Fujitsu AOU48RLXFZ Design & Technical Manual page 192

WIRING SYSTEM LAYOUT
For installation of the outdoor unit, branch boxes, and indoor units, follow the instructions in the
installation manual for each unit.
Outdoor unit
5
Circuit breaker
(over current)
Earth leakage
breaker
Power
supply
Branch box 3
(Secondary)
6
Circuit breaker
(over current)
Earth leakage
breaker
Power
supply
Branch box 2
(Secondary)
6
Circuit breaker
(over current)
Earth leakage
breaker
Power
supply
Branch box 1
(Primary)
2
6
Circuit breaker
(over current)
Earth leakage
4
breaker
Power
supply
3
1
1
: Transmission line [O.U. - B.B.(primary)] (
2
: Transmission line [B.B.(primary) - B.B.(secondary] (
3
: Central remote controller line [Central remote controller - B.B.] (
4
: Power supply and Transmission line [B.B. - I.U.] (
5
: Power supply [Outdoor Unit] (
6
: Power supply [Branch Box] (
7
: Remote controller line [I.U. - R.C.] (
- (06 - 38) -
8
Indoor units
7
Central remote
controller
)
)
)
)
)
)
6. SYSTEM DESIGN
)