ENGLISH-21
02
INST
ALL
ATION
3 phase 4 wires
N
L
N
L
L1(R) L2(S) L3(T)
N
L1(R) L2(S) L3(T)
N
2(N)
1(L)
3 phase
Earth
Communication cable between Hydro and
outdoor units
Power cable
Earth cable
(U-Trap)
3 phase
Hydro unit
Communication
cable
Circuit
breaker
NOT USE
•
When removing the outer cover of the power cable, use the appropriate tools to prevent damaging the inner
cover.
•
Make sure to place the outer cover of the power cable and the communication cable, at least 20
mm into the
electrical parts.
•
Communication wiring should be done separately from the power cable and other communication cables.
CAUTION
