n System wiring diagram
Outdoor Power supply
380V-415V 3N~50Hz
Power supply
Single phase
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
6
Header outdoor unit
1
Follower outdoor unit
2
3
Indoor unit
FS unit
4
Remote controller
5
Central remote controller
6
7
Pull box
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