Related Manuals for Kinghome KU21-FCU18-3
Summary of Contents for Kinghome KU21-FCU18-3
- Page 1 AIR CONDITIONER INSTRUCTION MANUAL MODEL: KU21-FCU18-3 KU21-ODU18-3 KU21-FCU24-3 KU21-ODU24-3 KU21-FCU30-3 KU21-ODU30-3 KU21-FCU36-3 KU21-ODU36-3 KU21-FCU42-3 KU21-ODU42-3 KU21-FCU48-3 KU21-ODU48-3...
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Page 3: Table Of Contents
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 ............ -
Page 5: Safety Precautions
DC Inverter U-match Series Floor Ceiling Type Unit 1 Safety Precautions This is the safety alert symbol. It is used to alert you to potential personal injury hazards. Obey all safety messages that follow this symbol to avoid possible injury or death. This mark indicates procedures which, if improperly performed, might lead to the death or serious injury of the user. -
Page 6: Outline Of The Unit And Main Parts
DC Inverter U-match Series Floor Ceiling Type Unit 2 Outline of the Unit and Main Parts Fig. 2.1 The connection pipe, drain pipe, power cord, and duct for this unit should be prepared by the user. -
Page 7: Preparative For Installation
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 3.1 Indoor Unit Accessories Name Appearance Q'ty Usage To fix the hook on the Nut with Washer cabinet of the unit Wireless Controller +... -
Page 8: Selection Of The Installation Location
DC Inverter U-match Series Floor Ceiling Type Unit 3.2 Selection of the Installation Location The unit must be installed where strong enough to withstand the weight of the unit and fixed ①. securely, otherwise the unit would topple or fall off. Do not install where there is a danger of combustible gas leakage. -
Page 9: Connection Pipe Requirement
DC Inverter U-match Series Floor Ceiling Type Unit 3.2.2 Outdoor Unit Install the unit where it will not be tilted by more than 5°. ①. During installation, if the outdoor unit has to be exposed to strong wind, it must be fixed securely. ②. -
Page 10: Electrical Requirement
Item Max. Pipe pipe(Outer between Indoor Length Diameter × wall Unit and Model m (feet) thickness) Outdoor Unit Liquid mm (inch) m (feet) KU21-FCU18-3 Φ17X1.75 6(1/4) 12.7(1/2) 50(164) 15(49-1/5) KU21-ODU18-3 (Φ5/8 X 7/100) KU21-FCU24-3 Φ17X1.75 9.5(3/8) 16(5/8) 50(164) 15(49-1/5) KU21-ODU24-3 (Φ5/8 X 7/100) -
Page 11: Installation Of The Unit
DC Inverter U-match Series Floor Ceiling Type Unit Table 3.5 Maximum Fuse Minimum Circuit Power Supply Overcurrent Capacity Ampacity Outdoor Units Protection V/Ph/Hz KU21-ODU18-3 208/230V ~ 60Hz KU21-ODU24-3 208/230V ~ 60Hz KU21-ODU30-3 208/230V ~ 60Hz KU21-ODU36-3 208/230V ~ 60Hz KU21-ODU42-3 208/230V ~ 60Hz KU21-ODU48-3 208/230V ~ 60Hz... - Page 12 If the job is done with the panel frame only, there is a risk that the unit will come loose. Please ③. take care. Fig. 4.1 Table 4.1 Unit: mm (inch) Model KU21-FCU18-3 1220(48) 225(8-7/8) 1160(45-5/8) 280(11) 700(27-1/2) KU21-FCU24-3 KU21-FCU30-3...
- Page 13 DC Inverter U-match Series Floor Ceiling Type Unit 4.1.3 Indoor Unit Installation (1). Determine the location of the hanger through the paper template, and then remove the paper template. Fig. 4.2 (2). Insert the anchor bolts into the drilled holes, and drive the pins completely into the anchor bolts with a hammer.
- Page 14 DC Inverter U-match Series Floor Ceiling Type Unit ◆ Ceiling type Fig. 4.4 (6). Adjust the height of the unit to make the drain pipe slant slightly downward so that the drainage will become much smoother. 4.1.4 Leveling The water level test must be done after installing the indoor unit to make the unit is horizontal, as shown below.
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Page 15: Installation Of The Outdoor Unit
DC Inverter U-match Series Floor Ceiling Type Unit 4.2 Installation of the Outdoor Unit Install the unit where it will not be tilted by more than 5°. ①. During installation, if the outdoor unit has to be exposed to strong wind, it must be fixed securely. ②. -
Page 16: Installation Of The Connection Pipe
DC Inverter U-match Series Floor Ceiling Type Unit (3). Installation Method: Insert the pipe joint into the hole Φ25mm (1inch) located at the base plate of the unit and then connect the drain pipe to the pipe joint. Fig. 4.7 4.3 Installation of the Connection Pipe 4.3.1 Flare Processing (1). - Page 17 DC Inverter U-match Series Floor Ceiling Type Unit (2). Do not bend the pipes in an angle more than 90°. (3). When pipes are repeatedly bent or stretched, the material will harden, making it difficult to bend or stretch them any more. Do not bend or stretch the pipes more than three times.
- Page 18 DC Inverter U-match Series Floor Ceiling Type Unit Fig. 4.11 Fig. 4.12 Table 4.3 Flare nut tightening torque Pipe Diameter Tightening Torque 6mm (1/4inch) 15~30N·m (11~22ft.-1b.) 9.5mm (3/8inch) 35~40N·m (26~29ft.-1b.) 12.7mm (1/2inch) 45~50N·m (33~37ft.-1b.) 16mm (5/8inch) 60~65N·m (44~48ft.-1b.) 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.
- Page 19 DC Inverter U-match Series Floor Ceiling Type Unit 4.3.5 Checking the Pipe Connections for Gas Leaking For both indoor and outdoor unit side, check the joints for gas leaking by the use of a gas leakage detector without fail when the pipes are connected. 4.3.6 Heat Insulation on the Pipe Joints (Indoor Side Only) Stick coupler heat insulation (large and small) to the place where connecting pipes.
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Page 20: Vacuum And Gas Leakage Inspection
DC Inverter U-match Series Floor Ceiling Type Unit (2). If the outdoor unit is installed higher than the indoor unit 1). Taping should be done from lower to the upper part. 2). All pipes are bound and taped together and also should be trapped to prevent water from returning to the room (See Fig. - Page 21 DC Inverter U-match Series Floor Ceiling Type Unit During this time, the reading of the pressure gauge at the low pressure side can not be larger than 0.005MPa (0.72psig). (7). Slightly open the liquid valve and let some refrigerant go to the connection pipe to balance the pressure inside and outside of the connection pipe, so that air will not come into the connection pipe when removing the hose.
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Page 22: Installation Of The Drain Pipe
DC Inverter U-match Series Floor Ceiling Type Unit When the height difference between the indoor unit and outdoor unit is larger than 10m (32-4/5feet), an oil bend should be employed for every 6m (19-2/3 feet). Fig. 4.18 4.5 Installation of the Drain Pipe 4.5.1 Precautions When Doing the Piping Work (1). - Page 23 DC Inverter U-match Series Floor Ceiling Type Unit 4.5.2 Installing the Drain Pipes (1). For determining the position of the drain hose, perform the following procedures. (2). Insert the drain pipe to the drain outlet of the unit and then tighten the clamp securely with tape (Fig.
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Page 24: Electrical Wiring
DC Inverter U-match Series Floor Ceiling Type Unit Fig. 4.24 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. - Page 25 DC Inverter U-match Series Floor Ceiling Type Unit The special branch circuit breaker is installed in the permanent wiring. Always use a circuit that ⑥. can trip all the poles of the wiring and has an isolation distance of at least 3 mm (1/8inch) between the contacts of each pole.
- Page 26 DC Inverter U-match Series Floor Ceiling Type Unit Fig. 4.26 Fig. 4.27 Fig. 4.28 (3). How to fix connection cord and power cord by cord clamp After passing the connection cord and power cord through the insulation tube, fasten it with the cord clamp (Fig. 4.28). Before starting work, check that power is not being supplied to the indoor unit and outdoor unit.
- Page 27 DC Inverter U-match Series Floor Ceiling Type Unit (4). Electric wiring between the indoor and outdoor units Single-phase units (18k-30k) Single-phase units (36k-48k) Fig. 4.29 (5). Electric wiring of indoor unit side Remove the left cover plate and the electric box cover then insert the end of the communication cord and the power cable into the terminal board.
- Page 28 DC Inverter U-match Series Floor Ceiling Type Unit The power cord and the wire of the fresh air valve are high-voltage, while the communication ①. cord and connection wire of the wired controller are low-voltage. They should run separately against electromagnetic interference. The high-voltage and low-voltage lines should pass through the rubber rings at different electric ②.
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Page 29: Installation Of Controllers
DC Inverter U-match Series Floor Ceiling Type Unit Power lines should go along the right side plate. Communication lines between indoor and outdoor units also should go along the right side plate and keep away from power lines. 5 Installation of Controllers Refer to the Installation Manual of the controller for more details. - Page 30 DC Inverter U-match Series Floor Ceiling Type Unit PFC protection Activation failure Compressor phase sequence protection Compressor stalling protection Power protection Indoor and outdoor mismatch 4-way valve direction changing protection Drive reset protection Over-current protection Communication error between main control and drive Drive module sensor error Drive module over temperature protection Zero passage protection...
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Page 31: Working Temperature Range
DC Inverter U-match Series Floor Ceiling Type Unit States of the Indicating Lamps: Indicating Lamp of “POWER”: The indicating lamp will shine when power ①. on, while it will go out when power off. Indicating Lamp of “COOL”: The indicating lamp will shine when “COOL” is ②. - Page 32 KingHome. Only ask professional serviceman to check and repair the unit.
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Page 33: Routine Maintenance
DC Inverter U-match Series Floor Ceiling Type Unit 7.2 Routine Maintenance Do turn off the unit and cut off the main power supply when cleaning the air conditioner, ①. otherwise electric shock may happen. Do not make the air conditioner wet or electric shock may be lead; ensure that the air ②. - Page 34 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).
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