Gree GWH(07)RA-K3DNA1A/I Service Manual
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Gree GWH(07)RA-K3DNA1A/I Service Manual

Gree GWH(07)RA-K3DNA1A/I Service Manual

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Service Manual

MODEL: GWH(07)RA-K3DNA1A/I
GWH(09)RA-K3DNA1A/I
GWH(12)RB-K3DNA1A/I
GWH(18)RC-K3DNA1A/I
GREE ELECTRIC APPLIANCES INC.OF ZHUHAI

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Summary of Contents for Gree GWH(07)RA-K3DNA1A/I

  • Page 1: Service Manual

    Service Manual MODEL: GWH(07)RA-K3DNA1A/I GWH(09)RA-K3DNA1A/I GWH(12)RB-K3DNA1A/I GWH(18)RC-K3DNA1A/I GREE ELECTRIC APPLIANCES INC.OF ZHUHAI...

  • Page 2: Table Of Contents

    Table of Contents Table of Contents Summary and Features ..................1 1. Safety Precautions ....................2 ......................3 ......................3 ..............4 3. Construction Views .................... 5 4. Refrigerant System Diagram ..............6 5. Schematic Diagram .................... 7 ........................ 7 ......................

  • Page 3: Summary And Features

    Summary and Features Summary and Features Indoor Unit GWH(07)RA-K3DNA1A/I GWH(09)RA-K3DNA1A/I GWH(12)RB-K3DNA1A/I GWH(18)RC-K3DNA1A/I Remote Controller YT1F MODE I FEEL TIMER CLOCK TIMER X-FAN TEMP TURBO SLEEP LIGHT...

  • Page 4: Safety Precautions

    Safety Precautions 1. Safety Precautions Installing, starting up, and servicing air conditioner can be hazardous due to system pressure, electrical components, and surface with no accumulation of snow, leaves, or trash equipment location, etc. beside. allowed to install, start-up, and service this equipment. weight of the unit.
  • Page 5 2100 2600 2600 2800 0.13 0.13...

  • Page 6: Noise Criteria Curve Tables For Both Models

    3500 5300 3800 5800 0.31 3.15 3.15 2.2 Noise Criteria Curve Tables for Both Models Middle High Super High Indoor Fan Motor Rotating Speed...

  • Page 7: Construction Views

    Constrction Views 3. Construction Views 07&09K Unit: 12K Unit: 18K Unit: Unit:mm 264.5...

  • Page 8: Refrigerant System Diagram

    Refrigerant System Diagram 4. Refrigerant System Diagram outdoor indoor filter A heat exchanger filter outdoor heat exchanger 4-way valve B heat exchanger filter high pressure switch Note: Not available for 14K/18K model discharge silencer C heat exchanger discharge temperature sensor filter D heat exchanger gas -liquid separator...

  • Page 9: Schematic Diagram

    Schematic Diagram 5. Schematic Diagram 5.1 Electrical Wiring FAN MOTOR ROOM TUBE TEM.SENSOR TEM.SENSOR YEGN ROOM TUBE PG PGF N(1) COM-OUT AC-L JUMP YEGN DISP1 DISP2 SWING-UD 4YEGN HEALTH-L HEALTH-N EVAPORATOR COOL PLASMA GENERATOR SWING RECEIVER AND (optional) DISPLAY BOARD MOTOR...

  • Page 10: Printed Circuit Board

    Schematic Diagram 5.2 Printed Circuit Board...

  • Page 11: Function And Control

    Function and Control 6. Function and Control 6.1 Remote Control Operations ON/OFF Press it to start or stop operation. Press it to decrease temperature setting. Press it to increase temperature setting. Press it to set fan speed. MODE Press it to select operation mode (AUTO/COOL/DRY/FAN/HEAT). I FEEL Press it to set HE ALTH function Press it to set AIR function.

  • Page 12: Digital Display

    Function and Control SLEEP icon : is displayed by pressing the SLEEP button. Press this button again to clear the display. TEMP icon: Pressing TEMP button, (set temperature), (ambient temperature), (outdoor ambient temperature) and blank is displayed circularly. Up & down swing icon: is displayed when pressing the up &...

  • Page 13: Timer Off

    Function and Control I FEEL: Press this button to turn on I FEEL function. The unit automatically adjust temperature according to the sensed temperature. Press this button again to cancel I FEEL function. Press this button to set HEALTH function ON or OFF. After the unit is turned on, it defaults to HEALTH function ON. Press this button to select AIR function ON or OFF.

  • Page 14: Replacement Of Batteries

    Function and Control Replacement of Batteries 1.Remove the battery cover plate from the rear of the remote controller. (As shown in the figure) 2.Take out the old batteries. 3.Insert two new AAA1.5V dry batteries, and pay attention to the polarity. 4.

  • Page 15: Description Of Each Control Operation

    Function and Control 6.2 Description of Each Control Operation I. Basic Operation Mode II. Basic Functions 1.Cooling Only indoor temperature---target temperature 2. Dry Mode 3. Heating Mode target temperature---indoor temperature 4. Working Methods of Auto Mode Cooling Heating Cooling operation operation operation With compressor capacity supplied...
  • Page 16 Function and Control 2. Auto Button 3. Auto Fan Note: Under auto fan speed, it will shift between high speed and middle speed, middle speed and low speed, high speed and low speed, the operation time must be 3.5min at least. 4.
  • Page 17 Function and Control 7. Health Function 8. I Feel Function 9. Reserved Fahrenheit Temperature 10. Cold Plasma Function 11. Turbo Function 12. Defrosting Mode Switch 13. Forcible Defrosting Function 14. Refrigerant Recovery Function 15. Pre-operation Function...

  • Page 18: Installation Manual

    Installation Manual 7. Installation Manual 7.1 Notices for Installation Caution 7.1.1 Installation Site Instructions 7.1.2 Installation Site of Indoor Unit 7.1.3 Safety Precautions for Electric Appliances Note: connected. There should be reliable circuit in the diagram.

  • Page 19: Installation Drawing

    Installation Manual 7.1.4 Earthing Requirements 7.2 Installation Drawing Space to the ceiling 15cm Above Space to the wall 15cm Above 15cm Above Space to the wall 300cm Above Above Air outlet side Space to the floor The dimensions of the space necessary for proper ●...

  • Page 20: Install Indoor Unit

    Installation Manual 7.3 Install Indoor Unit 7.3.1 Installation of Mounting Plate Wall Wall Mark on the middle of it Gradienter Space Space to the to the wall wall above above Right Left Ф Ф Fig.1 (Rear piping hole) (Rear piping hole) 7.3.2 Drill Piping Hole Indoor Outdoor...

  • Page 21: Installation Of Indoor Unit

    Installation Manual NOTE: External connection Gas side pipe electric wire 7.3.5 Installation of Indoor Unit Liquid side piping Gas side piping Tailing 2 Liquid side insulation Tailing 1 Piping insulation Finally wrap it Fig.3 Water drainage pipe with tape Left Left rear Right Fig.4...

  • Page 22: Installation And Maintenance Of Healthy Filter

    Installation Manual 7.4.2 Operation Test 7.5 Installation and Maintenance of Healthy Filter 7.5.1 Installation of Healthy Filter Fig. a Fig. b Air filter Healthy filter Fig. 7.5.2 Cleaning and Maintenance 7.5.3 Service Life...

  • Page 23: Exploded Views And Parts List

    Exploded Views and Parts List 8. Exploded Views and Parts List...
  • Page 24 Exploded Views and Parts List 20012671 30565110 11122206 24252016 20122075 20012672 10542008 10512204 1051211302 1051211402 2611216202 10542704 22202186 10352018 76512051 76512210 76512203 26152022 0523001406 05212423 0100274301 24212090 305100492 400204056 01252015 26112164 1501211501 26112160 76712012 1521210801 10582070 12312163 2020262404 2011210501 42011233 20122103 0141203601 30138914...
  • Page 25 Exploded Views and Parts List...
  • Page 26 Exploded Views and Parts List 20012671 30565110 11122206 24252016 20122075 20012672 10542008 10512204 1051211302 1051211402 2611216202 10542704 22202186 10352018 76512051 76512210 76512203 26152022 0523001406 05212423 0100274301 24212090 305100492 400204056 01252015 26112164 1501211501 26112160 76712012 1521210801 10582070 12312163 2020262404 2011210501 42011233 20122103 0141203601 30138914...
  • Page 27 Exploded Views and Parts List...
  • Page 28 Exploded Views and Parts List 20012765 1112220403 24252016 20012790 1051215603 1051215503 2611216302 10512037 22202467 76712012 26152022 76512203 76512051 10352017 24212091 0100274401 01252021 26112161 150120874 2611216401 0523001401 1521210801 10582070 10512203 10542008 2011210501 42011233 20122075 30565110 30138914 0159207301 20122103 2020262714 400204056 390000453 305100492 390000591...
  • Page 29 Exploded Views and Parts List 10 11...
  • Page 30 Exploded Views and Parts List 20012711 30565110 1112208901 24252016 20012667 22202193 10512205 1051211602 2611222802 2611223802 10512037 76712012 10352019 76512051 26152022 01002575 24212100 2611216401 26112494 15012116 01252218 05230014 15012086 10582070 1051211702 10542008 20122142 2020257903 30138916 4202300109 20112108 42011233 20122154 01592102 305100492 390000453 390000591 400204056...

  • Page 31: Troubleshooting

    Troubleshooting 9. Troubleshooting 9.1 Malfunction Display of Indoor Unit 1. Malfunction display requirement 2. Malfunction display method Note: when the compressor is restarted, the malfunction display delay time (200s) is cleared. 3. Malfunction display control 4. Display control via remote controller Display under test state...

  • Page 32: How To Check Simply The Main Part

    Troubleshooting 9.2 How to Check Simply The Main Part 9.2.1 F1/F2 Malfunction Start Is the wiring terminal between temperature sensor and the controller loosened or poo rly contacted? Insert the temperature sensor tightly Malfunction is eliminated. Is there short circuit due to tri-pover of the pa rts? Make the parts upright Malfunction is...
  • Page 33 Troubleshooting 9.2.2 C5 Malfunction C5 is displayed on the unit. Install a matching Is there jumper cap on the jumper cap . controller? Is the malfunction eliminated? Re-insert the jumper Is the jumper cap inserted incorrectly or improperly? Is the malfunction eliminated? Replace the jumper...
  • Page 34 Troubleshooting 9.2.3 H6 Malfunction “H6”is displayed on the unit. Stir the fan blade with a hand when the unit is DE - ENERGIZED . Reinstall the motor Does the and the blade to blade rotate make it rotate unsmoothly? smoothly. Is the malfunction eliminated?
  • Page 35 Troubleshooting 9.2.4 U8 Malfunction “U8” is displayed on the unit. Re-energize 1 minute after de-erergization The unit returns to normal. Conclusion: U8 is displayed due to Is“U8” still displayed? instant energization after de- energization while the capacitor discharges slowly. The zero-cross detection circuit of the mainboard is defined abnormal.
  • Page 36 Troubleshooting 9.2.5 E6 Malfunction Communication malfunction of some indoor units De-energize the unit and check if the connecting wire of indoor and outdoor unit and wiring of electric box are correct. Connect wires Is malfunction Is wire connected according to the removed correctly wiring diagram...
  • Page 37 Troubleshooting Communication malfunction of all indoor units De-energize the unit and check if the connecting wire of indoor and outdoor unit and wiring of electric box are correct. Connect wires Is wire connected Is malfunction according to the correctly removed wiring diagram De-energize the unit.
  • Page 38 Troubleshooting Appendix Appendix 1: Resistance Table of Ambient Temperature Sensor for Indoor and Outdoor Units(15K) 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 97.4 14.36 3.105 0.898 92.22 13.74...
  • Page 39 Troubleshooting Appendix 2: Resistance Table of Outdoor and Indoor Tube Temperature Sensors(20K) 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 1.233 129.9 19.14 4.14 1.198 18.13 3.998 1.164 116.5 17.55...
  • Page 40 Troubleshooting Appendix 3: Resistance Table of Outdoor Discharge Temperature Sensor(50K) 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 73.83 14.62 3.958 548.9 70.5 14.09 3.841 516.6 67.34 13.58...

  • Page 41: Removal Procedure

    Removal Procedure 10. Removal Procedure Warning Be sure to wait for a minimum of 10 minutes after turning off all power supplies before disassembly. 07 09 12K Unit 1.Before disassembly 2.Remove filter and horizontal louver Open the front panel . Push the fi lter inward and then draw itupward to remove it.
  • Page 42 Removal Procedure Indicator 3.Remove indicator and front panel Remove connection screw of indicator and then remove the indicator. Screw Front Panel Assy Remove rotating shaft of front panel and then remove the front panel. 4.Remove electric box cover 2 Screw Remove connection screws between electric box cover 2 and front case.
  • Page 43 Removal Procedure 5. Remove front case Remove connection screws between front case and rear case. Screw Clasp Release clasp connecting front case and rear case and then remove the front case. 6. Remove vertical louver Remove 10 clasps of vertical louver and rear case assy.
  • Page 44 Removal Procedure 7. Remove electric box assy Indoor Temp Sensor Unplug indoor temp sensor. Electric Box Cover Remove connection screws of electric box assy and rear case. Release clasps and remove connection screws of earthing wire and evaporator assy. Then remove electric Electric Box Assy box assy.
  • Page 45 Removal Procedure 9.Remove cross flow fan and motor Remove screws of step motor and then remove the motor. Step Motor Remove 4 connection screws of motor clamp and rear case. Then remove motor clamp. Motor Clamp Remove cross flow fan and motor. O-Gasket Sub-assy of Bearing Remove ring of bearing sub-assy.
  • Page 46 Removal Procedure Warning Be sure to wait for a minimum of 10 minutes after turning off all power supplies before disassembly. 18K Unit Steps Procedure 1. Before disassembly Before disassembly 2.Remove filter Open the front panel. Panel Push the filter upward and then pull it outward to remove it.
  • Page 47 Removal Procedure Steps Procedure 3.Remove guide louver Remove the axile bush on the guide louver. Axile Bush Remove the axile bush on the guide louver. Guide Louver 4.Remove panel Panel Along the groove fixing front panel, slide the rotor shaft outward to remove the front panel. Display Loosen the screws fixing the display.
  • Page 48 Removal Procedure Steps Procedure 5.Remove electric box cover Loosen the screw of the electric box cover. Screw Electric Box Cover Remove the electric box cover. 6.Remove front case Open the screw cap on the front case. Remove the screws fixing the front case. Screws Clasps Loosen the clasps of the front case.
  • Page 49 Removal Procedure Steps Procedure Remove the front case. Front Case 7. Remove vertical louver Loosen the 10 clasps connecting the verticallouver and bottom case subassembly. Clasps Remove the vertical louver. Vertical Louver 8. Remove electric box subassembly Temperature Sensor Disconnect the indoor tube temperaturesensor.
  • Page 50 Removal Procedure Steps Procedure Ground Wire Screw Remove the screws at the joint of the ground wire and evaporator. Loosen the clasp at the joint of the electric box cover and the electric box. Remove the electric box cover. Electric Box Wiring Terminal of Motor Disconnect the wiring terminal of the motor and step...
  • Page 51 Removal Procedure Steps Procedure 9. Remove connecting pipe clamp Auxiliary Piping Remove the screw of the connecting pipe clamp. Screw Clamp Remove the connecting pipe clamp. 10. Remove evaporator Remove the screws at the joint of the evaporator and bottom case. Screws...
  • Page 52 Removal Procedure Steps Procedure Auxiliary Piping Adjust the pipe slightly to separate the connecting pipe and the evaporator. Remove the evaporator. Evaporator 11. Remove motor and cross flow fan Step Motor Remove the screw of the step motor and remove the step motor.
  • Page 53 Removal Procedure Steps Procedure Remove the cross flow blade and motor. Remove the rubber cushion of the bearing. O-Gasket Sub-assy of Bearing Ring of Bearing Remove the screws at the joint of the cross flow Cross Flow Fan blade and the motor. Take down the motor. Fan Motor...
  • Page 54 GREE ELECTRIC APPLIANCES,INC.OF ZHUHAI...

This manual is also suitable for:

Gwh(09)ra-k3dna1a/iGwh(18)rc-k3dna1a/iGwh(12)rb-k3dna1a/i

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