Gree GWH09RA-K3DNA1A Service Manual
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Gree GWH09RA-K3DNA1A Service Manual

Gree GWH09RA-K3DNA1A Service Manual

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MODEL: GWH09RA-K3DNA1A
GWH12RB-K3DNA1A
(Refrigerant R410A)

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Summary of Contents for Gree GWH09RA-K3DNA1A

  • Page 1 MODEL: GWH09RA-K3DNA1A GWH12RB-K3DNA1A (Refrigerant R410A)

  • Page 2: Table Of Contents

    Table of Contents Summary and features ..................1 Part 1 Safety Precautions ..................2 Part 2 Specifications .....................3 2.1 Unit Specifications....................3 2.2 Operation Characteristic Curve................5 2.3 CapacityVariation Ratio AccordingtoTemperature..........5 2.4 Operation Data.......................6 2.5 Noise criteria curve tables for both models............6 Part 3 Construction Views ..................7 3.1 Indoor Unit ......................7 3.2 Outdoor Unit ......................7...
  • Page 3 Table of Contents Part 8 Exploded Views and Parts List ..............32 8.1 Indoor unit......................32 8.2 Outdoor unit......................34 Part 9 Troubleshooting ....................38 9.1 Malfunction Analysis.....................38 ....................42 Malfunction Code 9.3 How to Simply Check the Main Part..............45 Part10 Removal Procedure ..................55 10.1 Removal Procedure of Indoor Unit..............55 10.2 Removal Procedure of Outdoor Unit..............60...

  • Page 4: Summary And Features

    Summary and features Summary and features Indoor Unit GWH09RA-K3DNA1A/I GWH12RB-K3DNA1A/I Outdoor Unit GWH09RA-K3DNA1A/O GWH12RB-K3DNA1A/O Remote control...

  • Page 5: Part 1 Safety Precautions

    Safety Precautions 1.Safety Precautions Installing, starting up, and servicing air conditioner can be Make sure the outdoor unit is installed on a stable, level hazardous due to system pressure, electrical components, and surface with no accumulation of snow, leaves, or trash beside.

  • Page 6: Part 2 Specifications

    Specifications Specifications 2.1 Unit Specifications Parameter Value Unit Model GWH09RA-K3DNA1A GWH12RB-K3DNA1A Product Code CB14400020 CB14400030 Rated Voltage 220-240 220-240 Power Rated Frequency Supply Phases Power Supply Mode Indoor Indoor Cooling Capacity (Min Max) 2500(500 3200) 3500(950 4000) Heating Capacity (Min Max)
  • Page 7 Specifications Model of Outdoor Unit GWH09RA-K3DNA1A/O GWH12RB-K3DNA1A/O PANASONIC WANBAO ZHUHAI LANDA COMPERSSOR Compressor Manufacturer/Trademark COMPRESSOR (GUANGZHOU) CO.,LTD./GREE CO.LTD/PANASONIC Compressor Model QXA-A086zC190 5RS102ZJA21 Compressor Oil FVC68D FV50S Compressor Type Rotary Rotary L.R.A. 25.00 25.00 Compressor RLA 12.00 4.47 Compressor Power Input...

  • Page 8: Operation Characteristic Curve

    Specifications 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 n i l Condition Condition Indoor:DB20℃...

  • Page 9: Operation Data

    Specifications 2.4 Operation Data Cooling Temperature condition Standard Compressor Heat exchanger pipe temp. Indoor fan Model Outdoor fan (°C) pressure revolution name mode mode Indoor Outdoor P (MPa) T1 (°C) T2 (°C) (rps) Turbo in:8~11 in:75~85 27/19 35/24 0.85~1.0 out:11~14 out:37~43 Turbo Heating...

  • Page 10: Part 3 Construction Views

    Constrction views 3. Construction Views 3.1 Indoor Unit 3.2 Outdoor Unit Unit:mm 09K Unit...
  • Page 11 Constrction views 12K Unit Unit:mm...

  • Page 12: Part 4 Refrigerant System Diagram

    Refrigerant System Diagram 4. Refrigerant System Diagram 4-Way valve HEAT EXCHANGER (EVAPORATOR) Accumlator Compressor HEAT EXCHANGER (EVAPORATOR) Capillary/EEV Strainer Strainer COOLING HEATING Refrigerant pipe diameter Liquid : 1/4" (6 mm) Gas : 3/8" (9.52mm)

  • Page 13: Part 5 Schematic Diagram

    Schematic Diagram 5. Schematic Diagram 5.1 Electrical Data Indoor Unit Symbol Color symbol Symbol Color symbol BROWN BLUE BLACK YEGN YELLOW GREEN PROTECTIVE EARTH Outdoor Unit Symbol Parts name Symbol Color symbol Symbol Color symbol CT 1,2 OVERLOAD YELLOW YEGN YELLOW GREEN COMP COMPRESSOR...

  • Page 14: Schematic Diagram

    Schematic Diagram Outdoor Unit 09K Unit HEATER HEATER (COMP) (CHASSIS) TUBE OUTROOM EXHAUST TEM.SENSOR TEM.SENSOR TEM.SENSOR RD RD YEGN YEGN HEAT-N1 HEAT-N2 HEAT-L LX1-1 AC-L LX1-2 AC-L2 COM-OUT AC-N N(1) AC-L3 AC-N1 AC-L1 AC-L YEGN OVC-COMP OFAN AC-N2 W13W14 W15 ELECTRIC BOX MID.ISOLATION SHEET L2 L2...

  • Page 15: Printed Circuit Board

    Schematic Diagram 5.3 Printed Circuit Board (1) Indoor unit TOP VIEW Solid-state relay Port of neutral wire Auto button Feedback of indoor fan Live wire of health function Port of indoor fan Port of motor for vertical swing Port of motor for horizontal swing Protective tube Buzzer Port of indoor ambient temp sensor...
  • Page 16 Schematic Diagram (2) Outndoor unit 09K Unit TOP VIEW Power of switch Neutral wire Live wire Terminal of reactor 4-way valve Port of fan Port of compressor Communication port Electronic expansion valve Temp sensor Overload BOTTOM VIEW...
  • Page 17 Schematic Diagram 12K Unit TOP VIEW Electronic expansion valve Port 2 of reactor Outdoor fan Ground wire Port 1 of reactor 4-way valve Port of compressor Live wire Neutral wire Overload protector Temp sensor Communication port of compressor to indoor unit BOTTOM VIEW...

  • Page 18: Part 6 Function And Control

    Function and Control 6. Function and Control 6.1 Remote Controller Description ON/OFF Button Set point Temperature DOWN Button Set point Temperature UP Button MODE Button ： H O U R ONOFF FAN Speed Button SWING Button; ＯＮ ＯＦＦ ／ － ＋ I FEEL Button Sleep Mode Button ＭＯＤＥ...

  • Page 19: Digital Display

    Function and Control SLEEP icon : is displayed by pressing the SLEEP button. Press this button again to clear the display. LIGHT icon: is displayed by pressing the LIGHT button. Press LIGHT button again to clear the display. TEMP icon: Pressing TEMP button, (set temperature), (intdoor ambient temperature),...
  • Page 20 Function and Control ON/OFF Press this button to turn on the unit .Press this button again to turn off the unit. 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. Press this button to increase set temperature.Holding it down above 2 seconds rapidly increases set temperature.
  • Page 21 Function and Control SLEEP: Press this button to go into the SLEEP operation mode. Press it again to cancel this function. This function is available in COOL , HEAT (Only for models with heating function) or DRY mode to maintain the most comfortable temperature for you.

  • Page 22: Changing Batteries And Notices

    Function and Control ℃ Combination of " TEMP " and "CLOCK" buttons : About 8 Heating Function Press “TEMP” and “CLOCK” simultaneously in HEAT mode to start ℃ Heating Function Nixie tube on the remote controller displays “ ” and a selected temperature of “8 ”...

  • Page 23: Description Of Each Control Operation

    Function and Control 6.3 Description of Each Control Operation 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 24 Function and Control (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 ,the unit will keep running in the original mode.
  • Page 25 Function and Control 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 26 Function and Control Designation of sensors Faults The sensor is detected to be open-circuited or short-circuited for successive 30 Indoor ambient temperature seconds The sensor is detected to be open-circuited or short-circuited for successive 30 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 27 Function and Control Heating angle Cooling angle (10) Display Operation pattern and mode pattern display All the display patterns will display for a time when the power on, the operation indication pattern will display in red under standby status. When the machine is start by remote control, the indication pattern will light and display the current operation mode (the mode light includes: Cooling, heating and dehumidify).

  • Page 28: Part 7 Installation Manual

    Installation Manual 7. Installation Manual 7.1 Notices for Installation Important Notices 1.The unit installation work must be done by qualified personnel according to the local rules and this manual. 2.Before installating, please contact with local authorized maintenance center, if unit isnot installed by the authorized maintenance center, the malfunction may not solved,due to discommodious contacts.
  • Page 29 Installation Manual 7.1.4 Safety Requirements For Electric Appliances 1. The power supply should be used the rated voltage and AC exclusive circuit,the power cable diameter should be satisfied. 2. Don't drag the power cable emphatically. 3.It should be reliably earthed, and it should be connected to the special earth device,the installation work should be operated by the professional.

  • Page 30: Installation Drawing

    Installation Manual 7.2 Installation Drawing Space to the ceiling Above Space to the wall Above Above Space to the wall Above Above Air outlet side Space to the floor The dimensions of the space necessary for proper ● installation of the appliance include the minimum permissible distances to adjacent structures.

  • Page 31: Install Indoor Unit

    Installation Manual 7.3 Install indoor unit 7.3.1 Installing Mounting Plate 1.Make the mounting plate completely level . As the water tray's oulet of the indoor unit is two-way type, the indoor unit during installation should slightly slant to watert tray's outlet for smooth drainage of condensing water. 2.Fix the mounting plate on the wall with screws.(Where is pre-covered with plastic granula) 3.Be sure that the mounting plate has been fixed firmly enough to withstand the weight of an adult of 60kg;further more, the weight should be evenly shared by each screw.

  • Page 32: Install Outdoor Unit

    Installation Manual NOTE: All interconnecting wiring between indoor and outdoor unit must be performed by a licenced electrical contractor . The electric wiring must be correctly connected.Improper connection may cause spare parts malfunction. Tighten the terminal screws adequately to prevent loosening. After tightening the screws, slightly pull the wire and confirm whether it is firm or not.

  • Page 33: Check After Installation And Test Operation

    Installation Manual 7.4.2 Air Purging and Leakage Test 1. Connect charging hose of manifold valve to charge end of low pressure valve Manifold Valve (both high/low pressure valves must be tightly shut). Multimeter Manometer -76cmHg 2. Connect joint of charging hose to vacuum pump. Hi handle Lo Handle 3.

  • Page 34: Installation And Maintenance Of Healthy Filter

    Installation Manual 7.5.2 Operation Test 1.Before Operation Test (1)Do not switch on power before installation is finished completely. (2)Electric wiring must be connected correctly and securely. (3)Cut-off valves of the connection pipes should be opened. (4)All the impurities such as scraps and thrums must be cleared from the unit. 2.Operation Test Method (1)Switch on power and press "ON/OFF"...

  • Page 35: Part 8 Exploded Views And Parts List

    Exploded Views and Parts list 8. Exploded Views and Parts List 8.1 Indoor Unit...
  • Page 36 Exploded Views and Parts list Part Code Description GWH09RA-K3DNA1A/I GWH12RB-K3DNA1A/I Product code CB144N0020 CB144N0030 Front Panel Assy 20012765 20012765 Filter Sub-Assy 1112220401 1112220401 Screw Cover 24252016 24252016 Front Case Sub-assy 20012790 20012790 Air Louver 1 1051215603 1051215603 Air Louver 2...

  • Page 37: Outdoor Unit

    Exploded Views and Parts list 8.2 Outdoor Unit 09K Uuit 10 11...
  • Page 38 Exploded Views and Parts list Part Code Description GWH09RA-K3DNA1A/O Product code CB144W0020 Small handle 26233100 Axial Flow Fan 10333004 Fan Motor 1501315802 Motor Support 01703058 Top Cover Sub-Assy 01253454 Rear Grill 01473009 Condenser Assy 01113546 Electric Expansion Valve Sub-Assy 07133564...
  • Page 39 Exploded Views and Parts list 12K Unit...
  • Page 40 Exploded Views and Parts list Part Code Description GWH12RB-K3DNA1A/O Product code CB144W0030 Front grill 3063401 Front Panel 15330124 Chassis Sub-assy 01203919P Clapboard Sub-Assy 01233034 Drainage Connecter 06123401 Compressor and fittings 00103215 4-way Valve Assy 03123420 Valve Support 01713041 Valve 07100005 Valve 07100004 Big Handle...

  • Page 41: Part 9 Troubleshooting

    Troubleshooting 9. Troubleshooting 9.1 Malfunction Analysis Measure insulation resistance The breaker trips at once when it to ground to see if there is any is set to “ON”. leakage. Trip of breaker or blow of fuse The circuit or the part of the air conditioner has malfunction.
  • Page 42 Troubleshooting Improper set of temperature Adjust set temperature If cooling (heating) load is Check the forecasted load of cooling (heating) proper heck and fill the leakage, then The refrigerant has leakage or is vacuumize it and supplement the re- insufficient frigerant as required Leakage between the high pres- Replace the compressor...
  • Page 43 Troubleshooting The indoor fan motor is burned or breaks or has the heat protector Replace the fan motor or the defective part. malfunction. The built-in heat protector of the Replace the fan motor The fan does not motor breaks frequently because the run when it is set motor is abnormal.
  • Page 44 Troubleshooting The torque of the swing motor is not enough First, check whether the connection is Wrong connection The swing fan wrong. If no, replace the parts does not run. The controller is damaged(IC2003 is damaged, the swing relay can not close, etc) C o n t r o l l e r m a l f u n c t i o n ( I C 2 0 0 3 Change controller...

  • Page 45: Malfunction Code

    Troubleshooting Malfunction Code Flashing LED of Indoor/Outdoor Unit and Primary Judgement Name of Operation Status Yellow LED Red LED Green LED Display on IDU Compressure operates Blink once Defrosting Blink twice Freeze prevention protection Blink for 3 times H5(displayed after it occurs for IPM protection Blink for 4 times successively 6...
  • Page 46 Troubleshooting...
  • Page 47 Troubleshooting...

  • Page 48: How To Check Simply The Main Part

    Troubleshooting 9.3 How to Check simply the main part Turn on the unit and wait 1 minute Use DC voltmeter to measure the voltage on the two ends of electrolytic capacitor (test3) Fault with the voltage testing circuit on Replace the control Voltage higher than 200V? panel AP1 control panel AP1...

  • Page 49: Troubleshooting

    Troubleshooting (2) IPM Protection, Out-of step Fault,Compressor Phase Over current(AP1 below refers to the outdoor control panel) Mainly detect: If the connection between control panel AP1 and compressor COMP is secure? If loose? If the connection is in correct order? If the voltage input of the machine is within normal range? (Use AC voltmeter to measure the voltage between terminal L and N on the wiring board XT) If the compressor coil resistance is mormal? If the insulation of compressor coil against the coppertube is in good condition?
  • Page 50 Troubleshooting Overheat and high temperature protection Normal protection, please operate it after the Is outdoor ambient temperature higher than 53? outdoor ambient temperature is normalized. 20 minutes after the complete unit is powered off. Improve the heat Is heat dissipation of the indoor unit dissipation environment and outdoor unit abnormal? of the unit...
  • Page 51 Troubleshooting Power on the unit Is stop time of the compressor Restart it up after 3 minutes longer than 3 minutes? Does startup fail? Are the wires for the compressor connected Connect the wires as per the correctly? Is connection sequence right? connection diagram Replace the control panel AP1 If the fault is eliminated?
  • Page 52 Troubleshooting Out of step occurs in Out of step occurs once the operation unit is powered on. Check if the fan terminal Is stop time of the Is the outdoor fan working Replace the fan OFAN is connected correctly compressor longer than capacitor C1 normally? 3 minutes?
  • Page 53 Troubleshooting 20 minutes after the complete unit is powered o ff Is the terminal FA for the Connect the wires correctly connected correctly? Resistances between the first four pins close to the terminal hole and the fifth pin are almost the same, less than 100 ohm.
  • Page 54 Troubleshooting Power factor correct or (PFC) fault (a fault of outdoor unit)(AP1 here in after refers to the control board of the outdoor unit) Start Check wiring of the reactor (L) of the outdoor unit and the PFC capacitor Replace it as per the Whether there is any wiring diagram and If the fault is eliminated?
  • Page 55 Troubleshooting Start Did the equipment operate normally before the failure occurs? Check the wiring of the indoor and outdoor units with reference to the wiring diagram Check wiring inside of the indoor and outdoor Is the connection right? units Correctly connect the corresponding wires for The AP1 voltage Are wires broken?
  • Page 56 Troubleshooting Appendix 1: Resistance Table for Indoor and Outdoor Ambient Temperature Sensors (15K) Temp. Temp. Resistance Temp. Resistance Temp. Resistance Resistance 138.1 18.75 3.848 1.071 128.6 17.93 3.711 1.039 121.6 17.14 3.579 1.009 16.39 3.454 0.98 108.7 15.68 3.333 0.952 102.9 3.217 0.925...
  • Page 57 Troubleshooting Appendix 2: Resistance Table for Indoor and Outdoor Tube Temperature Sensor (20K) Temp. Resistance Temp. Temp. Temp. Resistance Resistance Resistance 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 4.289 1.233...

  • Page 58: Part10 Removal Procedure

    Removal Procedure 10. Removal Procedure 10.1 Removal Procedure of Indoor Unit Warning Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work. Before disassembly Remove filter and horizontal louver Open the front panel. Push the filter inward and then pull it outward to remove it.
  • Page 59 Removal Procedure Remove indicator and front panel indicator Remove connection screw fixing indicator then remove indicator. screws Front Panel Assy Remove rotating shaft of front panel from groove. Then remove the front panel. Remove electric box cover 2 Remove connection screws between screws electric box cover 2 and front case.
  • Page 60 Removal Procedure Remove the front case Remove connection screw between front case and the top of rear case. screws clasps Open screw cap and remove 3 connection screws. Loosen clasps between front case and rear case. Then remove front case. Remove the vertical louver Loosen the clasps connecting the vertical louver and bottom case subassembly.
  • Page 61 Removal Procedure Remove the electric box subassembly indoor temp sensor Unplug indoor temp sensor remove electric box cover Remove connection screws between electric box and rear case. Loosen clasp and remove ground wire and evaporator. Then remove electric box. electric box assy Remove evaporator Pipe Clamp Auxiliary Piping...
  • Page 62 Removal Procedure Remove cross flow fan blade and motor Remove screws of step motor and then remove step motor. Step Motor Remove connection screws between motor clamp and rear case. Then remove motor clamp. Motor Press Plat Remove cross flow fan blade and motor.

  • Page 63: Removal Procedure Of Outdoor Unit

    Removal Procedure 10.2 Removal Procedure of Outdoor Unit Warning Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work. 09K Outdoor Unit Remove big handle Before disassembly Remove 1 connection screw fixing big handle and then remove the big handle.
  • Page 64 Removal Procedure Remove front grill and front panel Remove 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 Remove axial flow fan blade axial flow fan blade Remove nut of fan blade, and then...
  • Page 65 Removal Procedure Remove electric box assy Electric box assy Remove the 2 screws fixing the cover of elec- tric box. Lift to remove the cover. Loosen the wire and disconnect the terminal. Lift to re- move the electric box assy. 7.Disassemble 4-way Valve Assy Unscrew the fastening nut of the 4-way Valve 4-way Valve Assy...
  • Page 66 Removal Procedure 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 67 Removal Procedure 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.
  • Page 68 Removal Procedure 12K Outdoor Unit Warning Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work. Remove big handle Before disassembly Remove 1 connection screw fixing big handle and then remove the big handle.
  • Page 69 Removal Procedure Remove front grill and front panel Remove connection screws between front grill and front panel. Then remove front panel. front grill Remove 5 connection screws among front panel, chassis and motor support. Then remove front panel. front panel Remove right side plate right side plate Remove 7 connection screws among...
  • Page 70 Removal Procedure Remove axial flow fan blade axial flow fan blade Remove nut of fan blade, and then remove axial flow fan blade. Remove electric box assy Reactor sub-assy Remove the screws of theReactor sub-assy and then remove it. Electric box assy Remove the 2 screws fixing the cover of elec- tric box.
  • Page 71 Removal Procedure 7.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 72 Removal Procedure 10.Disassemble Clapboard Sub-Assy Clapboard Sub-Assy Loosen the screws of the Clapboard Sub-Assy . The Clapboard Sub-Assy has a hook on the lower side. Lift and pull the Clapboard Sub-Assy to remove. 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.
  • Page 73 GREE ELECTRIC APPLIANCES,INC.OF ZHUHAI Add:Jinji west Rd.Qianshan Zhuhai Guangdong China Tel:86-756-8522219 (After sale Service Dept) Post code: 5 1 9 0 7 0...

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