ENGLISH-42
Wiring work
1. 1 phase product
L N
L N
1Φ, 220-240Vac
Distribution board
1 phase AC
POWER-IN
220~240V~
MCCB + ELB
ELCB
grounding
grounding
1 phase AC POWER
or
2. 3 phase product
L N L N L3(T) N
L1(R) L2(S)
N
L N L1(R) L2(S) L3(T)
1Φ, 220-240Vac
3Φ, 380-415Vac
Distribution board
1 phase AC
POWER-IN
220~240V~
3 phase AC
POWER-IN
380~415V~
MCCB + ELB MCCB + ELB
ELCB ELCB
grounding
grounding
1 phse AC POWER
3 phse AC POWER
or or
• If the supply cable is damaged, it must be replaced by a special cable or assembly available from the
manufacturer or installer.
• Circuit Breaker (ELCB, ELB, MCCB etc.) for outdoor and indoor units shall be installed by installers because they
are not sub-parts in the units. But you don't need to install for hydro unit (Built-in ELCB).
• It cause damage to chassis, PCB parts if the main power is not connected correctly. You should make certain that R,
S, T is connected correctly before turning on the main power. (3 phase models only)
CAUTION
ELCB : Earth leakage circuit breaker
ELB : Earth leakage breaker
MCCB : Molded case circuit breaker