Gree ALL-MATCH R32 Series Service Manual
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Gree ALL-MATCH R32 Series Service Manual

Gree ALL-MATCH R32 Series Service Manual

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ALL-MATCH INVERTER SERIES_R32
Service Manual
DUC09HP230V1R32AH
DUC12HP230V1R32AH
DUC18HP230V1R32AH
DUC20HP230V1R32AH
GREE ELECTRIC APPLIANCES, INC. OF ZHUHAI

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  • Page 1 Change for life ALL-MATCH INVERTER SERIES_R32 Service Manual DUC09HP230V1R32AH DUC12HP230V1R32AH DUC18HP230V1R32AH DUC20HP230V1R32AH GREE ELECTRIC APPLIANCES, INC. OF ZHUHAI...

  • Page 2: Table Of Contents

    Table of Contents Service Manual Part Ⅰ : Technical Information ........1 1. Summary ................. 1 2. Specifications ............... 2 3. Outline Dimension Diagram ........5 4. Refrigerant System Diagram ......... 6 5. Electrical Part ............... 7 5.1 Wiring Diagram ......................7 5.2 PCB Printed Diagram ....................8...
  • Page 3 Service Manual 10. Maintenance .............. 50 10.1 Error Code List ......................50 10.2 Troubleshooting for Main Malfunction ............55 10.3 Maintenance Method for Normal Malfunction ...........57 11. Exploded View and Parts List ......59 12. Removal Procedure ..........63 Symbol Explanation This symbol shows that this appliance uses a flammable refrigerant. If the refrigerant is leaked and exposed to an external ignition source, there is a risk of fire.

  • Page 4: Part Ⅰ : Technical Information

    1. Summary Service Manual Indoor Unit: DUC09HP230V1R32AH DUC12HP230V1R32AH DUC18HP230V1R32AH GFH(21)DB-D6DNA1A/I DUC24HP230V1R32AH Model list: Wired Controller: Model Product code Wired Controller DUC09HP230V1R32AH CN210N0380 DUC12HP230V1R32AH CN210N0390 DUC18HP230V1R32AH CN210N0400 XE72-44/E GFH(21)DB-D6DNA1A/I CN210N0410 DUC24HP230V1R32AH CN210N0420 Technical Information...

  • Page 5: Specifications

    2. Specifications Service Manual DUC09HP230V1R32AH DUC12HP230V1R32AH Model Product Code CN210N0380 CN210N0390 Rated Voltage 208/230 208/230 Power Rated Frequency Supply Phases Cooling Capacity Btu/h 9100 12000 Heating Capacity Btu/h 10500 12000 Cooling Power Input 0.092 0.092 Heating Power Input 0.092 0.092 Cooling Current Input Heating Current Input Air flow volume...
  • Page 6 Service Manual DUC18HP230V1R32AH Model GFH(21)DB-D6DNA1A/I Product Code CN210N0400 CN210N0410 Rated Voltage 208/230 208/230 Power Rated Frequency Supply Phases Cooling Capacity Btu/h 18000 22000 Heating Capacity Btu/h 18000 24000 Cooling Power Input 0.161 0.161 Heating Power Input 0.161 0.161 Cooling Current Input Heating Current Input Air flow volume 589/412/312/288...
  • Page 7 Service Manual DUC24HP230V1R32AH Model Product Code CN210N0420 Rated Voltage 208/230 Power Rated Frequency Supply Phases Cooling Capacity Btu/h 22000 Heating Capacity Btu/h 24000 Cooling Power Input 0.207 Heating Power Input 0.207 Cooling Current Input Heating Current Input Air flow volume 736/559/453/406 Dehumidifying Volume Pint/h...

  • Page 8: Outline Dimension Diagram

    3. Outline Dimension Diagram Service Manual Unit:inch Model 09/12K 29 9/64 19 11/16 32 43/64 11 13/16 29 11/16 27 9/16 27 9/16 18/21/24K 40 15/16 19 11/16 44 31/64 11 13/16 29 11/16 39 3/8 27 9/16 Technical Information...

  • Page 9: Refrigerant System Diagram

    4. Refrigerant System Diagram Service Manual Technical Information...

  • Page 10: Electrical Part

    5. Electrical Part Service Manual 5.1 Wiring Diagram ●Instruction Symbol Symbol Color Symbol Symbol Color Symbol Name White 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. (OPTIONAL) ROOM TEMP.

  • Page 11: Pcb Printed Diagram

    Service Manual 5.2 PCB Printed Diagram 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 13 Wired controller communication wire Water pump control 14 Interface of gate-control detection...

  • Page 12: Function And Control

    6. Function and Control Service Manual 6.1 Wired Controller Introduction for XE72-44/E 1 Symbols on LCD 1.1 Outside View of the Wired Controller 1.2 LCD of the Wired Controller Fig.1 Outside View of the Wired Controller Fig.2 LCD of the Wired Controller Table 1 Display Instruction of Display...
  • Page 13 Service Manual 2 Buttons 2.1 Buttons on the Wired Controller Fig. 3 Buttons on the Wired Controller 2.2 Function of the Buttons Table 2 Name Function 1. Function selection and cancellation. SWING/ENTER 2. Setting of the up and down swing function. ▲...
  • Page 14 Service Manual 3 Operation Instructions In the Cooling, Dry, Fan or Heating mode, the temperature setting range is 16°C~30°C(61°F~86°F). 3.1 ON/OFF In the Auto mode, the setting temperature is unadjustable. Press ON/OFF to turn on the unit and turn it off by another press. NOTE: If the wired controller receives the signals of remote NOTE: The state shown in Fig.4 indicates the “OFF”...
  • Page 15 Service Manual 3.5 Timer Setting Under the "ON" / "OFF" state of the unit, press Timer to set timer off / on. ● Timer on setting: press Timer, and then LCD will display "xx.x hour", with "hour" blinking. In this case press ▲ or ▼ to adjust the timing value.
  • Page 16 Service Manual 3.7 Left & Right Swing Setting ● Swing On: Press FUNCTION under on state of the unit to activate the swing function. In this case, will blink. After that, press SWING/ ENTER to make a confirmation. ● Swing Off: When the Swing function is on, press FUNCTION to enter the Swing setting interface, with blinking.
  • Page 17 Service Manual 3.8 Fresh Air Valve Function Setting ● Turn on fresh air valve function: Under unit on status, press FUNCTION button on the panel to select "Fresh air valve" function option. When icon flashes, it enters fresh air valve setting mode. Previous temperature display position will display the level of fresh air valve. Press ▲ or ▼ button to adjust the level of fresh air valve within the range from 1 to 10.
  • Page 18 Service Manual 3.9 Sleep Setting ● Sleep on: Press FUNCTION under on state of the unit till the unit enters the Sleep setting interface. Press SWING/ENTER to confirm the setting. ● Sleep off: When the Sleep function is activated, press FUNCTION to enter the Sleep setting interface. After that, press SWING/ENTER to can this function.
  • Page 19 Service Manual 3.10 Turbo Setting Turbo function: The unit at the high fan speed can realize quick cooling or heating so that the room temperature can quickly approach the setting value. In the Cooling or Heating mode, press FUNCTION till the unit enters the Turbo setting interface and then press SWING/ENTER to confirm the setting.
  • Page 20 Service Manual 3.11 Energy Saving Function Setting ● Turn on energy saving function: 1. Energy Saving Setting for Cooling When the unit runs under the COOL or DRY mode, press FUNCTION button to select "SAVE" function option, with "SAVE" flashing, and then press ▲...
  • Page 21 Service Manual 3.12 E-heater Setting E-heater (auxiliary electric heating function): In the Heating mode, E-heater is allowed to be turned on for improvement of efficiency. Once the wired controller or the remote controller enters the Heating mode, this function will be turned on automatically. Press FUNCTION in the Heating mode to enter the E-heater setting interface and then press SWING/ENTER to cancel this function.
  • Page 22 Service Manual 3.13 X-fan Setting X-fan function: After the unit is turned off, the water in evaporator of indoor unit will be automatically evaporated to avoid mildew. In the Cooling or Dry mode, press FUNCTION till the unit enters the X-fan setting interface and then press SWING/ENTER to active this function.
  • Page 23 Service Manual 3.14 Quiet Function Setting ● Turn on quiet function: Under unit on status, press FUNCTION button on the panel to select "Quiet" function option. When "Quiet" or "Auto quiet" flashes, it enters quiet function setting mode. Press ▲ or ▼ button to switch between "Quiet" and "Auto quiet" function. Then press SWING/ ENTER button to activate this function.
  • Page 24 Service Manual 3.15 Health Setting ● Health on: Press FUNCTION under on state of the unit till the unit enters the Health setting interface. Press SWING/ENTER to confirm the setting. ● Health off: When the Health function is activated, press FUNCTION to enter the Health setting interface. After that, press SWING/ ENTER to cancel this function.
  • Page 25 Service Manual 3.16 Absent Setting ● Absent on: Press FUNCTION under on state of the unit till the unit enters the Absent setting interface. Press SWING/ENTER to confirm the setting. ● Absent off: When the Absent function is activated, press FUNCTION to enter the Absent setting interface. After that, press SWING/ ENTER to cancel this function.
  • Page 26 Service Manual 3.17 I-Demand Setting ● I-Demand on: Press FUNCTION under on state of the unit till the unit enters the I-Demand setting interface. Press SWING/ENTER to confirm the setting. ● I-Demand off: When the I-Demand function is activated, press FUNCTION to enter the I-Demand setting interface. After that, press SWING/ENTER to cancel this function.
  • Page 27 Service Manual 3.18 WiFi Function Setting "Gree+" APP can be used to control it. Please scan the QR code to download it. APP can only set some common functions of WiFi wired controller: ON/OFF, mode, set temperature, FAN speed, etc.
  • Page 28 Service Manual 3.20 Two-way Ventilation Function Setting Under the "On/Off" state of the unit, press FUNCTION button on the panel to select "Two-way Ventilation" function option. Then press SWING/ENTER button to start up or turn off two-way ventilation function. When two-way ventilation function is started up, will be shown on wired controller.
  • Page 29 Service Manual 3.21 Other Functions state without memorizing the current data. 1. Lock NOTE: Upon startup of the unit without malfunction or under the "OFF" After connected with indoor unit, if the type of ambient temperature state of the unit, press and at the same time for 5 seconds till sensor has not been manually set, the wired controller will select the wired controller enters the Lock function.

  • Page 30: Brief Description Of Models And Functions

    Service Manual 6.2 Brief Description of Models and Functions 1.Basic function of system speed and swing function is turned on. Press this auto button at (1)Cooling mode ON status to turn off the unit. (1) Under this mode, fan and swing operates at setting status. (3) Auto fan Temperature setting range is 16~30 Heating mode: During auto heating mode or normal heating ode,...

  • Page 31: Part Ⅱ : 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 32: 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 WARNINGS 1. When installing or relocating the unit, be sure to connection pipe is not yet connected, air will be sucked in and keep the refrigerant circuit free from air or substances cause pressure rise or compressor rupture, resulting in injury.
  • Page 33 Service Manual International Mechanical Code,or CSA B52.All field joints shall be accessible for inspection prior to being covered or R32 refrigerant warning enclosed. ● To realize the function of the air conditioner unit, a special Notices for using refrigerant sensor refrigerant circulates in the system.
  • Page 34 Service Manual table a - Minimum room area (m No ignition sources No person carrying out work in relation to a REFRIGERATING Charge Height of ventilation opening(m) SYSTEM which involves exposing any pipe work shall use any amount (kg) sources of ignition in such a manner that it may lead to the Minimum room area (m risk of fire or explosion.

  • Page 35: Repair To Intrinsically Safe Components

    Service Manual •that capacitors are discharged: this shall be done in a safe Removal and evacuation manner to avoid possibility of sparking; When breaking into the refrigerant circuit to make repairs -or •that no live electrical components and wiring are exposed while for any other purpose -conventional procedures shall be used.
  • Page 36 Service Manual Decommissioning Labelling Before carrying out this procedure,it is essential that the technician Equipment shall be labelled stating that it has been de- is completely familiar with the equipment and all its detail.lt is commissioned and emptied of refrigerant. The label shall be recommended good practice that all refrigerants are recovered dated and signed.

  • Page 37: Main Tools For Installation And Maintenance

    Service Manual Main Tools for Installation and Maintenance Measuring tape Level meter Screw driver Impact drill Universal meter Drill head Electric drill Electroprobe Inner hexagon Torque wrench Electronic Open-end wrench spanner leakage detector Pressure meter Pipe pliers Pipe pliers Vacuum pump Soldering appliance Pipe cutter Pipe expander...

  • Page 38: Installation Manual

    8. Installation Manual 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...

  • Page 39: Preparations For Installation

    Service Manual 8.1 Preparations for Installation NOTICE! Product graphics are only for reference. Please refer to actual products. Unspecified measure unit is mm(in.) Please use the supplied standard fittings listed below as instructed. Appearance Usage Name Q'ty Wired Controller To control the indoor uni t Drain Hose Assembly To connect with the hard PVC drain pipe To be used for connecting the refrigerant...

  • Page 40: Wiring Requirements

    Service Manual 8.3 Wiring Requirements (1) Power Cord Size and Air Switch Capacity Fuse Model Power Supply Min. Power Supply Cord Capacity(A) DUC09HP230V1R32AH DUC12HP230V1R32AH DUC18HP230V1R32AH 208/230V-1ph-60Hz 4xAWG18 GFH(21)DB-D6DNA1A/I DUC24HP230V1R32AH NOTICE: (1) Use copper wire only as unit’s power cord. Operating temperature should be within it value. (2) If the power cord is more than 15m (49-1/4 ft.) long, please increase properly the sectional area of power cord to avoid overload, which may cause accident.

  • Page 41: Installation Instructions

    9. Installation Instructions Service Manual NOTICE! These duct type indoor units are limited to be installed for one room. 9.1 Suspend the indoor unit (1) Drill bolt holes and install bolts 1.Stick the reference cardboard on the installation position; drill 4 holes according to the hole site on the cardboard as shown in fig 1. ;...

  • Page 42: Refrigerant Pipe Connection

    Service Manual (3)Adjust the unit to the right position. (4) Check the level of the unit After the indoor unit is installed, remember to check the horizontal status of the whole unit. It should be horizontal from front to back and slant 1% from left to right, following the drainage direction.

  • Page 43: Drainage Pipe Installation

    Service Manual (2)Drainage pipe installation 1. Insert the drain hose into the drain hole and tighten it with tapes, as shown in Fig 8. 2. Tighten the pipe clamp, with the distance between screw nut and hose smaller than 4mm(1/8in.). ①...
  • Page 44 Service Manual 9. The installation height of raising pipe for drainage should be lower thanB. The gradient from raising pipe towards drainage direction should be at least 1%~2%. If the raising pipe is vertical with the unit, the raising height should be less than C. Fig 15 Unit: mm( in.) Model...

  • Page 45: Installation Of Air Duct

    Service Manual Fig 17 2. Check if the water drains smoothly from the drain pipe and check if there is water leakage on the connection pipe. 3. Arrange insulation of drain hose and pipe clamp after checking the drain system. 9.4 Installation of Air Duct NOTICE! ●...

  • Page 46: Installation Of The Return Air Duct

    Service Manual (2)Installation of Air-out Duct Fig 20 Name Name Hanger Rod Static Pressure Box Return Air Duct Filter Canvas Duct Main Supply Air Duct Return Air Inlet Supply Air Outlet (3)Installation of the Return Air Duct (1) The default installation location of the rectangular flange is at the back and the return air cover plate is at the bottom, as shown in Fig Fig 21 (2) If the bottom return air is desired, just change the place of the rectangular flange and the return air cover plate.

  • Page 47: Installation Of Wired Controller

    Service Manual (4)Installation of the Fresh Air Pipe (1) When the fresh air pipe is needed to be connected, cut the fresh air baffle as Fig 23. Plug up the gap of the fresh air baffle by sponge if the fresh air duct is not be used. (2) Install the round flange so that the fresh air duct can be connected as Fig 24.

  • Page 48: Power Cord Connection

    Service Manual Fig 25 Fig 26 (2) Power Cord Connection (1) Detach the electric box lid. (2) Let the power cord pass through the wiring through-holes. (3) Fix the power card with wiring clamp. (4) The wire diameter of power cord can’ t be less than 18AWG. N(1) white black...

  • Page 49: Adjust After Installation

    Service Manual 9.7 Adjust after installation Working range for external static pressure of this series of duct type unit is 0 Pa~275 Pa. For corresponding external static pressure to the respective static pressure notch please see as below. The setting of static pressure for indoor fan can be done via wired controller. Applicable to: 09K/12K Static pressure notch for indoor fan External static pressure (Pa)
  • Page 50 Service Manual Note: CN1 is 485 communication interface and it used Wired Controller XE72-44/E for connecting the 4- core communication wire. These two needle stands(CN2/CN3) are used for connecting the smart zone controller. There is no sequence for these two needle stands. You can connect one or two needle stand(s) basing on the requirement.
  • Page 51 Service Manual Fig 34 Fig. 34 shows the schematic diagram of control system connection. XE72-44/E can connect the smart zone controller (integrated control system). “n” indicates the number of communication node address (programmable wired controller XE72-44/E). The complete system is composed of the smart zone controller, wired controller XE72-44/E and communication cable.

  • Page 52: Dismantlement Of The Wired Controller

    Service Manual (3)Dismantlement of the Wired Controller ● Open the cover of the electric control box of the indoor unit. ● Let the single line of the wired controller through the soleplate of wired controller. ● Connect the signal line of the wired controller to the 4-pin socket of the indoor unit. ●...

  • Page 53: Maintenance

    10. Maintenance Service Manual 10.1 Error Code List Error Malfunction name AC status Possible causes code Malfunction of jumper cap The complete unit stops operation 1. Jumper cap is not installed in control panel; 2. Poor contact of jumper cap; 3.
  • Page 54 Service Manual Error Malfunction name AC status Possible causes code Liquid valve temperature 1. Temperature sensor is not well connected or damaged; sensor is ON / short- 2. The wire of temperature sensor is damaged, causing short circuited circuit to copper pipe or outer casing; 3.
  • Page 55 Service Manual Error Malfunction name AC status Possible causes code Outdoor condenser Cool/Dry: compressor and outdoor 1. Temperature sensor is not connected well or damaged; temperature sensor is fan stop operation, while indoor fan 2. Temperature sensor wire of outdoor unit is damaged; short open/short-circuited operates;...
  • Page 56 Service Manual Error Malfunction name AC status Possible causes code Undefined outdoor unit Cool: compressor and outdoor 1. Outdoor ambient temperature exceeds the operation range error fan stops operation, while indoor of unit (eg: less than-20 C or more than 60 C for cooling;...
  • Page 57 Service Manual Error Malfunction name AC status Possible causes code DC bus voltage drop Cool/Dry: compressor stops The power voltage is unstable. malfunction operation, while indoor fan operates; Heat: all loads stops operation. Current detection Cool: compressor and outdoor 1. Is the complete unit lacking of refrigerant? malfunction of unit fan stops operation, while indoor 2.

  • Page 58: Troubleshooting For Main Malfunction

    Service Manual 10.2 Troubleshooting for Main Malfunction Indoor unit: 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 59 Service Manual 4. Water overflow protection E9 Malfunction diagnosis process: Error display Check whether Whether the voltage Replace the main board there is water of liquid level switch of indoor unit overflow terminal is correct? Check the liquid level switch Whether the voltage Whether the drain Replace the main board...

  • Page 60: Maintenance Method For Normal Malfunction

    Service Manual 10.3 Maintenance Method for Normal Malfunction 1. Air Conditioner can't be Started Up Possible Causes Discriminating Method (Air conditioner Status) Troubleshooting Confirm whether it's due to power failure. If yes, No power supply, or poor connection After energization, operation indicator isn't bright wait for power recovery.
  • Page 61 Service Manual 4. ODU Fan Motor can't Operate Possible causes Discriminating method (air conditioner status) Troubleshooting Wrong wire connection, or poor Check the wiring status according to circuit Connect wires according to wiring diagram to make connection diagram sure all wiring terminals are connected firmly Measure the capacity of fan capacitor with an Capacity of the ODU fan motor is universal meter and find that the capacity is out of...

  • Page 62: Exploded View And Parts List

    11. Exploded View and Parts List Service Manual DUC09HP230V1R32AH DUC12HP230V1R32AH The component picture is only for reference; please refer to the actual product. Installation and Maintenance...
  • Page 63 Service Manual Description Description Display Board Bottom Cover Plate Drain Hose Sub-Assy Left Side Plate Assy Temperature Sensor Electric Box Sub-Assy Temperature Sensor Cable Cross Loop Right Side Plate Assy Electric Box Cover Hook Terminal Board Centrifugal Fan Assy Main Board Propeller Housing(Upper) Electric Box Assy Return Air Frame Sub-Assy...
  • Page 64 Service Manual DUC18HP230V1R32AH GFH(21)DB-D6DNA1A/I DUC24HP230V1R32AH 21 20 5 6 7 13 14 The component picture is only for reference; please refer to the actual product. Installation and Maintenance...
  • Page 65 Service Manual Description Description Air in Frame Assy Cable Cross Loop Filter Sub-Assy Terminal Board Propeller Housing(Upper) Main Board Centrifugal Fan Electric Box Cover Brushless DC Motor Air Outlet Frame Assy Propeller Housing(Lower) Evaporator Assy Blower Mounting Plate Sub-Assy Choke Plug of Drain Pipe Cover Of Air-In Foam Sub-assy Hook...

  • Page 66: Removal Procedure

    12. Removal Procedure Service Manual Caution: discharge the refrigerant completely before removal. Motor and fan Precondition: The power supply has been disconnected. Step Diagram Operation Procedure ●Use a screwdriver to unscrew the electric box cover. 1.Remove the line ●Remove from the master board the line Main Board connecting to the motor.
  • Page 67 JF00305639 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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