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Air conditioner inverter / Installation manual
•
Be sure to cut off the main power in case of setting up the
indoor electronic control P. C. Board or wiring works.
It could cause an electric shock.
•
The appliance shall be installed in accordance with national
wiring regulations.
•
When installing or relocating the unit, make sure that no
substance other than the specified refrigerant (R410A)
enters the refrigerant circuit.
Any presence of foreign substance such as air can cause abnormal
pressure rise or an explosion.
•
Perform earthing.
Do not connect the earth wire to a gas pipe, water pipe, lightning
rod or telephone earth wire. Defective earthing could cause an
electric shock.
•
Do not install the unit in a place where an inflammable gas
leaks.
If gas leaks and accumulates in the area surrounding the unit, it
could cause an explosion.
•
Fasten a flare nut with torque wrench as specified in this
manual.
When fastened too tight, a flare nut may break after a long period
and cause a leakage of refrigerant.
•
Install an earth leakage breaker depending on the installation
place (where it is humid).
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Safety instructions
