Fujitsu AJ**A72LBTF - Page 21

En-21
(Example. 2)
In case of connected three outdoor unit
Circuit breaker (Sub)
Circuit breaker (Main)
400 V 3ø 50 Hz
Transmission cable
Outdoor unit
Power supply cable
230 V 1ø 50 Hz
Indoor unit
Power supply
cable
Circuit breaker
Remote controller
cable
OK
Remote controller
cable
(Example. 3)
In case of connected three outdoor unit
No Good
400 V 3ø 50 Hz
Circuit breaker
Outdoor unit
Power supply cable
No Good: install a breaker for each outdoor unit
No Good: crossover power supply wiring prohibited
Transmission cable
230 V 1ø 50 Hz
Indoor unit
Power supply
cable
Circuit breaker
9374241033_IM_en_p18-36.p65 26/8/2008, 18:2321