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Related Manuals for Western Airconditioning SCVH12A-A1NA I
Summary of Contents for Western Airconditioning SCVH12A-A1NA I
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Page 2: Table Of Contents
Content Safety Precautions ..................1 Outline of the Unit and Main Parts ..............4 Preparative for Installation ................5 Standard Accessory Parts ................5 Selection of the Installation Location ............6 Installation of the Unit ..................7 Installation of the Indoor Unit ...............7 Installation of the Connection Pipe ............10 Installation of the Drain Hose ..............13 Electrical Wiring ..................16 The Panel Installation ................19... -
Page 3: Safety Precautions
Safety Precautions This mark indicates procedures which, if improperly performed, WARNING! might lead to the death or serious injury of the user. This mark indicates procedures which, if improperly performed, CAUTION! might possibly result in personal harm to the user, or damage to property. - Page 4 Safety Precautions Be sure to use a dedicated power circuit. Never use a power supply shared by another appliance. For wiring, use a cable length enough to cover the entire distance with no connection. Do not use an extension cord. Do not put other loads on the power supply, use a dedicated power circuit.
- Page 5 Safety Precautions 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
Outline of the Unit and Main Parts Indoor Drain pipe Connect pipe Air outlet Air outlet panel Air inlet Remote controller Display Temp.indicator MODE Power indicator HEALTH SLEEP TURBO I FEEL TEMP CLEAN TIMER TIMER CLOCK QUIET LIGHT NOTE ● The connection pipe and duct for this unit should be prepared by the user. ●... -
Page 7: Preparative For Installation
Preparative for Installation Standard Accessory Parts The standard accessory parts listed below are furnished and should be used as required. Table 1 Name Appearance Q’ty Usage Remote controller To control the indoor uint To connect with the hard Drain pipe PVC drain pipe To connect the pipe To install the indoor unit... -
Page 8: Selection Of The Installation Location
Preparative for Installation 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! ● Do not install where there is a danger of combustible gas leakage. ●... -
Page 9: Installation Of The Unit
Installation of the Unit Installation of the Indoor Unit 1. Indoor unit dimension WARNING! ● Install the indoor unit in a location which can withstand a load of at least five times the weight of the main unit and which will not amplify sound or vibration. ●... - Page 10 Installation of the Unit 2. Installing the Main Body Unit ● Installation of the unit with old ceiling (The ceiling must be level.) 1. Please punching holes in the ceiling with the instruction on the installation model paper. Notice: (1) Holes in the ceiling must has the same center with the air conditioning main body. (2) Before installation, please complete all pipes and wires connection to the indoor machine.
- Page 11 Installation of the Unit 4. Ensure the air conditioner is level Ensure the four angles of the unit are level a spirit level one by one with a spirit level. (If products tilt the fixed pump to the Fig.6 opposite direction, float switch failure may occur, resulting in drop of water.) 5.
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Page 12: Installation Of The Connection Pipe
Installation of the Unit 3. Remove the installation model paper after ceiling installation. 4. Adjustment Adjust the position of the main body, ensure the ceiling edges evenly spaced and the underside of the main body is recessed the a spirit level ceiling 5 to 25 mm. - Page 13 Installation of the 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 14 Installation of the Unit When the flare nut is tightened properly by your hand, use a torque wrench to finally tighten it. Torque wrench Holding spanner Fig.14 Fig.15 Table 3 Flare nut tightening torque Pipe Diameter (Inch) 1/4˝ 3/8˝ 5/8˝ 1/2˝...
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Page 15: Installation Of The Drain Hose
Installation of the Unit Installation of the Drain Hose ● Installation of Drain Piping CAUTION! Install the drain hose in accordance with the instructions in this installation manual and keep the area warm enough to prevent condensation. Problems with the piping may lead to water leaks. - Page 16 Installation of the Unit 3. When unifying multiple drain pipes, install the pipes as Fig.20. Select converging drain pipes whose gauge is suitable for the operating T-joint converging drain pipes capacity of the unit.(take the cass- ette type unit for example) Fig.20 T-joint converging drain pipes 4.
- Page 17 Installation of the Unit ● Precautions When Doing Riser Piping Work 1. Make sure that heat insulation work is executed on the following 2 spots to prevent any possible water leakage due to dew condensation. 1). Connect the drain hose to the drain lift pipe, and insulate them. 2).
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Page 18: Electrical Wiring
Installation of the Unit Electrical Wiring 1. Wiring Precautions WARNING! ● Before obtaining access to terminals, all supply circuits must be disconnected. ● Before turning on, verify that the voltage is within the 198~264V range (for single phrase unit) or 342~457V range (for three-phrase unit). ●... - Page 19 Installation of the Unit 2). Using a screwdriver, remove the terminal screw (s) on the terminal board. 3). Using a round terminal fastener or pliers, securely clamp a round terminal to each stripped wire end. 4). Position the round terminal wire, and replace and tighten the terminal screw with a screwdriver.(Fig.28) Solid wire Strand wire...
- Page 20 Installation of the Unit (4). Electric wiring of indoor unit side Remove the electric box cover from the electric box sub-assy and then connect the wire. electric box cover N(1) Fig.30 CAUTION! ● 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.
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Page 21: The Panel Installation
Installation of the Unit The Panel Installation ● Precautions 1. Improper screwing of the screws may cause the troubles as shown below. Air leak Condensate Fig.31 2. If gap still exists between ceiling and decoration panel after tightening the screws, readjust the height of the indoor unit No gap is allowed Fig.32... - Page 22 Installation of the Unit ● Installing the Panel 1. Remove the cover board on the corners of the panel. (Pull up the motor cover, then pull out other three as the picture shows.) 2. Keep the panel’s swing motor and the pipes connected to the machine on the same side by adjusting the direction of the panel.
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Page 23: Test Running
Test Running Trial Operation and Testing The meaning of error codes as shown below: Table 4 Error Code Name Filter clean remind High exhaust temp. protection Overcapacity protection Compressor overload protection System high pressure protection System low pressure protection Lack refrigerant/ valve stop protection Jumper malfunction No feedback signal of indoor unit fan Communication malfunction... -
Page 24: Working Temperature Range
Test Running Working Temperature Range Table 5 The unit may not work properly temperature range Outdoor side Outdoor side temperature: above temperature: above Indoor side 52°C or below 15°C 24°C or below -15°C Dehumidify Cooling Heating temperature: operation operation operation Indoor side Indoor side below 12°C... -
Page 25: Troubleshooting And Maintenance
Troubleshooting and Maintenance Troubleshooting If your air-conditioning unit suffers from abnormal operation or failure, please first check the following points before repair: Table 6 Failure Possible Reasons 1. The power supply is not connected. 2. Electrical leakage of air-conditioning unit The unit cannot be started. -
Page 26: Routine Maintenance
Troubleshooting and Maintenance 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. Note: 1. - Page 27 K52420056...
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