Page 1 GREE COMMERCIAL AIR CONDITION A/A DC INVERTER U-MATCH AIR CONDITIONERS A/A DC Inverter U-MATCH Air Conditioners Service Manual （T1/R410A/50Hz） GREE ELECTRIC APPLIANCES INC. OF ZHUHAI...
Page 2: Table Of Contents
GREE COMMERCIAL AIR CONDITION A/A DC INVERTER U-MATCH AIR CONDITIONERS CONTENTS PRODUCT ..............................1 1 MODELS LIST..........................2 1.1 Outdoor Unit ......................2 1.2 Indoor Unit........................3 2 NOMENCLATURE ......................... 4 3 FUNCTION............................5 4 PRODUCT DATA .......................6 4.1 Product Data at Rated Condition................6 4.2 Operation Range ....................19...
Page 3 GREE COMMERCIAL AIR CONDITION A/A DC INVERTER U-MATCH AIR CONDITIONERS Motor ..........................113 2.3 Typical Troubleshooting for C series Outdoor Unit Drive (Inverter) by Single-phase Motor ..........................117 2.4 Typical Troubleshooting Outdoor Unit Drive (Inverter) by Three-phase Motor..124 3 WIRING DIADRAM........................132 3.1 Outdoor unit......................132 3.2 Indoor unit ......................136...
Page 4: Product
GREE COMMERCIAL AIR CONDITION A/A DC INVERTER U-MATCH AIR CONDITIONERS PRODUCT...
Page 5: Models List
A/A DC INVERTER U-MATCH AIR CONDITIONERS PRODUCT PRODUCT 1 MODELS LIST 1.1 Outdoor Unit Power supply Model Name Ref. Appearance (V, Ph, Hz) GUHD09NK3CO R410A 220-240 1 Ph～ 50 Hz GUHD12NK3CO R410A 220-240 V 1 Ph～ 50 Hz GUHD18NK3CO R410A 220-240 V 1 Ph～...
Page 6: Indoor Unit
A/A DC INVERTER U-MATCH AIR CONDITIONERS PRODUCT 1.2 Indoor Unit Nominal Capacity Power Type Model Name Cooling/Heati Ref. supply Appearance (V, Ph, Hz) (Btu/h) GFH09K3CI 9000/10000 R410A GFH12K3CI 12000/12600 R410A GFH18K3CI 18000/21000 R410A GFH24K3CI 24000/25500 R410A 220-240V Duct 1Ph～ Type GFH30K3CI 28000/30000 R410A...
Page 7: Nomenclature
The universal outdoor units means that the customer can choose any of three kind of indoor unit to match the outdoor unit without any change with it. 2 NOMENCLATURE Description Options Gree Electric Appliances Inc Capital Letter :G U=Match Outdoor Unit F=Duct Type Unit Type...
Page 8: Function
A/A DC INVERTER U-MATCH AIR CONDITIONERS PRODUCT 3 FUNCTION Function Description when unit restarts after power off, it will run on former status, the mode and Memory function parameter are kept the same wireless controller and remote controller can be selected, and the maximum Remote control function control distance of remote controller is 10m.
Page 9: Product Data
A/A DC INVERTER U-MATCH AIR CONDITIONERS PRODUCT 4 PRODUCT DATA 4.1 Product Data at Rated Condition 4.1.1 Duct Type Indoor unit GFH09K3CI GFH12K3CI Model Outdoor unit GUHD09NK3CO GUHD12NK3CO Cooling Btu/h 9212 12000 Nominal Capacity Heating Btu/h 9895 12600 Cooling 0.83 1.077 Power Input Heating...
Page 10 A/A DC INVERTER U-MATCH AIR CONDITIONERS PRODUCT Continued Indoor unit GFH18K3CI GFH24K3CI GFH30K3CI Model Outdoor unit GUHD18NK3CO GUHD24NK3CO GUHD30NK3CO Cooling Btu/h 18000 24000 28000 Nominal Capacity 6.15 Heating Btu/h 21000 25500 30000 Power Cooling 1.65 2.19 2.56 Input Heating 2.08 2.44 EER/COP 3.21/3.61...
Page 11 A/A DC INVERTER U-MATCH AIR CONDITIONERS PRODUCT Continued: 2 Indoor unit GFH36K3CI GFH42K3CI GFH36K3CI Model Outdoor unit GUHD36NK3CO GUHD42NK3CO GUHD36NM3CO 10.3 10.3 Cooling Btu/h 35140 37530 35140 Nominal Capacity 11.5 13.2 11.5 Heating Btu/h 39238 45038 39238 Cooling 3.208 3.427 3.17 Power Input...
Page 12 A/A DC INVERTER U-MATCH AIR CONDITIONERS PRODUCT Continued: 3 Indoor unit GFH42K3CI GFH48K3CI GFH48K3CI Model Outdoor unit GUHD42NM3CO GUHD48NM3CO GUHD48NK3CO Cooling Btu/h 37530 48000 48000 Nominal Capacity 13.2 16.5 16.5 Heating Btu/h 45038 56000 56000 Cooling 4.35 4.35 Power Input Heating EER/COP 3.24/3.88...
Page 13 A/A DC INVERTER U-MATCH AIR CONDITIONERS PRODUCT Continued:4 Indoor unit GFH60K3CI Model Outdoor unit GUHD60NM3CO Cooling Btu/h 58000 Nominal Capacity Heating Btu/h 61400 Cooling Power Input Heating EER/COP 3.20/3.60 Indoor Unit GFH60K3CI Power Supply 220-240V-50Hz-1Ph － Heat Exchange － Cross Fin Coil Type Centrifugal fan －...
Page 14 A/A DC INVERTER U-MATCH AIR CONDITIONERS PRODUCT 4.1.2 Cassette Type Indoor unit GKH12K3CI GKH18K3CI GKH24K3CI Model Outdoor unit GUHD12NK3CO GUHD18NK3CO GUHD24NK3CO Cooling Btu/h 18000 24000 Nominal 11600 Capacity 6.15 8.65 Heating Btu/h 21000 29500 12600 Cooling 1.65 2.19 1.03 Power Input Heating 1.025 EER/COP...
Page 15 A/A DC INVERTER U-MATCH AIR CONDITIONERS PRODUCT Continued Indoor unit GKH30K3CI GKH36K3CI GKH42K3CI Model Outdoor unit GUHD30NK3CO GUHD36NK3CO GUHD42NK3CO 10.3 Cooling Btu/h 30000 35140 37532 Nominal Capacity 11.2 12.4 Heating Btu/h 32400 38210 42300 Power Cooling 2.75 3.427 Input Heating 2.64 3.434 EER/COP...
Page 16 A/A DC INVERTER U-MATCH AIR CONDITIONERS PRODUCT Continued Indoor unit GKH36K3CI GKH42K3CI Model Outdoor unit GUHD36NM3CO GUHD42NM3CO 10.3 Cooling Btu/h 35140 37530 Nominal Capacity 11.2 12.4 Heating Btu/h 38210 42300 Cooling 3.18 Power Input Heating EER/COP 3.24/3.61 3.33/3.75 Indoor Unit GKH36K3CI GKH42K3CI Power Supply...
Page 17 A/A DC INVERTER U-MATCH AIR CONDITIONERS PRODUCT 4.1.3 Ceiling Type Indoor unit GTH09K3CI GTH12K3CI Model Outdoor unit GUHD09NK3CO GUHD12NK3CO Cooling Btu/h 10236 11600 Nominal Capacity Heating Btu/h 10236 13000 Power Cooling 0.857 1.059 Input Heating 0.75 0.927 EER/COP 3.5/4.0 3.21/4.1 Indoor Unit GTH09K3CI GTH12K3CI...
Page 18 A/A DC INVERTER U-MATCH AIR CONDITIONERS PRODUCT Continued Indoor unit GTH18K3CI GTH24K3CI GTH30K3CI Model Outdoor unit GUHD18NK3CO GUHD24NK3CO GUHD30NK3CO Cooling Btu/h 18000 24000 30000 Nominal Capacity 6.15 Heating Btu/h 21000 27000 32400 Cooling 1.65 2.19 2.75 Power Input Heating 2.22 2.64 EER/COP 3.21/3.61...
Page 19 A/A DC INVERTER U-MATCH AIR CONDITIONERS PRODUCT Continued：2 Indoor unit GTH36K3CI GTH42K3CI GTH36K3CI Model Outdoor unit GUHD36NK3CO GUHD42NK3CO GUHD36NM3CO 10.6 11.9 10.6 Cooling Btu/h 36160 40600 36167 Nominal Capacity 13.5 Heating Btu/h 40940 46060 40940 Power Cooling 3.26 3.707 3.262 Input Heating 3.16...
Page 20 A/A DC INVERTER U-MATCH AIR CONDITIONERS PRODUCT Continued: 3 Indoor unit GTH42K3CI GTH48K3CI GTH48K3CI Model Outdoor unit GUHD42NM3CO GUHD48NM3CO GUHD48NK3CO 11.9 Cooling Btu/h 40600 48000 48000 Nominal Capacity 16.5 16.5 Heating Btu/h 44356 56000 56000 Power Cooling Input Heating EER/COP 3.3/3.94 3.33/3.75 3.33/3.75...
Page 21 A/A DC INVERTER U-MATCH AIR CONDITIONERS PRODUCT Continued:4 Indoor unit GTH60K3CI Model Outdoor unit GUHD60NM3CO Cooling Btu/h 54500 Nominal Capacity 17.5 Heating Btu/h 59700 Cooling Power Input Heating 4.86 EER/COP 3.20/3.60 Indoor Unit GTH60K3CI Power Supply 220-240V-50Hz-1Ph － Heat Exchange －...
Page 22: Operation Range
A/A DC INVERTER U-MATCH AIR CONDITIONERS PRODUCT Note： ① Nominal capacities are based on the follow conditions. Mode Indoor Outdoor DB：27 (80.6 ) DB：35 (95 ) ℃ ℃ ℃ ℃ Cooling WB：19 (66.2 ) WB：24 (75.2 ) ℃ ℃ ℃ ℃...
Page 23: Electrical Data
A/A DC INVERTER U-MATCH AIR CONDITIONERS PRODUCT 4.3 Electrical Data Compressor Fan Motor Max. Fuse Min. Breaker Size Disconnect Size Power Condenser Supply Blower Model Qty. (Indoor/Outdoor) (Indoor/Outdoor) Supply Fan Motors Motor V,Ph,Hz — Each FLA Each FLA Each Amperes Amperes GFH09K3CI 0.31A...
Page 24: Piping Diagram
A/A DC INVERTER U-MATCH AIR CONDITIONERS PRODUCT 5 PIPING DIAGRAM Outdoor Heat Exchange 4-way Valve Throttle Compressor Heating Cooling Vapour Liquid Separator Outdoor Indoor Indoor Heat Exchange Throttling Method: GUHD09NK3CO~GUHD12NK3CO:Capillary Tube GUHD18NK3CO~GUHD48NK3CO:Electronic expansion valve GUHD36NM3CO~GUHD60NM3CO:Electronic expansion valve...
Page 25 GREE COMMERCIAL AIR CONDITION A/A DC INVERTER U-MATCH AIR CONDITIONERS CONTROL...
Page 26: Control
A/A DC INVERTER U-MATCH AIR CONDITIONERS CONTROL CONTROL 1 OPERATION FLOWCHART 1.1Cooling/Dry Operation...
Page 27: Heating Operation
A/A DC INVERTER U-MATCH AIR CONDITIONERS CONTROL 1.2 Heating Operation...
Page 28: Main Logic
A/A DC INVERTER U-MATCH AIR CONDITIONERS CONTROL 2 MAIN LOGIC 2.1 Cooling Cooling mode 3min Send out switch-off command Acc.to control logic compressor Acc.to control logic Outdoor fan 180steps Xsteps 150s atfer the compressor is stoped Firstly switch off to step 0 and then switch off step 60 4-way valve Indoor fan...
Page 29: Dry Mode
A/A DC INVERTER U-MATCH AIR CONDITIONERS CONTROL 2.2 Dry Mode Max.capacity out put:A × 90% Dry Mode Send out switch-off command 3min Acc.to controll logic Compressor Acc.to controll logic Outdoor fan Xsteps 180steps 150s atfer the compressor is stoped Firstly switch off to step 0 150s and then switch off step 60 4-way valve...
Page 30: Heating Mode
A/A DC INVERTER U-MATCH AIR CONDITIONERS CONTROL 2.3 Heating Mode Heating mode 3min Send out switch-off command Acc.to controll logic compressor Acc.to controll logic outdoor fan Xsteps 150s atfer the compressor is stoped 150s Firstly switch off to step 0 and then switch off step 60 120s 4-way valve...
Page 31: Defrosting
A/A DC INVERTER U-MATCH AIR CONDITIONERS CONTROL 2.4 Defrosting H e a tin g /D e fro s tin g T im e s e q u e n c e c h a rt C o n d itio n fo r e n d in g th e d e fro st D e fro stin g D e fro stin g...
Page 32: Fan Mode
A/A DC INVERTER U-MATCH AIR CONDITIONERS CONTROL 2.5 Fan Mode Fan Mode Start Manual speed Compressor Outdoor fan Run at present High fan speed Indoor fan 4-way valve Time The indoor fan will run at high speed for 5 seconds before running at preset speed...
Page 33: Wireless Remote Controller
A/A DC INVERTER U-MATCH AIR CONDITIONERS CONTROL 3 WIRELESS REMOTE CONTROLLER 3.1 Operation View 3.1.1 Controller-Duct Type SWING AUTO FAN OPER AUTO SWING MODE ON/OFF Name Function description ON/OFF button Press the button to set turning on/off the unit Press the button to select the mode, Mode button cooling , heating , fan or auto mode.
Page 34 A/A DC INVERTER U-MATCH AIR CONDITIONERS CONTROL 3.1.2 Controller-Cassette Type and Ceiling Type SWING SWING AUTO FAN Auto Fan OPER OPER AUTO AUTO SWING HUMID LIGHT SAVE SWING HUMID LIGHT SAVE TIMER TIMER ON/OFF ON/OFF SLEEP LIGHT HUMID TIME ON TIME OFF ANION SAVE...
Page 35 A/A DC INVERTER U-MATCH AIR CONDITIONERS CONTROL 3.2 Display View SWING AUTO FAN OPER AUTO SWING HUMID LIGHT SAVE TIMER ONOFF Display Function description ：auto fan speed, ：low fan speed, Fan Speed ：middle fan speed ：high fan speed，：Auto running；：Cool running；...
Page 36: Wired Remote Controller
A/A DC INVERTER U-MATCH AIR CONDITIONERS CONTROL 4 WIRED REMOTE CONTROLLER 4.1 Operation View 4.1.1 LCD Display of Wired Controller...
Page 37: Buttons
A/A DC INVERTER U-MATCH AIR CONDITIONERS CONTROL 4.1.2 Instruction to LCD Display Description Instruction to Displaying Contents Swing Swing function Air exchange function Sleep Sleeping states Running mode Each kind of running mode of indoor unit (auto mode) Cooling Cooling mode Dry mode Fan mode Heating...
Page 38 A/A DC INVERTER U-MATCH AIR CONDITIONERS CONTROL 4.2.2 Instruction to Function of Buttons Description Function of Button （1）Function selection and canceling; Enter/cancel （2）Press it for 5s to enquiry the outdoor ambient temperature. （1）Running temperature setting of indoor unit, range :16～30℃ ▲...
Page 39: Installation Of Wired Controller And Project Debugging
A/A DC INVERTER U-MATCH AIR CONDITIONERS CONTROL 4.3 Installation of Wired Controller and Project Debugging 4.3.1 Installation of Wired Controller Fig.4.3.1: Fig.1 Fig.4.3.2: Fig.2 Surface mounting of Cable Concealed mounting of Cable Fig.4.3.3: Sketch for Installation of Wired Controller Socket’s base Soleplate of Front panel of Description...
Page 40 A/A DC INVERTER U-MATCH AIR CONDITIONERS CONTROL Caution: During connection of wirings, pay special attention to the following items to avoid interference of electromagnetism to unit and even failure of it. 1. To ensure normal communication of the unit, signal line and wiring (communication) of wired controller should be separate from power cord and indoor/outdoor connection lines.
Page 41: Instruction To Operation
A/A DC INVERTER U-MATCH AIR CONDITIONERS CONTROL 4.4 Instruction to Operation 4.4.1 On/Off Press On/Off button to turn on the unit. Repress this button to turn off the unit. Note: The state shown in Fig.4.4.1 indicates off-state of the unit after energization. The state shown in Fig.4.4.2 indicates on-state of the unit after energization.
Page 42 A/A DC INVERTER U-MATCH AIR CONDITIONERS CONTROL 4.4.3 Temperature Setting Press ▲ or ▼ button to increase or decrease of setting temperature under on-state of the unit. If press either of them continuously, temperature will be increased or decreased by 1°C every 0.5s. In Cooling, Dry, Fan and Heating mode, temperature setting range is 16°C～30°C.
Page 43 A/A DC INVERTER U-MATCH AIR CONDITIONERS CONTROL 4.4.5 Swing Control Function Under on-state of unit, press Function button till the unit enters swing control function and then press “Enter/cancel “ button to turn on “swing” control function. During swing function, press Function button till the unit enters swing control function and then press Enter/cancel button to cancel swing control function.
Page 44 A/A DC INVERTER U-MATCH AIR CONDITIONERS CONTROL Fig. 4.4.6 Timer setting under on state of the unit Timer range: 0.5-24hr. Every press of▲ or ▼ button will make setting time increased or decreased by 0.5hr.If press either of them continuously, setting time will automatically increase/ decrease by 0.5hr every 0.5s. Note: 1.
Page 45 A/A DC INVERTER U-MATCH AIR CONDITIONERS CONTROL 4.4.7 Air Exchange Setting＊ Turn on air Exchange function: Under on-state of the unit, press Function button to go to the this function setting (Air mark blinks).AIR 1 displayed at the ambient temperature-displayed location (888) is defaulted (the last type of AIR will be displayed after adjustment).Press ▲...
Page 46 A/A DC INVERTER U-MATCH AIR CONDITIONERS CONTROL 4.4.8 Sleep Setting Sleep on: Press Function button under on-state of the unit into sleep function and then press Enter/cancel button to turn on sleeping function. Sleep off: During sleep on-state, press Function button to go to the sleep function and then press Enter/cancel button to turn off this function.
Page 47 A/A DC INVERTER U-MATCH AIR CONDITIONERS CONTROL Fig.4.4.9 Turbo Function Setting Note: 1. TURBO function will be turned off after power failure and then recovery. In dry, fan and auto mode, TURBO function can not be set and TURBO mark won’t be displayed. 2.
Page 48 A/A DC INVERTER U-MATCH AIR CONDITIONERS CONTROL Fig.4.4.10 Energy Saving Setting Note: 1. In Auto running mode with save function on, the unit will be forcibly quit Auto running Mode and change to current operation mode, After setting of save, sleep function will be canceled. 2.
Page 49 A/A DC INVERTER U-MATCH AIR CONDITIONERS CONTROL 4.4.11 E-HEATER Setting＊ E-HEATER: In the heating mode, E-heater is allowed to be turned on for improvement of efficiency. If heating mode is turned on by button operation, auxiliary electric heating function will be automatically turned Press Function button in heating mode to go to the auxiliary electric heating function, the E-HEATER blinking, and press Enter/cancel button to turn on this function.
Page 50 A/A DC INVERTER U-MATCH AIR CONDITIONERS CONTROL 4.4.12 Blow Function Setting BLOW function: After the unit is turned off, water in evaporator of indoor unit will be automatically evaporated to avoid mildew. In cooling and dry mode, press Function button till the unit enters BLOW function, with BLOW blinking, and then press Enter/cancel button to turn on this function.
Page 51 A/A DC INVERTER U-MATCH AIR CONDITIONERS CONTROL 4.4.13 Quiet Function Setting Quiet function consists of two kinds: QUIET and AUTO QUIET. Press Function button till the unit enters quiet function setting state, Quiet or Auto Quiet mark blinks. In this case, press▲...
Page 52 A/A DC INVERTER U-MATCH AIR CONDITIONERS CONTROL 4.4.14 Field Functions Under off-state of the unit, press Function and Timer buttons continuously for 5s to go to the debugging menu. Press Mode button to adjust the setting items and ▲ or ▼ button to set the actual value. 4.4.14.1 Ambient Temperature Sensor Setting In field setting mode, press Mode button to adjust the temperature displayed location displaying 00, and press ▲...
Page 53: Error Display
A/A DC INVERTER U-MATCH AIR CONDITIONERS CONTROL Under off-state of the unit, press Mode and ▼ at the same time for 5s, the displayer panel will switch between Centigrade and Fahrenheit. 4.5 Error Display If there is malfunction during running of the system, LCD will display error code at temperature–displayed location.
Page 54: Dimension
DC INVERTER U-MATCH AIR CONDITIONERS CONTROL Error code meaning: Error code Malfunction High pressure protection of compressor Indoor anti-freezing protection Low pressure protection of compressor High discharge temperature protection of compressor Compressor overload protection Communication malfunction Water overflow protection Indoor unit ambient sensor malfunction at air return opening Evaporator sensor malfunction Condenser sensor malfunction Outdoor unit ambient temperature sensor mal...
Page 55: Centralized Controller
DC INVERTER U-MATCH AIR CONDITIONERS CONTROL 5 CENTRALIZED CONTROLLER 5.1 Centralized Controller-not with week timer 5.1.1 Function Centralized Controller-not with week timer only control on-off function of every unit. Up to 16 sets of units can be controlled simultaneously by the centralized controller-not with week timer. 5.1.2 Operation View Name Function description...
Page 56: Centralized Controller-Week Timer
DC INVERTER U-MATCH AIR CONDITIONERS CONTROL 5.1.4 Dimensions 5.2 Centralized Controller-week timer 5.2.1 Function Centralized Control and Week Timer Functions: The centralized controller and the weekly timer are integrated in the same wire controller. The system has both the centralized control and the week timing functions. Up to 16 sets of units can be controlled simultaneously by the centralized controller (weekly timer).
Page 57 DC INVERTER U-MATCH AIR CONDITIONERS CONTROL Name Function description ENTER button Press the button to let setting validate. Press “▲” and selected the unit or a certain day in one week or specific value. Increasing button Press “▲” can set week part of time. Press “...
Page 58: Smart Zone Controller
DC INVERTER U-MATCH AIR CONDITIONERS CONTROL 5.2.4 Dimensions 5.3 Smart Zone Controller 5.3.1 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, central control and shielding setting etc.
Page 59 GREE COMMERCIAL AIR CONDITION A/A DC INVERTER U-MATCH AIR CONDITIONERS 5.3.3 Functions of Press Buttons Table 2: Functions of Press Buttons Name Function Description Mode It is used for the switchover among different modes It is used to set the fan speed, high, medium, low or auto.
Page 60 GREE COMMERCIAL AIR CONDITION A/A DC INVERTER U-MATCH AIR CONDITIONERS Functions of Press Buttons Table 2: Functions of Press Buttons Name Function Description Mode It is used for the switchover among different modes It is used to set the fan speed, high, medium, low or auto.
Page 61 GREE COMMERCIAL AIR CONDITION A/A DC INVERTER U-MATCH AIR CONDITIONERS Introduction to Symbols on the LCD Fig.2 Symbols on the LCD Table 1: Introduction to the Symbols on the LCD Name Description Fan speed It displays the fan speed of the indoor unit, high, medium, low and auto.
Page 62 GREE COMMERCIAL AIR CONDITION A/A DC INVERTER U-MATCH AIR CONDITIONERS 5.3.7 Dimensions...
Page 63 GREE COMMERCIAL AIR CONDITION A/A DC INVERTER U-MATCH AIR CONDITIONERS INSTALLATION...
Page 64: Installation
A/A DC INVERTER U-MATCH AIR CONDITIONERS INSTALLATION 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 65 A/A DC INVERTER U-MATCH AIR CONDITIONERS INSTALLATION Figure 1-1-3 4） Install the hanger onto the indoor unit as Figure 1-1-2 and Figure 1-1-3 shows. 5） Install the indoor unit at the ceiling as Figure 1-1-5 shows. Screw Hanger Return Supply air Enlargement Figure 1-1-5 6）...
Page 66 A/A DC INVERTER U-MATCH AIR CONDITIONERS INSTALLATION 7） Level inspection of the indoor unit After the indoor unit is installed, it is required to check the level of the whole unit. The unit must be placed horizontally, but the condensate pipe shall be installed obliquely, so as to facilitate the drainage of condensate.
Page 67 A/A DC INVERTER U-MATCH AIR CONDITIONERS INSTALLATION Be suit for : GFH24K3CI GFH30K3CI GFH36K3CI GFH42K3CI GFH48K3CI...
Page 68 A/A DC INVERTER U-MATCH AIR CONDITIONERS INSTALLATION Item Model GFH09K3CI GFH12K3CI GFH18K3CI GFH24K3CI 1101 1159 1270 1002 GFH30K3CI GFH36K3CI 1011 1115 1226 GFH42K3CI GFH48K3CI 1015 1115 1226 GFH60K3CI 1353 1150 1463 Unit：mm Installation Accessories List for Duct-type Indoor Unit Name & Shape Notes Installation and Operating Instructions Insulation materials for gas pipe...
Page 69 A/A DC INVERTER U-MATCH AIR CONDITIONERS INSTALLATION 1.1.5 Installation Clearance Data Be suit for : GFH09K3CI GFH12K3CI GFH18K3CI Be suit for: GFH24K3CI GFH30K3CI GFH36K3CI GFH42K3CI GFH48K3CI Be suit for : GFH60K3CI Fig.36 ： The height of installation for the indoor unit should be 2.5m above. Warning...
Page 70 A/A DC INVERTER U-MATCH AIR CONDITIONERS INSTALLATION 1.1.6 Drain Piping Work 1） Installation of Drainage Pipeline A drainage outlet is located at both the left and right sides of the indoor unit. After selecting one drainage outlet, the other outlet shall be blocked by rubber plug. Bundle the blocked outlet with string to avoid leakage, and also use thermal insulation materials to wrap the blocked outlet.
Page 71 A/A DC INVERTER U-MATCH AIR CONDITIONERS INSTALLATION supports. The joints of the pipes must be sealed by glue so as to avoid leakage. The design and installation of air duct must be in conformity with the relevant state engineering criteria. The edge of the return air duct must be at least 150mm away from the wall.
Page 72 A/A DC INVERTER U-MATCH AIR CONDITIONERS INSTALLATION Fig. 1-1-12 Installation of round air duct, as shown in Figure 1-1-12 Number Name Number Name Hanger rod Transition air duct Return air duct Supply air duct Canvas air duct Diffuser Return air louver Diffuser joint Supply air outlet Notes:...
Page 73 A/A DC INVERTER U-MATCH AIR CONDITIONERS INSTALLATION beneath, as shown in Fig. 1-1-14. Down return air inlet Down return air inlet Cover plate of return air inlet Figure 1-1-14 If down return air inlet is to be used, just change the position between square flange and cover plate of return air inlet.
Page 74: Installation Of Ceiling Type
A/A DC INVERTER U-MATCH AIR CONDITIONERS INSTALLATION 4） Installation of round Supply air outlet Figure 1-1-16 1.2 Installation of Ceiling Type 1.2.1 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.
Page 75 A/A DC INVERTER U-MATCH AIR CONDITIONERS INSTALLATION 1-2-2) Adjust the height by turning the nut with a spanner. Insert the spanner from the hanger bracket opening. (Refer to Figure 1-2-5) Hanger bracket Figure 1-2-1 Figure 1-2-2 Figure 1-2-3 Hanger bracket Figure 1-2-4 In case of hanging: It is possible to install using inward facing hanger bracket by not removing the brackets from the indoor unit.
Page 76 A/A DC INVERTER U-MATCH AIR CONDITIONERS INSTALLATION 1.2.4 Dimension Data Figure 1-2-7 Unit: mm Model GTH09K3CI GTH12K3CI 1220 1158 GTH18K3CI GTH24K3CI GTH30K3CI GTH36K3CI 1420 1354 GTH42K3CI GTH48K3CI 1700 1634 GTH60K3CI 1.2.5 Installation Clearance Data 150cm or more 60cm or more 60cm or more 100cm or more 30cm or more...
Page 77 A/A DC INVERTER U-MATCH AIR CONDITIONERS INSTALLATION 1.2.6 Drain Piping Work 1） Installation of Drainage Pipeline A Drainage outlet is located at both the left and right sides of the indoor unit. After selecting one Drainage outlet, the other outlet shall be blocked by rubber plug. Bundle the blocked outlet with string to avoid leakage, and also use thermal insulation materials to wrap the blocked outlet.
Page 78: Installation Of Cassette Type
A/A DC INVERTER U-MATCH AIR CONDITIONERS INSTALLATION Figure 1-2-10 No folding of drain hose inside the indoor unit. (Refer to Figure 1-2-11) Confirm that smooth drainage is achieved after the piping work. Pour 600 cc of water into the drain pan from the air outlet for confirming drainage.
Page 79 Please contact the local Gree special nominated repair department before installation. Any malfunction caused by the unit that is installed by the department that is not special nominated by Gree would not deal with on time by the inconvenience of the business contact.
Page 80 A/A DC INVERTER U-MATCH AIR CONDITIONERS INSTALLATION 2) Dimension of ceiling opening and location of the hoisting screw (M10) (□650mm)(Grille measurement) □25-15/32"(650mm) (Hanging bolt position) 15-3/4"(400mm) 2-19/32"(66mm) GKH12K3CI Figure 1-3-1 i st ng s i t s ndoo ng openi 950( GKH18K3CI / GKH24K3CI / GKH30K3CI GKH36K3CI / GKH42K3CI Figure 1-3-2...
Page 81 A/A DC INVERTER U-MATCH AIR CONDITIONERS INSTALLATION Figure 1-3-3 Cautions: The dimension for the ceiling openings with * marks can be as large as 910mm. But the overlapping sections of the ceiling and the decorated surface boards should be maintained at no less than 20mm. 2)Main body of hoisting air conditioner Nut (supplied at scene) Gasket (attachment)
Page 82 A/A DC INVERTER U-MATCH AIR CONDITIONERS INSTALLATION 1.3.4Dimension Data Model GKH12K3CI Model GKH18K3CI GKH24K3CI GKH30K3CI GKH36K3CI GKH42K3CI...
Page 83 A/A DC INVERTER U-MATCH AIR CONDITIONERS INSTALLATION 1.3.5 Installation Clearance Data ≥ 1 5 0 0 ≥ 1 5 0 0 U n i t : m m Figure 1-3-5 Models H(mm) GKH12K3CI GKH18K3CI GKH24K3CI GKH30K3CI GKH36K3CI GKH42K3CI 1.3.6 Drain Piping Work 1）...
Page 84 A/A DC INVERTER U-MATCH AIR CONDITIONERS INSTALLATION polythene pipe: Outer diameter 25mm Surface thickness ≥1.5mm) Drain hose should be short and drooping gradient should at less 1/100 to prevent the formation of air bubble. If drain hose cannot has enough drooping gradient, drain raising pipe should be added. To prevent bent of the drain hose, the distance between hoisting stand should is 1 to 1.5m.
Page 85 A/A DC INVERTER U-MATCH AIR CONDITIONERS INSTALLATION [Way of immiting] Drain hose est hole cover Drain vent for repair use (plastic stopper is included) (drain the water in waterspout by this outlet vent) Test hole < Immiting water from the rest hole> Above100mm Plastic water pot (The length of the pipe should be about 100mm.)
Page 86 A/A DC INVERTER U-MATCH AIR CONDITIONERS INSTALLATION swing motor lead wire get caught in the sealing material.) Screw all 4 hexagon head screws located right beneath the latches in approximately 15mm.(Panel will rise) Adjust the panel by turning it to the arrowed direction in Fig.4 so that the ceiling opening is completely covered. Tighten the screws until the thickness of the sealing material between the panel and the indoor unit body is reduced to 5~8 mm.
Page 87: Outdoor Unit Installation
A/A DC INVERTER U-MATCH AIR CONDITIONERS INSTALLATION 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 88: Caution For Installation
A/A DC INVERTER U-MATCH AIR CONDITIONERS INSTALLATION The installation shall be done by specialist technicians. 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;...
Page 89: Dimension Data
A/A DC INVERTER U-MATCH AIR CONDITIONERS INSTALLATION 2.4 Dimension Data Figure3-17 Unit：mm GUHD36NK3CO Model GUHD24NK3CO GUHD36NM3CO GUHD12NK3CO GUHD18NK3CO GUHD30NK3CO GUHD42NK3CO GUHD42NM3CO 1107 1100 2.5 Installation Clearance Data Figure 2-5-1 3 REFRIGERATION PIPING WORK 3.1 Refrigeration Piping Work Procedures 1） Connection Pipe The connection pipe must meet the following requirements.
Page 90 A/A DC INVERTER U-MATCH AIR CONDITIONERS INSTALLATION Figure 3-1-1 Align the flared end of copper pipe with the center of threaded connector and use your hands to securely tighten the flared nuts. Tighten the flared nuts with torque wrench, until you hear a ‘KATA” sound from the torque wrench, as shown in Fig.
Page 91 A/A DC INVERTER U-MATCH AIR CONDITIONERS INSTALLATION Use the hexagonal socket spanner to rotate the element of liquid valve for 1/4 turns and use the screwdriver to prop up the element of gas valve to discharge the gas. Discharge the gas for 15 seconds, until refrigerant gas appears. The, immediately close the 1-way valve and tighten the valve cap.
Page 92: Caution In Connecting Pipes
A/A DC INVERTER U-MATCH AIR CONDITIONERS INSTALLATION Tighten the valve cover of the gas valve and liquid valve so as to check whether leakage occurred. 3) Installation of Protective Layer of Pipe Connecting To avoid generation of condensate on the connecting pipe and avoid leakage, the big pipe and the small pipe of the connecting pipe must be covered by thermal insulation materials, be bundled by adhesive tape, and be isolated from air.
Page 93 A/A DC INVERTER U-MATCH AIR CONDITIONERS INSTALLATION meters. When the indoor and outdoor units are on different height, please refer to Fig. 30201 for pipe layout. Liquid pipe (i.e. fine pipe) - - - - - -Gas pipe (i.e. coarse pipe) Outdoor unit Gas pipe Liquid pipe...
Page 94: Specification Of Connection Pipe
A/A DC INVERTER U-MATCH AIR CONDITIONERS INSTALLATION 3.3 Specification of Connection Pipe Max . Height Amount of Size of Fitting Pipe ( Inch ) Max . Difference Additional Item Pipe between Refrigerant to Length Indoor Unit be Filled ( For Liquid Model ( m )
Page 95 A/A DC INVERTER U-MATCH AIR CONDITIONERS INSTALLATION The on spot connection should refer to the circuit diagram, which is stuck on the unit body. The unit should be reliably earth, if it is improperly earthed that may cause electric shock or fire. Air conditioner is the “I”...
Page 96 A/A DC INVERTER U-MATCH AIR CONDITIONERS INSTALLATION connection according to the schematic diagram. The air-conditioning unit shall have special power supply line which shall be equipped with electricity leakage switch and air switch, so as to deal with overload conditions. The air-conditioning unit must have grounding to avoid hazard owing to insulation failure.
Page 97 A/A DC INVERTER U-MATCH AIR CONDITIONERS INSTALLATION 4.1.5 Cable Connection ① Remove the right side plate of the indoor unit and punch through the cable-cross hole. Mount the cable-cross loop. ② Remove the cable clamp. Connect the power cable to the terminal and fix it. ③...
Page 98: Electric Wiring Design
A/A DC INVERTER U-MATCH AIR CONDITIONERS INSTALLATION 4.2 Electric Wiring Design Field Wiring Diagrams: GUHD09NK3CO + GFH09K3CI GUHD12NK3CO + GFH12K3CI GUHD18NK3CO + GFH18K3CI GUHD24NK3CO + GFH24K3CI GUHD30NK3CO + GFH30K3CI GUHD36NK3CO + GFH36K3CI GUHD42NK3CO + GFH42K3CI GUHD48NK3CO + GFH48K3CI GUHD09NK3CO + GFH09K3CI GUHD12NK3CO + GFH12K3CI ①.Power cord 3×2.5 mm (H07RN-F)
Page 99 A/A DC INVERTER U-MATCH AIR CONDITIONERS INSTALLATION Fig.54 GUHD09NK3CO + GTH09K3CI GUHD12NK3CO + GTH12K3CI GUHD18NK3CO + GTH18K3CI GUHD24NK3CO + GTH24K3CI GUHD30NK3CO + GTH30K3CI GUHD36NK3CO + GTH36K3CI GUHD42NK3CO + GTH42K3CI GUHD48NK3CO + GTH48K3CI GUHD09NK3CO + GTH09K3CI GUHD12NK3CO + GTH12K3CI ①Power cord 3×2.5 mm (H07RN-F) ②Power cord 3×1.0 mm (H05VV-F)
Page 100 A/A DC INVERTER U-MATCH AIR CONDITIONERS INSTALLATION Fig.56 GUHD12NK3CO GKH12K3CI GUHD18NK3CO GKH18K3CI GUHD24NK3CO GKH24K3CI GUHD30NK3CO GKH30K3CI GUHD36NK3CO GKH36K3CI GUHD42NK3CO GKH42K3CI GUHD12NK3CO GKH12K3CI ①Power cord 3x2.5mm (H07RN-F) ②Power cord 3x1.0mm (H05V V-F) ③Communication Cords GUHD18NK3CO GKH18K3CI ①Power cord 3x4.0mm2 (H07RN-F) ②Power cord 3x1.0mm (H05V V-F) ③Communication Cords GUHD24NK3CO...
Page 101: Specification Of Power Supply Wire And Air Switch
A/A DC INVERTER U-MATCH AIR CONDITIONERS INSTALLATION 4.3 Specification of Power Supply Wire and Air Switch Minimum Sectional Minimum Sectional Capability of Air Area Power Area Model Switch(A) Of power Wire Supply Of Earth Wire (mm (Outdoor/Indoor) (Outdoor/Indoor) (Outdoor/Indoor) GUHD09NK3CO 16/6 2.5/1.0 2.5/1.0...
Page 102 GREE COMMERCIAL AIR CONDITION A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE...
Page 103: Maintenance
A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE MAINTENANCE 1 TROUBLE TABLE Table 1 Fault Display on Indoor Wired Controller: Trouble Trouble Origin of Control Description Code Name Trouble Signal If the water-full protection cannot be recovered after 2 hours, it is Water Pump Water pump believed that the water pump is failed, in which case all the loads will...
Page 104 A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE Trouble Trouble Origin of Control Description Code Name Trouble Signal (or display E9): Under cooling and dry mode, the outdoor fan and compressor will be stopped, while the indoor fan will be stopped after 1 minute.
Page 105 A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE Trouble Trouble Origin of Control Description Code Name Trouble Signal All of The Terminal Air System The air valve on end will be fully closed. Valve Colsed (not failure) Wire Controller the units is remotely monitored or controlled by centralized controller Invalid wire controller and the wire controller’s functions are invalidated (not failure)
Page 106 A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE When the unit has error,it will display error code, Its error code as the same as Table 1 Fault Display on Indoor Wired Controller. Table3 This section is applicable to the electric control box of the GUHD09NK3CO /GUHD12NK3CO A/A DC inverter air conditioners Running Status Yellow Lamp...
Page 107: Flow Chart Of Troubleshooting
A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE Table 4 Main board dual 8 numeral tube Display Codes for Outdoor Unit Note:This table except GUHD09NK3CO/GUHD12NK3CO Outdoor unit display of Malfunction Item Indoor Unit Display dual 8 numeral tube DC busbar overvoltage protection Overheat protection of radiator Current sensor malfunction Carbon fin sensor malfunction...
Page 108 A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE ◆Malfunction display: E1 Compressor High Pressure Protection...
Page 109 A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE Malfunction display: E3 Compressor Low Pressure Protection ◆...
Page 110 A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE Malfunction display: E4 Compressor Exhaust High Temperature Protection ◆...
Page 111 A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE ◆ Malfunction display: E5 Compressor Overheat (Please check the corresponding method of drive protection) ◆Malfunction display: E6 Communications Failure...
Page 112 A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE ◆Malfunction display: E9 Full Water Protection ◆Malfunction display: F0 Failure of Indoor Room Sensor at Return air inlet Failure of indoor room sensor at air intake Check the direction of Check if the plug of the temperature sensor is correctly connected with socket on the mainboard the plug and socket R e p l a c e t e m p e r a t u r e...
Page 113 A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE ◆Malfunction display: F1 Failure of Evaporator Temp. Sensor F a i l u r e o f Evaporator Temp. sensor Check the direction of Check if the plug of the temperature sensor is correctly connected with socket on the mainboard the plug and socket R e p l a c e t e m p e r a t u r e...
Page 114 A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE ◆Malfunction display: F3 Failure of Outdoor Ambient Sensor F a i l u r e o f o u t d o o r Ambient sensor Check the direction of Check if the plug of the temperature sensor is correctly connected with socket on the mainboard the plug and socket R e p l a c e t e m p e r a t u r e...
Page 115 A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE ◆Malfunction display: F5 Failure of Indoor Room Sensor at Wire Controller...
Page 116: Typical Troubleshooting For C Series Outdoor Unit Drive (Inverter) By Single-Phase
A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE 2.2 Typical Troubleshooting for C series Outdoor Unit Drive (Inverter) by Single-phase Motor (Applicable to GUHD09NK3CO，GUHD12NK3CO) 2.2.1Brief Introduction to the Electric Control Box of the Outdoor Unit 1.Schematic of Outdoor Unit Electric Control Box (Control board on the left; filter plate board on the right) 2.
Page 117 A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE 2.2Test Points and Testing Method of 5Vand 3.3V Power Supplies 2.3Test Points and Testing Method of IGBT and IPM Module...
Page 118 A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE 2.4Test Points and Testing Method of the Rectifier 3 Status Indicating Lamp of the Electric Control Box of the Outdoor Unit There are three independent indicating lamps on the electric control box of the outdoor unit, and they will flash on for five seconds and then black out for another five seconds, which is called a round.
Page 119 A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE Temperature sensor: measure the grounding resistance between the points 3.3V and IPM15V (the testing method is same as above); if the grounding is shortcut, please check if each temperature sensor is damaged or if there is arcing trace on its outer housing or metal ends Reactor: if the communication error remains after the replacement of the electric control box, then pull out the two terminals of the reactor and measure the resistance between them with a universal meter;...
Page 120: Typical Troubleshooting For C Series Outdoor Unit Drive (Inverter) By Single-Phase Motor
A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE 2.3 Typical Troubleshooting for C series Outdoor Unit Drive (Inverter) by Single-phase Motor (Applicable to GUHD18NK3CO，GUHD24NK3CO, GUHD30NK3CO, GUHD36NK3CO, GUHD42NK3CO, and GUHD48NK3CO) PFC module protection ◆...
Page 121 A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE IPM module protection ◆...
Page 122 A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE ◆DC busbar overvoltage protection...
Page 123 A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE DC busbar undervoltage protection ◆...
Page 124 A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE Abnormal noise from PFC inductor ◆...
Page 125 A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE ◆ Radiator overheat protection...
Page 126 A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE Tripping ◆...
Page 127: Typical Troubleshooting Outdoor Unit Drive (Inverter) By Three-Phase Motor
A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE 2.4 Typical Troubleshooting Outdoor Unit Drive (Inverter) by Three-phase Motor (Applicable to GUHD36NM3CO/ GUHD42NM3CO/ GUHD48NM3CO/ GUHD60NM3CO) ◆IPM Module Protection...
Page 128 A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE Method of Testing IPM Module Short Circuit: 1. Preparation before test: prepare a universal meter and turn to its diode option, and then remove the wires U, V, W of the compressor after it is powered off for one minute. 2.
Page 129 A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE ◆Radiator Overheating Protection E5 is displayed on the wired controller. Monitor Main Board 88 Display Indicating Lamp Radiator Overheating Protection If the discharge air and return air of the outdoor If the heat dissipation unit are shortcut, the heat of the outdoor not is in dissipation effect would...
Page 130 A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE ◆ Tripping...
Page 131 A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE ◆ DC Bus Low Voltage Protection E5 is displayed on the wired controller. Main Board 88 Monitor Display Indicating Lamp DC Bus Low Voltage Protection If power supply voltage is If the input voltage is too low, please cut off the lower than 320 V? power;...
Page 132 A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE ◆ DC Bus High Voltage Protection Wired Controller Display E5 Monitor Main Board 88 Dispay Indicating Lamp DC Bus High Voltage Protection If the power supply voltage If the input power supply is too high, please cut off voltage is larger than the power supply;...
Page 133 A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE ◆ Open Phase E5 is displayed on the wired controller Main Board 88 Monitor Display Indicating Lamp Open Phase Check if wire U/V/W is connected reliably after Connect wires reliably the power is cut off for 1 minute.
Page 134 A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE Communication Error between the Indoor and Outdoor Units ◆ E6 is displayed on the nixie tube of the outdoor unit indicating the communication error between the indoor and outdoor units Check if the connection See if the error is Check if both the indoor of the power cords of the...
Page 135: Wiring Diadram
A/A DC INVERTER U-MATCH AIR CONDITIONERS CONTROL 3 WIRING DIADRAM 3.1 Outdoor unit （The actual wiring should always refer to the wiring diagram of the unit.） Model: GUHD09NK3CO/ GUHD12NK3CO Model: GUHD18NK3CO...
Page 136 A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE Model: GUHD24NK3CO /GUHD30NK3CO Model: GUHD36NK3CO/ GUHD42NK3CO...
Page 137 A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE Model: GUHD48NK3CO Model: GUHD36NM3CO/ GUHD42NM3CO...
Page 138 A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE Model:GUHD48NM3CO Model:GUHD60NM3CO...
Page 139: Indoor Unit
A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE 3.2 Indoor unit （The actual wiring should always refer to the wiring diagram of the unit.） Model:GFH09K3CI/GFH12K3CI/GFH18K3CI/GFH24K3CI/GFH30K3CI/GFH36K3CI/ GFH42K3CI/ GFH48K3CI/ GFH60K3CI Model: GKH12K3CI /GKH18K3CI/ GKH30K3CI/ GKH36K3CI/ GKH42K3CI...
Page 140 A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE Model: GTH09K3CI/ GTH12K3CI/ GTH18K3CI/ GTH24K3CI/ GTH30K3CI/ GTH36K3CI/ /GTH42K3CI /GTH48K3CI /GTH60K3CI Note ： It is only the outer housing of Bracket Evaporator GTH 09 K 3 CI / GTH 12 K 3 CI / GTH 18 K 3 CI / GTH 24 K 3 CI evaporator and bracket that needs to be earthed...
Page 141: Disassembly And Assembly Procedure Of Main Parts
A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE 4 DISASSEMBLY AND ASSEMBLY PROCEDURE OF MAIN PARTS 4.1 Outdoor Unit Double-fan Inverter Outdoor Unit, applicable toGUHD09NK3CO /GUHD12NK3CO Disassembly and Assembly of external casing Note: Before removing the outer housing, make sure that the unit has been cut off from the power supply. Step Illustration Handling Instruction...
Page 142 A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE 4.Remove Remove grille grille away from the unit Loosen screws between front 5. Disassemble panel and the partition the back panel board with a screw driver. Remove back 6. Remove the panel away from the back panel unit 7.Disassemble...
Page 143 A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE Removal and Installation of Gas-liquid Separator and Compressor Remark: Before removing the compressor, make sure that there is no refrigerant inside the pipe system and that the power has been cut off. Step Illustration Handling Instruction a.
Page 144 A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE a. Put the new compressor in the right place. 5. Place the new b. Tighten the screws of the compressor compressor with a wrench the base c. Never put the compress upside down Connect suction/discharge pipes of the compressor by means of...
Page 145 A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE Recharge the refrigerant to Charge the system through liquid refrigerant valve. through liquid The charge volume must be valve identical to the indications on nameplate. Disassembly and Assembly of 4-way valve Remark : Before removing the 4-way valve, make sure that there is no refrigerant inside the pipe system and that the power has been cut off.
Page 146 A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE Remove Remove 4-way 4-way valve from the valve unit. ● Install 4-way valve to correct position. ●When welding the 4-way valve, please wrap the valve body with wet cloth, thus to prevent guide 5.
Page 147 A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE Note: Before the dismantlement of the motor, make sure the unit is powered off Step Illustration Handling Instruction Loosen the screws 1 Loosen the between grille grille and the back panel with a screw driver. Remove grill 2.
Page 148 A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE Loosen the screws Loosen backside backside panel panel with a screw driver. Remove rear 6. Remove the side plate away from rear side plate. the unit Disconnect the motor 7. Disconnect the power cord on the power cord of the main board...
Page 149 A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE Loosen the bolts on 10. Loosen the the motor with a motor wrench. ●Use spanner and screwdriver 11. Remove the remove bolts motor fixing the motor. ●Remove the motor from motor support. ●Put the new motor to correct position.
Page 150 A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE ●Connect the insert of motor power cable 14. Connect the mainboard motor power terminal in reverse to cable disassembly procedures. ●Assemble electric box cover to 15. Assemble the correct position electric box cover ●...
Page 151 A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE 3. Loosen the screws Loosen screws between the electric box between the electric and side panel and motor box and side panel base. and motor base with a screw driver. ● Move the electric 4.
Page 152 A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE 7. Place and fix the Place backside panel on. backside panel on. Double-fan Inverter Outdoor Unit, applicable toGUHD18NK3CO Disassembly and Assembly of external casing Remark : Before removing the outer housing, make sure that the unit has been cut off from the power supply. Step Illustration Handling Instruction...
Page 153 A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE Disassemble Loosen the screws on the grille grille with a screw driver Remove the grille away 4.Remove the grille from the unit Loosen screws Disassemble between the front panel back panel and the partition board with a screw driver.
Page 154 A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE 8. Remove the right Remove the right side side panel panel away from the unit Removal and Installation of Gas-liquid Separator and Compressor Remark: Before removing the compressor, make sure that there is no refrigerant inside the pipe system and that the power has been cut off.
Page 155 A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE 4. Remove the Remove compressor compressor away from away its base. compressor in the right place. 5. Place the new b. Tighten the screws of compressor the compressor with a the base wrench Never compress upside down Connect...
Page 156 A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE Establish Establish vacuum inside vacuum through system through liquid valve liquid valve. a.Recharge refrigerant to the system Charge through liquid valve. refrigerant b. The charge volume through liquid must be identical to the valve indications nameplate.
Page 157 A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE ● Use gas welding to heat pipes connected on the four opennings 4-way valve. Then, pull them out from 4-way valve. 3. Remove the 4-way valve ● Before welding 4-way valve, please record the orientation 4-way valve...
Page 158 A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE ● Recharge refrigerant to the system Recharge through liquid valve. refrigerant ● The charge volume system through liquid must be identical to the valve. indications nameplate. Dismantlement and Installation of Fan and Motor Note : Before the dismantlement of the motor, make sure the unit is powered off Step Illustration...
Page 159 A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE ●Use screwdriver loosen the screws on 4. Remove the electric box cover. electric box cover ●Remove cover from electric box. ●Use hand or forceps to pull out the motor power cable from mainboard. 5.
Page 160 A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE 8 Remove the fan Remove the fan from from motor motor. 9. Remove the Remove the fan blades fan blades away from the motor. 10. Loosen the Loosen the bolts on the motor motor with a wrench.
Page 161 A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE ●Assemble axial flow correct position and fix it to the motor shaft in reverse to disassembly 13. Assemble the procedures. ●Put the electric box cover to correct position onto electric box according to disassembly procedures.
Page 162 A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE 将电子膨胀阀线圈从电子 2 Remove the electric expand valve fitting 膨胀阀上去下、移开 A．用气焊加热电子膨胀阀两端连接管路后拔离电子膨胀阀组件 B．焊接时要充氮保护， 3 Disassemble electric 氮气压力为 0.5±0.1kgf/c expansion valve ㎡（相对压力） C．加热时注意，以防周围物料因高温烧毁将旧的电子膨胀阀组件移 4 移开电子膨胀阀开 A．用气焊焊接电子膨胀阀组件 B．焊接时要充氮保护， 5 移上新的电子膨胀阀氮气压力为 0.5±0.1kgf/c 组件与系统管路相连...
Page 163 A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE 6Establish vacuum ● Establish vacuum inside system inside system through liquid valve. through liquid valve. ● Recharge refrigerant to the system 7Recharge through liquid valve. refrigerant ● The charge volume system through liquid must be identical to the valve.
Page 164 A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE Double-fan Inverter Outdoor Unit, applicable toGUHD24NK3CO/GUHD30NK3CO Disassembly and Assembly of external casing Note:before removing the outer housing, make sure that the unit has been cut off from the power supply. Step Illustration Handling Instruction a.
Page 165 A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE 4. Remove the front side 将前侧板从机组上移开 plate. 5. Disassemble the rear side Loosen the screws on the rear plate. side plate with a screw driver. Remove the rear side plate 6.Remove the rear side plate, from the unit.
Page 166 A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE Loosen the screws between Loosen compressor screws compressor base with compressor wrench a. Dismantle the gas-liquid separator through heating its inlet/outlet pipe by the means of gas welding. During welding, 3. Disconnect the nitrogen should be inflated suction and its pressure should be...
Page 167 A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE Connect suction/discharge pipes of the compressor by means of gas welding. During welding, Connect nitrogen should be inflated suction/discharge and its pressure should be pipes 0.5±0.1kgf/c ㎡ compressor with (relative the system piping. pressure) c.
Page 168 A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE Disassembly and Assembly of 4-way valve Note: Before removing the 4-way valve, make sure that there is no refrigerant inside the pipe system and that the power has been cut off. Step Illustration Handling Instruction a.
Page 169 A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE ● Install the new 4-way valve to correct position. ●When welding 4-way valve, please wrap the valve body with cloth, thus prevent the guide inside 5. Connect the new the valve body from 4-way valve to the pipe.
Page 170 A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE Remove the grill away 2. Remove the grille. from the back panel. Loosen the screws on 3. Loosen the top the top panel with a panel. screw driver. 4. Remove the top ●Remove the top panel panel.
Page 171 A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE Move the electric box 6.Remove the electric cover from the eletric box cover. box. 用手或者钳子将主板上 7.拆卸电机电源线的电机电源线拔出 ● Hold the fan and do not let it run 8. Remove the axial ● spanner flow fan remove the tightening nuts fixing the fan.
Page 172 A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE 9. Remove the fan Remove the fan blades blades away from the motor. Loosen the bolts on the 10. Loosen the motor motor with a wrench. ●Use spanner screwdriver to remove the bolts fixing the 12.
Page 173 A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE ●Assemble the axial flow correct position and fix it to the motor shaft in reverse disassembly procedures. 14. Assemble the fan ●Put the electric box cover correct position and fix it onto electric according disassembly procedures.
Page 174 A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE A．用气焊加热电子膨胀阀两端连接管路后拔离电子膨胀阀组件 B．焊接时要充氮保护， 3 拆除电子膨胀阀氮气压力为 0.5±0.1kgf/c ㎡（相对压力） C．加热时注意，以防周围物料因高温烧毁将旧的电子膨胀阀组件移 4 移开电子膨胀阀开 A．用气焊焊接电子膨胀阀组件 b. During the welding, nitrogen should be inflated and its pressure should be 5 移上新的电子膨胀阀 0.5±0.1kgf/c ㎡ (relative 组件与系统管路相连...
Page 175 A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE ● Recharge refrigerant to the system 7Recharge through liquid valve. refrigerant ● The charge volume system through liquid must be identical to the valve. indications nameplate. Disassembly and Assembly of electrical parts box Remark : Before removing the electric box or electric box sub-assembly, make sure that the power has been cut off.
Page 176 A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE 3. Loosen the screws between the Loosen the screws between the electric box and side panel and electric box and side panel and motor base. motor base with a screw driver. ● Move electric 4.
Page 177 A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE ● Assemble the electric box 7. Assemble the electric box cover to correct position and cove use screwdriver to tighten the fixing screws. Disassembly and Assembly of electrical parts box Remark : Before removing the electric box or electric box sub-assembly, make sure that the power has been cut off. Step Illustration Handling Instruction...
Page 178 A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE 3. Loosen the screws between the Loosen the screws between the electric box and side panel and electric box and side panel and motor base. motor base with a screw driver. ● Move electric 4.
Page 179 A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE ● Assemble the electric box 7. Assemble the electric box cover to correct position and cove use screwdriver to tighten the fixing screws. Double-fan Inverter Outdoor Unit, applicable to GUHD36NK3CO/GUHD36NM3CO /GUHD42NK3CO/ GUHD42NM3CO/ Disassembly and Assembly of external casing Remark : Before removing the outer housing, make sure that the unit has been cut off from the power supply.
Page 180 A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE Remove upwards the top panel 2 Remove the top panel away from the unit. the front side 3. Disassemble front Loosen the screws on the plate side plate with a screw driver front side plate Remove the front side plate 4.
Page 181 A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE Remove the backside panel away 6. Remove the backside panel. from the unit Removal and Installation of Gas-liquid Separator and Compressor Remark: Before removing the compressor, make sure that there is no refrigerant inside the pipe system and that the power has been cut off.
Page 182 A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE A．用气焊加热汽液分离器进出管路后拔离汽分； B．焊接时要充氮保 3. 拆除汽液分离护，氮气压力为器进出管 0.5±0.1kgf/c ㎡（相对压力） C．加热时注意，以防周围物料因高温烧毁 4. 移开汽液分离将汽液分离器从机组器上移开用扳手将压缩机与压 5. 拆除压缩机固缩机支架间固定螺母定螺钉拆除 A．用气焊加热汽液分离器进出管路后拔离汽分；...
Page 183 A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE 将压缩机从压缩机支 7. 移开压缩机架上移开 A．将新压缩机放到准确位置； 8. 移上新的压缩 B．用扳手拧紧压缩机固定在压缩机机固定螺母；支架上 C．压缩机安装时不能倒置 A．用气焊焊接压缩机吸排气管； B．焊接时要充氮保 9. 将压缩机吸排护，氮气压力为 0.5±0.1kgf/c ㎡（相气...
Page 184 A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE A．用气焊焊接汽液分离器进出管； B．焊接时要充氮保 11. 将汽液分离护，氮气压力为 0.5±0.1kgf/c ㎡（相器进出管与系统管路相连对压力）； C．加热时注意，以防周围物料因高温烧毁。 A．将电源线按照拆卸的反顺序插到接线 12.
Page 185 A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE system and that the power has been cut off. Step Illustration Handling Instruction A. 先切断电源。 B. 妥善回收冷媒 1.拆除电磁阀 C. 用扳手松掉固定电磁阀螺栓将电磁阀从四通阀上 2.移开电磁阀取下，移开。 ● Use gas welding to heat pipes connected on the four...
Page 186 A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE ● Install the new 4-way valve to correct position. ●When welding 4-way valve, please wrap the valve body with wet cloth, thus to prevent guide inside 5. Connect the new valve body from burn. 4-way valve to the Also take care to prevent pipe.
Page 187 A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE 将格栅从面板上取 2.移开格栅下、移开用螺丝刀松掉顶盖 3.拆除顶盖周围的固定螺钉 ●Use screwdriver loosen the screws on 4. Remove the electric electric box cover. box cover ●Remove cover...
Page 188 A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE 将电器盒盖从电器盒上 6.移开电器盒盖移开用手或者钳子将主板上 7.拆卸电机电源线的电机电源线拔出 ● Hold the fan and do not let it run 8. Remove the axial ● spanner flow fan remove the tightening nuts fixing the fan. 9. Remove the fan Remove the fan from from motor motor.
Page 189 A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE ●Use spanner screwdriver to remove bolts fixing 10. Remove the motor motor. ●Remove motor from motor support. ●Put the new motor to correct position. 11. Install a new motor ●Use spanner to motor support screwdriver to fix the motor to motor support with bolts.
Page 190 A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE ●Assemble the electric box cover to correct Assemble position electric box cover ● Use screwdriver to fix the cover onto electric box. Removal and Installation of Electronic Expansion Valve Remark : Before removing the compressor, make sure that there is no refrigerant inside the pipe system and that the power has been cut off.
Page 191 A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE 将旧的电子膨胀阀组件移 4 移开电子膨胀阀开 A．用气焊焊接电子膨胀阀组件 B．焊接时要充氮保护， 5 移上新的电子膨胀阀氮气压力为 0.5±0.1kgf/c 组件与系统管路相连㎡（相对压力） C．加热时注意，以防周围物料因高温烧毁 6Establish vacuum ● Establish vacuum inside system inside system through liquid valve. through liquid valve. ● Recharge refrigerant to the system 7Recharge through liquid valve.
Page 192 A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE Disassembly and Assembly of electrical parts box Remark : Before removing the electric box or electric box sub-assembly, make sure that the power has been cut off. Step Illustration Handling Instruction ● Cut off the power. ●...
Page 193 A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE ● Assemble electric box sub-assembly to correct position ● Use the screwdriver to 5. Mount a new electric box electric sub-assembly sub-assembly to middle isolation plate and rear side plate according to disassembly procedures. ●...
Page 194 A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE Double-fan Inverter Outdoor Unit, applicable toGUHD48NK3CO/ GUHD48NM3CO/ GUHD60NM3CO Disassembly and Assembly of external casing Remark : Before removing the outer housing, make sure that the unit has been cut off from the power supply. Step Illustration Handling Instruction...
Page 195 A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE 4. 移开前侧板将前侧板从机组上移开用螺丝刀将后侧板固定螺钉松 5. 拆卸后侧板掉 6.移开后侧板将后侧板从机组上移开...
Page 196 A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE Removal and Installation of Gas-liquid Separator and Compressor Remark: Before removing the compressor, make sure that there is no refrigerant inside the pipe system and that the power has been cut off. Step Illustration Handling Instruction A．先用扳手拧开压缩...
Page 197 A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE 用扳手将压缩机与压 5. 拆除压缩机固定螺钉缩机支架间固定螺母拆除 A．用气焊加热汽液分离器进出管路后拔离汽分； B．焊接时要充氮保护， 6.
Page 198 A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE A．用气焊焊接压缩机吸排气管； B．焊接时要充氮保护， 9. 将压缩机吸排气管与氮气压力为系统管路相连 0.5±0.1kgf/c ㎡（相对压力） C．加热时注意，以防周围物料因高温烧毁 A．将汽液分离器放到准确位置； 10 移上汽液分离器并 B．用螺丝刀拧紧汽液固定分离器与隔板固定螺钉 A．用气焊焊接汽液分...
Page 199 A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE ● Establish vacuum 13. Establish vacuum inside system through liquid valve through liquid valve. ● Recharge refrigerant system through liquid valve. 14. Charge refrigerant through liquid valve ● The charge volume must be identical to indications nameplate.
Page 200 A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE ● Install the new 4-way valve to correct position. ●When welding 4-way valve, please wrap the valve body with cloth, thus prevent the guide inside the valve body from 3. Connect the new burn.
Page 201 A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE 将格栅从面板上取 2.移开格栅下、移开用螺丝刀松掉顶盖周 3.拆除顶盖围的固定螺钉 ●Use screwdriver loosen the screws on 4. Remove the electric electric box cover. box cover ●Remove the cover from electric box. ●Use hand or forceps to pull out the motor power cable from mainboard.
Page 202 A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE 用手或者钳子将主板上的 7.拆卸电机电源线电机电源线拔出 ● Hold the fan and do not let it run 8. Remove the axial flow ● spanner remove the tightening nuts fixing the fan. 9. Remove the fan from Remove the fan from motor motor.
Page 203 A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE ●Assemble the axial flow fan to correct position and fix it to the motor shaft in reverse to the disassembly procedures. 12. Assemble the fan ●Put the electric box cover to correct position and fix it onto the electric according disassembly procedures.
Page 204 A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE 将旧的电子膨胀阀组件移 2. 移开电子膨胀阀组件开 A．用气焊焊接电子膨胀阀组件 B．焊接时要充氮保护， 3. 移上新的电子膨胀阀氮气压力为 0.5±0.1kgf/c 组件与系统管路相连㎡（相对压力） C．加热时注意，以防周围物料因高温烧毁 4.Establish vacuum ● Establish vacuum inside system inside system through liquid valve. through liquid valve. ● Recharge refrigerant to the system Recharge through liquid valve.
Page 205 A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE Disassembly and Assembly of electrical parts box Remark : Before removing the electric box or electric box sub-assembly, make sure that the power has been cut off. Step Illustration Handling Instruction ● Cut off the power. ●...
Page 206: Indoor Unit
A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE ● Assemble electric box sub-assembly to correct position ● Use the screwdriver to fix 5. Mount a new electric box electric sub-assembly sub-assembly middle isolation plate and rear side plate according to disassembly procedures. ●...
Page 207 A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE 2. Remove the filter ◆ Remove the filter sub-assembly from the sub-assembly and air inlet frame and use screwdriver to air inlet cover board remove the air inlet cover board. Remove ◆Remove the screws on fan screws sub-assembly.
Page 208 A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE Disassembly of electrical parts box cover panel and electrical parts box Remark: Make sure that the power supply is cut off before disassembling and protect all the parts during disassembly, especially the electrical components. Do not dampen or hit them Step Illustration Handling Instruction...
Page 209 A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE Disassembly of fan and motor 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 fixing screws on the fan components. (As is shown Graph circle...
Page 210 A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE 4.2.2Cassette-type Unit Removal and Assembly of Fan Motor Step Illustration Handling Instruction 1．Loosen the screws ●Use screwdriver to loosen the screws fixing the water tray fixing the water tray 2. Remove the water ●Remove the water tray tray 3 ．...
Page 211 A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE Removal and Assembly Step Illustration Handling Instruction 7．Tighten the screws ●Use screwdriver to tighten the screws fixing the motor. fixing the motor 8．Mount the fan and ●Mount spanner to tighten the bolts tighten fixing fixing the fan.
Page 212 A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE 1． Loosen these screws 3 ． Pull out the water 2. Loosen the screws fixing the water pump ● Pull out the water outlet pipe and outlet pipe use screwdriver to loosen the loosen the screws screws fixing the water pump.
Page 213 A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE 4.2.3 Floor Ceiling Type Remove 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 214 A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE ●Remove the screws shown by the arrow in graph with screwdriver (two on both right and left and 4 in the front) and Remove then remove panel parts panel parts. Remove sub-assy of electric box Remark: Make sure that the power supply is cut off before disassembling and protect all the parts during disassembly, especially the components inside the box in case of water and hit.
Page 215 A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE Instruction ●Remove screws as shown by the arrow in the graph with screwdriver. (There are 6 screws on left and right of the evaporator and 5 Remove evaporator evaporator outlet press plate components modules) Remove fixing plate sub-assy for air sweeping fans Remark: Make sure that the power supply is cut off before disassembling and protect all the parts during...
Page 216 A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE ●Remove the fixing screws of fan wheel with inner hexagonal remove wheel. inner hexagonal and its 2. Remove fans direction of effect are shown by the arrow in the graph. ●Remove 4 screws on the bearing fixing plates with...
Page 217 A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE Disassembly of panel parts Remark: Make sure the power supply is cut off before disassembling and protect all the parts during disassembly. Do not scratch the outer parts. Step Illustration Handling Instruction ●Unscrew sides’...
Page 218 A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE Disassemble ●remove water-containi water-containing plate plate modules. modules Disassembly of evaporator components Remark: Make sure that the power supply is cut off and protect the copper tube and aluminum fin. If the time for disassembly shall be long, seal the copper tube .
Page 219 A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE ●Unscrew the 2 screws of coupling, take out the rotating shaft and 2.Disassembly louver, then loosen of fans the tighten screw of louver to remove the louver ●Unscrew the 3 screws 3.Disassembly and 2 nuts of support bearing remove fixing plates...
Page 220 A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE Model：GTH48K3CI 、GTH60K3CI 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 221 A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE Disassembly of sub-assy of electric box Remark: Make sure that the power supply is cut off before disassembling and protect all the parts during disassembly, especially the components inside the box in case of water and hit. Step Illustration Handling Instruction...
Page 222 A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE Disassembly of evaporator components Remark: Make sure that the power supply is cut off and protect the copper tube and aluminum fin. If the time for disassembly shall be long, seal the copper tube . Step Illustration Handling Instruction...
Page 223 A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE 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 ●Unscrew the 2 screws of coupling, take out the...
Page 224: Exploded Views And Spare Part List
A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE 5 EXPLODED VIEWS AND SPARE PART LIST 5.1 Outdoor Unit Model: GUHD09NK3CO/GUHD12NK3CO Exploded View Name of Part Part Code 01253454 Top Cover Sub-Assy 01125387① Condenser Assy 01125386② 01473042 Rear Grill 3900028008 Temperature Sensor 01233385 Clapboard Sub-Assy Right Side Plate...
Page 225 A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE Name of Part Part Code 22413433 Front grill '26233100 Small Handle 01395860 Electric Box Assy 49013027 Radiator 20113014 Electric Box 30033073 Filter Board 30228206① Main Board 30228207② 43130184 Reactor '33010026 Capacitor 42011154 Terminal Board ①...
Page 226 A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE Name of Part Part Code Gas Tube Filter '072190511 Electronic Expansion Valve Assy '07335277 Strainer '07220019 Right Side Plate '01305053P Valve Support Assy '01715010P Cut-off Valve Sub-Assy '07133060 Cut-off Valve '071302392 Cut-off Valve Sub-Assy '07133058 Cut-off Valve '07130239...
Page 227 A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE Model: GUHD24NK3CO Exploded View...
Page 228 A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE Spare Parts list Name of Part Part Code Top Cover '01255006P Top Cover Sub-Assy '01255007 Electric Box Cover '01425281 Condenser Assy '01125394 Rear Grill '01475008 4-way Valve '4300008201 Temperature Sensor '3900028010 Electronic Expansion Valve '07334193 StrainerA '07210022...
Page 229 A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE Model: GUHD30NK3CO Exploded View Spare Parts List Name of Part Part Code Cabinet '01435004P Left Side Plate '01305043P Top Cover Sub-Assy '01255007 Condenser Assy '01125396 Motor Support Sub-Assy 01805429 Rear Grill '01475008 Electric Box Cover '01425279 PFC Inductance '43128003...
Page 230 A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE Model: GUHD36NK3CO/GUHD42NK3CO Exploded View Spare Parts List Name of Part Part Code 22415005 Front Grill 01435007P Cabinet 1895309 Condenser support plate 10335010 Axial Flow Fan 26235401 left handle 150154516 Fan Motor 01305064P Left Side Plate 1805396 Motor Support Sub-Assy 1125736①...
Page 231 A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE Name of Part Part Code 01195244P Chassis Sub-assy 01845235P Retaining Plate Sub-Assy 205230 Compressor and fittings 4655520 Inhalation Tube 1305508 Front Side Plate Sub-Assy 26235253 Handle 1395852 Electric Box Sub-assy 1425326 Electric Box Cover 30224305 Main Board Electric box...
Page 232 A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE Spare Parts List Name of Part Part Code Condenser Assy '01025396 Rear Grill '01575205 Temp. Sensor sleeving '05212423 Strainer '07210037 Temperature Sensor '3900028002 Pressure Protect Switch '460200061 4-way Valve '43000338 Strainer '07210037 Handle '26235253 Valve Support Sub-Assy '01715001...
Page 233 A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE Model: GUHD36NM3CO/GUHD42NM3CO Exploded View...
Page 234 A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE Spare Parts List Name of Part Part Code '01255009P Top Cover '01355204 Air Guard ① 01125373 Condenser Assy ② '01125392 '01475012 Rear Grill ① 04145342 4-way Valve Assy ② '04145362 '43000338 4-way Valve '46020006 Pressure Protect Switch '3900028002...
Page 235 A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE Model: GUHD48NM3CO/GUHD60NM3CO Exploded View...
Page 236 A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE Spare Parts List Name of Part Part Code Top Cover '01265356P ① 01025396 Condenser Assy ② '01125410 Rear Grill '01575205 Clapboard Sub-Assy 01244144 Strainer '07210037 Temperature Sensor '3900028002 Pressure Protect Switch '460200061 4-way Valve '43000338 Strainer 07210045...
Page 237: Indoor Unit
A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE 5.2 Indoor Unit Model:GFH09K3CI Exploded View Spare Parts List Name of Part Part Code '01494118 Side Plate of Air outlet Left Support of Evaporator '01094122 Evaporator Assy '01025372 Right Support of Evaporator '01094121 Left Side Plate Assy '01314172 '01494115...
Page 238 A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE '01324341 Fan Motor Mounting Plate Sub-Assy Name of Part Part Code Display Board '30294219 Remote Controller '305050031 Lower Cover Plate Sub-Assy '01264178 01284153 Water Tray Assy Terminal Board '42010194 Transformer '43110239 Capacitor '33010027 Main Board '30228205 '01395886...
Page 239 A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE Spare Parts List Name of Part Part Code Return Air Frame Sub-assy '01498641 '01025401① Evaporator Assy '01025394② Water Tray Assy '01284166 Top Cover Board Sub-assy '01259064 Left Support of Evaporator Sub-Assy '01805280 Left Side Plate Assy '01315424 Water Pump Assy '15404121...
Page 240 A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE Main Board '30228205 Electrical Retaining Plate '01845221 Fan motor Sub-Assy '15002401 Propeller Housing '22202029 Side Plate of Return Air Frame '02225234 Filter '11725202 '1570520201① Fan Motor '1501832202② Centrifugal fan '10319051 Front volute casing '22202030 Cover Of Air-In '01258650...
Page 241 A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE Spare Parts List Name of Part Part Code Filter 11125304 Filter 111200515 Filter Sub-Assy 11125303 Top Cover Board Assy 01265301 Evaporator Assy 01025301 Right Side Plate Sub-Assy 01315304 Fan Mounting Plate Assy 01325301 Motor 15012454 Fan Motor...
Page 242 A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE Spare Parts List Name of Part Name Code Filter Sub-Assy '11125303 Left Side Plate Assy '01315293 Top Cover Assy '01265301 Ambient Temperature Sensor '3900012123 Tube sensor '3900012128 Electric Box Assy '01395777 Main Board '30228205 Transformer '43110239...
Page 243 A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE Spare Parts List Name of Part Name Code Air filter 111253031 Seal of Connection Pipe 1495306 Left Side Plate 1315306 Top Cover 1265306 temp.sensor 3900012123 temp.sensor 390001921 Electric Box 1399152 Main PCB2 30228204 Transformer 43110239 Capacitor...
Page 244 A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE Spare Parts List Name of Part Name Code '01315374 Front Side Plate Sub-Assy '01804715 Motor Support Sub-Assy 1570523001 Fan Motor '15705307 Motor 01285283 Rubber Plug (Water Tray) '01265357 Bottom Cover Board Sub-Assy '76510021 Cable-Cross Loop '01315378 Right Side Plate Sub-Assy...
Page 245 A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE Name of Part Name Code '01845221 Electrical Retaining Plate '01265359 Top Cover Board Assy '305050031 Remote Controller '39000208 Ambient Temperature Sensor '3900012128 Tube sensor '30294219 Display Board '01345218 Sealing Plate '01025405 Evaporator Assy '01025404 Evaporator Assy '01315376...
Page 246 A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE Spare Parts List Name of Part Name Code Remote Controller '305125063 Water Tray Assy '20182704 Sponge '76712709 Centrifugal fan '10312702 Fan Motor 15012707 Evaporator Support '01072714 Evaporator Assy '01029472 Motor support '01702702 Motor Gasket '76712705 Water Tray Support '01332706...
Page 247 A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE Model:GKH18K3CI Exploded View...
Page 248 A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE Spare Parts List Name Code Name of Part '01382715 Tube Exit plate Assy '01332701 Body Fixing Plate '01302718 Front Side Plate Assy '01302715 Left Side Plate Assy '01222701 Base Plate Assy '01302714 Rear Side Plate Assy '10312701 Motor Support '15012703...
Page 249 A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE Model:GKH24K3CI Exploded View...
Page 250 A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE Spare Parts List Name of Part Part Code Tube Exit Plate Assy '01382715 Shell Assy '01432703 Motor support '01702701 Base Plate Assy '01222701 Right Side Plate Assy '01302716 Rear side plate assy '01302714 Fan Motor '15709404 Centrifugal fan...
Page 251 A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE Model:GKH30K3CI Exploded View Spare Parts List Name of Part Name Code Tube Exit Plate Assy '01382715 Shell Assy Motor support '01702701 Base Plate Assy '01222701 Right Side Plate Assy '01302712 Rear side plate assy '01302709 Fan Motor '15012706...
Page 252 A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE Model:GKH36K3CI/ GKH42K3CI Exploded View...
Page 253 A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE Spare Parts List Name of Part Part Code Tube Exit Plate '01382715 Body Fixed Plate 1332701 Front Side Plate 01302713 Left Side Plate '01302711 Base Plate '01222701 Rear Side Plate '01302709 Motor Support '01702701 Motor FN60T 15012706...
Page 254 A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE Model:GTH09K3CI/GTH12K3CI/ GTH18K3CI/ GTH24K3CI Exploded View Spare Parts List Name of Part Part Code Front Grill sub-assy '01579403 Top Cover Board Sub-assy '01269409 Water Tray Assy '01289404 Supporter '01809417 Rear volute casing '26905206 Centrifugal fan '10425200 Fan Motor '1570940901...
Page 255 A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE Name of Part Part Code Right Pensile Bracket '01809401 Electric Box Cover '01429420 Transformer '4311023701 Main Board '30224223 Electric Box '01429419 Step Motor '1521240201 Left Side Plate Sub-Assy 1319428 Rotating Shaft '26909412 Rotating Shaft '26909413 Mid-clapboard sub-assy '01249416...
Page 256 A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE Model:GTH30K3CI Exploded View Spare Parts List Name of Part Name Code Front panel '01349408P Front foam assy '12509424 Rotating Shaft '26909430 Guide Louver '26909432 Bracket #3(Guide Louver) '26909409 Rear side plate assy '0131941901 Step Motor '1521240206 Rotating Shaft...
Page 257 A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE Name of Part Name Code Rear connect plate '01349410 Room Sensor '39000191 Front volute casing '26909419 O-Gasket of Bearing 76512404 Rotary Axis Sub-Assy '73018052 Joint Slack '73018731 Fan Motor '15709408 Fixing plate '02229408 Bracket for motor 01329413 Rear volute casing...
Page 258 A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE Model:GTH36K3CI Exploded View Spare Parts List Name of Part Part Code 01349408P Front panel '12509424 Front foam assy '26909430 Rotating Shaft '26909432 Guide Louver '26909409 Bracket #3(Guide Louver) '0131941901 Rear side plate assy '1521240206 Step Motor '26909413...
Page 259 A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE Name of Part Part Code '420101852 Terminal Board '42010178 Terminal Board '33010014 Capacitor '26909407 Fixed Plate for mainboard '01399459 Electric Box Assy '1041410101 Centrifugal fan '01349410 Rear connect plate '39000191 Room Sensor '26905208 Front volute casing 76512404 O-Gasket of Bearing...
Page 260 A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE Model:GTH42K3CI Exploded View Spare Parts List Name of Part Part Code Front panel '01349408P Front foam assy '12509424 Rotating Shaft '26909430 Guide Louver '26909432 Bracket #3(Guide Louver) '26909409 Rear side plate assy '0131941901 Step Motor '1521240206 Rotating Shaft...
Page 261 A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE Name of Part Part Code Terminal Board '420101852 Terminal Board '42010178 Capacitor '33010014 Fixed Plate for mainboard '26909407 Electric Box Assy '01399459 Centrifugal fan '1041410101 Rear connect plate '01349410 Room Sensor '39000191 Front volute casing '26905208 O-Gasket of Bearing 76512404...
Page 262 A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE Model:GTH48K3CI/ GTH60K3CI Exploded View Spare Parts List Name of Part Part Code Front Grill sub-assy '01579401 Top Cover Board Sub-assy '01269403 Water Tray Assy '01289401 Spacing Board '02229408 Rear volute casing '26909419 Joint Slack '73018731 Fan Motor '15709405...
Page 263 A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE Name of Part Part Code Installation Supporting Frame 01809401 Terminal Board '42010178 Transformer '4311023701 Main Board '30224223 PCB Base '26909407 Left Side Plate Sub-Assy '01319406 Display Board Sub-Assy '02229416 Display Board '30294224 Step Motor '1521240206 Axile Bush '10542704...
Page 264 JF00300705...

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U-match guhd12nk3co U-match guhd18nk3co U-match guhd24nk3co U-match guhd30nk3co U-match guhd36nk3co U-match guhd42nk3co ... Show all

Gree U-MATCH GUHD09NK3CO Service Manual

Product

Models List

Nomenclature

Function

Product Data

Piping Diagram

Control

Operation Flowchart

Main Logic

Wireless Remote Controller

Wired Remote Controller

Centralized Controller

Installation

Indoor Unit Installation

Outdoor Unit Installation

Refrigeration Piping Work

Electric Wiring Work

Maintenance

Trouble Table

Flow Chart of Troubleshooting

Wiring Diadram

Disassembly and Assembly Procedure of Main Parts

Exploded Views and Spare Part List

Quick Links

Troubleshooting

Need help?

Questions and answers

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Summary of Contents for Gree U-MATCH GUHD09NK3CO

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Table of Contents