ENGLISH-23
02
INST
ALLA
TION
1 phase 2 wires
1 phase
Earth
Communication cable between Hydro
unit and outdoor units
Power cable
Earth cable
(U-Trap)
Hydro unit
Communication
cable
Circuit
breaker
• 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