Toshiba MMU-AP0091H Owner's Manual Installation And Operation page 81

System wiring diagram
Outdoor Power supply
380V-415V 3N~50Hz
Power supply
220-240V 50Hz
8 8
6
L N
Earth
terminal
U1 U2
U3 U4
Open
1
Earth
terminal
L1 L2 L3 N U1 U2 U3 U4 U5 U6
Control wiring between indoor and outdoor units
3
4
U1 U2
CN
CN81
02
CN
01
Earth Earth
terminal terminal
L N
5
Power supply
Single phase
220-240V
9 8
50Hz
7
NOTE :
Control wire and power wire between FS unit and indoor unit are the accessory parts of FS unit. (Wire length : 6m)
If the length between indoor and FS unit exceeds 5m, connect by using the connection cable kit sold separately
(RBC-CBK15FE).
Outdoor Power supply
380V-415V 3N~50Hz
8
2
Earth
terminal
L1 L2 L3 N U1 U2 U3 U4
Control wiring between outdoor units
3
4
U1 U2
CN
02
CN
01
Earth Earth
terminal terminal
A B
A B
Outdoor Power supply
380V-415V 3N~50Hz
8
2
Earth
terminal
U5 U6 L1 L2 L3 N U1 U2 U3 U4
Control wiring between outdoor units
4
CN
CN81
02
CN
01
Earth
terminal
L N A B
5
A B
7
78
Header outdoor unit
1
2 Follower outdoor unit
3 Indoor unit
FS unit
4
Remote controller
5
6 Central remote controller
Pull box
7
Earth leakage breaker
8
Main switch
9
U5 U6
Group control
When connecting the plural indoor units to a FS unit.
3 3
U1 U2
CN81
Earth
terminal
L N A B
5
A B
7
U1 U2
Earth
terminal
L N A B