GREE reserves the right to interpret this manual which will be subject to any change due to product improvement without further notice. GREE Electric Appliances, Inc. of Zhuhai reserves the final right to interpret this manual.
Contents 1 Safety Precautions ..................1 2 Outline of the Unit and Main Parts..............2 3 Preparative for Installation ................3 3.1 Standard Accessory Parts ................3 3.2 Selection of the Installation Location ............4 3.3 Connection Pipe Requirement ..............5 3.4 Electrical Requirement ................
DC Inverter U-match Series Floor Ceiling Type Unit 1 Safety Precautions This mark indicates procedures which, if improperly performed, might lead to the WARNING! death or serious injury of the user. This mark indicates procedures which, if improperly performed, might possibly result CAUTION! in personal harm to the user, or damage to property.
DC Inverter U-match Series Floor Ceiling Type Unit 2 Outline of the Unit and Main Parts Indoor 1. Guide louver 2. Air filter 3. Wired controller Outdoor 4. Wireless Controller Air inlet 5. Binding tape 6. Drain Pipe 7. Gas Pipe 8.
DC Inverter U-match Series Floor Ceiling Type Unit 3 Preparative for Installation 3.1 Standard Accessory Parts The standard accessory parts listed below are furnished and should be used as required. Table 1 Indoor Unit Accessories Name Appearance Q'ty Usage To fix the hook on the cabinet Nut with Washer of the unit.
DC Inverter U-match Series Floor Ceiling Type Unit 3.2 Selection of the Installation Location WARNING! The unit must be installed where strong enough to withstand the weight of the unit and fixed securely, otherwise the unit would topple or fall off. CAUTION! ①...
DC Inverter U-match Series Floor Ceiling Type Unit 3.2.2 Outdoor Unit WARNING! ① . Install the unit where it will not be tilted by more than 5°. ② . During installation, if the outdoor unit has to be exposed to strong wind, it must be fixed securely. If possible, do not install the unit where it will be exposed to direct sunlight.
Pipe(Inch) Pipe Difference between pipe(Outer Item Length Indoor Unit and Diameter × wall Liquid Model Outdoor Unit (m) thickness) (mm) GTH09K3FI GUHD09NK3FO φ17×1.75 GTH12K3FI GUHD12NK3FO φ17×1.75 GTH18K3FI GUHD18NK3FO φ17×1.75 GTH24K3FI GUHD24NK3FO φ17×1.75 GTH30K3FI GUHD30NK3FO φ17×1.75 GTH36K3FI GUHD36NK3FO φ17×1.75 GTH42K3FI GUHD42NK3FO φ17×1.75...
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DC Inverter U-match Series Floor Ceiling Type Unit Table 5 Minimum Sectional Area of Power Power Capability of Air Model Supply Switch(A) Cable and Earth line (mm GUHD09NK3FO GUHD12NK3FO GUHD18NK3FO GUHD24NK3FO 220-240V ~ 50Hz GUHD30NK3FO GUHD36NK3FO GUHD42NK3FO GUHD48NK3FO GUHD36NM3FO GUHD42NM3FO 380-415V 3N ~...
If the installation location is not strong enough, the indoor unit may fall and cause injuries. ② . If the job is done with the panel frame only, there is a risk that the unit will come loose. ③ . Please take care. Fig.4 Table 6 Model GTH09K3FI GTH12K3FI 1220 1158 GTH18K3FI GTH24K3FI GTH30K3FI GTH36K3FI...
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DC Inverter U-match Series Floor Ceiling Type Unit 4.1.2 Preparation for Installing the Indoor Unit (1). Open the air inlet grille and the screw cover, and remove the screws. (2). Release the claws in the 3 places indicated. (3). Release the center hook and remove the front panel. (4).
DC Inverter U-match Series Floor Ceiling Type Unit Ceiling type ◆ Ceiling Suspension bolt Spring washer Right side Left side panel panel Hanger Fig.7 (6). Adjust the height of the unit to make the drain pipe slant slightly downward so that the drainage will become much smoother.
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DC Inverter U-match Series Floor Ceiling Type Unit 4.2.1 Outdoor unit dimension Fig.9 Table 7 Unit: mm Item Model GUHD09NK3FO GUHD12NK3FO GUHD18NK3FO GUHD24NK3FO GUHD30NK3FO GUHD36NK3FO 1107 1100 GUHD36NM3FO GUHD42NM3FO GUHD42NK3FO 1349 GUHD48NK3FO GUHD48NM3FO GUHD60NM3FO 1085 1365 4.2.2 Condensate Drainage of the Outdoor Unit(Only for the heat pump unit) (Fig.10) (1).
DC Inverter U-match Series Floor Ceiling Type Unit Bottom Drain cap Drain pipe mounting hole Fig.10 4.3 Installation of the Connection Pipe 4.3.1 Flare Processing (1). Cut the connection pipe with the pipe cutter and remove the burrs. (2). Hold the pipe downward to prevent cuttings from entering the pipe. (3).
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DC Inverter U-match Series Floor Ceiling Type Unit CAUTION! ① . To prevent breaking of the pipe, avoid sharp bends. Bend the pipe with a radius of curvature of 150 mm or over. ② . If the pipe is bent repeatedly at the same place, it will break. 4.3.3 Connecting the Pipe at the Indoor Unit Side Detach the caps and plugs from the pipes.
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DC Inverter U-match Series Floor Ceiling Type Unit Table 8 Flare nut tightening torque Pipe Diameter Tightening Torque 1/4˝(Inch) 15-30 (N·m) 3/8˝(Inch) 35-40 (N·m) 5/8˝(Inch) 60-65 (N·m) 1/2˝(Inch) 45-50 (N·m) 3/4˝(Inch) 70-75 (N·m) 7/8˝(Inch) 80-85 (N·m) CAUTION! Be sure to connect the gas pipe after connecting the liquid pipe completely. 4.3.4 Connecting the Pipe at the Outdoor Side Unit Tighten the flare nut of the connection pipe at the outdoor unit valve connector.
DC Inverter U-match Series Floor Ceiling Type Unit 4.3.7Liquid Pipe and Drain Pipe Sealed If the outdoor unit is installed lower than the indoor unit (See Fig.18) Saddle (1). A drain pipe should be above ground and the end of the pipe does not dip into water.
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DC Inverter U-match Series Floor Ceiling Type Unit 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, 15 minutes for the 09K/12K units, 20 minutes for the 18K units, 30 minutes for the 24/30/36K units, 45 minutes for the 42/48/60 units.
DC Inverter U-match Series Floor Ceiling Type Unit Table 9 Model Unnecessary Charge Additional Refrigerant Amount Standard Pipe Length Item Pipe Length for Extra Pipe 09~18K ≤ 7.5m 30 g/m 24~42K ≤ 7.5m 60 g/m 48~60K 7.5m ≤ 9.5m 60 g/m When the height difference between the indoor unit and outdoor unit is larger than 10 meters, an oil bend should be employed for every 6 meters.
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DC Inverter U-match Series Floor Ceiling Type Unit (4) Connect the drain hose.(Fig.23) Drain hose must slope downward. Allow no trap to form in the piping Do not allow end of hose to touch water Fig.23 4.5.2 Installing the Drain Pipes (1).
DC Inverter U-match Series Floor Ceiling Type Unit Drain pan Drain hose ② Bottom-right piping ① Right side piping Fig.27 4.5.4 Testing of Drain Piping (1) After piping work is finished, check if drainage flows smoothly. (2) As shown in the figure, pour water into the drain pan from the right side to check that water flows smoothly from the drain hose.
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DC Inverter U-match Series Floor Ceiling Type Unit ⑧ . Install a leakage special branch circuit breaker in accordance with the related laws and regulations and electric company standards. CAUTION ! ① . The power source capacity must be the sum of the air conditioner current and the current of other electrical appliances.
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⑤ . Always fasten the outside covering of the connection cord with cord clamps. (If the insulator is not clamped, electric leakage may occur.) ⑥ . Always connect the ground wire. (4). Electric wiring between the indoor and outdoor units Single-phase units(09K~30K) GUHD09NK3FO+GTH09K3FI GUHD12NK3FO+GTH12K3FI GUHD18NK3FO+GTH18K3FI ① . Power cord 3×1.5mm (H07RN-F) ②...
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DC Inverter U-match Series Floor Ceiling Type Unit Single-phase units(36K~48K) GUHD36NK3FO+GTH36K3FI GUHD42NK3FO+GTH42K3FI ① . Power cord 3×2.5mm (H07RN-F) ② . Power cord 3×1.0mm (H05RN-F) ③ . Communication Cords 2×0.75mm (H05RN-F) GUHD48NK3FO+GTH48K3FI ① . Power cord 3×6.0mm (H07RN-F) ② . Power cord 3×1.0mm (H05RN-F) ③...
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DC Inverter U-match Series Floor Ceiling Type Unit CAUTION! ① . The power cord and the wire of the fresh air valve are high-voltage, while the communication cord and connection wire of the wired controller are low-voltage. They should run separately against electromagnetic interference.
DC Inverter U-match Series Floor Ceiling Type Unit Three-phase: 36K~60K Fig.35 Routing of External Power Lines Power lines should go along the right side plate and be fixed to the fixation hook with binding wires to keep no contact with pipelines. Communication lines between indoor and outdoor units also should go along the right side plate and keep away from power lines.
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DC Inverter U-match Series Floor Ceiling Type Unit Compressor high discharge temperature protection Communication error Indoor fan motor error Full water protection Indoor ambient temperature sensor error Evaporator temperature sensor error Condenser temperature sensor error Outdoor ambient temperature sensor error Discharge temperature sensor error Temperature sensor error of wired controller Capacity code error...
DC Inverter U-match Series Floor Ceiling Type Unit (2). Instructions to the Error Indicating Lamps on the Panel of the Floor Ceiling Type Unit. States of the Indicating Lamps: Indicating Lamp of “POWER”: The indicating lamp will ① . shine when power on, while it will go out when power off. ①...
DC Inverter U-match Series Floor Ceiling Type Unit 7. Troubleshooting and Maintenance 7.1 Troubleshooting If your air-conditioning unit suffers from abnormal operation or failure, please first check the following points before repair: Table 12 Failure Possible Reasons The power supply is not connected. ①...
DC Inverter U-match Series Floor Ceiling Type Unit 7.2 Routine Maintenance WARNING ! ① . Do turn off the unit and cut off the main power supply when cleaning the air conditioner, otherwise electric shock may happen. ② . Do not make the air conditioner wet or electric shock may be lead; Ensure that the air conditioner will not be cleaned by water rinsing under any circumstance.
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DC Inverter U-match Series Floor Ceiling Type Unit 5. Disassemble the electric box cover After the right side board is removed, the electric box cover will be shown up and disassemble the fixed screws on it. (2). At the Start of the Seasonal Use 1) Check if there is blockage at the inlet or outlet vent of air conditioner.
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GREE ELECTRIC APPLIANCES, INC. OF ZHUHAI Add: West Jinji Rd, Qianshan, Zhuhai, Guangdong, China, 519070 Tel: (+86-756) 8522218 Fax: (+86-756) 8669426 E-mail: gree@gree.com.cn www.gree.com...