McQuay RCM20D

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SAFETY PRECAUTIONS
Before installing the air conditioner unit, please read the following safety precautions carefully.
Warning
• Installation and maintenance should be performed by qualified persons who are familiar with local code and
regulation, and experienced with this type of appliance.
• All field wiring must be installed in accordance with the national wiring regulation.
• Ensure that the rated voltage of the unit corresponds to that of the name plate before commencing wiring work
according to the wiring diagram.
• The unit must be GROUNDED to prevent possible hazard due to insulation failure.
• All electrical wiring must not touch the refrigerant piping, compressor and any moving parts of the fan motors.
• Confirm that the unit has been switched OFF before installing or servicing the unit.
IMPORTANT
DO NOT INSTALL OR USE THE AIR CONDITIONER UNIT IN A LAUNDRY ROOM.
CONTENTS
- Safety Precautions page 2
- Air Conditioner Parts Description page 3
- Outline And Dimensions page 3
- Installation Of Indoor Unit page 5
- Installation Of Outdoor Unit page 7
- Refrigerant Piping page 7
- Electrical Wiring Connection page 9
- Vacuuming And Charging page 12
- Additional Charge page 12
- Air Conditioner Unit Operation page 13
- Standard Operating Conditions page 13
- Auto Random Re-start Function page 13
- Service And Maintenance page 14
- Trouble Shooting page 14
Caution
Please take note on the following important points when installing.
• Do not install the unit where leakage of flammable gas may occur.
If gas leaks and accumulates around the unit, it may cause fire ignition.
• Ensure that the drainage piping is connected properly.
If the drainage piping is not connected properly, it may cause water leakage which will dampen the
furniture.
• Do not overcharge the unit.
This unit is factory pre-charged. Overcharge will cause over-current or damage to the compressor.
• Ensure that the unit panel is closed after service or installation.
Unsecured panel will cause unit to operate noisily.
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