ELECTRICAL WORK
Power
Ampere of breaker
Knife switch
Size of grounding wire
Min. size of electric wires from/to
the indoor/outdoor unit
Size of electric input wires
Switch
Fuse
3phase 3wires 208 ~ 230V / 60Hz
50 A
30 A
30 A
AWG 14
AWG 19
AWG 19
The electrical work should be performed by a specialist qualified for the work.
◆ Use the three phase power supply, and be sure to install the sub power distributing board for
exclusive use with the unit(separately purchased by the user).
❈ Avoid octopus-type wiring as it can cause a drop in voltage, thus resulting in poor performance
of the automatic control circuit.
◆ Be sure to install circuit breaker (separately purchased by the user).
◆ Be sure to connect the grounding wire.
❏
Electric power spec
CAUTION
◆ Be sure to use the wires, and switches or fuses of power distribution board are qualified
and fulfill the specification.
◆ Be sure to install knife switch or circuit breaker on the power distribution board.
◆ The electrical and grounding work should be performed as per “ technical specification
of electrical facilities ” and “ specification of internal wiring ”.
◆ Be sure to connect main electrical input wires with bolted connectors using compressed terminal.
E-23
ELECTRICAL WORK
/