Power Wiring and Communication Wiring Configuration
• Be sure to run the power supply cable and the communication cable through electrical conduit as seen in the picture.
• Install the communication cable, indoor power cable and the main power cable in the cable tube.
• Secure the cable tube to the outdoor knockout using the CD connector and bushing.
• Arrange the cables as shown in the picture.
• The diameter of the 6 knock-out holes is Ø27.8 mm.
Communication
cable
Main power cable
CAUTION
• Make a knockout hole by driving in a nail.
• When installing the cables through the knockout hole, remove all burrs and protect them with the
protection tape.
• Apply rust resisting paint around the hole.
1 phase 2 wires (220-240V~)
1 phase 220-240V~
Circuit
breaker
Earth
(Inside)
(Outside)
Communication cable
between indoor and
outdoor units
Power cable
Communication cable
F1 F2
1 phase
220-240V~
N
L
N
L
N
L
Hydro unit
DHW Tank
Earth cable
(U-Trap)
English
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