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Gree GUD35W/NhA-T Service Manual

U-match 5 series unit
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See also: Owner's Manual
U-Match 5 SERIES UNIT SERVICE MANUAL
Capacity: 3.5KW~16.0KW
Rate Frequency: 50/60Hz
Operation Range: -20° C~48℃
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Summary of Contents for Gree GUD35W/NhA-T

  • Page 1 U-Match 5 SERIES UNIT SERVICE MANUAL Capacity: 3.5KW~16.0KW Rate Frequency: 50/60Hz Operation Range: -20° C~48℃...
  • Page 2 Foreword Thank you for choosing Gree U-Match air conditioners. In order to correctly install and use our units, and for the satisfactory operation effect, please read this manual carefully. This manual specifies safe operation requirements from perspectives of product introduction, control, troubleshooting and maintenance, as well as basic principles and implementation methods.

  • Page 3: Table Of Contents

    CONTENTS 1. SAFETY NOTICE ON MAINTENANCE ......................1 2. SAFETY NOTICE ON OPERATION ....................... 2 1. PRODUCT INTRODUCTION ..........................3 1.1 Lists of Units ..................................3 1.1.1 List of ODUs ..................................3 1.1.2 List of IDUs ..................................4 1.2 Electrical Parameters ................................ 8 2.
  • Page 4 3.4 Troubleshooting ................................41 3.4.1 ―E1‖ Compressor High Pressure Protection ........................ 41 3.4.2 ―E2‖ Indoor Anti-freezing Protection ..........................42 3.4.3 ―E3‖ Compressor Low-pressure Protection, Refrigerant Shortage Protection, Refrigerant Recovery Mode ..43 3.4.4 ―E4‖ Compressor Air Discharge High-temperature Protection .................. 44 3.4.5 ―E6‖...
  • Page 5 4.4 Maintenance of Major Components ..........................78 4.5 Removal of Major Components............................78 4.5.1 Removal of ODU Major Components ........................... 78 4.5.2 Removal of IDU Major Components ........................... 114 4.6 Explosive View and Lists of Parts ........................... 125 4.6.1 ODU Explosive View and Lists of Parts ........................125 4.6.2 IDU Explosive View and Lists of Parts ........................

  • Page 6: Safety Notice On Maintenance

    GREE U-Match 5 SERIES UNIT SERVICE MANUAL 1. Safety Notice on Maintenance PROHIBITED： Do not pierce or burn. Please note that refrigerant may be odorless. The appliance shall be stored in a room without continuously operating ignition sources (For example: open flames, an operating gas appliance or an operating electric heater).

  • Page 7: Safety Notice On Operation

    GREE U-Match 5 SERIES UNIT SERVICE MANUAL OBSERVED： After the maintenance work is done, check the drainage of indoor unit. Do not tilt the unit, otherwise, water may spill out from the unit and make the floor and furniture wet.

  • Page 8: Product Introduction

    GREE U-Match 5 SERIES UNIT SERVICE MANUAL 1. Product Introduction 1.1 Lists of Units 1.1.1 List of ODUs Power Supply Model Finished Product Code Appearance V/Ph/Hz GUD35W/NhA-T CF090W1310 GUD50W/NhA-T CF090W1210 GUD71W/NhA-T CF090W1220 220-240V 1N~50Hz 208-230V 1N~60Hz GUD85W/NhA-T CF090W1230 GUD100W/NhA-T CF090W1240...

  • Page 9: List Of Idus

    GREE U-Match 5 SERIES UNIT SERVICE MANUAL Note: 1 Ton =12000Btu/h = 3.517kW If one outdoor unit is to be connected with multiple indoor units, the indoor units must have the same cooling capacity and be of the same type.
  • Page 10 GREE U-Match 5 SERIES UNIT SERVICE MANUAL Rated Power Supply Cooling/ Finished Model Appearance Hating Product Code V/Ph/Hz Capacity (kw) GUD100PH/A-T 10.0/12.0 CF022N1590 GUD125PH/A-T 12.1/13.5 CF022N1570 GUD140PH/A-T 13.4/15.5 CF022N1550 GUD160PH/A-T 16.0/17.0 CF022N1530 GUD35PS/A-T 3.5/4.0 CF022N1640 220-240V 1N~50Hz Duct Type 208-230V 1N~60Hz GUD50PS/A-T 5.0/5.5...
  • Page 11 GREE U-Match 5 SERIES UNIT SERVICE MANUAL Rated Power Supply Cooling/ Finished Model Appearance Hating Product Code V/Ph/Hz Capacity (kw) GUD125PHS/A 12.1/13.5 CF022N1560 220-240V 1N~50Hz Duct Type GUD140PHS/A 208-230V 1N~60Hz 13.4/15.5 CF022N1540 GUD160PHS/A 16.0/17.0 CF022N1520 GUD35ZD/A-T 3.5/4.0 ED020N1720 GUD50ZD/A-T 5.0/5.5...
  • Page 12 GREE U-Match 5 SERIES UNIT SERVICE MANUAL Rated Power Supply Cooling/ Finished Model Appearance Hating Product Code V/Ph/Hz Capacity (kw) GUD125ZD/A-T 12.1/13.5 ED020N1690 Floor 220-240V 1N~50Hz Ceiling 13.4/15.5 GUD140ZD/A-T ED020N1700 208-230V 1N~60Hz Type GUD160ZD/A-T 16.0/17.0 ED020N1710 Note: The outdoor unit is generally suitable to any one of the three types of indoor units with no need of change (limited to cassette...

  • Page 13: Electrical Parameters

    GREE U-Match 5 SERIES UNIT SERVICE MANUAL 1.2 Electrical Parameters Circuit breaker Min. sectional area of Power supply capacity power cord Model V/Ph/Hz GUD35W/NhA-T GUD50W/NhA-T GUD71W/NhA-T 220-240V 1N~50Hz GUD85W/NhA-T 208-230V 1N~60Hz GUD100W/NhA-T GUD125W/NhA-T GUD140W/NhA-T GUD100W/NhA-X GUD125W/NhA-X 380-415V 3N~50Hz/60Hz GUD140W/NhA-X GUD160W/NhA-X Circuit Breaker Min.

  • Page 14: Control

    GREE U-Match 5 SERIES UNIT SERVICE MANUAL 2. Control 2.1 Operation Mode 2.1.1 Cooling Mode Power on Cooling start control Indoor fan run Satisfying open Comp .condition Comp . and Comp . stop outdoor fan for 3 min Temp of Comp .

  • Page 15: Heating Mode

    GREE U-Match 5 SERIES UNIT SERVICE MANUAL 2.1.2 Heating Mode Power on Heating start control Satisfying open Comp.condition Comp. and outdoor fan Comp. and Comp. stop outdoor fan for 3 min stop Avoid cool wind indoor fan run for 1 min...

  • Page 16: Special Control

    GREE U-Match 5 SERIES UNIT SERVICE MANUAL 2.2.1.3 Outdoor Fan Control This series air conditioner has two types of outdoor units: one with a single fan and the other with double fans. The outdoor fan can run at the highest level 10 and the lowest level 1. By controlling the speed of outdoor fan, the unit can achieve cooling at low temperature and heating at high temperature.

  • Page 17: Protection Control

    GREE U-Match 5 SERIES UNIT SERVICE MANUAL During test mode, press any button to quit the test mode. Note: Forced test mode can only be enabled when the unit is first turned on and not yet receives any remote control signal or button control signal.

  • Page 18: Low-Temperature Drying Function

    GREE U-Match 5 SERIES UNIT SERVICE MANUAL Accumulated Accumulated Accumulated Pollution Pollution Pollution Operating Operating Operating Level Level Level Time (hour) Time (hour) Time (hour) 7500 3000 8000 3400 8500 3800 9000 4200 9500 4600 10000 5000 1000 2.3.2 Low-temperature Drying Function Under dry mode, when the setting temperature is 16°C, press “▼”...

  • Page 19: Switch Between Fahrenheit And Degree Celsius

    GREE U-Match 5 SERIES UNIT SERVICE MANUAL 2.3.6 Switch between Fahrenheit and Degree Celsius Under power-off status, press “MODE” and “▼” buttons simultaneously for 5 seconds, display board will switch between degree Celsius and Fahrenheit. 2.3.7 Inquiry of Ambient Temperature Under power-off or power-on status, press and hold “SWING/ENTER”...
  • Page 20 GREE U-Match 5 SERIES UNIT SERVICE MANUAL state and press ▲ or ▼ button to adjust. There are 2 selections: (1) With refrigerant lacking protection function (LCD displays 01) (2) Without refrigerant lacking protection function (LCD displays 02) 2.3.9.4 Selecting blowing residual heating of indoor unit Under debugging state, press Mode button to adjust to “05”...
  • Page 21 GREE U-Match 5 SERIES UNIT SERVICE MANUAL (2) P4 (LCD displays 04) (3) P5 (LCD displays 05) (4) P6 (LCD displays 06) (5) P7 (LCD displays 07) Note: You can select P03, P04, P05, P06, P07 in fan mode of indoor fan motor, which means different fan mode combinations are corresponding to different static pressure.

  • Page 22: Connect To Interface Of Centralized Control

    GREE U-Match 5 SERIES UNIT SERVICE MANUAL (1) Compensate 0℃ (LCD displays 00) (2) Compensate 1℃ (LCD displays 01) (3) Compensate 2℃ (LCD displays 02) (4) Compensate 3℃ (LCD displays 03) (5) Compensate 4℃ (LCD displays 04) (6) Compensate 5℃ (LCD displays 05) (7) Compensate 6℃...
  • Page 23 GREE U-Match 5 SERIES UNIT SERVICE MANUAL When the centralized controller is connected, centralized control of the unit can be realized to control unit ON/OFF, operation mode, set fan speed/temperature and weekly timer. (3) Setting method: 1) Centralized control for up to 16 indoor units.

  • Page 24: Troubleshooting

    The code and model of wired controller is as below: Name Product code Remark Centralized controller Only 36 sets of unit in MC207052 CE52-24/F(C) maximum can be connected to this controller 3. Troubleshooting 3.1 Wiring Diagrams 3.1.1 Wiring Diagrams of ODUs Model: GUD35W/NhA-T,...
  • Page 25 GREE U-Match 5 SERIES UNIT SERVICE MANUAL Model: GUD50W/NhA-T Model: GUD71W/NhA-T, GUD85W/NhA-T...
  • Page 26 GREE U-Match 5 SERIES UNIT SERVICE MANUAL Model: GUD100W/NhA-T Model: GUD125W/NhA-T, GUD140W/NhA-T...
  • Page 27 GREE U-Match 5 SERIES UNIT SERVICE MANUAL Model: GUD100W/NhA-X GUD125W/NhA-X,GUD140W/NhA-X...

  • Page 28: Wiring Diagrams Of Idus

    GREE U-Match 5 SERIES UNIT SERVICE MANUAL Model: GUD160W/NhA-X 3.1.2 Wiring Diagrams of IDUs Model: GUD35T/A-T, GUD50T/A-T...
  • Page 29 GREE U-Match 5 SERIES UNIT SERVICE MANUAL Model: GUD71T/A-T, GUD85T/A-T, GUD100T/A-T, GUD125T/A-T, GUD140T/A-T, GUD160T/A-T Duct Type Model: GUD35P/A-T, GUD50P/A-T, GUD71P/A-T, GUD85P/A-T, GUD35PS/A-T, GUD50PS/A-T, GUD71PS/A-T, GUD85PS/A-T...
  • Page 30 GREE U-Match 5 SERIES UNIT SERVICE MANUAL Model: GUD100PH/A-T, GUD125PH/A-T, GUD140PH/A-T GUD100PHS/A-T, GUD125PHS/A-T, GUD140PHS/A-T Model: GUD160PH/A-T, GUD160PHS/A-T...

  • Page 31: Pcb Layout

    GREE U-Match 5 SERIES UNIT SERVICE MANUAL Floor Ceiling Type Model: GUD35ZD/A-T, GUD50ZD/A-T, GUD71ZD/A-T, GUD85ZD/A-T, GUD100ZD/A-T, GUD125ZD/A-T, GUD140ZD/A-T, GUD160ZD/A-T 3.2 PCB Layout 3.2.1 Interface Indoor unit: Model: GUD35T/A-T, GUD50T/A-T, GUD71T/A-T, GUD85T/A-T: GUD35ZD/A-T, GUD50ZD/A-T, GUD71ZD/A-T, GUD85ZD/A-T, GUD100ZD/A-T, GUD125ZD/A-T, GUD140ZD/A-T, GUD160ZD/A-T;...
  • Page 32 GREE U-Match 5 SERIES UNIT SERVICE MANUAL Printing Interface Printing Interface Power supply DC_MOTOR DC motor output PUMP DC water pump WATER_DTCT Water level switch UD_SWING2 Vertical swing output 2 UD_SWING1 Vertical swing output 1 DOOR_C Access control interface COM_BMS...
  • Page 33 GREE U-Match 5 SERIES UNIT SERVICE MANUAL Printing Interface Printing Interface communication communication interface interface Indoor tube ODU communication COM_OUT TUBE temperature sensor interface interface Ambient temperature ROOM DISP2 Light board interface 2 sensor interface SWING_OUT1 Air outlet lifting output 1...
  • Page 34 TUBE temperature sensor sensor interface interface Auxiliary heating WATER_DTCT Water overflow detection HEAT interface (reserved) JUMP Jumper cap PUMP Water pump interface Model: GUD35W/NhA-T, GUD50W/NhA-T Mainboard Printing Interface Printing Interface Ground wire Neutral wire IDU communication Live wire COM7 interface...
  • Page 35 GREE U-Match 5 SERIES UNIT SERVICE MANUAL Printing Interface Printing Interface Inverter compressor W JTAG Programming phase Inverter compressor V Inverter compressor U phase phase Model: GUD71W/NhA-T, GUD85W/NhA-T Mainboard Printing Printing Interface Interface JTAG Programming interface 2WAY 2-way valve Low temperature cooling...
  • Page 36 GREE U-Match 5 SERIES UNIT SERVICE MANUAL Model: GUD100W/NhA-T, GUD125W/NhA-T, GUD140W/NhA-T, GUD100W/NhA-X, GUD125W/NhA-X, GUD140W/NhA-X, GUD160W/NhA-X: Mainboard Printing Interface Printing Interface AC-L Live wire input AC-N Neutral wire input HEAT_TIE_B Chassis electric heating belt HEAT_TIE_C Compressor electric heating belt 4WAY 4-way valve...
  • Page 37 GREE U-Match 5 SERIES UNIT SERVICE MANUAL Model: GUD100W/NhA-T (1) Drive Board ⑩ ⑩ ⑩ ⑩ ⑩ ⑩ ⑩ ⑩ ⑩ ⑩ ⑩ ⑩ ⑩ ⑩ ⑩ ⑩ ⑩ Printing Interface Printing Interface PFC induction wire (blue) L2-2 P-OUT Reserved...
  • Page 38 GREE U-Match 5 SERIES UNIT SERVICE MANUAL (2) Filtering Board ⑩ ⑩ ⑩ ⑩ ⑩ ⑩ ⑩ Printing Interface No. Printing Interface Power output neutral wire terminal AC-L Power input live wire terminal N-OUT (reserved) AC-N Power input neutral wire terminal...
  • Page 39 GREE U-Match 5 SERIES UNIT SERVICE MANUAL Model: GUD100W/NhA-X, GUD125W/NhA-X, GUD140W/NhA-X, GUD160W/NhA-X Drive Board ⑩ ⑩ ⑩ ⑩ Printing Interface ⑩ ⑩ Power supply busbar input terminal X1/ X2/X3 Mainboard power supply 3-phase input terminal X4/ X5/X6 Electric reactor 3-phase connection terminal (input terminal)
  • Page 40 GREE U-Match 5 SERIES UNIT SERVICE MANUAL Filtering Board ⑩ ⑩ ⑩ ⑩ ⑩ Printing Interface Printing Interface Power output live wire AC-L1 (connect to Unit power input master control board AC-L) wire AC-L3 Power output wire L1-F (connect to drive...
  • Page 41 GREE U-Match 5 SERIES UNIT SERVICE MANUAL Printing Interface Printing Interface master control board N) neutral wire N Ground wire E, reserved GUD125W/NhA-T, GUD140W/NhA-T Model: Drive Board 11 12 ⑩ ⑩ ⑩ ⑩ ⑩ ⑩ ⑩ Printing Interface Printing Interface...

  • Page 42: Ipm,Pfc Testing Method

    GREE U-Match 5 SERIES UNIT SERVICE MANUAL Filtering Board: ⑩ ⑩ ⑩ ⑩ ⑩ ⑩ ⑩ ⑩ Printing Interface Printing Interface Power output neutral wire terminal Filtering board grounding hole N-OUT1 ⑩ (for U-MATCH) (reserved) Power output neutral wire terminal...
  • Page 43 GREE U-Match 5 SERIES UNIT SERVICE MANUAL 3.2.2.2 Method of Testing PFC Module Short Circuit: （ only for GUD100W/NhA-T, GUD125W/NhA-T, GUD140W/NhA-T） (1). Preparation before test: prepare a universal meter and turn to its diode option, and then remove the wires L1-2, L2-1 after it is powered off for one minute.

  • Page 44: Error Code

    GREE U-Match 5 SERIES UNIT SERVICE MANUAL  GUD125W/NhA-T , GUD140W/NhA-T 3.3 Error Code Number Error code Error Compressor high pressure protection Indoor anti-freeze protection Compressor low pressure protection, refrigerant lack protection and refrigerant colleting mode Compressor air discharge high-temperature protection...
  • Page 45 GREE U-Match 5 SERIES UNIT SERVICE MANUAL Number Error code Error Wired control temperature sensor error IDU jumper cap error IDU or ODU memory chip error Electric box sensor error Compressor overload protection Overload IPM protection DC fan error Driver out-of-step protection...

  • Page 46: Troubleshooting

    GREE U-Match 5 SERIES UNIT SERVICE MANUAL 3.4 Troubleshooting 3.4.1 ―E1‖ Compressor High Pressure Protection Error display: ODU mainboard, IDU wired control and IDU receiver light board will display Error judgment condition and method: It is judged through the action of high pressure switch. If the high pressure switch is cut off, it is judged that high pressure is too high and the system stops operation for protection.

  • Page 47: E2‖ Indoor Anti-Freezing Protection

    GREE U-Match 5 SERIES UNIT SERVICE MANUAL Troubleshooting： 3.4.2 ―E2‖ Indoor Anti-freezing Protection Error display: IDU wired control and IDU receiver light board will display Error judgment condition and method: Check IDU pipe temperature. When pipe temperature is too low, freeze protection will be activated to prevent freezing damage of evaporator.

  • Page 48: E3‖ Compressor Low-Pressure Protection, Refrigerant Shortage Protection, Refrigerant Recovery Mode

    GREE U-Match 5 SERIES UNIT SERVICE MANUAL ■Ambient temperature of IDU and ODU is too low Troubleshooting： 3.4.3 ―E3‖ Compressor Low-pressure Protection, Refrigerant Shortage Protection, Refrigerant Recovery Mode Error display: ODU mainboard, IDU wired control and IDU receiver light board will display Error judgment condition and method: It is judged through the action of low pressure switch.

  • Page 49: E4‖ Compressor Air Discharge High-Temperature Protection

    GREE U-Match 5 SERIES UNIT SERVICE MANUAL ■Refrigerant charging amount is insufficient; ■System pipeline is blocked; Troubleshooting： E3 protection Enter Charge debugging mode refrigerant through wired Check if the according to the controller and select system low requirement and without refrigerant...

  • Page 50: E6‖ Communication Error

    GREE U-Match 5 SERIES UNIT SERVICE MANUAL Troubleshooting： E4 Compressor air discharge high - temperature protection Confirm the specific outdoor unit `s protection module and compressor Replace the temperature sensor Restart the unit and check if the Is the discharge temperature sensor `s...

  • Page 51: E8‖ Indoor Fan Error

    GREE U-Match 5 SERIES UNIT SERVICE MANUAL ■Connected wired controller quantity or address setting is improper ■Controller is abnormal Troubleshooting： 3.4.6 ―E8‖ Indoor Fan Error Error display: IDU wired control and IDU receiver light board will display Error judgment condition and method: Check if the rotation speed of IDU is too slow, or it stops rotation, or protection signal of outdoor fan is transferred.

  • Page 52: E9‖ Water Overflow Protection

    GREE U-Match 5 SERIES UNIT SERVICE MANUAL Troubleshooting： 3.4.7 ―E9‖ Water Overflow Protection Error display: IDU wired control and IDU receiver light board will display Error judgment condition and method: Check the status of IDU float switch. When water level is too high, float switch is activated, so water full protection happens.

  • Page 53: F0‖ Indoor Ambient Temperature Sensor Error

    GREE U-Match 5 SERIES UNIT SERVICE MANUAL Troubleshooting： 3.4.8 ―F0‖ Indoor Ambient Temperature Sensor Error Error display: IDU wired control and IDU receiver light board will display Error judgment condition and method: Sample the AD value of temperature sensor through temperature sensor detecting circuit and judge the range of AD value, If the sampling AD value exceeds upper limit and lower limit in 5 seconds continuously, report the error.

  • Page 54: F1‖ Evaporator Temperature Sensor Error

    GREE U-Match 5 SERIES UNIT SERVICE MANUAL Troubleshooting： 3.4.9 ―F1‖ Evaporator Temperature Sensor Error Error display: IDU wired control and IDU receiver light board will display Error judgment condition and method: Sample the AD value of temperature sensor through temperature sensor detecting circuit and judge the range of AD value, If the sampling AD value exceeds upper limit and lower limit in 5 seconds continuously, report the error.

  • Page 55: F2‖ Condenser Temperature Sensor Error

    GREE U-Match 5 SERIES UNIT SERVICE MANUAL Troubleshooting： Malfunction of evaporator temperature sensor Check if the evaporator Correctly insert the temperature sensor on temperature mainboard is inserted on the sensor on the needle stand correctly needle stand Disconnect Replace the...

  • Page 56: F3‖ Outdoor Ambient Temperature Sensor Error

    GREE U-Match 5 SERIES UNIT SERVICE MANUAL Troubleshooting： Malfunction of condenser temperature sensor Check if the condenser Correctly insert the temperature sensor on temperature sensor mainboard is inserted on the on the needle stand needle stand correctly Disconnect Replace the...

  • Page 57: F4‖ Discharge Temperature Sensor Error

    GREE U-Match 5 SERIES UNIT SERVICE MANUAL Troubleshooting： Note：Please refer to Appendix 1 for the relation between temperature and resistance of temperature sensor. 3.4.12 ―F4‖ Discharge Temperature Sensor Error Error display: ODU mainboard, IDU wired control and IDU receiver light board will display...

  • Page 58: F5‖ Wired Control Temperature Sensor Error

    GREE U-Match 5 SERIES UNIT SERVICE MANUAL Troubleshooting： Malfunction of discharge temperature sensor Check if the Correctly insert the discharge temperature sensor on temperature sensor mainboard is inserted on the on the needle stand needle stand correctly Disconnect Replace the...

  • Page 59: C5‖ Idu Jumper Cap Error

    GREE U-Match 5 SERIES UNIT SERVICE MANUAL 3.4.14 ―C5‖ IDU Jumper Cap Error Error display: IDU wired control and IDU receiver light board will display Error judgment condition and method: If jumper cap model doesn‗t match with mainboard, this error will be reported.

  • Page 60: Pf‖ Electric Box Sensor Error

    GREE U-Match 5 SERIES UNIT SERVICE MANUAL Troubleshooting： Malfunction of ODU memory chip error Replace the outdoor mainboard 3.4.16 ―PF‖ Electric Box Sensor Error Error display: ODU mainboard, IDU wired controller Error judgment condition and method: Sample the AD value of temperature sensor through temperature sensor detecting circuit and judge the range of AD value, If the sampling AD value exceeds upper limit and lower limit in 5 seconds continuously, report the error.

  • Page 61: H3‖ Compressor Overload Protection

    GREE U-Match 5 SERIES UNIT SERVICE MANUAL 3.4.17 ―H3‖ Compressor Overload Protection Error display: ODU mainboard, IDU wired control and IDU receiver light board will display Error judgment condition and method: When the mainboard‘s interface ovc-comp is broken off for 3s, error H3 will be reported.

  • Page 62: H5‖ Ipm Protection

    GREE U-Match 5 SERIES UNIT SERVICE MANUAL Troubleshooting： Overload Outdoor heat exchanger is blocked Remove the obstacle Indoor heat exchanger is blocked . Remove the obstacle Ambient temperature is out of the Normal protection . No operation range need to handle it .

  • Page 63: H6‖ Dc Fan Error

    GREE U-Match 5 SERIES UNIT SERVICE MANUAL Troubleshooting： IPM protection Compressor 3-phase wire connection is Connect wires according to lack of phase or phase -reversing? the phase sequence. System is heavy-loaded? Compressor Normal protection current is too large? Replace the drive board .

  • Page 64: H7‖ Driver Out-Of-Step Protection

    GREE U-Match 5 SERIES UNIT SERVICE MANUAL Troubleshooting： Malfunction of discharge temperature sensor Check if the Correctly connect the control wire of outdoor fan motor is control wire of fan motor connected on the outdoor on the mainboard mainboard correctly...

  • Page 65: Hc‖ Pfc Protection

    GREE U-Match 5 SERIES UNIT SERVICE MANUAL Troubleshooting： Compressor out -of-step protection Connect wires according to Compressor3-phase wire connection is lack of phase or phased -reversing? the phase sequence Compressor phase wire connection is Fasten or replace the bad? compressor phase wires Replace the drive board .
  • Page 66 GREE U-Match 5 SERIES UNIT SERVICE MANUAL Troubleshooting： PFC protection Check whether power grid voltage is Normal protection normal? Drive board PFC is damaged ? Replace the drive board . 3.4.23 ―Lc‖ Startup Failure Error display: ODU mainboard, IDU wired controller and IDU receive light board will display Error judgment condition and method: Check the error code on nixie tube of ODU main control board.

  • Page 67: Lp‖ Idu And Odu Unmatched

    GREE U-Match 5 SERIES UNIT SERVICE MANUAL Troubleshooting： LC Startup failure System is blocked ? Eliminate system failure Short of refrigerant ? Short of Fill refrigerant in . Fill compressor oil ? compressor oil in . Compressor 3-phase sequence is...

  • Page 68: U7‖ 4-Way Valve Switch-Over Error

    GREE U-Match 5 SERIES UNIT SERVICE MANUAL 3.4.25 ―U7‖ 4–Way Valve Switch-Over Error Error display: ODU mainboard, IDU wired control and IDU receiver light board will display Error judgment condition and method: Possible reason: ■Voltage is abnormal. For example, low voltage will cause abnormal direction change of the 4-way valve.

  • Page 69: P5‖ Over-Current Protection

    GREE U-Match 5 SERIES UNIT SERVICE MANUAL Troubleshooting： P0 Driver reset protection 3.3V drive board voltage is normal or Replace the drive board not? Re-arrange the wires. Heavy current wires s hould avoid the drive board chip. 3.4.27 ―P5‖ Over-Current Protection...

  • Page 70: P6‖ Master Control And Driver Communication Error

    GREE U-Match 5 SERIES UNIT SERVICE MANUAL Troubleshooting： Compressor over -current protection Compressor is running at high frequency and high load . The peak Normal protection current has reached the protection value ? Reconnnect wires Compressor 3-phase wire connection according to the correct is correct or not? sequence.

  • Page 71: P7‖ Driver Module Sensor Error

    GREE U-Match 5 SERIES UNIT SERVICE MANUAL Troubleshooting： P6 Master control and driver communication error The communication wire between Reconnect or replace master contro l and driver is not the communication wire. connected, or is badly connected, or broken? Replace the drive board...

  • Page 72: P8‖ Driver Module High Temperature Protection

    GREE U-Match 5 SERIES UNIT SERVICE MANUAL 3.4.30 ―P8‖ Driver Module High Temperature Protection Error display: ODU mainboard, IDU wired control and IDU receiver light board will display Error judgment condition and method: If IPM module temperature or PFC module temperature exceeds the set protection value, then it can be judged that driver module temperature is too high and system will shut down for protection.

  • Page 73: Pc‖ Driver Current Error

    GREE U-Match 5 SERIES UNIT SERVICE MANUAL ■PFC module is damaged. ■Drive board PFC current sampling circuit element is damaged or drive chip PFC current sampling AD terminal is abnormal. Troubleshooting： AC current protection Grid voltage is normal or not ?

  • Page 74: Pd‖ Sensor Connection Protection

    GREE U-Match 5 SERIES UNIT SERVICE MANUAL 3.4.33 ―Pd‖ Sensor Connection Protection Error display: ODU mainboard, IDU wired controller and IDU receive light board will display Error judgment condition and method: Sample the AD value of sensor through sensor detecting circuit and judge the range of AD value, If the sampling AD value exceeds upper limit and lower limit in 5 seconds continuously, report the error.

  • Page 75: Ph‖ Bus High-Voltage Protection

    GREE U-Match 5 SERIES UNIT SERVICE MANUAL Troubleshooting： Bus low-voltage protection Normal Grid voltage is normal or not ? protection Replace the dr ive board . 3.4.35 ―PH‖ Bus High-Voltage Protection Error display: ODU mainboard, IDU wired control and IDU receiver light board will display...

  • Page 76: Ee‖ Drive Memory Chip Error

    GREE U-Match 5 SERIES UNIT SERVICE MANUAL 3.4.36 ―PU‖ Charge Loop Error Error display: ODU mainboard, IDU wired control and IDU receiver light board will display Error judgment condition and method: When the charge loop starts to get charged and the busbar voltage cannot reach the set value in a certain period of time, then it can be judged that charge loop error exists.

  • Page 77: C4‖ Odu Jumper Cap Error

    GREE U-Match 5 SERIES UNIT SERVICE MANUAL ee Drive memory chip error Install the Drive board is installed with memory chip or not? memory chip . Replace the drive board . 3.4.38 ―c4‖ ODU Jumper Cap Error Error display: ODU mainboard, IDU wired control and IDU receiver light board will display Error judgment condition and method: If jumper cap model doesn‗t match with mainboard, report the error...

  • Page 78: El‖ Emergency Stop (Fire Alarm)

    GREE U-Match 5 SERIES UNIT SERVICE MANUAL 3.4.39 ―EL‖ Emergency Stop (Fire Alarm) If fire alarm terminal is enabled after the IDU mainboard connects to function expansion panel, error EL will be reported. 3.5 Failures Not Caused by Errors （1）If your air conditioner fails to function normally, please first check the following items before maintenance:...
  • Page 79 Check the above items and adopt the corresponding corrective measures. If the air conditioner continues to function poorly, please stop the air conditioner immediately and contact Gree‘s authorized local service center. Ask our professional service staff to check and repair the unit.

  • Page 80: Maintenance

    （4）Open the switch at the lower pressure side of the manifold valve assembly and start the vacuum pump. Meanwhile, the switch at the high pressure side of the manifold valve assembly should be kept closed, otherwise evacuation would fail. （5）The evacuation duration depends on the unit‘s capacity, generally. Model Time(min) GUD35W/NhA-T GUD50W/NhA-T GUD71W/NhA-T, GUD85W/NhA-T, GUD100W/NhA-T, GUD100W/NhA-X GUD125W/NhA-T, GUD140W/NhA-T, GUD125W/NhA-X, GUD140W/NhA-X, GUD160W/NhA-X And verify if the pressure gauge at the low pressure side of the manifold valve assembly reads -1.0Mp (-75cmHg), if not, it indicates...

  • Page 81: Refrigerant Charging

    GREE U-Match 5 SERIES UNIT SERVICE MANUAL （6） Wait for 10min to see if the system pressure can remain unchanged. During this time, the reading of the pressure gauge at the low pressure side can not be larger than 0.005Mp (0.38cmHg).
  • Page 82 GREE U-Match 5 SERIES UNIT SERVICE MANUAL Step 5: Open the high pressure gauge valve (Keep the low pressure gauge valve closed). Then charge refrigerant into the system. Meanwhile, record the weight of refrigerant tank as m2. Step 6: m1-m2=m. If m equals to the required charging quantity M, close the valve of refrigerant tank at once.

  • Page 83: Maintenance Of Major Components

    GREE U-Match 5 SERIES UNIT SERVICE MANUAL Following is the supplementary requirement for refrigerant charging on the basis of normal procedure: 1）Make sure that when charging refrigerant into the system, no other types of refrigerant will be mixed. The pipeline for refrigerant charging should be as short as possible to reduce the amount of refrigerant left in it.
  • Page 84 It is used to lower the pressure and temperature of liquefied refrigerant expansion valve and adjust the flow of refrigerant entering the evaporator. Model: GUD35W/NhA-T, GUD50W/NhA-T, GUD71W/NhA-T, GUD85W/NhA-T Removal of front panel Note: Before removing the front panel, make sure power is cut off.
  • Page 85 GREE U-Match 5 SERIES UNIT SERVICE MANUAL Removal of front panel Note: Before removing the front panel, make sure power is cut off. Step Picture Work instruction ●Unscrew the screws of the front 3. Remove the front side plate. side plate with a screwdriver.
  • Page 86 ●Tighten up the screws around 10. Install the upper cover plate. the upper cover plate. Model: GUD35W/NhA-T, GUD50W/NhA-T, GUD71W/NhA-T, GUD85W/NhA-T Removal of compressor Note: Before removing the compressor, make sure there is no refrigerant in the pipeline and power is cut off.
  • Page 87 GREE U-Match 5 SERIES UNIT SERVICE MANUAL Removal of compressor Note: Before removing the compressor, make sure there is no refrigerant in the pipeline and power is cut off. Step Picture Work instruction ●Use a wrench to twist off the 2.
  • Page 88 Model: GUD35W/NhA-T, GUD50W/NhA-T, GUD71W/NhA-T, GUD85W/NhA-T Removal of 4-way valve Note: Before removing the 4-way valve, make sure refrigerant is fully discharged from the unit and power is cut off.
  • Page 89 4-way valve should be wrapped with wet cloth for cooling. Do not let the flame burn the other components. Model: GUD35W/NhA-T, GUD50W/NhA-T, GUD71W/NhA-T, GUD85W/NhA-T Removal of fan and motor Note: Before removing the fan, make sure power is cut off. Step...
  • Page 90 GREE U-Match 5 SERIES UNIT SERVICE MANUAL Removal of fan and motor Note: Before removing the fan, make sure power is cut off. Step Picture Work instruction ●Use a wrench to remove the specialized nut and gasket of the fan.
  • Page 91 GREE U-Match 5 SERIES UNIT SERVICE MANUAL Model: GUD35W/NhA-T, GUD50W/NhA-T, GUD71W/NhA-T, GUD85W/NhA-T Removal of condenser Note: Before removing the condenser, make sure there is no refrigerant in the pipeline and power is cut off. Step Picture Work instruction ●Remove the upper, lower and 1．Remove the panels.
  • Page 92 GREE U-Match 5 SERIES UNIT SERVICE MANUAL Removal of condenser Note: Before removing the condenser, make sure there is no refrigerant in the pipeline and power is cut off. Step Picture Work instruction ●Loosen the securing screws of condenser support. Take off the 5.
  • Page 93 GREE U-Match 5 SERIES UNIT SERVICE MANUAL Model: GUD35W/NhA-T, GUD50W/NhA-T, GUD71W/NhA-T, GUD85W/NhA-T Removal of electronic expansion valve Note: Before removing the electronic expansion valve, make sure there is no refrigerant in the pipeline and power is cut off. Step Picture Work instruction ●Remove the upper, lower and...
  • Page 94 GREE U-Match 5 SERIES UNIT SERVICE MANUAL Removal of electronic expansion valve Note: Before removing the electronic expansion valve, make sure there is no refrigerant in the pipeline and power is cut off. Step Picture Work instruction ●Weld the connection pipe of electronic expansion valve.
  • Page 95 GREE U-Match 5 SERIES UNIT SERVICE MANUAL Model: GUD100W/NhA-T, GUD125W/NhA-T, GUD140W/NhA-T, GUD100W/NhA-X, GUD125W/NhA-X, GUD140W/NhA-X Removal of front panel Note: Before removing the front panel, make sure power is cut off. Step Picture Work instruction ●Unscrew the screws of the 1. Remove the upper cover plate.
  • Page 96 GREE U-Match 5 SERIES UNIT SERVICE MANUAL Removal of front panel Note: Before removing the front panel, make sure power is cut off. Step Picture Work instruction ●Unscrew the screws that connect the right side plate to the 5. Remove the right side plate.
  • Page 97 GREE U-Match 5 SERIES UNIT SERVICE MANUAL Removal of front panel Note: Before removing the front panel, make sure power is cut off. Step Picture Work instruction ●Fix the clasps on both sides of 9. Install the front side plate.
  • Page 98 GREE U-Match 5 SERIES UNIT SERVICE MANUAL Removal of compressor/gas liquid separator Note: Before removing the compressor/gas liquid separator, make sure there is no refrigerant in the pipeline and power is cut off. Step Picture Work instruction ●Weld the pipes that are...
  • Page 99 GREE U-Match 5 SERIES UNIT SERVICE MANUAL Removal of compressor/gas liquid separator Note: Before removing the compressor/gas liquid separator, make sure there is no refrigerant in the pipeline and power is cut off. Step Picture Work instruction ●After replacing the 5．...
  • Page 100 GREE U-Match 5 SERIES UNIT SERVICE MANUAL Model: GUD100W/NhA-T, GUD125W/NhA-T, GUD140W/NhA-T, GUD100W/NhA-X, GUD125W/NhA-X, GUD140W/NhA-X Removal of 4-way valve Note: Before removing the 4-way valve, make sure refrigerant is fully discharged from the unit and power is cut off. Step Picture Work instruction ●Carefully unscrew the screws of...
  • Page 101 GREE U-Match 5 SERIES UNIT SERVICE MANUAL Removal of 4-way valve Note: Before removing the 4-way valve, make sure refrigerant is fully discharged from the unit and power is cut off. Step Picture Work instruction ●Tighten the screws of the coil of 4.
  • Page 102 GREE U-Match 5 SERIES UNIT SERVICE MANUAL Removal of fan and motor Note: Before removing the fan, make sure power is cut off. Step Picture Work instruction ●Use a screwdriver to unscrew the bolt of motor. 3. Remove motor. Note: Motor wire should be first removed from the electric box.
  • Page 103 GREE U-Match 5 SERIES UNIT SERVICE MANUAL Model: GUD100W/NhA-T, GUD125W/NhA-T, GUD140W/NhA-T, GUD100W/NhA-X, GUD125W/NhA-X, GUD140W/NhA-X Removal of condenser Note: Before removing the condenser, make sure there is no refrigerant in the pipeline and power is cut off. Step Picture Work instruction ●Remove the upper, lower and...
  • Page 104 GREE U-Match 5 SERIES UNIT SERVICE MANUAL Removal of condenser Note: Before removing the condenser, make sure there is no refrigerant in the pipeline and power is cut off. Step Picture Work instruction ●Loosen the securing screws of condenser support. Take off the 5.
  • Page 105 GREE U-Match 5 SERIES UNIT SERVICE MANUAL Model: GUD100W/NhA-T, GUD125W/NhA-T, GUD140W/NhA-T, GUD100W/NhA-X, GUD125W/NhA-X, GUD140W/NhA-X Removal of electronic expansion valve Note: Before removing the electronic expansion valve, make sure there is no refrigerant in the pipeline and power is cut off.
  • Page 106 GREE U-Match 5 SERIES UNIT SERVICE MANUAL Removal of electronic expansion valve Note: Before removing the electronic expansion valve, make sure there is no refrigerant in the pipeline and power is cut off. Step Picture Work instruction ●Take out the electronic expansion 4.
  • Page 107 GREE U-Match 5 SERIES UNIT SERVICE MANUAL Removal of electronic expansion valve Note: Before removing the electronic expansion valve, make sure there is no refrigerant in the pipeline and power is cut off. Step Picture Work instruction ●Check whether each component...
  • Page 108 GREE U-Match 5 SERIES UNIT SERVICE MANUAL Removal of front panel Note: Before removing the front panel, make sure power is cut off. Step Picture Work instruction ●Unscrew the screws that connect the front panel to the 3. Remove the front panel.
  • Page 109 GREE U-Match 5 SERIES UNIT SERVICE MANUAL Removal of front panel Note: Before removing the front panel, make sure power is cut off. Step Picture Work instruction ●Attach the grill back in place and 7. Install the grill. tighten up the screws.
  • Page 110 GREE U-Match 5 SERIES UNIT SERVICE MANUAL Disassembly of compressor Note: Before removing the compressor, make sure there is no refrigerant in the pipeline and power is cut off. Step Picture Work instruction ●Use a wrench to twist off the 2.
  • Page 111 GREE U-Match 5 SERIES UNIT SERVICE MANUAL Disassembly of compressor Note: Before removing the compressor, make sure there is no refrigerant in the pipeline and power is cut off. Step Picture Work instruction ●After replacing the compressor, 5.Fix the new compressor back tighten up the screws at the foot onto the chassis.
  • Page 112 GREE U-Match 5 SERIES UNIT SERVICE MANUAL Model: GUD160W/NhA-X Removal of 4-way valve Note: Before removing the 4-way valve, make sure refrigerant is fully discharged from the unit and power is cut off. Step Picture Work instruction ●Carefully unscrew the screws of 1.
  • Page 113 GREE U-Match 5 SERIES UNIT SERVICE MANUAL Removal of 4-way valve Note: Before removing the 4-way valve, make sure refrigerant is fully discharged from the unit and power is cut off. Step Picture Work instruction ●Tighten the screws of the coil of 4.
  • Page 114 GREE U-Match 5 SERIES UNIT SERVICE MANUAL Removal of fan and motor Note: Before removing the fan, make sure power is cut off. Step Picture Work instruction ●Use a screwdriver to unscrew the bolt of motor. 3. Remove motor. Note: Motor wire should be first removed from the electric box.
  • Page 115 GREE U-Match 5 SERIES UNIT SERVICE MANUAL Model: GUD160W/NhA-X Removal of gas liquid separator Note: Before removing the gas liquid separator, make sure there is no refrigerant in the pipeline and power is cut off. Step Picture Work instruction ●Remove the upper, lower and 1．...
  • Page 116 GREE U-Match 5 SERIES UNIT SERVICE MANUAL Removal of gas liquid separator Note: Before removing the gas liquid separator, make sure there is no refrigerant in the pipeline and power is cut off. Step Picture Work instruction ●Put the electric box back in place 5.
  • Page 117 GREE U-Match 5 SERIES UNIT SERVICE MANUAL Removal of electronic expansion valve Note: Before removing the electronic expansion valve, make sure there is no refrigerant in the pipeline and power is cut off. Step Picture Work instruction ●The connection wires inside and outside the electric box should be 2.
  • Page 118 GREE U-Match 5 SERIES UNIT SERVICE MANUAL Removal of electronic expansion valve Note: Before removing the electronic expansion valve, make sure there is no refrigerant in the pipeline and power is cut off. Step Picture Work instruction ●Weld the connection pipe of electronic expansion valve.

  • Page 119: Removal Of Idu Major Components

    GREE U-Match 5 SERIES UNIT SERVICE MANUAL 4.5.2 Removal of IDU Major Components 4.5.2.1 Cassette Type Unit Removal of fan and motor Note: Before removing the motor, power must be cut off. Step Picture Work instruction ●Turn off the power supply of indoor unit.
  • Page 120 GREE U-Match 5 SERIES UNIT SERVICE MANUAL Removal of fan and motor Note: Before removing the motor, power must be cut off. Step Picture Work instruction ●Use a screwdriver to remove 5. Remove the fan. the clamping band of motor.
  • Page 121 GREE U-Match 5 SERIES UNIT SERVICE MANUAL Removal of fan and motor Note: Before removing the motor, power must be cut off. Step Picture Work instruction ●Direct the 4 corners of water tray to the 4 corners of the unit and then press them.
  • Page 122 GREE U-Match 5 SERIES UNIT SERVICE MANUAL Removal and installation of drain pump Step Picture Work instruction ●Loosen the screws in the 4 2. Remove the water tray. corners and then remove the water tray. ●Take out the drain pipe and 3.
  • Page 123 GREE U-Match 5 SERIES UNIT SERVICE MANUAL Removal and installation of drain pump Step Picture Work instruction ●Connect the water pump wire 7. Connect the water pump and motor wire according to the wire and power cord, and wiring diagram.
  • Page 124 GREE U-Match 5 SERIES UNIT 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 the 6.
  • Page 125 GREE U-Match 5 SERIES UNIT 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 1.Remove the cover...
  • Page 126 GREE U-Match 5 SERIES UNIT 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.
  • Page 127 GREE U-Match 5 SERIES UNIT SERVICE MANUAL Removal of electric box assembly Note: Before removal, make sure power is cut off. During the removal procedure, take good care of all the components, especially the components in electric box. Protect it from water and collision.
  • Page 128 GREE U-Match 5 SERIES UNIT 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, seal the copper pipe. Step Picture Work instruction ●...
  • Page 129 GREE U-Match 5 SERIES UNIT SERVICE MANUAL Removal of fan and motor Note: Before removal, make sure power is cut off. During the removal procedure, take good care of all the components, especially the screws of fan. Step Picture Work instruction ●Twist off the screws and...

  • Page 130: Explosive View And Lists Of Parts

    GREE U-Match 5 SERIES UNIT SERVICE MANUAL 4.6 Explosive View and Lists of Parts 4.6.1 ODU Explosive View and Lists of Parts (Product Code：CF090W1310) GUD35W/NhA-T...
  • Page 131 GREE U-Match 5 SERIES UNIT SERVICE MANUAL Material name Finished Product Code Quantity Front Grill 22413046 Cabinet 01433034P Axial Flow Fan 10333011 Fan Motor 1501308511 Base Plate Sub-assay 17000060107 Compressor and Fittings 9001060093 Electric Expand Valve Fitting 4300034401 Cut off Valve...
  • Page 132 GREE U-Match 5 SERIES UNIT SERVICE MANUAL GUD50W/NhA-T(Product Code： CF090W1210 Material name Finished Product Code Quantity Front Grill 22413046 Cabinet 01433034 Axial Flow Fan 10333014 Fan Motor 1501371701 Base Plate Sub-assay 017000060100 Compressor and Fittings 009001060006 Electric Expand Valve Fitting...
  • Page 133 GREE U-Match 5 SERIES UNIT SERVICE MANUAL Material name Finished Product Code Quantity Electronic Expansion Valve 07133821 Strainer 0721302608 Clapboard Sub-assay 01233168 Condenser Assay 011002060290 Condenser Support Plate 01795028 Terminal Board 422000000007 Terminal Board 42200000002402 Main Board 300027060151 Radiator 49013060...
  • Page 134 GREE U-Match 5 SERIES UNIT SERVICE MANUAL Material name Finished Product Code Quantity Front Grill 22415010 Front Panel 01535013 Axial Flow Fan 10335008 Fan Motor 1501506402 Drainage Joint 06123401 Drainage hole Cap 76713033 Drainage hole Cap 76713068 Drainage hole Cap...
  • Page 135 GREE U-Match 5 SERIES UNIT SERVICE MANUAL GUD85W/NhA-T(Product Code： CF090W1230...
  • Page 136 GREE U-Match 5 SERIES UNIT SERVICE MANUAL Material name Finished Product Code Quantity Front Grill 22415011 Left Handle 26235401 Front Side Plate 01305086 Axial Flow Fan 10335014 Fan Motor 15010400000102 Base Plate Sub-assay 0280319601 Drainage Joint 06123401 Drainage hole Cap...
  • Page 137 GREE U-Match 5 SERIES UNIT SERVICE MANUAL GUD100W/NhA-T(Product Code：CF090W1240) Material name Finished Product Code Quantity Front Grill 01572800003 Cabinet 012022000003 Handle 26904100016 Front Side Plate 012050000007 Axial Flow Fan 1043410000801 Electric Heater（Compressor） 7651873215 Drainage hole Cap 76715005 Drainage Joint 26113009...
  • Page 138 GREE U-Match 5 SERIES UNIT SERVICE MANUAL Material name Finished Product Code Quantity 4-way Valve 4300008201 Pressure Protect Switch 46020007 Rear Side Plate 012076000021 Rear Grill 01574100014 Clapboard Sub-assay 017021060074 Condenser Assay 011002060190 Filter 07224803 4-way Valve Coil 4300040087 Strainer...
  • Page 139 GREE U-Match 5 SERIES UNIT SERVICE MANUAL GUD125W/NhA-T(Product Code：CF090W1260) Material name Finished Product Code Quantity Front Grill 01572800003 Diversion Circle 10474100003 Cabinet 012022000003 Axial Flow Fan 1043410000801 Front Side Plate 012050000007 Handle 26904100016 Base Plate Sub-assay 01700006008901 Compressor and Fittings...
  • Page 140 GREE U-Match 5 SERIES UNIT SERVICE MANUAL Material name Finished Product Code Quantity 7651521238 Electric Heater（Compressor） Drainage hole Cap 76715005 Drainage Joint 26113009 Rear Side Plate 012076000021 Rear Grill 01574100014 Clapboard Sub-assay 017021060074 Condenser Assay 011002060190 Strainer 0721304401 Electronic Expansion Valve...
  • Page 141 GREE U-Match 5 SERIES UNIT SERVICE MANUAL GUD140W/NhA-T (Product Code： CF090W1280 Material name Finished Product Code Quantity Front Grill 01572800003 Diversion Circle 10474100003 Cabinet 012022000003P Handle 26904100016 Front Side Plate 012050000007 Connection Board 01344100070P Axial Flow Fan 1043410000801 Fan Motor...
  • Page 142 GREE U-Match 5 SERIES UNIT SERVICE MANUAL Material name Finished Product Code Quantity Pressure Protect Switch 46020007 Silencer 07245012 Pressure Protect Switch 4602000603 Filter 07224803 Cut off Valve 071302391 Strainer 0721304401 Electronic Expansion Valve 43005017 Electric Expand Valve Fitting 43000344...
  • Page 143 GREE U-Match 5 SERIES UNIT SERVICE MANUAL GUD100W/NhA-X(Product Code： CF090W1250 Material name Finished Product Code Quantity Front Grill 1572800003 Diversion Circle 10474100003 Cabinet 012022000003 Front Side Plate 012050000007 Handle 26904100016 Axial Flow Fan 1043410000801 Fan Motor 150104060013 Motor Support Sub-assay...
  • Page 144 GREE U-Match 5 SERIES UNIT SERVICE MANUAL Material name Finished Product Code Quantity Silencer 07245012 4-way Valve Assay 030152060080 Pressure Protect Switch 46020007 Cut off Valve 071302391 Strainer 0721304401 Electronic Expansion Valve 072009000018 Connection Board 01344100070 Rear Side Plate 012076000021...
  • Page 145 GREE U-Match 5 SERIES UNIT SERVICE MANUAL GUD125W/NhA-X(Product Code： CF090W1270 Material name Finished Product Code Quantity Front Grill 01572800003 Diversion Circle 10474100003 Cabinet 012022000003 Axial Flow Fan 1043410000801 Front Side Plate 012050000007 Handle 26904100016 Base Plate Sub-assay 01700006008901 Compressor and Fittings...
  • Page 146 GREE U-Match 5 SERIES UNIT SERVICE MANUAL Material name Finished Product Code Quantity Electrical 7651521238 Heater(Compressor) Drainage hole Cap 76715005 Drainage Joint 26113009 Rear Side Plate 012076000021 Rear Grill 01574100014 Clapboard Sub-assay 017021060074 Condenser Assay 011002060190 Strainer 721304401 Electronic Expansion Valve...
  • Page 147 GREE U-Match 5 SERIES UNIT SERVICE MANUAL GUD140W/NhA-X(Product Code： CF090W1290 Material name Finished Product Code Quantity Front Grill 01572800003 Diversion Circle 10474100003 Cabinet 012022000003 Handle 26904100016 Front Side Plate 012050000007 Connection Board 01344100070 Axial Flow Fan 1043410000801 Fan Motor 150104060013...
  • Page 148 GREE U-Match 5 SERIES UNIT SERVICE MANUAL Material name Finished Product Code Quantity Pressure Protect Switch 46020007 Silencer 07245012 Pressure Protect Switch 4602000603 Filter 07224803 Cut off Valve 071302391 Strainer 0721304401 Electronic Expansion Valve 43005017 Electric Expand Valve Fitting 43000344...
  • Page 149 GREE U-Match 5 SERIES UNIT SERVICE MANUAL GUD160W/NhA-X(Product Code： CF090W1300 Material name Finished Product Code Quantity Front Grill 01575200002 Cabinet 01514100002 Diversion Circle 10474100001 Axial Flow Fan 1043410000301 Handle 26235253 Front Side Plate 01314100012 Brushless DC Motor 1570410001305 Brushless DC Motor...
  • Page 150 GREE U-Match 5 SERIES UNIT SERVICE MANUAL Material name Finished Product Code Quantity Filter 07224803 4-way Valve 43000338 Pressure Protect Switch 4602000603 4-way Valve Assay 030152060082 Rear Side Plate Sub-assay 017051000057 Rear Grill 01574100004 Clapboard Sub-assay 017021060075 Strainer 0721212101 Condenser Assay...

  • Page 151: Idu Explosive View And Lists Of Parts

    GREE U-Match 5 SERIES UNIT SERVICE MANUAL 4.6.2 IDU Explosive View and Lists of Parts GUD35T/A-T(Product Code：), GUD50T/A-T(Product Code： ET010N1540 Material name Finished Product Code Quantity Electric Box Assy 100002003276 Terminal Board 42011106 Main Board 300002060226 Water Tray Assy 000069060065...
  • Page 152 GREE U-Match 5 SERIES UNIT SERVICE MANUAL Material name Finished Product Code Quantity Mounting Rack Sub-Assy 017044060011 Side Plate 012010060175 Support 012060061048 Evaporator Assy 011001060299 Remote Control 305001060024 Room Sensor 39000191 Temperature Sensor 3900005911 Drain Hose Sub-Assy 05232702 Flow Guide Loop...
  • Page 153 GREE U-Match 5 SERIES UNIT SERVICE MANUAL Material name Finished Product Code Quantity 100002061280 Electric Box Assay 42018000551 Terminal Board 26909400067 Diversion Circle 000069060008 Water Tray Assay 10429400004 Centrifugal Fan 4502021601 Liquid Level Switch 01332701 Body Installing Plate 01499400003 Seal Plate Assay...
  • Page 154 GREE U-Match 5 SERIES UNIT SERVICE MANUAL GUD100T/A-T(Product Code： ET010N1440 Material name Finished Product Code Quantity Electric Box Assay 100002061280 Terminal Board 42018000551 Diversion Circle 26909400067 Water Tray Assay 000069060008 Centrifugal Fan 10429400004 Liquid Level Switch 4502021601 Body Installing Plate...
  • Page 155 GREE U-Match 5 SERIES UNIT SERVICE MANUAL Material name Finished Product Code Quantity Brushless DC Motor 1570410000701 Water Pump 43138000058 Drainage Pipe Sub-assay 26909400055 Remote Controller 305001060024 Temperature Sensor 390000453 Temperature Sensor 39000286 Drain Hose Sub-assay 05232702 Terminal board 42000100000202...
  • Page 156 GREE U-Match 5 SERIES UNIT SERVICE MANUAL Material name Finished Product Code Quantity Electric Box Assay 100002061280 Terminal Board 42018000551 Diversion Circle 10479400002 Water Tray Assay 000069060008 Fixed Mount1 01849400007 Evaporator Assay 011001000225 Liquid Level Switch 4502021601 Side Plate 1...
  • Page 157 GREE U-Match 5 SERIES UNIT SERVICE MANUAL GUD140T/A-T(Product Code： ET010N1460 Material name Finished Product Code Quantity Electric Box Assay 100002061280 Terminal Board 42018000551 Diversion Circle 10479400002 Water Tray Assay 000069060008 Centrifugal 10429400003 Evaporator Support 1849406 Connection Sheet Assay 01249400012 Liquid Level Switch...
  • Page 158 GREE U-Match 5 SERIES UNIT SERVICE MANUAL Material name Finished Product Code Quantity Seat Board Sub-assay 02229400011 Side Plate 2 01319400026 Seal Plate Assay 01499400001 Water Pump 43138000058 Drainage Pipe Sub-assay 26909400055 Evaporator Assay 011001060193 Remote Controller 305001060024 Temperature Sensor...
  • Page 159 GREE U-Match 5 SERIES UNIT SERVICE MANUAL Material name Finished Product Code Quantity Electric Box Assay 100002061280 Terminal Board 4201800002601 Diversion Circle 10479400002 Water Tray Assay 01289400026 Fan Fixer 10312701 Centrifugal Fan 10429400003 Evaporator Support 01849406 Connected Board Assay of...
  • Page 160 GREE U-Match 5 SERIES UNIT SERVICE MANUAL GUD35P/A-T(Product Code： CF022N1650 Material name Finished Product Code Quantity Top Cover Board Assay 000132000019 Main Board 300002060223 Terminal Board 42018000551 Terminal Board 42011106 Electric Box Assay 100002002911 Left Side Plate Assay 01314100076 Hook 2...
  • Page 161 GREE U-Match 5 SERIES UNIT SERVICE MANUAL Material name Finished Product Code Quantity Centrifugal Fan Assay 15404100031 Temperature Sensor 390000597 Ambient Temperature Sensor 39000191 Display Board 300001000204 GUD50P/A-T(Product Code： CF022N1630 Material name Finished Product Code Quantity Top Cover Board Assay...
  • Page 162 GREE U-Match 5 SERIES UNIT SERVICE MANUAL Material name Finished Product Code Quantity Centrifugal Fan Assay 15404100032 Blower Mounting Plate Sub-assay 01325200035 Bearing Holder Sub-assay 26151139 Support Of Motor Bearing 02285200001 Propeller Housing（Lower） 26905200019 Centrifugal Fan 15404100032 Joint Slack 73018731...
  • Page 163 GREE U-Match 5 SERIES UNIT SERVICE MANUAL Material name Finished Product Code Quantity Top Cover Board Assay 0126520015101 Main Board 300002060223 Terminal Board 42018000551 Terminal Board 42011106 Electric Box Assay 100002002911 Left Side Plate Assay 01315200170 Strainer 0721200102 Air Outlet Frame Assay...
  • Page 164 GREE U-Match 5 SERIES UNIT SERVICE MANUAL GUD100PH/A-T(Product Code： CF022N1590 Material name Finished Product Code Quantity Air Outlet Frame Assay 01375200026 Choke Plug of Drain Pipe 76815214 Bottom Cover Plate 01265200131 Cover Of Air-in 01265200132 Hook 02112466 Right Side Plate Assay...
  • Page 165 GREE U-Match 5 SERIES UNIT SERVICE MANUAL Material name Finished Product Code Quantity Main Board 300002060227 Filter Board 300020000017 Terminal Board 42018000551 Terminal Board 42000100000101 Left Side Plate Assay 01315200147 Evaporator Assay 011001060100 GUD125PH/A-T(Product Code： CF022N1570 GUD140PH/A-T(Product Code： CF022N1550 Material name...
  • Page 166 GREE U-Match 5 SERIES UNIT SERVICE MANUAL Material name Finished Product Code Quantity Bottom Cover Plate 01265200125 Electric Box Assay 100002061152 Terminal Board 42000100000101 Terminal Board 42018000551 Main Board 300002060227 Hook 02112466 Choke Plug of Drain Pipe 76815214 Foam Sub-assay...
  • Page 167 GREE U-Match 5 SERIES UNIT SERVICE MANUAL Material name Finished Product Code Quantity Main Board 300002060223 Terminal Board 4201800002601 Radiator 49018000068 Main Board 30221000033 Electric Box Assay 100002061236 Reactor 43138000047 Terminal Board 42000100000101 Left Side Plate Assay 01314100118 Hook 02112466...
  • Page 168 GREE U-Match 5 SERIES UNIT SERVICE MANUAL GUD35PS/A-T(Product Code： CF022N1640 Material name Finished Product Code Quantity Top Cover Board Assay 000132000019 Main Board 300002060223 Terminal Board 42018000551 Terminal Board 42011106 Electric Box Assay 100002002911 Left Side Plate Assay 000080000022 Hook 2...
  • Page 169 GREE U-Match 5 SERIES UNIT SERVICE MANUAL Material name Finished Product Code Quantity Blower Mounting Plate Sub-assay 01325200034 Brushless DC Motor 1570410000102 Centrifugal Fan 10425200003 Centrifugal Fan Assay 15404100031 Propeller Housing（Upper） 26905200018 Propeller Housing（Lower） 26905200019 Filter Sub-assay 111001000082 Temperature Sensor...
  • Page 170 GREE U-Match 5 SERIES UNIT SERVICE MANUAL Material name Finished Product Code Quantity Hook 2 01344100034 Evaporator Assay 011001060229 Air Outlet Frame Assay 01374100058 Cover Of Air-in 01265200073 Bottom Cover Plate Assay 01264100103 Hook 02112446 Water Tray Assay 01285200022 Right Side Plate Assay...
  • Page 171 GREE U-Match 5 SERIES UNIT SERVICE MANUAL Material name Finished Product Code Quantity Top Cover Board Assay 0126520015101 Main Board 300002060223 Terminal Board 42018000551 Terminal Board 42011106 Electric Box Assay 100002002911 Liquid Level Switch 430024000005 Left Side Plate Assay 000080000025...
  • Page 172 GREE U-Match 5 SERIES UNIT SERVICE MANUAL GUD100PHS/A-T(Product Code： CF022N1580 Material name Finished Product Code Quantity Air Outlet Frame Assay 01375200026 Choke Plug of Drain Pipe 76815214 Bottom Cover Plate 01265200131 Cover Of Air-in 01265200132 Right Side Plate Assay 01315200124...
  • Page 173 GREE U-Match 5 SERIES UNIT SERVICE MANUAL Material name Finished Product Code Quantity Terminal Board 42000100000101 Left Side Plate Assay 01315200147 Water Pump Assay 000104060007 Water Pump 81200706001601 Pump Drainpipe 200070060004 Liquid Level Switch 430024000005 Evaporator Assay 011001060100 GUD125PHS/A-T(Product Code：...
  • Page 174 GREE U-Match 5 SERIES UNIT SERVICE MANUAL Material name Finished Product Code Quantity Joint Slack 73018731 Rotary Axis Sub-assay 73018000117 Return Air Frame Sub-assay 017026000003 Bearing Holder Sub-assay 26151139 Support Of Motor Bearing 02285200001 Temperature Sensor 390001921 Ambient Temperature Sensor...
  • Page 175 GREE U-Match 5 SERIES UNIT SERVICE MANUAL Material name Finished Product Code Quantity Air Outlet Frame Assay 01375200023 Choke Plug of Drain Pipe 76815214 Bottom Cover Plate 01265200125 Cover Plate(Air return) 01265200123 Hook 02112466 Right Side Plate Assay 01315200148 Centrifugal Fan Assay...
  • Page 176 GREE U-Match 5 SERIES UNIT SERVICE MANUAL GUD35ZD/A-T(Product Code： ED020N1720 Material name Finished Product Code Quantity Remote Controller 305001060024 Ambient Temperature Sensor 3900012123 Temperature Sensor 390001923 Right Cover Plate 26909400071 Right Side Plate 26909400074 Installation Supporting Frame(right) 01809402 Axial Bush...
  • Page 177 GREE U-Match 5 SERIES UNIT SERVICE MANUAL Material name Finished Product Code Quantity Propeller Housing(Lower) 200230000001 Brushless DC Motor 15706000037 Centrifugal Fan 103003000001 Propeller Housing(Upper) 200230000002 Rear Side Plate Sub-assay 017051000046 Filter Sub-assay 111001000001 Swing Lever 10582009 Air Louver 200007000001...
  • Page 178 GREE U-Match 5 SERIES UNIT SERVICE MANUAL Material name Finished Product Code Quantity Swing Lever 10582009 Air Louver 200007000001 Supporter(Guide Louver) 26909400076 Right Cover Plate 26909400071 Installation Supporting Frame(Right) 01809402 Right Side Plate 26909400074 Axial Bush 10542704 Front Panel 200003000001...
  • Page 179 GREE U-Match 5 SERIES UNIT SERVICE MANUAL GUD71ZD/A-T(Product Code： ), GUD85ZD/A-T(Product Code： ED020N1740 ED020N1750 Material name Finished Product Code Remarks Remote Controller 305001060024 Ambient Temperature Sensor 3900012123 Temperature Sensor 390001923 Right Cover Plate 26909400071 Right Side Plate 26909400074 Installation Supporting Frame(right)
  • Page 180 GREE U-Match 5 SERIES UNIT SERVICE MANUAL Material name Finished Product Code Remarks Electric Box Assay 100002003030 Clapboard Sub-Assay 01249400018 Support Of Motor Bearing 01792408 O-Gasket of Bearing 76512404 Propeller Housing(Lower) 200230000001 Centrifugal Fan 103003000001 Joint Slack 73018731 Brushless DC Motor...
  • Page 181 GREE U-Match 5 SERIES UNIT SERVICE MANUAL Material name Finished Product Code Quantity Remote Controller 305001060024 Temperature Sensor 390001921 Ambient Temperature Sensor 3900012123 Drainage Pipe Sub-Assay 05235434 Water Tray 200063000003 Swing Lever 10582009 Air Louver 200007000001 Supporter 26909400076 Rotating Shaft 3...
  • Page 182 GREE U-Match 5 SERIES UNIT SERVICE MANUAL GUD125ZD/A-T(Product Code： ED020N1690 Material name Finished Product Code Quantity Remote Controller 305001060024 Ambient Temperature Sensor 3900012123 Tube Sensor 3900020720G Right Cover Plate 26909400071 Right Side Plate 26909400074 Installation Supporting Frame(right) 01809402 Axial Bush...
  • Page 183 GREE U-Match 5 SERIES UNIT SERVICE MANUAL Material name Finished Product Code Quantity Electric Box Assay 100002003030 Support Of Motor Bearing 01792408 O-Gasket of Bearing 76512404 Propeller Housing(Lower) 200230000001 Roller Wheel 700004000001 Joint Slack 73018731 Brushless DC Motor 15709400005 Centrifugal Fan...
  • Page 184 GREE U-Match 5 SERIES UNIT SERVICE MANUAL Material name Finished Product Code Remarks Remote Controller 305001060024 Ambient Temperature Sensor 3900012123 Tube Sensor 3900020720G Right Cover Plate 26909400071 Right Side Plate 26909400074 Installation Supporting Frame(right) 01809402 Axial Bush 10542704 Evaporator Assay...

  • Page 185: Appendices

    GREE U-Match 5 SERIES UNIT SERVICE MANUAL Appendices 1 Resistance/temperature lists of temperature sensors 1.1 Voltage list of 15 kΩ temperature sensors (including ODU and IDU temperature sensors) Temperature Resistance Temperature Resistance Voltage (V) Voltage (V) (kΩ) (kΩ) (° C) (°...
  • Page 186 GREE U-Match 5 SERIES UNIT SERVICE MANUAL Temperature Resistance Temperature Resistance Voltage (V) Voltage (V) (kΩ) (kΩ) (° C) (° C) 27.18 1.174 0.925 3.108 25.92 1.21 0.898 3.114 24.73 1.246 0.873 3.119 23.6 1.282 0.848 3.123 22.53 1.319 0.825 3.128...

  • Page 187: Voltage List Of 20 Kω Pipeline Temperature Sensors (Including Temperature Sensors For Defroster, Idu And Odu Pipes)

    GREE U-Match 5 SERIES UNIT SERVICE MANUAL Temperature Resistance Temperature Resistance Voltage (V) Voltage (V) (kΩ) (kΩ) (° C) (° C) 4.294 2.566 0.299 3.235 4.139 2.586 0.292 3.237 3.99 2.607 0.286 3.238 3.848 2.626 0.279 3.24 3.711 2.646 0.273 3.241...
  • Page 188 GREE U-Match 5 SERIES UNIT SERVICE MANUAL Temperature Resistance Temperature Resistance Voltage (V) Voltage (V) (kΩ) (kΩ) (° C) (° C) 110.3 0.507 2.059 2.992 104.6 0.53 1.996 3.001 99.13 0.554 1.934 3.009 0.579 1.875 3.017 89.17 0.605 1.818 3.025 84.61...
  • Page 189 GREE U-Match 5 SERIES UNIT SERVICE MANUAL Temperature Resistance Temperature Resistance Voltage (V) Voltage (V) (kΩ) (kΩ) (° C) (° C) 14.18 1.931 0.6074 3.203 13.59 1.965 0.5921 3.205 13.04 1.998 0.5772 3.207 12.51 2.03 0.5627 3.21 2.063 0.5487 3.212 11.52...

  • Page 190: Voltage List Of 50 Kω Discharge Temperature Sensors (Including Discharge Air Temperature Sensor)

    GREE U-Match 5 SERIES UNIT SERVICE MANUAL 1.3 Voltage list of 50 kΩ discharge temperature sensors (including discharge air temperature sensor) Temperature Resistance Temperature Resistance Voltage (V) Voltage (V) (kΩ) (kΩ) (° C) (° C) 911.56 0.036 11.736 1.518 853.66 0.038...
  • Page 191 GREE U-Match 5 SERIES UNIT SERVICE MANUAL Temperature Resistance Temperature Resistance Voltage (V) Voltage (V) (kΩ) (kΩ) (° C) (° C) 113.37 0.267 3.5143 2.442 107.96 0.28 3.4128 2.46 102.85 0.292 3.3147 2.478 98.006 0.306 3.22 2.496 93.42 0.319 3.1285 2.514...

  • Page 192: Temperature/Pressure List Of Refrigerant

    GREE U-Match 5 SERIES UNIT SERVICE MANUAL Temperature Resistance Temperature Resistance Voltage (V) Voltage (V) (kΩ) (kΩ) (° C) (° C) 17.651 1.193 1.1476 2.96 16.99 1.223 1.1166 2.969 16.358 1.252 1.0913 2.975 15.753 1.281 1.0667 2.982 15.173 1.311 1.0429 2.988...

  • Page 193: Refrigerant Notice/Concentration

    GREE U-Match 5 SERIES UNIT SERVICE MANUAL 3. Refrigerant Notice/Concentration This air conditioner uses R32 refrigerant. The construction area for installation, operation and storage of the air conditioner must be larger than the minimum construction area. The minimum area for installation is determined by: 1、Refrigerant charging quantity for the entire system (ex-factory charging quantity + additional charging...

  • Page 194: Operation Tools

    GREE U-Match 5 SERIES UNIT SERVICE MANUAL 18.6 27.8 20.0 29.9 21.5 32.1 23.0 34.3 24.5 36.6 26.1 39.1 27.8 41.5 29.5 44.1 31.3 46.7 33.1 49.4 34.9 52.2 36.9 55.1 38.8 58.0 10.8 61.0 4. Operation Tools The following tools will be used: 1) Liquid-level gauge; 2) Screwdriver; 3) Electric driven rotary hammer; 4) Drill; 5) Pipe expander;...
  • Page 195 JF00303775...

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