed by in Fig.5) pulling the frame.
- Page 40 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 then take down the cover.(As show in Fig.11) and drain hose with the band.(As show in Fig.14) (2) Reserve a certain length of drain hose and power cord Panel...
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Page 41: Installation Of Outdoor Unit
Service Manual 8.6 Installation of Outdoor Unit Refer to the following table for wrench moment of force: 1. Fix the support of outdoor unit(select it according to the Hex nut diameter(mm) Tightening torque(N.m) actual installation situation) Φ6 15~20 Φ9.52 30~40 (1) Select installation location according to the house structure. -
Page 42: Vacuum Pumping And Leak Detection
Service Manual (3) The water outlet can't 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 fi nishing installation. The drain hose can't be fluctuant Items to be checked Possible malfunction... -
Page 43: Maintenance
Service Manual 9. Maintenance 9.1 Error Code List Display Method of Outdoor Display Method of Indoor Unit Unit Indicator has 3 kinds of Indicator Display (during display status and during Malfunction blinking, ON 0.5s and OFF Dual-8 A/C status Possible Causes blinking, ON 0.5s and OFF Name 0.5s) - Page 44 Service Manual Display Method of Outdoor Display Method of Indoor Unit Unit Indicator has 3 kinds of Indicator Display (during display status and during Malfunction blinking, ON 0.5s and OFF Dual-8 A/C status Possible Causes blinking, ON 0.5s and OFF Name 0.5s) Code...
- Page 45 Service Manual Display Method of Outdoor Display Method of Indoor Unit Unit Indicator has 3 kinds of Indicator Display (during display status and during Malfunction blinking, ON 0.5s and OFF Dual-8 A/C status Possible Causes blinking, ON 0.5s and OFF Name 0.5s) Code...
- Page 46 Service Manual Display Method of Outdoor Display Method of Indoor Unit Unit Indicator has 3 kinds of Indicator Display (during display status and during Malfunction blinking, ON 0.5s and OFF Dual-8 A/C status Possible Causes blinking, ON 0.5s and OFF Name 0.5s) Code...
- Page 47 Service Manual Display Method of Outdoor Display Method of Indoor Unit Unit Indicator has 3 kinds of Indicator Display (during display status and during Malfunction blinking, ON 0.5s and OFF Dual-8 A/C status Possible Causes blinking, ON 0.5s and OFF Name 0.5s) Code...
- Page 48 Service Manual Display Method of Outdoor Display Method of Indoor Unit Unit Indicator has 3 kinds of Indicator Display (during display status and during Malfunction blinking, ON 0.5s and OFF Dual-8 A/C status Possible Causes blinking, ON 0.5s and OFF Name 0.5s) Code...
- Page 49 Service Manual Display Method of Indoor Unit Display Method of Outdoor Unit Indicator Display (during Indicator has 3 kinds of display blinking, ON 0.5s and OFF status and during blinking, ON Dual-8 Malfunction A/C status Possible Causes 0.5s) 0.5s and OFF 0.5s Code Name Operation...
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Page 50: Troubleshooting For Main Malfunction
Service Manual 9.2 Troubleshooting for Main Malfunction 1. Malfunction of Temperature Sensor F1, F2 Troubleshooting for F1,F2 malfunction the wiring terminal between the temperature sensor and the controller loosened or poorly contacted? Insert the temperature sensor tightly Is malfunction eliminated Is there short circuit due to trip - over of the parts? Make the parts upright... - Page 51 Service Manual 2. Malfunction of Blocked Protection of IDU Fan Motor H6 Troubleshooting for H6 malfunction Stir the blade with a tool to see whether the blade rotates smoothly Tighten the screw; reassemble the blade, motor and shaft bearing rubber base sub-assy to make sure there is no foreign object between them Is malfunction eliminated...
- Page 52 Service Manual 3. Malfunction of Protection of Jumper Cap C5 Troubleshooting for C5 malfunction Appearance of Is there jumper cap on the the jumper cap mainboard ? Assemble the jumper cap with the same model Is malfunction eliminated the jumper cap inserted correctly and tightly ? Insert the...
- Page 53 Service Manual 4. Malfunction of Overcurrent Protection E5 Troubleshooting for E5 malfunction Is the supply voltage unstable Normal fluctuation is within 10 % of the rated Malfunction is with big fluctuation? voltage on the nameplate eliminated Is the supply voltage too low Malfunction is Adjust the supply voltage to maintain it within Malfunction is...
- Page 54 Service Manual 5. Malfunction of Zero-crossing Inspection Circuit Malfunction of the IDU Fan Motor U8 Troubleshooting for U8 malfunction Re-energize1 minute after de-erergization The unit returns to normal. Conclusion:U8 is displayed due U8 is still to instant energization afte de- displayed energization while the capacitor discharges slowly.
- Page 55 Service Manual 6.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 56 Service Manual 7.IPM protection(H5), desynchronizing malfunction(H7), overcurrent of compressor phase current (P5) (AP1 below means control board of outdoor unit) Main detection points: ● Is voltage input within the normal range ● If the control board AP1 is well connected with compressor COMP? If they are loosened? If the connection sequence is correct? ●...
- Page 57 Service Manual 8.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. E8 is displayed Normal protection, please If the outdoor...
- Page 58 Service Manual 9.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 suffi cient? ● If the compressor is damaged? ● If the refrigerant charging amount is too much? Turn on the unit The stop time is not sufficient and If the stop time of compressor...
- Page 59 Service Manual 10.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 60 Service Manual H3 or E4 is displayed 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 61 Service Manual 11.PFC (correction for power factor) malfunction (outdoor unit malfunction) Main detection points: ● Check if power plug is connected well with the socket ● Check if the reactor of outdoor unit is damaged? Malfunction diagnosis process: start If power plug is connected Is the malfunction Connect the plug correctly well with the socket...
- Page 62 Service Manual 12.Communication malfunction (E6) Main detection points: ● Check if the connection wire and the built-in wiring of indoor and outdoor unit are connected well and without damage; ● If the communication circuit of indoor mainboard is damaged? If the communication circuit of outdoor mainboard (AP1) is damaged? Malfunction diagnosis process: If the unit operates normally before malfunction...
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Page 63: Troubleshooting For Normal Malfunction
Service Manual 9.3 Troubleshooting for Normal Malfunction 1. Air Conditioner Can't be Started Up Possible Causes Discriminating Method (Air conditioner Status) Troubleshooting Confi rm whether it's due to power failure. If yes, No power supply, or poor After energization, operation indicator isn’t bright wait for power recovery. - Page 64 Service Manual 4. ODU fan Motor Can't Operate Possible causes Discriminating method (air conditioner status) Troubleshooting Connect wires according to wiring diagram to Wrong wire connection, or poor Check the wiring status according to circuit make sure all wiring terminals are connected connection diagram fi...
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Page 65: Exploded View And Parts' List
Service Manual 10. Exploded View and Parts’ List 10.1 Indoor Unit Installation and Maintenance... - Page 66 Service Manual Part Code Description GWH09RB-K3DNA2C/I GWH12RB-K3DNA2C/I Product code CB301N01100 CB301N01200 Front Panel Assy 20022122 20022122 Display Board 30565137 30565137 Filter Sub-Assy 1112220403 1112220403 Screw Cover 242520179 242520179 Front Case Sub-assy 2001279001 2001279001 Air Louver 1 1051215603 1051215603 Air Louver 2...
- Page 67 Service Manual Part Code Description GWH09RB-K3DNA3C/I GWH12RB-K3DNA3C/I Product code CB302N00900 CB302N01000 Front Panel Assy 20012858 20012858 Display Board 30565137 30565137 Filter Sub-Assy 1112220403 1112220403 Screw Cover 24252016 24252016 Front Case Sub-assy 20012790 20012790 Air Louver 1 1051215603 1051215603 Air Louver 2 1051215503 1051215503 Helicoid tongue...
- Page 68 Service Manual Part Code Description GWH09RB-K3DNA5C/I GWH12RB-K3DNA5C/I Product code CB304N00500 CB304N00600 Front Panel Assy 20012948 20012948 Display Board 30565159 30565159 Filter Sub-Assy 1112220403 1112220403 Screw Cover 242520179 242520179 Front Case Sub-assy 2001279001 2001279001 Air Louver 1 1051215603 1051215603 Air Louver 2 1051215503 1051215503 Helicoid tongue...
- Page 69 Service Manual PartCode Description GWH09RB-K3DNA8C/I GWH12RB-K3DNA8C/I Product code CB313N00100 CB313N00200 Front Panel Assy 20022516 20022516 Display Board 30565234 30565234 Filter Sub-Assy 1112220403 1112220403 Screw Cover 24252016 24252016 Front Case Sub-assy 20012790 20012790 Air Louver 1 1051215603 1051215603 Air Louver 2 1051215503 1051215503 Helicoid tongue...
- Page 70 Service Manual Part Code Description GWH09RB-K3DNA2C/I GWH12RB-K3DNA2C/I Product code CB301N01100 CB301N01200 Front Panel Assy 20022122 20022122 Display Board 30565137 30565137 Filter Sub-Assy 1112220403 1112220403 Screw Cover 242520179 242520179 Front Case Sub-assy 2001279001 2001279001 Air Louver 1 1051215603 1051215603 Air Louver 2...
- Page 71 Service Manual Part Code Description GWH09RB-K3DNA3C/I GWH12RB-K3DNA3C/I Product code CB302N00900 CB302N01000 Front Panel Assy 20012858 20012858 Display Board 30565137 30565137 Filter Sub-Assy 1112220403 1112220403 Screw Cover 24252016 24252016 Front Case Sub-assy 20012790 20012790 Air Louver 1 1051215603 1051215603 Air Louver 2 1051215503 1051215503 Helicoid tongue...
- Page 72 Service Manual Part Code Description GWH09RB-K3DNA6C/I GWH12RB-K3DNA6C/I Product code CB305N00100 CB305N00200 Front Panel Assy 20022260 20022260 Display Board 30565207 30565207 Filter Sub-Assy 1112220403 1112220403 Screw Cover 242520179 242520179 Front Case Sub-assy 2001279001 2001279001 Air Louver 1 1051215603 1051215603 Air Louver 2 1051215503 1051215503 Helicoid tongue...
- Page 73 Service Manual Part Code Description GWH09RB-K3DNA9C/I Product code CB314N00100 CB314N00101 Front Panel Assy 20022598S 2002259801S Display Board 30565257 30565258 Filter Sub-Assy 1112220403 1112220403 Screw Cover 24252016 24252016 Front Case Sub-assy 2001279001 2001279001 Air Louver 1 1051215603 1051215603 Air Louver 2 1051215503 1051215503 Helicoid tongue...
- Page 74 Service Manual Part Code Description GWH12RB-K3DNA9C/I Product code CB314N00200 CB314N00201 Front Panel Assy 20022598S 2002259801S Display Board 30565257 30565258 Filter Sub-Assy 1112220403 1112220403 Screw Cover 24252016 24252016 Front Case Sub-assy 2001279001 2001279001 Air Louver 1 1051215603 1051215603 Air Louver 2 1051215503 1051215503 Helicoid tongue...
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Page 75: Outdoor Unit
Service Manual 10.2 Outdoor Unit GWH09RB-K3DNA3C/O(CB302W00900), GWH12RB-K3DNA3C/O(CB302W01000) Installation and Maintenance... - Page 76 Service Manual Part Code Description GWH09RB-K3DNA3C/O GWH12RB-K3DNA3C/O Product Code CB302W00900 CB302W01000 Electric Box Assy 02613591 02613588 Electric Box Sub-Assy 02613590 02613589 Main Board 30148761 30148762 Reactor 43130184 43130184 Terminal Board 42011113 420111041 Wire Clamp 71010003 71010003 Front Grill 22413008 22413008 Front Panel 01533034P 0153303204P...
- Page 77 Service Manual GWH09RB-K3DNA3C/O(CB302W00901), GWH12RB-K3DNA3C/O(CB302W01001) Installation and Maintenance...
- Page 78 Service Manual Part Code Description GWH09RB-K3DNA3C/O GWH12RB-K3DNA3C/O Product Code CB302W00900 CB302W01000 Electric Box Assy 02613591 02613588 Electric Box Sub-Assy 02613590 02613589 Main Board 30148761 30148762 Reactor 43130184 43130184 Terminal Board 42011113 420111041 Wire Clamp 71010003 71010003 Front Grill 22413027 22413027 Front Panel 01533034P 0153303204P...
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Page 79: Removal Procedure
Service Manual 11. Removal Procedure Caution: discharge the refrigerant completely before removal. 11.1 Removal Procedure of Indoor Unit 1. Before disassembly of the unit 2. Remove filter and horizontal louver Open the panel. Loosen clasps on filter and then remove the filter. - Page 80 Service Manual 3. Remove display and panel display Remove screws on display and then remove the display. screw front panel assy rotation shaft Quit the rotation shaft of panel from groove, and then remove the panel. 4. Remove electric box cover 2 screw Remove screws connecting electric box cover 2 and front case, and then remove the electric box...
- Page 81 Service Manual 5. Remove front case Remove screws connecting front case and bottom case. screw clasp Open screw cover by hand, remove other 3 screws, loosen clasps connecting front case and bottom case and then remove the front case. 6. Remove swing blade Remove 10 clasps connecting swing blade and bottom case.
- Page 82 Service Manual 7. Remove electric box indoor temperature sensor Pull out the indoor temperature sensor. electric box cover Remove screws connecting electric box and bottom case, loosen clasps, remove screws connecting earthing wire and evaporator, and then remove the electric box. electric box 8.
- Page 83 Service Manual 9. Remove cross flow blade and motor Remove screws on stepping motor, and then remove the stepping motor. stepping motor Remove 4 screws connecting motor press plate and bottom case, and then remove motor press plate. motor press plate Remove cross flow blade and motor.
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Page 84: Removal Procedure Of Outdoor Unit
Service Manual 11.2 Removal Procedure of Outdoor Unit Warning: Be sure to wait for a minimum of 20 minutes after turning off all power supplies and discharge the refrigerant completely before removal. Take GWH09RB-K3DNA3C/O(CB302W00900), GWH12RB-K3DNA3C/O(CB302W01000) for example. Remove big handle Before disassembly Remove 1 connection screw fixing big hand leand then remove the big handle. - Page 85 Service Manual 3. Remove front grill and front panel Remove 2 connection screws between front grill and front panel. Then remove front panel. Remove 5 connection screws among front panel, chassis and motor support. Then remove front panel. front grill front panel 4.
- Page 86 Service Manual Remove electric box assy Electric box assy Remove the 2 screws fixing the cover of electric box. Lift to remove the cover. Loosen the wire and disconnect the terminal. Lift to remove the electric box assy. 7. Disassemble 4-way Valve Assy Unscrew the fastening nut of the 4-way Valve 4-way Valve Assy Assy coil and remove the coil.
- Page 87 Service Manual 9. Disassemble motor and motor support Motor support Remove the 4 tapping screws fixing the motor. Pull out the lead-out wire and remove the Motor motor. Remove the 2 tapping screws fixing the motor support. Lift motor support to re- move it.
- Page 88 Service Manual 11. Disassemble Compressor Remove the 2 screws fixing the gas valve. Unsolder the welding spot connecting gas valve and air return pipe and remove the gas valve. (Note: it is necessary to warp the gas valve when unsoldering the welding spot.) Remove the 2 Liquid valve screws fixing liquid valve.
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Page 89: 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 （℉）... -
Page 90: Appendix 3: Pipe Expanding Method
Service Manual Appendix 3: Pipe Expanding Method Pipe Note: Improper pipe expanding is the main cause of refrigerant leakage.Please Pipe cutter expand the pipe according to the following steps: Leaning Uneven Burr A:Cut the pip ● Confi rm the pipe length according to the distance of indoor unit and outdoor unit. ●... -
Page 91: Appendix 4: List Of Resistance For Ambient Temperature Sensor
Service Manual Appendix 4: List of Resistance for Ambient Temperature Sensor Resistance Table for Indoor and Outdoor Ambient Temperature Sensors (15K) Temp( ) Resistance(kΩ) Temp( ) 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... - Page 92 Service Manual Resistance Table for Indoor and Outdoor Tube Temperature Sensor (20K) Temp( ) Resistance(kΩ) Temp( ) 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 93 Service Manual Resistance Table of Outdoor Discharge Temperature Sensor(50K) Temp( ) Resistance(kΩ) Temp( ) Resistance(kΩ) Temp( ) Resistance(kΩ) Temp( Resistance(kΩ) 853.5 18.34 4.754 799.8 93.42 17.65 4.609 89.07 16.99 4.469 703.8 84.95 16.36 4.334 660.8 81.05 15.75 4.204 620.8 77.35 15.17 4.079 580.6...
- Page 94 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 Nathan Road,TST,Kowloon,HK Tel: (852) 31658898 Fax: (852) 31651029 For product improvement, specifi cations and appearance in this manual are subject to change without prior notice.