Gree GUHD09NK3FO Service Manual
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Gree GUHD09NK3FO Service Manual

U-match ? series dc inverter
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U-MATCH Ⅳ SERIES DC INVERTER AIR
CONDITIONERS SERVICE MANUAL
T1/R410A/50Hz
(GC201509 -
)
І

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Summary of Contents for Gree GUHD09NK3FO

  • Page 1 U-MATCH Ⅳ SERIES DC INVERTER AIR CONDITIONERS SERVICE MANUAL T1/R410A/50Hz (GC201509 - І...

  • Page 2: Table Of Contents

    CONTENTS PRODUCT ..................................2 1 MODELS LIST ................................2 1.1 Outdoor Unit ................................2 1.2 Indoor Unit ................................3 2 NOMENCLATURE ............................... 4 2.1 Outdoor Unit ................................4 2.2 Intdoor Unit ................................4 3 PRODUCT DATA ................................5 3.1 Product Data of Indoor Unit........................... 5 3.2 Operation Range ..............................
  • Page 3 3.1 Outdoor unit ..............................118 3.2 Indoor unit ................................. 123 4 DISASSEMBLY AND ASSEMBLY PROCEDURE OF MAIN PARTS ................. 127 4.1 Outdoor Unit ..............................127 4.2 Indoor Unit ................................ 133 5 EXPLODED VIEWS AND SPARE PART LIST ......................146 5.1 Outdoor Unit ..............................146 5.2 Indoor Unit ................................
  • Page 4 U-Match Series DC Inverter Service Manual PRODUCT...

  • Page 5: Product

    U-Match Series DC Inverter Service Manual PRODUCT 1 MODELS LIST 1.1 Outdoor Unit Power Supply Model Name Product Code Appearance (V, Ph, Hz) GUHD09NK3FO CF090W0630 220-240V~ 50Hz GUHD12NK3FO CF090W0640 220-240V~ 50Hz GUHD18NK3FO CF090W0650 220-240V~ 50Hz GUHD24NK3FO CF090W0660 220-240V~ 50Hz GUHD30NK3FO...

  • Page 6: Indoor Unit

    U-Match Series DC Inverter Service Manual 1.2 Indoor Unit Nominal Capacity Power Type Model Name Product Code Cooling/Heating Supply Appearance (kW) (V, Ph, Hz) GFH09K3FI CF060N0420 2.7/2.9 GFH12K3FI CF060N0430 3.5/3.8 220-240V~ 50Hz GFH18K3FI CF060N0440 5.0/5.6 GFH24K3FI CF060N0450 7.0/8.0 220-240V~ 50Hz Duct GFH30K3FI CF060N0460...

  • Page 7: Nomenclature

    U-Match Series DC Inverter Service Manual 2 NOMENCLATURE 2.1 Outdoor Unit Description Options Gree Electric Appliances Inc Capital Letter :G Unit Type U=U-Match Outdoor Unit C=Cool Only Product Type H=Heat Pump without Aux Electric Heaters N=Constant Frequency Compressor Power Supply...

  • Page 8: Product Data

    3.1 Product Data of Indoor Unit 3.1.1 Duct Type Indoor unit GFH09K3FI GFH12K3FI GFH18K3FI GFH24K3FI Product Code CF060N0420 CF060N0430 CF060N0440 CF060N0450 Model Outdoor unit GUHD09NK3FO GUHD12NK3FO GUHD18NK3FO GUHD24NK3FO Product Code CF090W0630 CF090W0640 CF090W0650 CF090W0660 Cooling Capacity 2.7(0.80-3.40) 3.5(0.90-3.70) 5.0(1.60-5.50) 7.0(2.20-8.500) Capacity Heating Capacity 2.9(0.80-3.70) 3.8(0.90-4.10)
  • Page 9 U-Match Series DC Inverter Service Manual Indoor unit GFH30K3FI GFH36K3FI GFH36K3FI GFH42K3FI Product Code CF060N0460 CF060N0470 CF060N0470 CF060N0480 Model Outdoor unit GUHD30NK3FO GUHD36NK3FO GUHD36NM3FO GUHD42NK3FO Product Code CF090W0670 CF090W0680 CF090W0690 CF090W0700 Cooling Capacity 8.3(2.40-8.70) 10.0(3.20-11.50) 10.0(3.20-11.50) 11.5(3.60-12.50) Capacity Heating Capacity 9.2(2.40-9.90) 12.0(2.90-14.50) 12.0(2.90-14.50) 13.5(3.90-15.50) PdesignH...
  • Page 10 U-Match Series DC Inverter Service Manual Indoor unit GFH42K3FI GFH48K3FI GFH48K3FI GFH60K3FI Product Code CF060N0480 CF060N0490 CF060N0490 CF060N0500 Model Outdoor unit GUHD42NM3FO GUHD48NK3FO GUHD48NM3FO GUHD60NM3FO Product Code CF090W0710 CF090W0720 CF090W0730 CF090W0740 Cooling Capacity 11.5(3.60-12.50) 14.0(6.00-14.50) 14.0(6.00-14.50) 16.0(7.4~16.5) Capacity Heating Capacity 13.5(3.90-15.50) 15.5(5.20-17.00) 15.5(5.20-17.00) 16.5(6.2~18.5) PdesignH 10.5...
  • Page 11 U-Match Series DC Inverter Service Manual 3.1.2 Cassette Type Indoor unit GKH12K3FI GKH18K3FI GKH24K3FI Product Code ET010N0670 ET010N0680 ET010N0690 Model Outdoor unit GUHD12NK3FO GUHD18NK3FO GUHD24NK3FO Product Code CF090W0640 CF090W0650 CF090W0660 Cooling Capacity 3.5(0.90-3.90) 5.0(1.60-5.80) 7.0(2.40-8.50) Capacity Heating Capacity 3.8(0.90-4.10) 5.5(1.40-6.50) 8.0(2.40-9.50) PdesignH Cooling...
  • Page 12 U-Match Series DC Inverter Service Manual Indoor unit GKH30K3FI GKH36K3FI GKH36K3FI GKH42K3FI Product Code ET010N0740 ET010N0700 ET010N0700 ET010N0710 Model Outdoor unit GUHD30NK3FO GUHD36NK3FO GUHD36NM3FO GUHD42NK3FO Product Code CF090W0670 CF090W0680 CF090W0690 CF090W0700 Cooling Capacity 8.3(2.60-9.20) 10.0(3.20-11.50) 10.0(3.20-11.50) 11.0(3.30-12.00) Capacity Heating Capacity 9.2(2.40-9.90) 12.0(2.90-14.50) 12.0(2.90-14.50) 12.5(3.60-15.00) PdesignH...
  • Page 13 U-Match Series DC Inverter Service Manual Indoor unit GKH42K3FI GKH48K3FI GKH48K3FI GKH60K3FI Product Code ET010N0710 ET010N0720 ET010N0720 ET010N0730 Model Outdoor unit GUHD42NM3FO GUHD48NK3FO GUHD48NM3FO GUHD60NM3FO Product Code CF090W0710 CF090W0720 CF090W0730 CF090W0740 Cooling Capacity 11.0(3.30-12.00) 14.0(6.00-14.80) 14.0(6.00-14.80) 16.0(7.4~16.5) Capacity Heating Capacity 12.5(3.60-15.00) 16.0(5.20-18.00) 16.0(5.20-18.00) 16.5(6.2~18.5) PdesignH 12.0...
  • Page 14 U-Match Series DC Inverter Service Manual 3.1.3 Floor-ceiling Type Indoor unit GTH09K3FI GTH12K3FI GTH18K3FI GTH24K3FI Product Code ED020N0650 ED020N0660 ED020N0670 ED020N0680 Model Outdoor unit GUHD09NK3FO GUHD12NK3FO GUHD18NK3FO GUHD24NK3FO Product Code CF090W0630 CF090W0640 CF090W0650 CF090W0660 Cooling Capacity 2.7(0.80-3.50) 3.5(0.90-3.90) 5.0(1.60-5.80) 7.0(2.40-8.20) Capacity Heating Capacity 2.9(0.80-3.80) 3.8(0.90-4.10)
  • Page 15 U-Match Series DC Inverter Service Manual Indoor unit GTH30K3FI GTH36K3FI GTH36K3FI GTH42K3FI Product Code ED020N0690 ED020N0700 ED020N0700 ED020N0710 Model Outdoor unit GUHD30NK3FO GUHD36NK3FO GUHD36NM3FO GUHD42NK3FO Product Code CF090W0670 CF090W0680 CF090W0690 CF090W0700 Cooling Capacity 8.5(2.60-9.20) 10.0(3.20-11.50) 10.0(3.20-11.50) 11.5(3.60-12.50) Capacity Heating Capacity 9.2(2.40-9.90) 12.0(2.90-14.50) 12.0(2.90-14.50) 13.5(3.90-15.50) PdesignH...
  • Page 16 U-Match Series DC Inverter Service Manual Indoor unit GTH42K3FI GTH48K3FI GTH48K3FI GTH60K3FI Product Code ED020N0710 ED020N0720 ED020N0720 ED020N0730 Model Outdoor unit GUHD42NM3FO GUHD48NK3FO GUHD48NM3FO GUHD60NM3FO Product Code CF090W0710 CF090W0720 CF090W0730 CF090W0740 Cooling Capacity 11.5(3.60-12.50) 14.0(6.00-14.80) 14.0(6.00-14.80) 16.0(7.4~16.5) Capacity Heating Capacity 13.5(3.90-15.50) 16.0(5.20-18.00) 16.0(5.20-18.00) 16.5(6.2~18.5) PdesignH 10.5...

  • Page 17: Operation Range

    3.3.1 Outdoor unit Table 1-4-1 Electrical Data of Outdoor Unit Compressor Fan Motor Fuse Breaker Min. Power Capacity Capacity Supply Cord Model Power Supply Qty. − V/Ph/Hz GUHD09NK3FO <1 3.15/5 <1 GUHD12NK3FO 3.15/5 <1 GUHD18NK3FO 5/15 <1 GUHD24NK3FO 11.5 5/30 220-240,1,50 <1 GUHD30NK3FO 11.5...
  • Page 18 U-Match Series DC Inverter Service Manual 3.3.2 Indoor unit Table 1-4-2 Electrical Data of Indoor Unit Power Supply Fan Motor FLA Fuse/Breaker Capacity Min. Power Supply Cord Model V/Ph/Hz <1 GFH09K3FI 220-240,1,50 <1 GTH09K3FI 220-240,1,50 <1 GFH12K3FI 220-240,1,50 <1 GTH12K3FI 220-240,1,50 <1 GKH12K3FI...

  • Page 19: Piping Diagram

    U-Match Series DC Inverter Service Manual changes, they should be modified according to the related national standard. ④ The specifications of the breaker listed in the table above are applied to the breaker with the working temperature at 40°С. If the working condition changes, they should be modified according to the related national standard.
  • Page 20 U-Match Series DC Inverter Service Manual CONTROL...

  • Page 21: Control

    U-Match Series DC Inverter Service Manual CONTROL 1 OPERATION FLOWCHART 1.1 Cooling/Dry Operation...

  • Page 22: Heating Operation

    U-Match Series DC Inverter Service Manual 1.2 Heating Operation...

  • Page 23: Wireless Remote Controller

    U-Match Series DC Inverter Service Manual 2 WIRELESS REMOTE CONTROLLER 2.1 Operation and Display View Table 2-2-1 Operation instruction of wireless remote controller Name Function Description Signal  Signal transmitter transmitter  Press this button and the unit will be turned on; press it once more and the unit will be turned off. ON/OFF When turning off the unit, the Sleep function will be canceled, but the presetting time is still button...
  • Page 24 U-Match Series DC Inverter Service Manual  Press this button to set up the swing angle, which circularly changes as below:  When the guide louver starts to swing up and down, if SWING functions are canceled, the air guide louver will stop and remains at the current position. SWING ...

  • Page 25: Wired Controller

    U-Match Series DC Inverter Service Manual 3 WIRED CONTROLLER 3.1 Display View Figure 2-3-1 Appearance of wired controller...
  • Page 26 U-Match Series DC Inverter Service Manual Figure 2-3-2 LCD display of wired controller...
  • Page 27 U-Match Series DC Inverter Service Manual Table 2-3-1 Instruction to LCD Display Icons Introduction Left and right swing function Up and down swing function Air exchange function Sleep function Auto mode COOL mode DRY mode FAN mode HEAT mode Health function I-Demand function Vacation function Status display of master and slave wired controller...

  • Page 28: Operation View

    U-Match Series DC Inverter Service Manual 3.2 Operation View 3.2.1 Silk Screen of Buttons Figure 2-3-3 Silk screen of buttons 3.3.2 Instruction to Function of Buttons Table 2-3-2 Instruction to buttons of wired controller Description Functions (1)Function selection and canceling; Enter/Cancel (2)Press it for 5s to view the ambient temperature;...
  • Page 29 U-Match Series DC Inverter Service Manual Notes: The following functions can be set through Function and Timer buttons: setting of ambient temperature sensor, selecting three speeds in high speed and three speeds in low speed of indoor fan motor, display setting of freeze protection error code, setting of cold air prevention and hot air hot prevention function, setting of refrigerant-lacking protection function, selecting of blowing residual heat of indoor unit, selecting of compressor electric heater mode, selecting of low-power consumption mode, selecting door control function, selecting human sensitive function, long-distance monitoring,...
  • Page 30 U-Match Series DC Inverter Service Manual 3.2.3.2 Setting of Master/Slave Wired Controller’s Address Under off status of the unit, press Enter/Cancel and Mode buttons at the same time for 5s to go to the enquiry and setting interface of master/slave wired controller. In this case, LCD displays wired controller‟s address (01 for master wired controller and 02 for slave wired controller).

  • Page 31: Operation Instruction Of Special Functions

    U-Match Series DC Inverter Service Manual 4 OPERATION INSTRUCTION OF SPECIAL FUNCTIONS 4.1 Setting of Filter Clean Reminder Function When unit is on, press Function button to switch to filter clean reminder function. The icon will blink and then enter setting of filter clean reminder function. Timer zone displays the set pollution level and you can press ▲...
  • Page 32 U-Match Series DC Inverter Service Manual When setting the filter clean reminder function, timer zone will display 2 digits, of which the former indicates the pollution degree of operating place and the latter indicates the accumulated operating time of indoor unit. There are 4 types of situations: (1) Clean Reminder is off (Timer zone shows “00”).

  • Page 33: Low Temperature Drying Function

    U-Match Series DC Inverter Service Manual 4.2 Low Temperature Drying Function Under dry mode and when set temperature is 16℃, continuously press ▼ button for twice and then the set temperature will be 12℃. In this case, the unit will enter low temperature drying function. When low temperature drying function is turned on, press ▲...

  • Page 34: Enquiry Of Ambient Temperature

    U-Match Series DC Inverter Service Manual 4.7 Enquiry of Ambient Temperature Under off or on state of the unit, press it for 5s to view the ambient temperature. In this case, timer zone displays ambient temperature type 01 or 02. Ambient temperature zone displays the corresponding temperature of that type.
  • Page 35 U-Match Series DC Inverter Service Manual 4.9.3 Displaying setting of freeze protection error code Under debugging state, press Mode button to adjust to “02” in temperature displaying zone. Timer zone displays setting state and press ▲ or ▼ button to adjust. There are 2 selections: (1) Displayed (LCD displays 01) (2) Not displayed (LCD displays 02) It is defaulted to be not displayed for export unit and be displayed for domestic unit.
  • Page 36 U-Match Series DC Inverter Service Manual 4.9.8 Selecting door control function Under debugging state, press Mode button to adjust to “08” in temperature displaying zone. Timer zone displays setting state and press ▲ or ▼ button to adjust. There are 2 selections: (1) Without door control function (LCD displays 00) (2) With door control function (LCD displays 01) 4.9.9 Selecting human sensitive function...

  • Page 37: Installation Of Wired Controller

    U-Match Series DC Inverter Service Manual (4) Compensate 3℃ (LCD displays 03) (5) Compensate 4℃ (LCD displays 04) (6) Compensate 5℃ (LCD displays 05) (7) Compensate 6℃ (LCD displays 06) (8) Compensate 7℃ (LCD displays 07) (9) Compensate 8℃ (LCD displays 08) (10) Compensate 9℃...

  • Page 38: Installation Position And Requirement

    U-Match Series DC Inverter Service Manual 5.2 Installation Position and Requirement (1) Prohibit installing the wired controller at the misty place or the place with direct sunlight. (2) Prohibit installing the wired controller at the place near high temperature objects or water-splashing places.

  • Page 39: Removal Of Wired Controller

    U-Match Series DC Inverter Service Manual through the hole at the back of wired controller‟s base plate. b) Fix the base plate and installation hole of the wall together with screw M4×25. c) Fix the above mentioned 2-core signal wire on the copper insert X1 and X2 with the equipped screws of wired controller.
  • Page 40 U-Match Series DC Inverter Service Manual Compressor phase protection Power protection Models of indoor unit and outdoor unit do not match with each other Direction changing malfunction of 4-way valve Drive reset protection Overcurrent protection Communication malfunction between main control and drive Malfunction of drive module sensor High temperature protection of drive module Zero-cross protection...

  • Page 41: Centralized Controller

    U-Match Series DC Inverter Service Manual 7 CENTRALIZED CONTROLLER 7.1 Smart Zone Controller 7.1.1 Function The smart zone controller can directly control up to 16 sets of indoor units in a control network and is available to check the running status of any unit through the LCD, including running mode, timer, fan speed, centralized control and shielding setting etc.
  • Page 42 U-Match Series DC Inverter Service Manual It is used to set the timing or on/off time of the selected indoor unit as well as to set Timer/Time the clock of the system. Central It is used for the switchover between single and centralized control modes. Shield It is used to deactivate some or all functions of a single or a group the indoor unit(s).

  • Page 43: Additional Special Functions

    7.2.1 Door control function Door control function is available for this series. In order to achieve this function, please select the door control accessories from Gree. (1) Interface instructions The interface printing is DOOR-C and the type is B2B-XH-B. The wires of door control accessories must be connected to this interface;...
  • Page 44 U-Match Series DC Inverter Service Manual X1 or X2. Definition of interface is as shown in Figure below: Figure 2-7-6 Illustration of door control port Table 2-7-3 Door control wiring port Terminal name Terminal instruction CN1 wiring terminal and door control interface of indoor mainboard X1(AC-L, AC-N) wiring terminal, connected to door control input X1(AC-L, AC-N) signal, rated voltage 220V.
  • Page 45 U-Match Series DC Inverter Service Manual Figure 2-7-7 Note: You can purchase the accessory from Gree. The information is as below: Name Product code Remark Controller for door One controller for one MC207022 control function (MK03) unit 7.2.2 Human sensitive function You can purchase the module of human sensitive function for this series.
  • Page 46 U-Match Series DC Inverter Service Manual displayed on the wired controller; if the unit is without wired controller, there will be no display. The unit will control the ON/OFF of unit according to the detected information. (3) Setting method: Under off state of the unit, press Function and Timer buttons at the same time for 5s to go to the debugging menu.
  • Page 47 7.2.3 MODBUS interface The indoor unit of this series has MODBUS interface. If the user needs to connect the unit to the management system of the building, please enquire Gree for the MODBUS protocol. Figure 2-7-9 (1) Interface instruction: The printing is COM-BMS1 and the interface type is B4B-XH-K3;...
  • Page 48 U-Match Series DC Inverter Service Manual Choose the second selection and then press Enter/Cancel button to save and exit setting. Now, the address of wired controller is set to match the address of long-distance control. The unit will memorize this setting status. The setting value will be memorized after power failure. The detailed setting is as shown in the Figure below: Figure 2-7-10 Address setting of each unit: when the address mode is set to be long-distance control address...
  • Page 49 U-Match Series DC Inverter Service Manual Figure 2-7-11 Note: ① In order to realize the MODBUS interface function, the address mode of the unit must be set into long-distance control address mode; you can not set it into centralized control address mode, otherwise, this function can not be realized;...
  • Page 50 U-Match Series DC Inverter Service Manual In order to achieve this function, set the address mode and address through wired controller. Please refer to Point 3 for the setting method. The address mode is defaulted to be connecting to centralized controller mode and the defaulted address is 1;...
  • Page 51 U-Match Series DC Inverter Service Manual Address setting of each unit: when the address mode is set to be centralized controller address mode. The address setting value range is 01~16. The setting method is: Under off state of the unit, press Function and Mode buttons at the same time for 5s to enter setting interface of wired controller address.
  • Page 52 7.2.5 Light board control Light board interface is reserved on the mainboard of duct type unit. You can purchase Gree light board to realize control of the unit. When wired control is also connected, you can realize control of the unit through light board and wired controller.
  • Page 53 U-Match Series DC Inverter Service Manual Figure 2-7-15 Malfunction output (3) Setting method: Do not need to set this function Notes: ① The interface voltage should be 220V AC intense current; ② If malfunction light is connected, please make sure its power is not too big (it should be within 10W), otherwise, the relay on mainboard will be burnt.
  • Page 54 U-Match Series DC Inverter Service Manual Figure 2-7-15 Table 2-7-4 Corresponding interfaces of mainboard Interface Evaporator temperature sensor Swing motor Human sensitive Door control Full water detection Interface of light board Communication port of centralized controller MOUDBUS interface Interface of annunciator live wire ON interface of fresh air valve OFF interface of fresh air valve Interface of annunciator neutral wire...
  • Page 55 U-Match Series DC Inverter Service Manual 7.2.7 Reserved fresh air valve interface for duct type unit For the reserved connection way of air valve performer, connect it to F, C, O of wiring board according to the wiring diagram. Connect the public port of air valve to F, connect CLOSE to C and connect OPEN to O.
  • Page 56 U-Match Series DC Inverter Service Manual 7.2.9 Chassis electric heating belt of outdoor unit is optional When outdoor ambient temperature is very low, electric heating belt can be equipped on the chassis to prevent freezing of the chassis. Figure 2-7-18...
  • Page 57 U-Match Series DC Inverter Service Manual INSTALLATION...

  • Page 58: Installation

    U-Match Series DC Inverter Service Manual INSTALLATION 1 INDOOR UNIT INSTALLATION 1.1 Installation of Duct Type 1.1.1 Before Installation After receiving the machine, please check for any transport damage. If finding any surface or internal damage, please immediately report to the transport company or equipment company in writing. After receiving the machine, please check the unit and accessories in reference to the packing list.
  • Page 59 U-Match Series DC Inverter Service Manual Figure 3-1-1 Figure 3-1-2 Figure 3-1-3 Install the hanger onto the indoor unit as Figure 3-1-2 and Figure 3-1-3 shows. Install the indoor unit at the ceiling as Figure Figure 3-1-4 shows. Figure 3-1-4 Precautions for unfavorable installation: The preparation of all pipes (connecting pipes and drainage pipes) and cables (connecting lines of wire controller, indoor unit and outdoor unit) must be ready before the installation, so as to achieve...
  • Page 60 U-Match Series DC Inverter Service Manual Figure 3-1-5 1.1.4 Dimension Data For the units: 09~18k, 48k, 60k...
  • Page 61 U-Match Series DC Inverter Service Manual For the units: 24~42k Figure 3-1-6 Table 3-1-1 Item Model GFH09K3FI GFH12K3FI 1035 GFH18K3FI GFH24K3FI 1101 1002 1280 GFH30K3FI GFH36K3FI 1011 1115 1225 GFH42K3FI GFH48K3FI 1177 1150 1340 GFH60K3FI...

  • Page 62: Installation Clearance Data

    U-Match Series DC Inverter Service Manual Table 3-1-2 Installation Accessories List for Duct-type Indoor Unit Name & Shape Notes Installation and Operating Instructions Used for gas pipe connector on indoor Insulation materials for gas pipe unit Used for liquid pipe connector on indoor Insulation materials for liquid pipe unit Used for wrapping the condensate pipe...
  • Page 63 U-Match Series DC Inverter Service Manual (1) Install the drain hose with downward gradient (1/50 to 1/100) and no risers or traps are used for the hose. (Figure 3-1-8) (2) Be sure there is no crack or leak on the drain hose to avoid the formation of air pocket. (Figure 3-1-8) (3) When the hose is long, install supporters.
  • Page 64 U-Match Series DC Inverter Service Manual (5) Use a suitable drain hose, and see Table 3-2-4 for its size. (6) There is a drain port on both the left and right sides. Select the drain port to match the local conditions. (Figure 3-1-10) (7) When the unit is shipped from the factory, the drain port is defaulted to be the one on the left side (electric box side);...
  • Page 65 U-Match Series DC Inverter Service Manual Figure 3-1-15 a) The vertical height of the drain hose should be 75mm or less so that it is unnecessary for the drain port to withstand additional force. Figure 3-1-16 b) When multiple drain hoses are used, their installation should be performed as shown in the figure below.
  • Page 66 U-Match Series DC Inverter Service Manual Table 3-1-3 Supply Air Outlet Return Air Inlet Item Model GFH09K3FI GFH12K3FI GFH18K3FI GFH24K3FI GFH30K3FI GFH36K3FI 1000 GFH42K3FI 1000 GFH48K3FI GFH60K3FI 1.1.8 Installation of the Supply Air Duct (1) Installation of the Rectangular Duct. Name Name Hanger...

  • Page 67: Installation Of Floor Ceiling Type

    U-Match Series DC Inverter Service Manual (4) Connect one end of the return air duct to the return air outlet of the unit by rivets and the other to the return air louver. For the sake of the convenience to freely adjust the height, a cutting of canvas duct will be helpful, which can be reinforced and folded by 8# iron wire (5) More noise is likely to be produced in the bottom return air mode than the backward return air mode, so it is suggested to install a silencer and a static pressure box to minimize the noise.
  • Page 68 U-Match Series DC Inverter Service Manual corner of the room. (3) Leave service space around the unit as required in Figure 3-1-23.  Floor type  Ceiling type Figure 3-1-23 (4) Install the unit where the drain pipe can be easily installed. (5) The space from the unit to the ceiling should be kept as much as possible so as for more convenient service.
  • Page 69 U-Match Series DC Inverter Service Manual Figure 3-1-25 (4) Remove the screws shown on the picture. Push the side plate as per the arrowed direction and take it down. Figure 3-1-26 (5) Put the hanger bolt into the clasp of the indoor unit and tighten screws on the hanger to prevent the indoor unit from moving.
  • Page 70 U-Match Series DC Inverter Service Manual  Ceiling type Figure 3-1-28 (7) Adjust the height of the unit to make the drain pipe slant slightly downward so that the drainage will become much smoother. 1.2.4 Leveling The water level test must be done after installing the indoor unit to make the unit is horizontal, as shown below.
  • Page 71 U-Match Series DC Inverter Service Manual 1.2.5 Dimension Data Figure 3-1-30 Table 3-1-5 Unit: mm Model GTH09K3FI GTH12K3FI 1158 1220 GTH18K3FI GTH24K3FI GTH30K3FI 1354 GTH36K3FI 1420 GTH42K3FI GTH48K3FI 1634 1700 GTH60K3FI 1.2.6 Drain Piping Work 1.2.6.1 Precautions When Doing the Piping Work (1) Keep piping as short as possible and slope it downwards at a gradient of at least 1/100 so that air may not remain trapped inside the pipe.
  • Page 72 U-Match Series DC Inverter Service Manual Figure 3-1-31 (4) Connect the drain hose. (Figure 3-1-32) Figure 3-1-32 1.2.6.2 Installing the Drain Pipes (1) For determining the position of the drain hose, perform the following procedures. (2) Insert the drain pipe to the drain outlet of the unit and then tighten the clamp securely with tape. (Figure 3-1-33) (3) Connect the extension drain pipe to the drain pipe and then tighten the clamp with tape.
  • Page 73 U-Match Series DC Inverter Service Manual drawings. Note: Be sure to place the drain hose as shown in the diagram below, in a downward sloping direction. Figure 3-1-36 1.2.6.4 Testing of Drain Piping (1) After piping work is finished, check if drainage flows smoothly. (2) As shown in the figure, pour water into the drain pan from the right side to check that water flows smoothly from the drain hose.

  • Page 74: Installation Of Cassette Type

    U-Match Series DC Inverter Service Manual 1.3 Installation of Cassette Type 1.3.1 Before Installation After receiving the machine, please check for any transport damage. If finding any surface or internal damage, please immediately report to the transport company or equipment company in writing. After receiving the machine, please check the unit and accessories in reference to the packing list.
  • Page 75 U-Match Series DC Inverter Service Manual Figure 3-1-38 Table 3-1-6 Models H(mm) GKH12K3FI GKH18K3FI GKH24K3FI GKH30K3FI GKH36K3FI GKH42K3FI GKH48K3FI GKH60K3FI 1.3.3 Installing the Main Body Unit Figure 3-1-39 (1) Install the hoisting stand on the hoisting screw by using nuts and gaskets at both the upper and lower sides of the hoisting stand.
  • Page 76 U-Match Series DC Inverter Service Manual (2) Install the paper template on the unit, and fix the drain pipe at the outlet vent. (3) Adjust the unit to the best position. (4) Check if the unit is installed horizontally at four directions. If not, the water pump and the float switch would function improperly and even lead to water leakage.
  • Page 77 U-Match Series DC Inverter Service Manual 1.3.6 The Panel Installation (1) See the figure below for the relationship of the front panel and the connecting pipe. Figure 3-1-44 (2) Place the panel at the unit, and latch the hooks beside and opposite the swing flap motor. (3) Latch other two hooks.
  • Page 78 U-Match Series DC Inverter Service Manual (7) Improper screwing of the screws may cause the troubles shown in Figure 3-1-46. Figure 3-1-46 (8) If gap still exists between ceiling and decoration panel after tightening the screws, readjust the height of the indoor unit. (Figure 3-1-47) Figure 3-1-47 (9) Wire the swing flap motor as shown in Figure 3-1-48.
  • Page 79 U-Match Series DC Inverter Service Manual 1.3.7 Dimension Data Figure 3-1-49 Table 3-1-7 Item Model GKH12K3FI GKH18K3FI GKH24K3FI GKH30K3FI GKH36K3FI GKH42K3FI GKH48K3FI 1040 GKH60K3FI 1.3.8 Installation of Drain Piping (1) Keep piping as short as possible and slope it downwards at a gradient of at least 1/100 so that air may not remain trapped inside the pipe.
  • Page 80 U-Match Series DC Inverter Service Manual 1.3.9 Installing the Drain Pipes (1) Insert the drain pipe to the drain outlet of the unit and then tighten the clamp securely with tape. (2) Connect the extension drain pipe to the drain pipe and then tighten the clamp with tape. Tighten the clamp until the screw head is less Insulate the pipe clamp and the drain hose then 4 mm from the hose.
  • Page 81 U-Match Series DC Inverter Service Manual The horizontal pipe cannot be connected to the vertical pipe at a same height. It can be connected in a manner as shown below: NO.1: Attach the 3-way connection of the drainage pipe joint as shown in Figure 3-1-55. NO.2: Attach the drain elbow as shown in Figure 3-1-56.
  • Page 82 U-Match Series DC Inverter Service Manual Figure 3-1-59 (5) The incline of attached drain hose should be 75 mm or less so that the drain outlet does not have to withstand additional force. Figure 3-1-60 1.3.11 Testing of Drain Piping After piping work is finished, check if drainage flows smoothly.

  • Page 83: Outdoor Unit Installation

    U-Match Series DC Inverter Service Manual 2 OUTDOOR UNIT INSTALLATION 2.1 Before Installation After receiving the machine, please check for any transport damage. If finding any surface or internal damage, please immediately report to the transport company or equipment company in writing. After receiving the machine, please check the unit and accessories in reference to the packing list.

  • Page 84: Caution For Installation

    U-Match Series DC Inverter Service Manual Figure 3-2-1 2.3 Caution for Installation The outdoor unit shall be so installed that the air discharged out of the outdoor unit will not flow back and that enough space shall be maintained around the machine for repair; The installing position shall be in good ventilation, so that the machine can breathe and exhaust enough air.

  • Page 85: Dimension Data

    U-Match Series DC Inverter Service Manual 2.4 Dimension Data Figure 3-2-2 Table 3-2-1 Unit: mm Item Model GUHD09NK3FO GUHD12NK3FO GUHD18NK3FO GUHD24NK3FO GUHD30NK3FO GUHD36NK3FO 1105 1100 GUHD36NM3FO GUHD42NM3FO GUHD42NK3FO 1350 GUHD48NK3FO GUHD48NM3FO GUHD60NM3FO 1085 1365...

  • Page 86: Refrigeration Piping Work

    U-Match Series DC Inverter Service Manual 3 REFRIGERATION PIPING WORK 3.1 Refrigeration Piping Work Procedures and Caution in Connecting 3.1.1 Flare Processing (1) Cut the connection pipe with the pipe cutter and remove the burrs. (2) Hold the pipe downward to prevent cuttings from entering the pipe. (3) Remove the flare nuts at the stop valve of the outdoor unit and inside the accessory bag of the indoor unit, then insert them to the connection pipe, after that, flare the connection pipe with a flaring tool.
  • Page 87 U-Match Series DC Inverter Service Manual CAUTION! ①. To prevent breaking of the pipe, avoid sharp bends. Bend the pipe with a radius of curvature of 150 mm or over. ②. If the pipe is bent repeatedly at the same place, it will break. 3.1.3 Connecting the Pipe at the Indoor Unit Side Detach the caps and plugs from the pipes.
  • Page 88 U-Match Series DC Inverter Service Manual Table 3-2-2 Flare nut tightening torque Pipe Diameter Tightening Torque 1/4〞(Inch) 15-30 (N· m) 3/8〞(Inch) 35-40 (N· m) 1/2〞(Inch) 45-50 (N· m) 5/8〞(Inch) 60-65 (N· m) 3/4〞(Inch) 70-75 (N· m) 7/8〞(Inch) 80-85 (N· m) CAUTION! Be sure to connect the gas pipe after connecting the liquid pipe completely.

  • Page 89: Vacuum And Gas Leakage Inspection

    U-Match Series DC Inverter Service Manual 3.1.7 Vacuum and Gas Leakage Inspection CAUTION! Do not purge the air with refrigerants but use a vacuum pump to vacuum the installation! There is no extra refrigerant in the outdoor unit for air purging! 3.1.7.1 Vacuum (1) Remove the caps of the liquid valve, gas valve and also the service port.

  • Page 90: Specification Of Connection Pipe

    Max. Pipe Max. Height Difference Drainage pipe(Outer Size of Fitting Pipe(Inch) Length between Indoor Unit and Diameter × wall thickness) Model Outdoor Unit (m) (mm) Liquid Φ17×1.75 GUHD09NK3FO Φ17×1.75 GUHD12NK3FO Φ17×1.75 GUHD18NK3FO Φ17×1.75 GUHD24NK3FO Φ17×1.75 GUHD30NK3FO Φ17×1.75 GUHD36NK3FO Φ17×1.75 GUHD42NK3FO Φ17×1.75...

  • Page 91: Electric Wiring Work

    U-Match Series DC Inverter Service Manual 4 ELECTRIC WIRING WORK 4.1 Wiring Precautions WARNING! ①. Before obtaining access to terminals, all supply circuits must be disconnected. ②. The rated voltage of the unit is as shown as Table 1-4-1 and Table 1-4-2 ③.
  • Page 92 ⑥. Always connect the ground wire. (4) Electric wiring between the indoor and outdoor units  Single-phase units (09k~30k) Duct Type Unit Floor Ceilling GUHD09NK3FO + GFH09K3FI+ GTH09K3FI GUHD12NK3FO+ GFH12K3FI+ GTH12K3FI+ GKH12K3FI Casssete Type Unit ①. Power cord 3×1.0 mm (H07RN-F) ②.
  • Page 93 U-Match Series DC Inverter Service Manual  Single-phase units (36k~48k) Duct Type Unit Floor Ceilling Casssete Type Unit GUHD36NK3FO+GFH36K3FI+ GTH36K3FI+ GKH36K3FI GUHD42NK3FO+GFH42K3FI+ GTH42K3FI+ GKH42K3FI ①. Power cord 3×4.0 mm (H07RN-F) ②. Power cord 3×1.0 mm (H05VV-F) ③. Communication Cords2×0.75 mm (H05VV-F) GUHD48NK3FO+GFH48K3FI+ GTH48K3FI+ GKH48K3FI ①.
  • Page 94 U-Match Series DC Inverter Service Manual (5) Electric wiring of indoor unit side Remove the electric box cover from the electric box sub-assy and then connect the wire.  Duct Type Unit： Figure 3-2-10 The F, C, O connect to the COMMOM, CLOSE and OPEN terminal of the fresh air valve respectively.

  • Page 95: Single Phase

    U-Match Series DC Inverter Service Manual CAUTION! ①. The power cord and the wire of the fresh air valve are high-voltage, while the communication cord and connection wire of the wired controller are low-voltage. They should run separately against electromagnetic interference. ②.
  • Page 96 U-Match Series DC Inverter Service Manual MAINTENANCE...

  • Page 97: Maintenance

    U-Match Series DC Inverter Service Manual MAINTENANCE 1 TROUBLE TABLE 1.1 Main Control Malfunction Table 1 Fault Display on Indoor Wired Controller Origin of Error Malfunction malfunction Control description code name signal When outdoor unit detects the high pressure switch is cut off for 3s successively, high pressure protection will occur.
  • Page 98 U-Match Series DC Inverter Service Manual Origin of Error Malfunction malfunction Control description code name signal If the outdoor condenser temperature sensor is detected of open circuit Malfunction of or short circuit for 5s successively, condenser temperature sensor Condenser condenser malfunction will be reported.
  • Page 99 U-Match Series DC Inverter Service Manual 1.2 Description of Drive Malfunction Main board dual 8 numeral tube Display Codes for Outdoor Unit of 09~48k Outdoor unit display of Malfunction Item Indoor Unit Display dual 8 numeral tube DC busbar over-voltage protection IPM or PFC over-temperature protection Current sense circuit error IPM or PFC temperature sensor error...

  • Page 100: Flow Chart Of Troubleshooting

    U-Match Series DC Inverter Service Manual 2 FLOW CHART OF TROUBLESHOOTING 2.1 Troubleshooting Flow Chart of Main Control Malfunction  E1 High Pressure Protection  E2 Freeze Protection Freeze protection is normal protection but not abnormal malfunction. If freeze protection occurs frequently during operation, please check if the indoor filter is with filth blockage or if the indoor air outlet is abnormal.
  • Page 101 U-Match Series DC Inverter Service Manual  E3 stands for three statuses: (1) Low pressure protection (48k/60k); (2) Refrigerant lacking protection; (3) Refrigerant recycling mode; ① If enter refrigerant recycling mode through special operation, the displayed E3 is not an error code.
  • Page 102 U-Match Series DC Inverter Service Manual  E4 Discharge Protection  E6 Communication Malfunction...
  • Page 103 U-Match Series DC Inverter Service Manual  E9 Full Water Protection E9 protection Short circuit the full water If the unit is protection interface on indoor installed with mainboard according to the circuit water pump diagram Check if the water pump Replace the water pump works normally Replace the full water switch...
  • Page 104 U-Match Series DC Inverter Service Manual  F1 Malfunction of Evaporator Temperature Sensor  F2 Malfunction of Condenser Temperature Sensor...
  • Page 105 U-Match Series DC Inverter Service Manual  F3 Malfunction of Outdoor Ambient Temperature Sensor  F4 Malfunction of Discharge Temperature Sensor...
  • Page 106 U-Match Series DC Inverter Service Manual  F5 Malfunction of Wired Controller Temperature Sensor  H6 Malfunction of Outdoor Fan Motor...

  • Page 107: Troubleshooting Flow Chart Of Drive Malfunction

    U-Match Series DC Inverter Service Manual  E8 Malfunction of Indoor Fan Motor 2.2 Troubleshooting Flow Chart of Drive Malfunction Note: For Outdoor Unit Drive (Inverter) by Single-phase Motor (Applicable to GUHD09NK3FO/GUHD12NK3FO/GUHD18NK3FO/GUHD24NK3FO /GUHD30NK3FO/GUHD36NK3FO/GUHD42NK3FO/GUHD48NK3FO/GUHD36NM3FO /GUHD42NM3FO/ GUHD48NM3FO/GUHD60NM3FO)  P0 Drive module reset ...
  • Page 108 U-Match Series DC Inverter Service Manual  P8 IPM or PFC over-temperature protection  PH DC busbar over-voltage protection  PL DC busbar under-voltage protection...
  • Page 109 U-Match Series DC Inverter Service Manual  P6 Drive-to-main-control communication error  Lc Compressor Startup Failure  P5 Compressor current protection  H7 Compressor motor desynchronizing  H5 IPM protection  Ld Phase loss...
  • Page 110 U-Match Series DC Inverter Service Manual  PU Charging circuit error  ee driving board chip error ee is displayed on the wired controller Replace the driving board Work Normally...
  • Page 111 U-Match Series DC Inverter Service Manual  H6 DC fan error...

  • Page 112: Interface

    U-Match Series DC Inverter Service Manual 2.3 Interface  GUHD09NK3FO/GUHD12NK3FO Main Control board Printing Interface Printing Interface LX_2 PFC reactor wire (yellow) LX_1 PFC reactor wire (white) Compressor Phase W Compressor Phase V Compressor Phase U DC-BUS (Reserved) DC_MOTOR (Reserved)
  • Page 113 U-Match Series DC Inverter Service Manual  GUHD18NK3FO/GUHD24NK3FO/GUHD30NK3FO/GUHD36NK3FO/GUHD42NK3FO /GUHD48NK3FO/GUHD36NM3FO/GUHD42NM3FO/GUHD48NM3FO/GUHD60NM3FO Main Control Board SILK-SCREEN INTERFACE INTERFACE INSTRUCTION AC-L Live wire input Live wire input AC-N Neutral wire input Neutral wire input Power supply interface to the drive Control power output[1- DC bus PWR 1 1-pin: DC bus voltage voltage,3- GND]...
  • Page 114 U-Match Series DC Inverter Service Manual High pressure switch for fan speed Pressure protection switch for fan speed H-PRESS adjustment adjustment High pressure switch for Interface of high pressure protection systemprotection(obligate) Low pressure switch for system Interface of low pressure protection protection (obligate) OVC-COMP Compressor overload protection...
  • Page 115 U-Match Series DC Inverter Service Manual (2) Filtering Board No. Printing Interface Printing Interface Neutral wire output 1 (white) (only for N-OUT1 N-OUT Neutral wire output (white) 18k) L-OUT Live wire output (red) Grounding wire (Reserved) AC-L Live wire input (red) AC-N Neutral wire input (white) ...
  • Page 116 U-Match Series DC Inverter Service Manual (2) Filtering Board: Printing Interface Printing Interface N-OUT Neutral wire output (white) L-OUT Live wire output (red) DC bus interface (connect to drive DC-BUS AC-L Live wire input (red) board) Neutral wire input (white) (Reserved) Grounding wire (screw hole)

  • Page 117: Ipm, Pfc Testing Method

    U-Match Series DC Inverter Service Manual  GUHD36NM3FO/GUHD42NM3FO/GUHD48NM3FO/GUHD60NM3FO (1) Drive Board: No. Terminal name Corresponding function instruction No. Terminal name Corresponding function instruction Communication interface [1-3.3V, Connect to PFC reactor 1 outlet line COMM 2-TX, 3-RX, 4-GND] (connect to L1-2 main control board COMM1) Power interface [1-310VDC, 3-GND] Connect to PFC reactor 2 outlet line...
  • Page 118 U-Match Series DC Inverter Service Manual (2) Filtering Board: No. Terminal name Interface instruction No. Terminal name Interface instruction Power output wire L2-F Complete unit power input wire AC-L1 (connect to drive board L2-F) Power output wire L3-F Complete unit power input wire AC-L2 (connect to drive board L3-F) Power output neutral wire N-F Complete unit power input wire AC-L3...
  • Page 119 (3) If the measured voltages between L1-2P, L2-1 P, N L1-2, NL2-1 are all among 0.3V-0.7V, then it indicates the PFC module is normal; If any measured valve is 0, it indicates the PFC is damaged.  GUHD09NK3FO/GUHD12NK3FO  GUHD18NK3FO/GUHD24NK3FO/GUHD30NK3FO/GUHD36NK3FO/GUHD42NK3FO/GUHD3 6NM3FO/ GUHD42NM3FO...
  • Page 120 U-Match Series DC Inverter Service Manual  GUHD48NK3FO/GUHD48NM3FO/GUHD60NM3FO...

  • Page 121: Wiring Diadram

    U-Match Series DC Inverter Service Manual 3 WIRING DIADRAM 3.1 Outdoor unit The actual wiring should always refer to the wiring diagram of the unit. Model: GUHD09NK3FO, GUHD12NK3FO Model: GUHD18NK3FO...
  • Page 122 U-Match Series DC Inverter Service Manual Model: GUHD24NK3FO, GUHD30NK3FO Model: GUHD36NK3FO...
  • Page 123 U-Match Series DC Inverter Service Manual Model: GUHD42NK3FO Model: GUHD48NK3FO...
  • Page 124 U-Match Series DC Inverter Service Manual Model: GUHD36NM3FO Model: GUHD42NM3FO...
  • Page 125 U-Match Series DC Inverter Service Manual Model: GUHD48NM3FO Model: GUHD60NM3FO...

  • Page 126: Indoor Unit

    U-Match Series DC Inverter Service Manual 3.2 Indoor unit The actual wiring should always refer to the wiring diagram of the unit. 3.2.1 Duct Type  Model: GFH09K3FI, GFH12K3FI, GFH18K3FI, GFH24K3FI, GFH30K3FI, GFH36K3FI, GFH42K3FI  Model: GFH48K3FI，GFH60K3FI...
  • Page 127 U-Match Series DC Inverter Service Manual 3.2.2 Floor Ceiling Type  Model: GTH09K3FI, GTH12K3FI, GTH18K3FI, GTH24K3FI, GTH30K3FI, GTH36K3FI, GTH42K3FI, GTH48K3FI，GTH60K3FI 3.2.3 Cassette Type  Model: GKH12K3FI, GKH18K3FI...
  • Page 128 U-Match Series DC Inverter Service Manual  Model: GKH24K3FI, GKH30K3FI  Model: GKH36K3FI, GKH42K3FI...
  • Page 129 U-Match Series DC Inverter Service Manual  Model: GKH48K3FI，GKH60K3FI...

  • Page 130: Disassembly And Assembly Procedure Of Main Parts

    U-Match Series DC Inverter Service Manual 4. DISASSEMBLY AND ASSEMBLY PROCEDURE OF MAIN PARTS 4.1 Outdoor Unit  09/12k Disassembly and Assembly of external casing Remark : Step Illustration Handling Instruction 1. Remove the top cover and 1. Remove external handle;...
  • Page 131 U-Match Series DC Inverter Service Manual 1. Fix the new compressor on to the chassis; 2. Connect the suction port and discharge port of compressor with the system pipes; 3. Properly connect the 4. Assemble pwoer cord of compressor; compressor 4.
  • Page 132 U-Match Series DC Inverter Service Manual 1. Discharge the refrigerant inside the pipeline and recycle the refrigerant during discharging; 2. Unsolder the 4-way valve 3. Remove compressor assy from compressor; 3. Remove the nut fixing compressor; 4. Take away the compressor from chassis.
  • Page 133 U-Match Series DC Inverter Service Manual 1. Discharge the refrigerant inside the pipeline and recycle the refrigerant during discharging; 2. Unsolder the 4-way valve 3. Remove compressor assy from compressor; 3. Remove the nut fixing compressor; 4. Take away the compressor from chassis.
  • Page 134 U-Match Series DC Inverter Service Manual 1. Discharge the refrigerant inside the pipeline and recycle the refrigerant during discharging; 3. Remove gas liquid 2. Unsolder the 4-way valve separator assy from gas liquid separator; 3. Remove the gas liquid separator. 1.
  • Page 135 U-Match Series DC Inverter Service Manual 1. Remove the blade nut and then remove the blade; 2. Remove motor 2. Remove the motor from motor support. 1. Discharge the refrigerant inside the pipeline and recycle the refrigerant during discharging; 3. Remove gas liquid 2.

  • Page 136: Indoor Unit

    U-Match Series DC Inverter Service Manual 4.2 Indoor Unit 4.2.1 Duct type Removal and Assembly of Fan Motor Remarks: Before removing the fan, make sure to cut off the power firstly. Step Illustration Handling Instruction Cut off the power supply of indoor unit.
  • Page 137 U-Match Series DC Inverter Service Manual 7. Assemble the unit in Assemble the unit in reverse reverse to the to the disassembly disassembly procedures and energize it procedures for testing. Disassembly of filter screen for return air. Remark: Make sure that the power supply is cut off before disassembling and protect all the parts during disassembly.
  • Page 138 U-Match Series DC Inverter Service Manual Disassemble the fastening screws on the water-containing plate, pull 2. Disassembly of upward and remove the water-containing plate water-containing plate. Disassembled water-containing plate is shown in the graph. Disassembly of fan and motor Remark: Make sure that the power supply is cut off before disassembling and protect all the parts during disassembly.
  • Page 139 U-Match Series DC Inverter Service Manual Remove the evaporator. 3. Removal of Removed evaporator is evaporator shown in the graph. 4.2.2 Cassette-type Unit Removal and Assembly of Fan Motor Step Illustration Handling Instruction Use screwdriver to loosen 1. Loosen the screws the screws fixing the water fixing the water tray tray...
  • Page 140 U-Match Series DC Inverter Service Manual 5. Loosen the screws Use screwdriver to loosen fixing the motor the screws fixing the motor 6. Remove the motor Remove the motor and and replace it replace it 7. Tighten the screws Use screwdriver to tighten fixing the motor the screws fixing the motor.
  • Page 141 U-Match Series DC Inverter Service Manual 2. Remove the water Remove the water pump tray and replace it. 3. Pull out the water Pull out the water outlet outlet pipe and loosen pipe and use screwdriver the screws fixing the to loosen the screws fixing water pump.
  • Page 142 U-Match Series DC Inverter Service Manual 4.2.3 Floor Ceiling Type  Model: GTH30K3FI~GTH42K3FI Disassembly of panel grating module Remark: Make sure that the power supply is cut off before disassembling and protect all the parts during disassembly. Do not put filter screen near the high temperature heat source. Step Illustration Handling Instruction...
  • Page 143 U-Match Series DC Inverter Service Manual Disassembly of air deflecting plate modules Remark: Make sure the power supply is cut off before disassembling and protect all the parts during disassembly, especially the joints of the air deflecting plate. Step Illustration Handling Instruction ●Remove the air deflecting plates from the air...
  • Page 144 U-Match Series DC Inverter Service Manual Disassembly of fan and motor components Remark: Make sure that the power supply is cut off before disassembling and protect all the parts during disassembly, especially the fastening screws for fans. Step Illustration Handling Instruction ●Press the buckle at the joints of front and back scroll cases with hands...
  • Page 145 U-Match Series DC Inverter Service Manual  Model: GTH09K3FI~GTH24K3FI, GTH48K3FI, GTH60K3FI Disassembly of panel grating module Remark: Make sure that the power supply is cut off before disassembling and protect all the parts during disassembly. Do not put filter screen near the high temperature heat source. Step Illustration Handling Instruction...
  • Page 146 U-Match Series DC Inverter Service Manual Disassembly of air deflecting plate modules Remark: Make sure the power supply is cut off before disassembling and protect all the parts during disassembly, especially the joints of the air deflecting plate. Step Illustration Handling Instruction ●Remove the air deflecting plates from...
  • Page 147 U-Match Series DC Inverter Service Manual Disassembly of fan and motor components Remark: Make sure that the power supply is cut off before disassembling and protect all the parts during disassembly, especially the fastening screws for fans. Step Illustration Handling Instruction ●Press the buckle at the joints of front and back scroll cases with hands...
  • Page 148 U-Match Series DC Inverter Service Manual Disassembly of right and left fixing plates Remark: Make sure that the power supply is cut off before disassembling and protect all the parts during disassembly. Step Illustration Handling Instruction ●Disassemble the bolts on right and left fixing Disassembly of right plates with tools.

  • Page 149: Exploded Views And Spare Part List

    U-Match Series DC Inverter Service Manual 5 EXPLODED VIEWS AND SPARE PART LIST 5.1 Outdoor Unit  Model: GUHD09NK3FO/GUHD12NK3FO Exploded Views and spare parts list:...
  • Page 150 U-Match Series DC Inverter Service Manual GUHD09NK3FO GUHD12NK3FO Name of Part Product Code CF090W0630 Product Code CF090W0640 Part Code Quantity Part Code Quantity Front Grill 22413433 '22413433 Front Panel 0153303204P '0153303204P Axial Flow Fan '10333012 '10333012 Brushless DC Motor 15709400007...
  • Page 151 U-Match Series DC Inverter Service Manual  Model: GUHD18NK3FO Exploded Views and spare parts list:...
  • Page 152 U-Match Series DC Inverter Service Manual GUHD18NK3FO Name of Part Product Code CF090W0650 Part Code Quantity Front Grill '22415002 Front Panel 01535013 Axial Flow Fan '10335008 Fan Motor 1570280204 Chassis Sub-assy 01195200015P Drainage Connecter '06123401 Electrical Heater '7651300403 Motor Support Assy 01805200173 Compressor Overload '00180030...
  • Page 153 U-Match Series DC Inverter Service Manual  Model: GUHD24NK3FO/ GUHD30NK3FO Exploded Views and spare parts list:...
  • Page 154 U-Match Series DC Inverter Service Manual GUHD24NK3FO GUHD30NK3FO Name of Part Product Code CF090W0660 Product Code CF090W0670 Part Code Quantity Part Code Quantity Front Grill '22415003 '22415003 Cabinet '01435004P '01435004P Axial Flow Fan 10335014 '10335014 Front Side Plate '01305086P '01305086P Fan Motor '15702802 '15702802...
  • Page 155 U-Match Series DC Inverter Service Manual  Model: GUHD36NK3FO Exploded Views and spare parts list:...
  • Page 156 U-Match Series DC Inverter Service Manual GUHD36NK3FO Name of Part Product Code CF090W0680 Part Code Quantity Front Grill '22415005 Handle '26235253 Cabinet '01435007P Front Side Plate Sub-Assy '01305508 Chassis Sub-Assy '01195315P Drainage Joint '26113009 Electrical Heater(Compressor) '7651873209 Clapboard Sub-Assy '01245253 Compressor Gasket '76713066 Compressor...
  • Page 157 U-Match Series DC Inverter Service Manual  Model: GUHD42NK3FO Exploded Views and spare parts list:...
  • Page 158 U-Match Series DC Inverter Service Manual GUHD42NK3FO Name of Part Product Code CF090W0700 Part Code Quantity Front Grill '01575200001 Diversion Circle '10474100001 Cabinet '01514100002P Handle '26235253 Front Side Plate '01314100021P Axial Flow Fan '10434100003 Fan Motor '15704115 Motor Support Sub-Assy '01805200185 Compressor Gasket '76713066...
  • Page 159 U-Match Series DC Inverter Service Manual  Model: GUHD48NK3FO Exploded Views and spare parts list:...
  • Page 160 U-Match Series DC Inverter Service Manual GUHD48NK3FO Name of Part Product Code CF090W0720 Part Code Quantity Front Grill '01575200001 Diversion Circle '10474100001 Cabinet '01514100002P Handle '26235253 Front Side Plate '01314100021P Axial Flow Fan '10434100003 Fan Motor '15704115 Motor Support Sub-Assy '01805200202 Chassis Sub-assy '01195200020P...

  • Page 161: Indoor Unit

    U-Match Series DC Inverter Service Manual 5.2 Indoor Unit 5.2.1 Duct Type  Model: GFH09K3FI exploded view and spare parts list...
  • Page 162 U-Match Series DC Inverter Service Manual GFH09K3FI Name of Part Product Code CF060N0420 Part Code Quantity Top Cover Board Assy '01264176 Electric Box Cover '01425200050 Left Side Plate Assy '01315200072 Electric Box Assy '01395200239 Main Board '30224000030 Terminal Board '42010194 Terminal Board '4201025301 Left Evaporator Support...
  • Page 163 U-Match Series DC Inverter Service Manual  Model: GFH12K3FI/GFH18K3FI exploded view and spare parts list...
  • Page 164 U-Match Series DC Inverter Service Manual GFH12K3FI GFH18K3FI Name of Part Product Code CF060N0430 Product Code CF060N0440 Part Code Quantity Part Code Quantity Bottom Cover Plate '01265409 '01265409 Cover Of Air-In '01258650 '01258650 Propeller Housing '22202029 '22202029 Centrifugal fan '10319051 '10319051 Left Side Plate Sub-Assy '01315200062...
  • Page 165 U-Match Series DC Inverter Service Manual  Model: GFH24K3FI/GFH30K3FI exploded view and spare parts list...
  • Page 166 U-Match Series DC Inverter Service Manual GFH24K3FI GFH30K3FI Name of Part Product Code CF060N0450 Product Code CF060N0460 Part Code Quantity Part Code Quantity Blower '15012454 '15012454 Blower Mounting Plate ` 01325200039 '01325200039 Sub-Assy Supporter '01805200164 '01805200164 Supporter ` 01804100140 '01804100140 Brushless DC Motor '15705200006 '15705200006...
  • Page 167 U-Match Series DC Inverter Service Manual  Model: GFH36K3FI/GFH42K3FI exploded view and spare parts list...
  • Page 168 U-Match Series DC Inverter Service Manual GFH36K3FI GFH42K3FI Name of Part Product Code CF060N0470 Product Code CF060N0480 Part Code Quantity Part Code Quantity Main Board '30224000030 '30224000030 Terminal Board '42010194 '42010194 Terminal Board '4201025301 '4201025301 Hook '02112466 '02112466 Top Cover Board Assy '01265200086 '01265200086 Electric Box Assy...
  • Page 169 U-Match Series DC Inverter Service Manual  Model: GFH48K3FI exploded view and spare parts list...
  • Page 170 U-Match Series DC Inverter Service Manual GFH36K3FI Name of Part Product Code CF060N0490 Part Code Quantity Display Board '30294000007 Temperature Sensor ` 3900012128 Tube Sensor ` 3900012123 Left Side Plate Sub-Assy '01315200064 Propeller Housing(Upper) '26905200010 Front Side Plate '01315200080 Centrifugal Fan '10425200002 Brushless DC Motor '15709400008...
  • Page 171 U-Match Series DC Inverter Service Manual 5.2.2 Cassette Type  Model: GKH12K3FI/GKH18K3FI exploded view and spare parts list.
  • Page 172 U-Match Series DC Inverter Service Manual GKH18K3FI GKH12K3FI ET010N067 Name of Part Product Code ET010N0680 Product Code Part Code Quantity Part Code Quantity Rear Grill '26909400007 '26909400007 Brushless DC Motor '15709400004 '15709400004 Water Tray Assy '01289400004 '01289400004 Water Pump '43138000024 '43138000024 Supporter '01809400005...
  • Page 173 U-Match Series DC Inverter Service Manual  Model: GKH24K3FI/GKH30K3FI/GKH36K3FI/GKH42K3FI exploded view and spare parts list.
  • Page 174 U-Match Series DC Inverter Service Manual GKH24K3FI GKH30K3FI Name of Part Product Code ET010N0690 Product Code ET010N0740 Part Code Quantity Part Code Quantity Electric Box Cover '20122054 '20122054 Sub-Assy1 Electric Box Assy '01399400057 '01399400057 Terminal Board '4201025801 '4201025801 Terminal Board '4201025301 '4201025301 Electric Base Plate...
  • Page 175 U-Match Series DC Inverter Service Manual GKH36K3FI GKH42K3FI Name of Part Product Code ET010N0700 Product Code ET010N0710 Part Code Quantity Part Code Quantity Electric Box Cover '20122054 '20122054 Sub-Assy1 Electric Box Assy '01399400057 '01399400057 Terminal Board '4201025301 '4201025301 Terminal Board '4201025301 '4201025301 Electric Base Plate...
  • Page 176 U-Match Series DC Inverter Service Manual  Model: GKH48K3FI/GKH60K3FI exploded view and spare parts list.
  • Page 177 U-Match Series DC Inverter Service Manual GKH48K3FI Name of Part Product Code ET010N0720 Part Code Quantity Electric Box Cover Plate '01429423P Electric Box Assy '01399400074 Terminal Board '4201025801 Terminal Board '4201025301 Main Board '30224000028 Drain Pan Assy '01289400002 Centrifugal Fan '10429401 Evaporator Assy '01029400054...
  • Page 178 U-Match Series DC Inverter Service Manual 5.2.3 Floor Ceiling Type  Model: GTH09K3FI/GTH12K3FI/GTH18K3FI/GTH24K3FI exploded view and spare parts list.
  • Page 179 U-Match Series DC Inverter Service Manual GTH09K3FI GTH12K3FI Name of Part Product Code ED020N0650 Product Code ED020N0660 Part Code Quantity Part Code Quantity Tube Sensor '390001923 '390001923 Room Sensor '39000191 '39000191 Connection Board '02229406 '02229406 Right Cover Plate '26909444 '26909444 Plate Board of Water '26909442 '26909442...
  • Page 180 U-Match Series DC Inverter Service Manual GTH18K3FI GTH24K3FI Name of Part Product Code ED020N0670 Product Code ED020N0680 Part Code Quantity Part Code Quantity Tube Sensor '390001923 '390001923 Room Sensor '39000191 '39000191 Connection Board '02229406 '02229406 Right Cover Plate '26909444 '26909444 Plate Board of Water '26909442 '26909442...
  • Page 181 U-Match Series DC Inverter Service Manual  Model: GTH30K3FI/GTH36K3FI/GTH42K3FI exploded view and spare parts list. GTH30K3FI GTH36K3FI Name of Part Product Code ED020N0690 Product Code ED020N0700 Part Code Quantity Part Code Quantity Drain Pipe Sub-Assy '05235434 '05235434 Tube Sensor '390001923 '390001923 Room Sensor '39000191...
  • Page 182 U-Match Series DC Inverter Service Manual Guide Louver '26909432 '26909432 Rotating Shaft '26909430 '26909430 Front Connection Board '12509424 '12509424 Foam Assy Front Connection Board '01349408P '01349408P Supporter '26909409 '26909409 Rear Side Plate Assy 01319400005 '01319400005 Fixed Mount '26909426R '26909426R Display Board '30294000009 '30294000009 Evaporator Assy...
  • Page 183 U-Match Series DC Inverter Service Manual Installation Supporting Frame '01809402 Connection Board '02229406 Right Side Plate Sub-Assy '01319408 Right Foam Assy '12509425 Axile Bush '10542704 Plate Board of Water Releasing '26909442 Flume Water Releasing Flume '26909441 Connection Board '01349413 Guide Louver '26909432 Rotating Shaft '26909430...
  • Page 184 U-Match Series DC Inverter Service Manual  Model: GTH48K3FI/GTH60K3FI exploded view and spare parts list. GTH48K3FI Name of Part Product Code ED020N0720 Part Code Quantity Water Tray Assy '01289401 Tube Sensor '3900020720G Room Sensor '39000191 Remote Controller '305100413W Air Louver '26909418 Right Cover Plate '26909422...
  • Page 185 U-Match Series DC Inverter Service Manual Supporter '26909409 Water Releasing Flume '26909441 Front Connection Board Foam Assy '12509434 Guide Louver '10619405 Front Connection Board '01349404P Display Board '30294000009 Fixed Mount '26909426R Evaporator Assy '0102947101 Stepping Motor '1521240206 Left Foam Assy '12509437 Rear Side Plate Sub-Assy '01319442...
  • Page 186 JF00301816...

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