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Requirements for electric connection
Safety precaution
1. The electric safety regulations must be followed when installing the unit.
2. According to the local safety regulations, use qualified power supply circuit
and earth leakage circuit breaker.
3. Make sure the power supply matches with the requirement of air conditioner.
Unstable power supply or incorrect wiring may result in electric shock, fire hazard
or malfunction. Please install proper power supply cables before using the air
conditioner.
4. Properly connect the live wire, neutral wire and grounding wire of power socket.
5. Be sure to cut off the power supply before proceeding any work related to
electricity and safety.
6. Do not put through the power before finishing installation.
7. If the supply cord is damaged, it must be replaced by the manufacturer, its service
agent or similarly qualified persons in order to avoid hazard.
8. The temperature of refrigerant circuit will be high, please keep the interconnection
cable away from the copper tube.
9. The appliance shall be installed in accordance with national wiring regulations.
Grounding requirement
1. The air conditioner is the first class electric appliance. It must be properly
grounded with specialized grounding device by a professional. Please make sure
it is always grounded effectively, otherwise it may cause electric shock.
2. The yellow-green wire in air conditioner is grounding wire, which can't be used for
other purposes.
3. The grounding resistance should comply with national electric safety regulations.
4. The appliance must be positioned so that the plug is accessible.
5. An all-pole disconnection switch having a contact separation of at least 3mm in
all poles should be connected in fixed wiring.
6. Be sure to install an earth leakage breaker capable of handling maximum rated
current. (One that can handle higher harmonics.)
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