Gree GFH(09)CA-K6DNA1B/I Service Manual
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Gree GFH(09)CA-K6DNA1B/I Service Manual

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Service Manual
GREE ELECTRIC APPLIANCES, INC. OF ZHUHAI

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Summary of Contents for Gree GFH(09)CA-K6DNA1B/I

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

  • Page 2: Table Of Contents

    Table of Contents Service Manual Part Ⅰ : Technical Information ........2 1. Summary ................. 2 2. Specifications ............... 3 2.1 Specification Sheet ....................3 3. Outline Dimension Diagram ........8 4. Refrigerant System Diagram ......... 9 5. Electrical Part ............. 10 5.1 Wiring Diagram .......................10 5.2 PCB Printed Diagram...
  • Page 3 Service Manual 8.11 Precautions for the Lift Pipe ................24 8.12 Test for the Drainage System ................25 8.13 Piping ........................25 8.14 Insulation for the refrigerant pipe ..............26 8.15 Wiring between the Wire and the Wiring Terminal ........26 8.16 Wiring of the Power Cord (single-phase) ............27 9.

  • Page 4: Part Ⅰ : Technical Information

    1. Summary Service Manual Indoor Unit: GFH(09)CA-K6DNA1B/I GFH(09)CA-K6DNA1C/I GFH(12)CA-K6DNA1B/I GFH(12)CA-K6DNA1C/I GFH(18)CB-K6DNA1B/I GFH(18)CB-K6DNA1C/I GFH(24)CC-K6DNA1B/I GFH(24)CC-K6DNA1C/I Model list: Model Product code GFH(09)CA-K6DNA1B/I CF022N3610 GFH(09)CA-K6DNA1C/I CF022N3660 GFH(12)CA-K6DNA1B/I CF022N3620 GFH(12)CA-K6DNA1C/I CF022N3680 GFH(18)CB-K6DNA1B/I CF022N3630 GFH(18)CB-K6DNA1C/I CF022N3650 GFH(24)CC-K6DNA1B/I CF022N3640 GFH(24)CC-K6DNA1C/I CF022N3670 Technical Information...

  • Page 5: Specifications

    2. Specifications Service Manual 2.1 Specification Sheet Parameter Unit Value Model GFH(09)CA-K6DNA1B/I GFH(09)CA-K6DNA1C/I Product Code CF022N3610 CF022N3660 Rated Voltage 220-240 220-240 Power Rated Frequency Supply Phases Cooling Capacity 2650 2650 Heating Capacity 2800 2800 Air flow volume 700/670/640/610/580/550/520 560/450/340/220 Dehumidifying Volume...
  • Page 6 Service Manual Parameter Unit Value Model GFH(12)CA-K6DNA1B/I GFH(12)CA-K6DNA1C/I Product Code CF022N3620 CF022N3680 Rated Voltage 220-240 220-240 Power Rated Frequency Supply Phases Cooling Capacity 3500 3500 Heating Capacity 4000 4000 Air flow volume 650/560/520/480/450/410/380 600/540/420/300 Dehumidifying Volume Fan Type Centrifugal Centrifugal Fan Diameter-height Φ138.6-143 Φ138.6-143...
  • Page 7 Service Manual Parameter Unit Value Model GFH(18)CB-K6DNA1B/I GFH(18)CB-K6DNA1C/I Product Code CF022N3630 CF022N3650 Rated Voltage 220-240 220-240 Power Rated Frequency Supply Phases Cooling Capacity 5000 5000 Heating Capacity 5500 5500 Air flow volume 880/840/810/790/770/750/730 800/720/610/420 Dehumidifying Volume Fan Type Centrifugal Centrifugal Fan Diameter-height Φ138.6-143 Φ138.6-143...
  • Page 8 Service Manual Parameter Unit Value Model GFH(24)CC-K6DNA1B/I GFH(24)CC-K6DNA1C/I Product Code CF022N3640 CF022N3670 Rated Voltage 220-240 220-240 Power Rated Frequency Supply Phases Cooling Capacity 7000 7000 Heating Capacity 8000 8000 Air flow volume 1500/1200/1200/1000/1000/900/900 1300/1200/1000/900 Dehumidifying Volume Fan Type Centrifugal Centrifugal Fan Diameter-height Φ145-143 Φ145-143...
  • Page 9 Service Manual Notes: a. The rated cooling capacity data is measured under the following work condition: Indoor Temperature is 27ºCDB, 19ºCWB. Outdoor Temperature is 35ºCDB. The rated heating capacity data is measured under the following work condition: Indoor Temperature is 20ºCDB. Outdoor Temperature is 7ºCDB, 6ºCWB.

  • Page 10: Outline Dimension Diagram

    3. Outline Dimension Diagram Service Manual Unit: mm Model 09K/12K 1060 1010 Technical Information...

  • Page 11: Refrigerant System Diagram

    4. Refrigerant System Diagram Service Manual outdoor indoor filter A heat exchanger filter outdoor heat exchanger B heat exchanger filter high pressure switch discharge silencer C heat exchanger discharge temperature sensor filter D heat exchanger gas -liquid separator filter A1:A unit electronic expansion valve B1:B-unit electronic expansion valve C1:C-unit electronic expansion valve D1:D-unit electronic expansion valve A2:A-unit gas pipe temperature sensor B2:B-unit gas pipe temperature sensor C2:C-unit gas pipe temperature sensor D2:D-unit gas pipe temperature sensor...

  • Page 12: Electrical Part

    Green Jumper cap Yellow Brown COMP Compressor Blue Grounding wire YEGN Yellow/Green Black Violet Orange Note: Jumper cap is used to determine fan speed and the swing angle of horizontal lover for this model. GFH(09)CA-K6DNA1B/I GFH(12)CA-K6DNA1B/I GFH(18)CB-K6DNA1B/I 600007064523 Technical Information...
  • Page 13 Service Manual GFH(09)CA-K6DNA1C/I GFH(12)CA-K6DNA1C/I GFH(18)CB-K6DNA1C/I GFH(24)CC-K6DNA1C/I 600007064517 GFH(24)CC-K6DNA1B/I 600007064524 These wiring diagrams are subject to change without notice; please refer to the one supplied with the unit. Technical Information...

  • Page 14: Pcb Printed Diagram

    Service Manual 5.2 PCB Printed Diagram GFH(09)CA-K6DNA1B/I GFH(12)CA-K6DNA1B/I GFH(18)CB-K6DNA1B/I GFH(24)CC-K6DNA1B/I Name Name Interface of fan Water full detection terminal Interface of live wire 10 Up&down swing terminal Fuse Jumper cap terminal Interface of netural wire 12 Display interface Terminal with outdoor unit...
  • Page 15 Service Manual GFH(09)CA-K6DNA1C/I GFH(12)CA-K6DNA1C/I GFH(18)CB-K6DNA1C/I GFH(24)CC-K6DNA1C/I Name Name Fan terminal Tube temperature detection terminal Terminal of health function live wire 10 Water full detection terminal Water pump terminal Wired controller terminal Jumper cap 12 Gate-control terminal Left&right swing terminal 13 Grounding wire terminal Up&down swing terminal 14 Communication wire terminal Interface of display board...

  • Page 16: Function And Control

    6. Function and Control Service Manual 6.1 Brief Description of Models and Functions 1.Basic function of system After setting sleep function for a period of time, system will adjust set temperature automatically. (1)Cooling mode (4) Timer function: (1) Under this mode, fan and swing operates at setting status. General timer and clock timer functions are compatible by Temperature setting range is 16~30ºC.

  • Page 17: Notes For Installation And Maintenance

    7. Notes for Installation and Maintenance Service Manual Safety Precautions: Important! 11. For the air conditioner without plug, an air switch must be installed in the circuit. The air switch should be all-pole parting and the contact parting distance should be more than Please read the safety precautions carefully before 3mm.
  • Page 18 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 5.When installing the unit, make sure that connection keep the refrigerant circuit free from air or substances pipe is securely connected before the compressor other than the specified refrigerant.
  • Page 19 Service Manual Installation notes Safety Precautions for Refrigerant ●To realize the function of the air conditioner unit, a special ●The air conditioner is not allowed to use in a room that has running fire (such as fire source,working coal gas ware, refrigerant circulates in the system.
  • Page 20 Service Manual f. Carry back to the service spot for welding ●Make sure that there isnt any naked flame near the outlet of the vacuum pump and its well-ventilated. ●The refrigerant should be recycled into the specialized storage tank. Filling the refrigerant ●Use the refrigerant filling appliances specialized for R32.

  • Page 21: Installation

    8. Installation Service Manual 8.1 Outline Dimension Drawings of the Indoor Unit Note: the unit in the followings figures is mm, unless otherwise specified. Fig.1 is applicable to Fig.1 Unit: mm Model 09K/12K 1060 1010 8.2 Dimension Requirements on the Installation Space of the Indoor Unit Fig.

  • Page 22: Installation Of The Indoor Unit

    Service Manual 8.3 Installation of the Indoor Unit a. Requirements on the Installation Location 1) Ensure the hanger is strong enough to withstand the weight of the unit. 2) The drainage of the drain pipe is easy. 3) No obstacle is in the inlet/outlet and the air circulation is in good condition. 4) Ensure the installation space shown in Fig.2 is left for the access to maintenance.

  • Page 23: Horizontality Check Of The Indoor Unit

    Service Manual 8.4 Horizontality Check of the Indoor Unit After the installation of the indoor unit, its horizontality must be checked to make sure the unit keep horizontal fore and aft and keep an inclination of 5° toward the drain pipe right and left, as shown in Fig.6. Fig.

  • Page 24: Drawings Of The Air Supply Outlet And Return Air Inlet

    Service Manual c.Installation Steps of the Round Air Supply Duct 1) Preinstall the outlet of the round duct on the transition duct and then fix it by the self-tapping screw. 2) Place the transition duct to the air outlet of the unit and fix it with rivet. 3) Connect the outlet to the duct and then tighten them with tape.

  • Page 25: Installation Of The Condensate Pipe

    Service Manual 8.8 Installation of the Condensate Pipe a. The condensate pipe should keep a inclination angle of 5~10°, which can facilitate the drainage of the condensate water. And the joints of the condensate pipe should be insulated by the insulation material to prevent condensing(see Fig.13). b.

  • Page 26: Precautions For The Lift Pipe

    Service Manual e. Insert the drain hose into the drain hole and tighten it with clamps. f. Wrap the clamps with large amount of sponge for thermal insulation. g. The drain hose inside the room also should be insulated. 8.11 Precautions for the Lift Pipe The installation height of the lift pipe should be less than 850mm.

  • Page 27: Test For The Drainage System

    Service Manual 8.12 Test for the Drainage System a. After the electric installation, please take a test for the drainage system. b. During the test, check if the water flow goes through the pipe correctly and observe carefully the joint to see if it leaks or not. If this unit is installed in the newly built house, it is suggested to take this test prior to the ceiling decoration.

  • Page 28: Insulation For The Refrigerant Pipe

    Service Manual 8.14 Insulation for the refrigerant pipe a. The refrigerant pipe should be insulated by the insulating material and plastic tape in order to prevent condensing and leaking. b. The joints of the indoor unit should be wrapped with the insulating material and no gas is allowed on the joint of the indoor unit, as shown in Fig.19.

  • Page 29: Wiring Of The Power Cord (Single-Phase)

    Service Manual WARNING! 1. If the power cord is damaged, they must be replaced with the dedicated one. 2. Prior to the wiring, please check the voltage marked on the nameplate and then carries out the wiring following the wiring diagram. 3.

  • Page 30: Maintenance

    9. Maintenance Service Manual 9.1 Error Code List Double Name of 8 code AC status Malfunctions malfunction display Cooling dehumidifying; indoor fan motor is running, Indoor ambient 1. Room temp.sensor is not connected with sensor open other overloads will stop; Heating whole unit will the control panel AP1 circult, short circult 2.
  • Page 31 Service Manual Double Name of 8 code AC status Malfunctions malfunction display Outdoor ambient Outdoorroom temp.sensor hasn’t connected Cooling,dehumidifying;compressor will sensor circuit well,or damaged,please refer to the sensor stop,indoor fan motor will work.Heat:all will stop open,circuit short resistance value for checking. Outdoor Outdoorroom temp.sensor hasn’t connected condemsor sensor...

  • Page 32: Procedure Of Troubleshooting

    Service Manual 9.2 Procedure of Troubleshooting 1. Malfunction of Temperature Sensor F1, F2 Main detection points: ● Is the wiring terminal between the temperature sensor and the controller loosened or poorly contacted? ● Is there short circuit due to trip-over of the parts? ●...
  • Page 33 Service Manual 2. 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 34 Service Manual 3. Full Water Protection E9 Installation and Maintenance...
  • Page 35 Service Manual 4. Malfunction of Insufficient fluorine protection F0 Troubleshooting for F0 malfunction Heat exchangers are Clean the heat exchangers and remove Malfunction is too dirty or the air inlet/outlet eliminated. blockage of air inlet/outlet. is blocked. Compressor doesn't work Malfunction is Make compressor run normally.
  • Page 36 Service Manual 5. Malfunction of Blocked Protection of IDU Fan Motor H6 Main detection points: ● SmoothlyIs the control terminal of PG motor connected tightly? ● SmoothlyIs the feedback interface of PG motor connected tightly? ● The fan motor cant operate? ●...
  • Page 37 Service Manual 6. Malfunction of Protection of Jumper Cap C5 Main detection points: ● Is there jumper cap on the mainboard? ● Is the jumper cap inserted correctly and tightly? ● The jumper is broken? ● The motor is broken? ●...
  • Page 38 Service Manual 7. Malfunction of Zero-crossing Inspection Circuit Malfunction of the IDU Fan Motor U8 Main detection points: ● Instant energization afte de-energization while the capacitordischarges slowly? ● The zero-cross detectioncircuit of the mainboard is defined abnormal? Malfunction diagnosis process: Start Turn power off for 1minute,the turn...
  • Page 39 Service Manual Outdoot Unit 1. Malfunction of Temperature Sensor (F3/F4/F5) Main check point: Whether the temperature sensor is damaged? Whether the terminal of temperature sensor is loose or not connected? Whether the main board is damaged? Malfunction diagnosis process: Start the troubleshooting for temperature sensor Check the connection between temperature sensor and wiring...
  • Page 40 Service Manual 2. Malfunction of Overload Protection of Compressor (H3) and Discharge High-temperature Protection of Compressor (E4) Main check point: Whether the electronic expansion valve is connected well and whether its damaged? Whether the refrigerant is leaking? Whether the overload protector is damaged? Start Malfunction diagnosis process: Whether the overload protector is...
  • Page 41 Service Manual 3. Malfunction of Overload Protection (E8) Main check point: Whether the tube temperature sensor is normal? Whether the outdoor ambient temperature is within the normal range? Whether indoor fan and outdoor fan can operate normally? Whether radiation environment inside or outside the unit is good? Malfunction diagnosis process: Start Replace the tube temperature...
  • Page 42 Service Manual 4. Malfunction of Overcurrent Protection E5 Main detection points: ● Is the supply voltage unstable with big fluctuation? ● Is the supply voltage too low with overload? ● Hardware trouble? Malfunction diagnosis process: Start Normal fluctuation should be within 10 % Is malfunction Is the supply voltage unstable of the rated voltage on the nameplate...

  • Page 43: Exploded View And Parts List

    10. Exploded View and Parts List Service Manual GFH(09)CA-K6DNA1B/I GFH(09)CA-K6DNA1C/I GFH(12)CA-K6DNA1B/I GFH(12)CA-K6DNA1C/I The component picture is only for reference; please refer to the actual product. Installation and Maintenance...
  • Page 44 Service Manual Description Top Cover Board Assy Main Board Terminal Board Electric Box assy Left Side Plate Assy Hook 2 Liquid Level Switch Water Pump Assy Drainage Pipe (Rubber) Water Pump Strainer Water Tray Assy Air Outlet Frame Assy Cover Plate(Air return) Bottom Cover Plate Assy Evaporator Assy Right Side Plate Assy...
  • Page 45 Service Manual GFH(18)CB-K6DNA1B/I GFH(18)CB-K6DNA1C/I The component picture is only for reference; please refer to the actual product. Installation and Maintenance...
  • Page 46 Service Manual Description Top Cover Board Assy Main Board Terminal Board Electric Box assy Liquid Level Switch Left Side Plate Assy Strainer Water Pump Drainage Pipe (Rubber) Water Pump Assy Hook 2 Evaporator Assy Air Outlet Frame Assy Cover of Air-In Bottom Cover Plate Assy Hook Water Tray Assy...
  • Page 47 Service Manual GFH(24)CC-K6DNA1B/I GFH(24)CC-K6DNA1C/I The component picture is only for reference; please refer to the actual product. Installation and Maintenance...
  • Page 48 Service Manual Description Hook Electric Box assy Main Board Terminal Board Filter Board Left Side Plate Water Pump Assy Drainage Pipe (Rubber) Water Pump Liquid Level Switch Strainer Evaporator Assy Rubber Plug Air Outlet Frame Assy Water Tray Bottom Cover Plate Cover of Air-In Right Side Plate Volute Casing...

  • Page 49: Removal Procedure

    11. Removal Procedure Service Manual Caution: discharge the refrigerant completely before removal. 09/12K Step Diagram Operation Procedure Disconnect the power supply of the IDUs, use a screwdriver to 1. Remove the cover plate of unscrew the cover plate of the the electric box.
  • Page 50 Service Manual Step Diagram Operation Procedure Draw the air return filter to both sides 1. Remove the air return respectively at the return air inlet. filter. Disconnect the power supply of the IDUs, use a screwdriver to unscrew the 2. Remove the cover plate of cover plate of the electric box, and then the electric box.
  • Page 51 Service Manual Removal of fan and motor Note: Before removing the motor, make sure power is cut off. Step Picture Work instruction Turn off the power supply of indoor unit. Use a screwdriver 1. Remove the cover of to remove the cover of electric electric box.
  • Page 52 Service Manual Removal of fan and motor Note: Before removing the motor, make sure power is cut off. Step Picture Work instruction Remove the motor from the motor support. Use a hex wrench to loosen 6. Replace the motor. the screws of fan. Remove the fan from the motor.
  • Page 53 Service Manual Removal of water tray Note: Before removal, make sure power is cut off. During the removal procedure, take good care of all the components. Step Picture Work instruction Loosen the screws of cover plate and then Remove the cover remove the cover plate.
  • Page 54 Service Manual Removal of evaporator Note: Make sure power is cut off. Take good care of the copper pipe and aluminum fins. If the removal takes a long time, please put the copper pipe under pressure. Step Picture Work instruction Take off the evaporator.
  • Page 55 JF00304684 GREE ELECTRIC APPLIANCES, INC. OF ZHUHAI Add: West Jinji Rd, Qianshan, Zhuhai,Guangdong, China, 519070 Tel: (+86-756) 8522219 Fax: (+86-756) 8669426 E-mail: global@cn.gree.com For product improvement, specifications and appearance in this manual are subject to change without prior notice.

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