Gree GWH09UB-K6DNA4A/I Service Manual
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Gree GWH09UB-K6DNA4A/I Service Manual

Gree GWH09UB-K6DNA4A/I Service Manual

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Service Manual
GREE ELECTRIC APPLIANCES, INC. OF ZHUHAI

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Summary of Contents for Gree GWH09UB-K6DNA4A/I

  • Page 1 Change for life Service Manual GREE ELECTRIC APPLIANCES, INC. OF ZHUHAI...

  • Page 2: Table Of Contents

    Service Manual Table of Contents Part : Technical Information ...............1 1. Summary ........................1 ......................2 ......................2 ..................6 ............7 .............8 ........................8 3. Outline Dimension Diagram ................9 3.1 Indoor Unit ........................9 ........................10 4. Refrigerant System Diagram ..............12 5. Electrical Part ......................13 5.1 Wiring Diagram .......................13 5.2 PCB Printed Diagram .....................16 6.
  • Page 3 Service Manual 9. Maintenance ......................46 9.1 Error Code List .......................46 ..................52 .................66 10. Exploded View and Parts List ..............68 10.1 Indoor Unit ........................68 .........................72 11. Removal Procedure ..................76 ................76 ................85 Appendix: ........................95 ............95 ..............95 ..................96 ............97 Table of Contents...

  • Page 4: Part : Technical Information

    Indoor Unit: GWH09UB-K6DNA4A/I GWH12UB-K6DNA4A/I GWH18UC-K6DNA4A/I Outdoor Unit: GWH09UB-K6DNA4A/O GWH18UC-K6DNA4A/O GWH12UB-K6DNA4A/O Remote Controller: Models List: Remote Model Indoor model code Controller GWH09UB-K6DNA4A CB264002100 GWH09UB-K6DNA4A/I CB264N02100 GWH09UB-K6DNA4A/O CB264W02100 GWH12UB-K6DNA4A CB264002200 GWH12UB-K6DNA4A/I CB264N02200 GWH12UB-K6DNA4A/O CB264W02200 GWH18UC-K6DNA4A CB264002000 GWH18UC-K6DNA4A/I CB264N02000 GWH18UC-K6DNA4A/O CB264W02000 Technical Information...
  • Page 5 2400 10.5 10.5 550/450/390/330/290/250/220/- 650/500/450/400/330/250/200/180 4.50 4.00 4.10 4.00 SEER 4.6/5.7/3.6 4.6/5.5/3.6 Application Area 12-18 16-24 Model GWH09UB-K6DNA4A/I GWH12UB-K6DNA4A/I CB264N02100 CB264N02200 r/min 1350/1127/1000/870/780/690/600/550 1400/1185/1053/920/829/741/650/550 r/min 1400/1151/1074/1000/930/842/750/- 1500/1185/1119/1053/958/842/750/- Pipe Diameter 2-1.5 2-1.5 Indoor Unit Swing Motor Model MP24HD/MP20AC MP24HD/MP20AC 1.5/1.5 1.5/1.5 3.15...
  • Page 6 Service Manual Model GWH09UB-K6DNA4A/O GWH12UB-K6DNA4A/O CB264W02100 CB264W02200 ZHUHAI LANDA COMPRESSOR ZHUHAI LANDA COMPRESSOR CO., LTD CO., LTD Compressor Model Compressor Oil Compressor Type Rotary Rotary L.R.A. Compressor RLA 1230 1230 HPC115/95U1/KSD115°C HPC115/95U1/KSD115°C Operation temp °C 16~30 16~30 °C -18~54 -18~54 °C -30~24 -30~24...
  • Page 7 Service Manual Parameter Unit Model GWH18UC-K6DNA4A CB264002000 Rated Voltage 220-240 Power Cooling Capacity 5300 Heating Capacity 5300 1450 1430 2500 10.6 850/750/650/600/500/400/340 3.66 3.70 SEER 4/5.1/3.1 Application Area 23-34 Model GWH18UC-K6DNA4A/I CB264N02000 r/min 1350/1150/1050/930/800/700650/600 r/min 1400/1200/1100/1000/900/800/750 0.44 Pipe Diameter 2-1.5 Indoor Unit Swing Motor Model MP24HV/MP24AQ...
  • Page 8 Service Manual Model GWH18UC-K6DNA4A/O CB264W02000 ZHUHAI LANDA COMPRESSOR CO., LTD Compressor Model Compressor Oil Compressor Type Rotary L.R.A. Compressor RLA 1230 HPC115/95orKSD115°C Operation temp °C 16~30 °C -18~54 °C -30~24 Pipe Diameter 2-1.4 3200 Climate Type Isolation 57/-/- 67/-/- 50.5 Refrigerant Connection Pipe...

  • Page 9: Operation Characteristic Curve

    Service Manual 2.2 Operation Characteristic Curve 09/12K Cooling Cooling Heating Heating Condition Condition Indoor:DB 20°C Indoor:DB 27°C WB19°C Indoor air flow:Turbo Indoor air flow: Turbo Pipe length:5m Pipe length:5m Voltage:230V Voltage:230V Compressor Speed(rps) Compressor Speed(rps) n i l Cooling Heating Cooling Heating Conditions...

  • Page 10: Capacity Variation Ratio According To Temperature

    Service Manual 2.3 Capacity Variation Ratio According to Temperature 09/12K Cooling Heating Cooling Heating Conditions Conditions Indoor:DB20°C Indoor:DB27°C/WB19°C Indoor air flow:Super High Indoor air flow:Super High Pipe length: 5m Pipe length: 5m 48 50 52 32 34 36 38 40 42 44 46 Outdoor temp.(°C) Outdoor temp.(°C) Cooling...

  • Page 11: Cooling And Heating Data Sheet In Rated Frequency

    Service Manual 2.4 Cooling and Heating Data Sheet in Rated Frequency Cooling: Rated cooling Compressor connecting indoor Model Indoor 27/19 35/24 09/12K 0.9 to 1.1 12 to 14 75 to 37 in:8~11 in:75~83 27/19 35/24 0.9 to 1.0 Heating: Compressor connecting indoor Model Indoor...

  • Page 12: Outline Dimension Diagram

    Service Manual 3. Outline Dimension Diagram 3.1 Indoor Unit 09/12K Φ55 Φ55 Φ55 Φ55 Unit:mm 49.5 Model 09/12K Technical Information...

  • Page 13: Outdoor Unit

    Service Manual 3.2 Outdoor Unit GWH09UB-K6DNA4A/O Unit:mm GWH18UC-K6DNA4A/O Unit:mm Technical Information...
  • Page 14 Service Manual GWH12UB-K6DNA4A/O Unit:mm Technical Information...

  • Page 15: Refrigerant System Diagram

    Service Manual 4. Refrigerant System Diagram 09/12K INDOOR UNIT OUTDOOR UNIT GAS SIDE 3-WAY VALVE 4-Way valve Discharge HEAT EXCHANGE (EVAPORATOR) Accumlator Suction COMPRESSOR HEAT EXCHANGE (CONDENSER) Intercooler LIQUID SIDE Electron Electron Strainer Strainer Strainer Strainer 2-WAY VALVE expansion expansion valve valve COOLING...

  • Page 16: Electrical Part

    Service Manual 5. Electrical Part 5.1 Wiring Diagram Symbol Symbol Color Symbol Symbol Color Symbol Name Green Yellow Brown COMP Compressor YEGN Yellow/Green Violet Orange 63610000224 Technical Information...
  • Page 17 Service Manual 600007063097 63610000222 Technical Information...
  • Page 18 Service Manual GWH09UB-K6DNA4A/O GWH12UB-K6DNA4A/O 60000706165401 GWH18UC-K6DNA4A/O 600007062352 Technical Information...

  • Page 19: Pcb Printed Diagram

    Service Manual 5.2 PCB Printed Diagram Indoor Unit 09/12K Top view Up&down swing 2 Up&down swing 1 Indoor fan motor Display interface Up&down swing 3 Bottom view Technical Information...
  • Page 20 Service Manual Top view 10 11 Up&down swing 3 swing Up&down swing 2 wire Up&down swing 1 sensor Interface of DC motor Display interface Bottom view Technical Information...
  • Page 21 Service Manual Outdoor Unit 09/12K Top view 4 5 6 8 9 10 Name Terminal of compressor compressor sensor Terminal of electronic Terminal of electronic sensor Bottom view Technical Information...
  • Page 22 Service Manual Top view 5 13 Name Interface of compressor wire Bottom view Technical Information...

  • Page 23: Function And Control

    Service Manual 6. Function and Control 6.1 Remote Controller Introduction Specialties note Matching instructions Note: Matching of remote controlle Buttons on Remote Controller ON/OFF button +/- button Cool button Heat button Fan button I Feel button Up down swing button Mode button Left right swing button T-ON/T-OFF button...
  • Page 24 Service Manual Introduction for Icons on Display Screen Set fan speed Send signal Operation mode battery power Auto mode humidity functions WIFI Cool mode INTELLIGENT Temp.display type Healthy mode Dry mode Set temperature Fan mode Heat mode Up & down swing Set time Left &...
  • Page 25 Service Manual button no display (stops at current position) 8. MODE button AUTO COOL HEAT Note: button no display (horizontal louvers stops at current position) 10. T-ON/T-OFF button T-ON button T-OFF button cancel it. Technical Information...
  • Page 26 Service Manual Note: 11. CLOCK button Note: button cancel cancel cancel cancel cancel cancel Note: cancel 13 TEMP button no display no display no display no display no display Note: 14. X-FAN button Technical Information...
  • Page 27 Service Manual 15. LIGHT button 16. SLEEP button cancel misoperation. Note: About X-FAN function About AUTO RUN Technical Information...
  • Page 28 Service Manual About lock About switch between Fahrenheit and Centigrade Energy-saving function Note: heating function Note: Operation guide Replacement of batteries in remote controller signal sender battery reinstall remove Cover of battery box Note: battery level Technical Information...
  • Page 29 Service Manual 6.2 GREE+ App Operation Manual Control Flow Chart Internet Gree Cloud Gree Cellular/ Home Wi-Fi intelligent home Other Wi-FI appliances Home wireless router Home Wi-Fi GREE+ APP Operating Systems iOS system Android system Support iOS7.0 and Support Android 4.4 and...
  • Page 30 Service Manual 6.3 Ewpe Smart App Operation Manual Control Flow Chart Internet Cloud intelligent Cellular/ Home Wi-Fi home Other Wi-FI appliances Home wireless router Home Wi-Fi Operating Systems iOS system Android system Support iOS7.0 and Support Android 4.4 and above version above version Download and installation App Download Linkage...

  • Page 31: Brief Description Of Modes And Functions

    Service Manual 6.4 Brief Description of Modes and Functions Conversion formula for Fahrenheit degree and Celsius degree: Tf=Tcx1.8+32 Indoor unit 1.This controller includes functions as below 2.Control object of controller 3.Basic functions of system (1)Cooling mode (2)Dry mode Operation condition and process for dry mode. (3)Heating mode (not for cooling only unit) (4)Fan mode (5)Auto mode...
  • Page 32 Service Manual Error name Demagnetizing protection of compressor Technical Information...
  • Page 33 Service Manual 5.Other control (1)Timer function (2)Auto button (3)Buzzer (4)Sleep function (5)Turbo Function (6)X-fan function (7)Compulsory defrosting function °C (8)Refrigerant recovery function (applicable for movement or maintenance) °C (9)Auto fan speed control sensor. (10)Left&right swing control ① ⑤ (11)Up&down swing control ②...
  • Page 34 Service Manual Horizontal louver postion diagrammatic sketch Initial stauts after reset is finished Lower swing Upper swing (12)Display Display of operation icon and mode icon °C (13)Locked protection to motor 6.Special Functions (1)Rf control function remote controller. (2)I Feel function (3)Malfunction detecting of temperature sensor (4)Low power consumption standby function 7.Error Analysis...
  • Page 35 Service Manual (5)Error 5: Dual-8 nixie tube of display board displays “H6”. (6)Error 6: Dul-8 nixie tube of display board displays “FC”. (7)Error 7: Dul-8 nixie tube of display board displays “JF” or “rF”. or controller. 8.Blockage protection to Motor 9.Communication malfunction 10.Auto inspection function Technical Information...
  • Page 36 Service Manual Outdoor unit 1. System function 1.1 Cooling mode 1.2 Drying mode °C. 1.3 Heating mode stop operation. °C. 2. Protection function operates at set fan speed. Technical Information...
  • Page 37 Service Manual 2.2 Delay protection of compressor °C °C °C °C, protection is released. operation. closed. 2.8 Power protection of compressor be cleared. Technical Information...

  • Page 38: Part : Installation And Maintenance

    Service Manual Part : 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 39: Safety Precautions For Installing And Relocating The Unit

    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 2.When installing or moving this unit, do not charge the refrigerant which is not comply with that on the nameplate or 3.When refrigerant needs to be recovered during relocating or repairing the unit, be sure that the unit is running in cooling mode.Then, fully close the valve at high pressure side (liquid valve).About 30-40 seconds later, fully close the valve at low...

  • Page 40: Safety Operation Of Flammable Refrigerant

    Service Manual Safety Operation of Flammable Refrigerant Installation notes operating heater). The minimum room area is shown on the nameplate or following table a. table a - Minimum room area(m Charge amount (kg) ≤1.2 1.3 1.4 1.5 1.6 1.7 1.8 1.9 2.1 2.2 2.3 2.4 2.5 floor location 4 14.5 16.8 19.3 22 24.8 27.8 31 34.3 37.8 41.5 45.4 49.4 53.6...

  • Page 41: 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 42: 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 Drainage pipe Installation and Maintenance...
  • Page 43 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 wall-mounting Install the support of outdoor unit frame, drill wall holes (select it according to the actual situation) Connect pipes of indoor Fix outdoor unit...

  • Page 44: Selection Of Installation Location

    Service Manual 8.4 Requirements for electric connection 8.2 Installation Parts-checking 1. Safety Precaution Name Name Wrapping tape Connection pipe Drainage pipe conditioner. frame Connecting remote controller Wall pipe Note: 8.3 Selection of Installation Location 1. Basic Requirement: 2. Grounding Requirement: 2.
  • Page 45 Service Manual Left Right Cut off the hole 5. Connect the Pipe of Indoor Unit 3. Install Wall-mounting Frame Open-end wrench Union nut Pipe Pipe joint Union nut Pipe Torque wrench Wall Wall Level meter Mark in the middle of it Indoor pipe Space Space...
  • Page 46 Service Manual 7. Connect Wire of Indoor Unit 8. Bind up Pipe Screw Pane Wiring cover Indoor and outdoor power cord Indoor unit pipe Cable-cross Liquid hole pipe Band Drain hose Power connection wire Drain hose Connection pipe Band Indoor power cord Note: 09/12K: N(1)

  • Page 47: Installation Of Outdoor Unit

    Service Manual 8.6 Installation of Outdoor Unit 1. Fix the Support of Outdoor Unit(Select it according to the actual installation situation) 15~20 expansion screws. 30~40 Note: 45~55 60~65 70~75 5. Connect Outdoor Electric Wire 09/12K: N(1) Handle yellow- screws are needed. green brown blue...

  • Page 48: Check After Installation And Test Operation

    Service Manual 8.8 Check after Installation and Test Operation 1. Check after Installation installation. The drain hose can't be fluctuant emit noise. The water outlet can't be placed The drain hose in water can't be fluctuant The water outlet can't be fluctuant water dripping.

  • Page 49: Maintenance

    Service Manual 9. Maintenance 9.1 Error Code List Display Method of Indoor Unit Indicator Display (during Malfunction blinking, ON 0.5s and OFF Dual-8 A/C status Possible Causes Name 0.5s) Code Display Operation Cool Heating Indicator Indicator Indicator During cooling and drying Possible reasons: High operation, except indoor...
  • Page 50 Service Manual Display Method of Indoor Unit Indicator Display (during Malfunction blinking, ON 0.5s and OFF Dual-8 A/C status Possible Causes Name 0.5s) Code Display Operation Cool Heating Indicator Indicator Indicator When the outdoor unit receive signal of Gathering refrigerant Gathering ,the system will be forced to Nominal cooling mode...
  • Page 51 Service Manual Display Method of Indoor Unit Indicator Display (during Malfunction blinking, ON 0.5s and OFF Dual-8 A/C status Possible Causes Name 0.5s) Code Display Operation Cool Heating Indicator Indicator Indicator Decrease Overload or temperature is too All loads operate normally, frequency high;...
  • Page 52 Service Manual Display Method of Indoor Unit Indicator Display (during Malfunction blinking, ON 0.5s and OFF Dual-8 A/C status Possible Causes Name 0.5s) Code Display Operation Cool Heating Indicator Indicator Indicator Compressor intermediate Showing during middle cooling or frequence in middle heating test test state During cooling and drying...
  • Page 53 Service Manual Display Method of Indoor Unit Indicator Display (during Malfunction blinking, ON 0.5s and OFF Dual-8 A/C status Possible Causes Name 0.5s) Code Display Operation Cool Heating Indicator Indicator Indicator During cooling and drying operation, compressor will stop Refer to the malfunction analysis System is while indoor fan will operate;...
  • Page 54 Service Manual Display Method of Indoor Unit Indicator Display (during Malfunction blinking, ON 0.5s and OFF Dual-8 A/C status Possible Causes Name 0.5s) Code Display Operation Cool Heating Indicator Indicator Indicator Malfunction of During cooling and drying phase current operation, compressor will stop detection while indoor fan will operate;...

  • Page 55: Procedure Of Troubleshooting

    Service Manual 9.2 Procedure of Troubleshooting 1. Malfunction of Temperature Sensor F1, F2 Main detection points: Start eliminated eliminated eliminated Installation and Maintenance...
  • Page 56 Service Manual 2. Malfunction of Blocked Protection of IDU Fan Motor H6 Main detection points: Start Turn the fan blades by hand under power-off condition Adjust the motor and blade Whether the fan blades assembly so that rotor can run can run smoothly? smoothly.
  • Page 57 Service Manual 3. Malfunction of Protection of Jumper Cap C5 Main detection points: Start eliminated eliminated eliminated Installation and Maintenance...
  • Page 58 Service Manual 4. Malfunction of Overcurrent Protection E5 Main detection points: Start eliminated eliminated eliminated speed is too low or fan doesnt rotate eliminated model eliminated eliminated eliminated Installation and Maintenance...
  • Page 59 Service Manual 5. Communication Malfunction E6 Start Cut off power supply. Check if connection line of IDU and ODU and the wire inside electric box are correctly connected. Connect the line Correct connection? according to Malfunction eliminated? wiring diagram. Main board matches Match correctly with display board? Main board of Malfunction eliminated?
  • Page 60 Service Manual 6. Malfunction of Zero-crossing Inspection Circuit Malfunction of the IDU Fan Motor U8 Main detection points: Start U8 is still displayed Installation and Maintenance...
  • Page 61 Service Manual 7. Malfunction of detecting plate(WIFI) JF 5. Malfunction of detecting plate(WIFI) JF 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 62 Service Manual Outdoor Unit 1. Capacity charging malfunction (outdoor unit malfunction) (AP1 below means control board of outdoor unit) Main detection points: Turn on the unit and wait 1 minute Use AC voltmeter to measure the voltage on the two ends of electrolytic capacitor Malfunction of Replace outdoor...
  • Page 63 Service Manual 2. 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 64 Service Manual 3. High temperature and overload protection (E8)(AP1 below means control board of outdoor unit) Main detection points: E8 is displayed Normal protection, please If the outdoor Unit restarts use it after improving the ambient temperature is higher normally outdoor ambient temperature than 53℃? Improve the radiating environment...
  • Page 65 Service Manual 4. Start-up failure (LC) (AP1 below means control board of outdoor unit) Main detection points: Turn on the unit The stop time is not sufficient and If the stop time of compressor the high and low pressure of system is more than 3min? is not balanced , please start the unit after 3min...
  • Page 66 Service Manual 5. Overload and high discharge temperature malfunction Main detection points: Installation and Maintenance...
  • Page 67 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 68 Service Manual 6. Communication malfunction (E6) Main detection points: If the unit operates normally before malfunction Check the connection wire according to the wiring diagram. Check built-in wiring If the connection wire of indoor and outdoor is connected well? unit Reconnect the wire or Replace the If the wiring is...

  • Page 69: Troubleshooting For Normal Malfunction

    Service Manual 9.3 Troubleshooting for Normal Malfunction 1. Air Conditioner Cant be Started Up connected well. Wrong wire connection between or poor connection for wiring terminals reliably correctly once improper Replace batteries for remote controller Repair or replace remote controller 2.
  • Page 70 Service Manual 4. ODU Fan Motor Cant Operate Connect wires according to wiring diagram to Wrong wire connection, or poor connection diagram damaged fan capacitor. is bad and ODU compressor generates a lot of 5. Compressor Cant Operate Connect wires according to wiring diagram to Wrong wire connection, or poor connection diagram...

  • Page 71: Exploded View And Parts List

    Service Manual 10. Exploded View and Parts List 10.1 Indoor Unit GWH09UB-K6DNA4A/I GWH12UB-K6DNA4A/I Installation and Maintenance...
  • Page 72 Service Manual Part Code Description GWH09UB-K6DNA4A/I GWH12UB-K6DNA4A/I CB264N02100 CB264N02200 2002264105 2002264105 Stand Bar 10582150P 10582150P 24252028P 24252028P 20122190P 20122190P 20192574D03 20192574D03 Left Side Plate 20052027P 20052027P 2011218903 2011218903 20022470 20022470 20192572D03 20192572D03 1058213403 1058213403 1051230903 1051230903 11122145 11122145 Ring of Bearing...
  • Page 73 Service Manual GWH18UC-K6DNA4A/I Installation and Maintenance...
  • Page 74 Service Manual Part Code Description GWH18UC-K6DNA4A/I CB264N02000 10512916 2002240902 Stand Bar 10582150P Left Side Plate 26112361P 20192600D 2011220101 20192602D 20122193P 11122155 10352054 Ring of Bearing 26152022 76512051 Rear Case 2220229606 24212170 01100100177 Cold Plasma Generator 1114001602 26112359 01252040 15012466 Connecting pipe clamp 2611216401 Drainage Hose 05230014...
  • Page 75 Service Manual 10.2 Outdoor Unit GWH09UB-K6DNA4A/O GWH12UB-K6DNA4A/O Installation and Maintenance...
  • Page 76 Service Manual Part Code Description GWH09UB-K6DNA4A/O GWH12UB-K6DNA4A/O CB264W02100 CB264W02200 22413050 22413046 Cabinet 01433034 01433034 1501308519 1501308519 01235094 01235094 017000060317P 017000060383P 00900100022901 00900100022901 01710400005P 01710400005P 07130239 07130239 071302391 071302391 2623343106 22243005 Left Side Plate 0130510001P 01303169P 030152060290 030152060290 030184000056 030184000044 Condenser Assy 011002060644 011002000613 01207800008...
  • Page 77 Service Manual GWH18UC-K6DNA4A/O Installation and Maintenance...
  • Page 78 Service Manual Part Code Description GWH18UC-K6DNA4A/O CB264W02000 22413045 01535013P Radiator 4901521502 017000060480P 7651000411 00900100022901 030152060408 00900100022901 0130509402P 01705066 22245002 Main Board 300027061010 20125002 Big Handle 2623525404 01713120A 3900030901 Condenser Assy 011002060969 01705036 000051060056 01795010 01705036 Left Side Plate 01305093P Left Handle 26233053 1501506402 01235088...

  • Page 79: Removal Procedure

    Service Manual 11. Removal Procedure Caution: discharge the refrigerant completely before removal. 11.1 Removal Procedure of Indoor Unit Procedure Steps panel clasp screw screw screw Installation and Maintenance...
  • Page 80 Service Manual Steps Procedure display panel front case Installation and Maintenance...
  • Page 81 Service Manual Procedure Steps axile center direction. screws Installation and Maintenance...
  • Page 82 Service Manual Steps Procedure screw terminal, connection wire of inspection clasps Installation and Maintenance...
  • Page 83 Service Manual Steps Procedure scissors. assy. stepping motor. Installation and Maintenance...
  • Page 84 Service Manual screw screw case. press plate of connection pipe screws Installation and Maintenance...
  • Page 85 Service Manual Steps Procedure connection pipe screws Installation and Maintenance...
  • Page 86 Service Manual Steps Procedure swing connection rod screws motor press plate motor Installation and Maintenance...
  • Page 87 Service Manual Steps Procedure screws screws Installation and Maintenance...

  • Page 88: 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. GWH09UB-K6DNA4A/O GWH12UB-K6DNA4A/O Steps Procedure 1. Remove top cover Remove the screws connecting top cover, left and right side plate, as well as panel, to remove the top top cover...
  • Page 89 Service Manual Steps Procedure 4. Remove left side plate Remove the screws fixing left side plate and condenser support boa rd, to remove the left side plate. left side plate 5. Remove cross fan blade Remove the screw nut fixing cross fan blade, remove the gasket and spring cushion, to remove the cross fan blade.
  • Page 90 Service Manual Steps Procedure 7. Remove electric box assy electric box cove r Remove screws fixing electric box assy and mid-isolation board, loosen the bonding tie, pull off the wiring terminal, lift to remove the electric box assy. electric box assy 8.
  • Page 91 Service Manual Steps Procedure flash vaporizer assy 10. Remove flash vaporizer assy Remove the screws connecting mid-isolation board, lift to remove the flash vaporizer assy. 11. Remove four-way valve assy four-way valve assy Welding cut the spot weld of four-way valve assy, compressor air suction/discharging valve and condenser pipe outlet, lift to remove the four-way valve assy.
  • Page 92 Service Manual Steps Procedure 13. Remove compressor compressor Remove the three feet screwnuts fixing compressor, to remove the compressor. 14. Remove big and small valve assy Remove screws connecting condenser assy and chassis, to remove the condenser assy. Remove the screws fixing big and small valve, to small valve remove the valves.
  • Page 93 Service Manual GWH18UC-K6DNA4A/O Steps Procedure 1. Remove top panel Twist off the screws used for fixing the handle and v alve cover , pull the handle and v alve cover up ward to remove it. handle valve top panel Remove the 3 screws connecting the top panel with the front panel and the right side plate, and then remove the top panel.
  • Page 94 Service Manual Steps Procedure Remove the 5 screws connecting the panel with the chassis and the motor support, and then remove the panel. Remove the 6 screws connecing the left side plate and right side plate and then remove rear grill rear grill panel 3.
  • Page 95 Service Manual Steps Procedure 4. Remove fan motor axial flow blade Remove the nuts fixing the blade and then remove the axial flow blade. motor support Remove the 4 tappin g screw s fixing the motor; disconnect the leading wire insert of the motor and then remove the moto r.
  • Page 96 Service Manual Steps Procedure 6.Remove soundproof sponge Since the piping ports on the soundproof sponge are torn easily, remove the soundproof sponge carefully soundproof sponge 7. Remove Isolation sheet Remove the 3 screws fixing the isolation sheet and then remove the Isolation sheet. Isolation sheet 8.
  • Page 97 Service Manual Steps Procedure flash vaporizer assy 9. Remove flash vaporizer assy Remove the screws connecting mid-isolation board, lift to remove the flash vaporizer assy 10. Remove compressor Remove the 3 foot nuts fixing the compressor compressor and then remove the compressor. 11.Remove condenser sub-assy condenser sub-assy Remove the chassis sub-assy and condenser...

  • Page 98: 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 display display display 60.8 69/70 69.8 78/79 78.8 62/63 62.6 71/72 71.6 80/81 80.6 64/65 64.4 73/74 73.4 82/83 82.4 66/67...

  • Page 99: 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 Pipe Shaper Downwards Union pipe Pipe Hard mold Note: Expander Pipe...

  • Page 100: 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) 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 101 Service Manual Resistance Table of Tube Temperature Sensors for Indoor and Outdoor (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...
  • Page 102 Service Manual Resistance Table of Discharge Temperature Sensor for Outdoor (50K) 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 4.08 580.6 73.83 14.62 3.96 548.9 70.5 14.09 3.84 516.6 67.34...
  • Page 103 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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