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CONTENTS
Before installing the air conditioner unit, please read the following safety precautions carefully.
SAFETY PRECAUTIONS
- Outline And Dimensions page i-iv
- Safety Precautions page 2
- Installation Diagram page 3
- Installation Of The Outdoor Unit page 3
- Installation Of The Indoor Unit page 4
- Refrigerant Piping page 5
- Electrical Wiring Connection page 6
- Special Precautions When Dealing
with R410A Unit page 7
- Vacuuming and Charging page 7
- Indicator Lights page 8
- Air Conditioner Unit Operation page 9
- Operating Range page 9
- Electrostatic Filter page 10
- Installation of Unit with O
2
Therapy Feature page 10
- Auto Random Re-Start Function page 11
- Service And Maintenance page 11
- Troubleshooting page 12
! 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.
• 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.
• Sharp edges and coil surfaces are potential locations which may cause injury hazards. Avoid from
being in contact with these places.
! Warning
• Installation and maintenance shall 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 hazards due to insulation failure.
• All electrical wiring must not touch the refrigerant piping, compressor or any moving parts of the fan motors.
• Confirm that the unit has been switched OFF before installing or servicing the unit.
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