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3 phase 4 wires
3 phase
Circuit
breaker
Communication cable between Hydro and
Earth
• When removing the outer cover of the power cable, use the appropriate tools to prevent damaging the inner
cover .
CAUTION
• 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 .
outdoor units
N
L
N
L
L1(R) L2(S) L3(T)
ENGLISH-21
L1(R) L2(S) L3(T)
N
1(L)
2(N)
NOT USE
Power cable
Hydro unit
N
3 phase
Earth cable
(U-Trap)
Communication
cable
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