McQuay A Series - Detailed Safety Precautions

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CONTENTS
- Outline And Dimensions page i – iv
- Safety Precautions page 2
- Installation Diagram page 3
- Installation Of The Indoor Unit page 4
- Installation Of The Outdoor Unit page 6
- Refrigerant Piping Work page 7
- Electrical Wiring Connection page 8
- Special Precautions When Dealing With R410A Unit page 11
- Special Precautions When Dealing With R407C Unit page 11
- Vacuuming And Charging page 11
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 or any moving parts of the fan motors.
• Confirm that the unit has been switched OFF before installing or servicing the unit.
- Special Precautions When Charging Unit With
Copeland Scroll Compressors page 12
- Accessory Parts page 13
- Indicator Lights page 13
- Overall Checking page 14
- Standard Operation Conditions page 15
- Auto Random Re-start Function page 15
- Service And Maintenance page 15
- Troubleshooting page 16
- Phase Sequencer (Optional) page 16
! Caution
Please take note of 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 units panel is closed after service or installation.
Unsecured panels will cause the unit to operate noisily.