Safety Precautions
Wiring
•
Must follow the electric safety regulations when installing the unit.
•
According to the local safety regulations, use qualified power supply circuit and circuit breaker.
•
Install a circuit breaker of adequate capacity only used for the system; otherwise, it may cause
malfunction.
•
The appliance should be properly grounded. Incorrect grounding may cause electric shock.
•
Make sure the power supply matches with the requirement of the appliance. Unstable power
supply or incorrect wiring may cause malfunction of the unit, electric shock or fire hazard.
•
Properly connect the live wire, neutral wire and grounding wire
of the power outlet correctly.
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Be sure to cut off the power supply before proceeding any work related to electricity and safety.
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Instructions for cord-connected room air conditioners
shall include
manufacturer’s
recommendations regarding the use of cord sets (extension cords). If use of an extension cord is
not recommended, the instructions shall state this. Recommendations for an extension cord shall
specify at least the use of a cord set with an equipment grounding conductor grounding-type
attachment plug, and grounding-type connector (load fitting); the amperage and the rated voltage
of the cord set.
