Table of Contents
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Thank you for choosing these Air Conditioners, please read this owner's manual carefully
before operation and retain it for future reference.
DC Inverter U-match Series
Cassette Type Unit
Installation Manual
Air Conditioners
Models
Indoor Unit
ASKEC4H4R18
ASKEC4H4R24
ASKEC4H4R36
ASKEC4H4R48
Outdoor Unit
ASKCI4H4R18
ASKCI4H4R24
ASKCI4H4R36
ASKCI4H4R48
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Table of Contents
Related Manuals for Air-Con ASKEC4H4R18
Summary of Contents for Air-Con ASKEC4H4R18
- Page 1 DC Inverter U-match Series Cassette Type Unit Installation Manual Air Conditioners Models Indoor Unit Outdoor Unit ASKEC4H4R18 ASKCI4H4R18 ASKEC4H4R24 ASKCI4H4R24 ASKEC4H4R36 ASKCI4H4R36 ASKEC4H4R48 ASKCI4H4R48 Thank you for choosing these Air Conditioners, please read this owner’s manual carefully before operation and retain it for future reference.
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Page 3: Table Of Contents
Contents 1 Safety Precautions ..................1 2 Outline of the Unit and Main Parts..............3 3 Preparative for Installation ................4 3.1 Standard Accessory Parts ................4 3.2 Selection of the Installation Location ............5 3.3 Connection Pipe Requirement ..............7 3.4 Electrical Requirement ................ -
Page 4: Safety Precautions
DC Inverter U-match Series Cassette 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. - Page 5 DC Inverter U-match Series Cassette Type Unit (14). During installation, attach the refrigerant piping securely before running the compressor. If the compressor is not attached and the stop valve is open during pump-down, air will be sucked in when the compressor is run, causing abnormal pressure in the freezer cycle which will lead to breakage and even injury.
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Page 6: Outline Of The Unit And Main Parts
DC Inverter U-match Series Cassette Type Unit 2 Outline of the Unit and Main Parts Indoor 1. Drainage device 2. Drainage pipe 3. Air flow flap Outdoor 4. Connection pipe Air inlet 5. Wired Controller 6. Wireless Controller 7. Big handle 8. -
Page 7: Preparative For Installation
DC Inverter U-match Series Cassette 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 connect with the hard PVC drain Drain Hose pipe To fix the hook on the cabinet of the... -
Page 8: Selection Of The Installation Location
Note: There will be large amount of greasy dirt accumulated on the fan, heat exchanger and water pump located in the dinning room and kitchen, which would reduce the capacity of the heater exchanger, lead to leakage and abnormal operation of the water pump. Table 3.3 Models H(mm) ASKEC4H4R18 ASKEC4H4R24 ASKEC4H4R36 ASKEC4H4R48 Fig.3.1... - Page 9 DC Inverter U-match Series Cassette 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.
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Page 10: Connection Pipe Requirement
Length Indoor Unit and Diameter × wall Model Liquid Outdoor Unit (m) thickness) (mm) ASKCI4H4R18 ASKEC4H4R18 ASKCI4H4R24 ASKEC4H4R24 φ25×1.5 ASKCI4H4R36 ASKEC4H4R36 ASKCI4H4R48 ASKEC4H4R48 The connection pipe should be insulated with proper water-proof insulating material. The pipe wall thickness shall be 0.5-1.0mm and the pipe wall shall be able to withstand the pressure of 6.0 MPa. -
Page 11: Installation Of The Unit
DC Inverter U-match Series Cassette Type Unit The specifications of the breaker and power cable listed in the table above are determined ③ . based on the maximum power (maximum amps) of the unit. The specifications of the power cable listed in the table above are applied to the conduit- ④... - Page 12 DC Inverter U-match Series Cassette Type Unit Table 4.1 Item Model ASKEC4H4R18 ASKEC4H4R24 ASKEC4H4R36 ASKEC4H4R48 1040 4.1.2 Installing the Main Body Unit Fig. 4.2 (1). Install the hoisting stand on the hoisting screw by using nuts and gaskets at both the upper and lower sides of the hoisting stand.
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Page 13: Installation Of The Outdoor Unit
DC Inverter U-match Series Cassette Type Unit Fig. 4.3 Fig. 4.4 Fig. 4.5 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. Horizontal tester Fig.4.6 4.2 Installation of the Outdoor Unit WARNING! ①... -
Page 14: Installation Of The Connection Pipe
DC Inverter U-match Series Cassette Type Unit Table 4.2 Unit: mm Item Model ASKCI4H4R18 ASKCI4H4R24 ASKCI4H4R36 1107 1100 ASKCI4H4R48 1349 4.2.2 Condensate Drainage of the Outdoor Unit(Only for the heat pump unit) (Fig. 4.8) (1). It is required to install a drain pipe for the outdoor unit to drain out the condensate water during heating operation. - Page 15 DC Inverter U-match Series Cassette Type Unit 4.3.2 Bending Pipes (1). The pipes are shaped by your hands. Be careful not to collapse them. Fig.4.10 (2). Do not bend the pipes in an angle more than 90°. Pipe (3). When pipes are repeatedly bent or stretched, the Heat insulating material will harden, making it difficult to bend or pipe...
- Page 16 DC Inverter U-match Series Cassette Type Unit Use the medium-sized sponge to insulate the coupler of the gas pipe. Fig.4.12 Table 4.3 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)
- Page 17 DC Inverter U-match Series Cassette Type Unit 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. Fig.4.14 4.3.7 Liquid Pipe and Drain Pipe Sealed If the outdoor unit is installed lower than the indoor unit (See Fig.4.15) Saddle (1).
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Page 18: Vacuum And Gas Leakage Inspection
DC Inverter U-match Series Cassette Type Unit 4.4 Vacuum and Gas Leakage Inspection CAUTION! Do not purge the air with refrigerants but use a vacuum pump to vacuum the installation! There is no extra refrigerant in the outdoor unit for air purging! 4.4.1 Vacuum (1). -
Page 19: Installation Of The Drain Hose
DC Inverter U-match Series Cassette Type Unit service ports to quicken the evacuating speed. 4.4.2 Additional Charge 18K~36K：Refrigerant suitable for a piping length of 5m is charged in the outdoor unit at the factory.When the piping is longer than 7m, additional charging is necessary. 48K：Refrigerant suitable for a piping length of 7.5m is charged in the outdoor unit at the factory.When the piping is longer than 10 m, additional charging is necessary. - Page 20 DC Inverter U-match Series Cassette Type Unit 4.5.2 Installing the Drain Pipes (1). Insert the drain pipe to the drain outlet of the unit and then tighten the clamp securely with tape. (2). Connect the extension drain pipe to the drain pipe and then tighten the clamp with tape. ≤...
- Page 21 DC Inverter U-match Series Cassette Type Unit Fig. 4.21 Fig. 4.22 Fig. 4.23 (8). Connection of drainage branch pipe to the standpipe or horizontal pipe of drainage main pipe The horizontal pipe cannot be connected to the vertical pipe at a same height. It can be connected in a manner as shown below: NO.1: Attach the 3-way connection of the drainage pipe joint as shown in Fig.
- Page 22 DC Inverter U-match Series Cassette Type Unit (4). Secure a downward gradient of 1/100 or more for the drain pipe. To accomplish this, mount supporting brackets at an interval of 1 -1.5 m. 1-1.5m × (Correct) 1/100 or more gradient (wrong) Fig.
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Page 23: The Panel Installation
DC Inverter U-match Series Cassette Type Unit 4.6 The Panel Installation 4.6.1 Precautions (1). See the figure below for the relationship of the front panel and the connecting pipe. The connecting pipe should be located corresponding to the marking. Fig. 4.31 (2). - Page 24 DC Inverter U-match Series Cassette Type Unit (4). Wire the swing flap motor as shown in Fig. 4.34. Fig. 4.34 4.6.2 Installing the Panel (1). Place the panel at the unit, and latch the hooks beside and opposite the swing flap motor. (2).
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Page 25: Electrical Wiring
DC Inverter U-match Series Cassette Type Unit Fig. 4.35 4.7 Electrical Wiring 4.7.1 Wiring Precautions WARNING! ① . Before obtaining access to terminals, all supply circuits must be disconnected. ② . The rated voltage of the unit is as shown as Table 3.5 and Table 3.6 ③... - Page 26 DC Inverter U-match Series Cassette Type Unit ⑦ . Perform wiring work in accordance with standards so that the air conditioner can be operated safely and positively. ⑧ . Install a leakage special branch circuit breaker in accordance with the related laws and regulations and electric company standards.
- Page 27 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(18K/24K) ASCI4H4R18 + ASKEC4H4R18 ① . Power cord 3×1.5mm (H07RN-F) ② . Power cord 3×1.0mm (H05RN-F) ③...
- Page 28 DC Inverter U-match Series Cassette Type Unit Single-phase units(36K~48K) ASKCI4H4R48 + ASKEC4H4R48 ① . Power cord 3×6.0mm (H07RN-F) ② . Power cord 3×1.0mm (H05RN-F) ③ . Communication Cords 2×0.75mm (H05RN-F) Fig. 4.39 (5). Electric wiring of indoor unit side Remove the electric box cover from the electric box sub-assy and then connect the wire. Power supply terminal board Electric...
- Page 29 DC Inverter U-match Series Cassette 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.
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Page 30: Installation Of Controllers
DC Inverter U-match Series Cassette Type Unit 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. Routing of External Power Lines... - Page 31 DC Inverter U-match Series Cassette Type Unit Outdoor ambient temperature sensor error Discharge temperature sensor error Temperature sensor error of wired controller Capacity code error Outdoor memory chip error Electric box sensor error Compressor overload protection Overloading IPM protection DC fan motor error Drive desynchronizing protection Pfc protection Activation failure...
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Page 32: Working Temperature Range
DC Inverter U-match Series Cassette Type Unit (2). Instructions to the Error Indicating Lamps on the Panel of the Cassette Type Unit. Receiver "88" Dispaly "Auto" Button Power Timer "Test" Button Indicating Lamp Indicating Lamp Fig. 6.1 ◆ Power and ON/OFF Indicating Lamp: It goes red when the unit is powered on while it goes white when the unit is started. -
Page 33: Troubleshooting And Maintenance
Note: After carrying out the check of the above items and taking relevant measures to solve the problems but the air-conditioning unit still does not function well, please stop the operation of the unit immediately and contact the local service agency designated by AIR-CON. Only ask professional serviceman to check and repair the unit. -
Page 34: Routine Maintenance
DC Inverter U-match Series Cassette Type Unit 7.2 Routine Maintenance Only a qualified service person is allowed to perform maintenance. Before accessing to terminal devices, all power supply circuits must be disconnected. Do not use water or air of 50°C or higher for cleaning air filters and outside panels. Notes: Do not operate the air conditioner with the filter uninstalled, otherwise dust would come into ①... - Page 35 DC Inverter U-match Series Cassette Type Unit 2. Disassemble the air inlet grille Open the air inlet grille at 45°, raise it and remove the grille. 3. Disassemble the filter screen Draw out the filter screen and remove it. Filter screen 4.
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