46-EN
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Wiring between indoor unit and outdoor units
NOTE
A wiring diagram below is an example for connection to SMMS-u series. For connecting to other outdoor unit
series, refer to the Installation Manual attached to the outdoor unit to be connected.
q
Wiring example
Outdoor Power supply
380V-415V~, 50Hz
380V~, 60Hz
Outdoor Power supply
380V-415V~, 50Hz
380V~, 60Hz
Circuit breaker
Circuit breaker
Earth
terminal
S: The ground of a
shielded wire
S: The ground of a shielded wire
Earth
terminal
Outdoor unit
Header outdoor
Outdoor unit
Follower outdoor
Control wiring between outdoor units (Shield wire)
Control wiring between indoor and outdoor units (Shield wire)
Control wiring between indoor units (Shield wire)
Indoor unit
Indoor unit
Indoor unit
Fresh air intake
Earth
Earth
Earth
Earth
Indoor power supply
220V-240V~, 50Hz
208V-230V~, 60Hz
Circuit breaker,
Power switch
Pull box
Pull box
Pull box
Group control
Remote controller
Remote controller
Remote controller