BEFORE PERFORMING ELECTRICAL WORK, READ THESE REGULATIONS
1. All wiring must comply with local and national electrical codes and must be installed by a
2. All electrical connections must be made according to the Electrical Connection Diagram
located on the panels of the indoor and outdoor units.
3. If there is a serious safety issue with the power supply, stop work immediately. Explain your
reasoning to the client and refuse to install the unit until the safety issue is properly resolved.
4. Power voltage should be within 90-100% of rated voltage. Insucient power supply can
cause malfunction, electrical shock, or re.
5. If connecting power to xed wiring, install a surge protector and main power switch with a
capacity of 1.5 times the maximum current of the unit.
6. If connecting power to xed wiring, a switch or circuit breaker that disconnects all poles and
has a contact separation of at least 1/8 in (3 mm) must be incorporated in the xed wiring. The
qualied technician must use an approved circuit breaker or switch.
7. Only connect the unit to an individual branch circuit outlet. Do not connect another appliance
to that outlet.
8. Make sure to properly ground the air conditioner.
9. Every wire must be rmly connected. Loose wiring can cause the terminal to overheat,
resulting in product malfunction and possible re.
10. Do not let wires touch or rest against refrigerant tubing, the compressor, or any moving parts
within the unit.
11. If the unit has an auxiliary electric heater, it must be installed at least 40 in (1 m) away
from any combustible materials.
BEFORE PERFORMING ANY ELECTRICAL OR WIRING WORK, TURN OFF THE MAIN POWER
TO THE SYSTEM.