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10. Installation
Electrical wiring work
Power and communication cable configuration
• Main power and the ground cable must be withdrawn through the knock-out hole on the bottom-right or right
side of the cabinet.
• Withdraw the communication cable from the designated knock-out hole on the bottom-right side of the front part.
• Install the power and communication cable using separate cable protection tube.
• Fix a protection tube to the knock-out hole on the outdoor unit by using a CD connector or bushing. Make sure to
use insulating bushing.
Main unit
Sub unit
Sub unit
Ground cable
Ground cable
Ground cable
Communication
cable
Power •
ground cable
Power cable
Power cable
Power cable
Communication
cable between
outdoor units
Communication
cable between
outdoor units
Protection
tube
ELCB
MCCB+
ELB
or
ELCB
MCCB+
ELB
or
ELCB
MCCB+
ELB
or