System Wiring Diagram - Toshiba RBM-Y1801F4PE Installation Manual

System wiring diagram

Indoor unit / FS unit
power supply
220-240V ~, 50Hz
Circuit breaker
Pull box
(Earth leakage
breaker)
power switch
EN-25
Outdoor Power supply Outdoor Power supply
380-415 V 3N ~, 50 Hz 380-415 V 3N ~, 50 Hz
Circuit breaker
(Earth leakage breaker)
power switch
Header outdoor unit
Earth Earth
L1 L2 L3 N U1 U2 U3 U4 U5 U6
terminal terminal
Control wiring between outdoor units
Control wiring between indoor and outdoor units
Control wiring between indoor units
Indoor unit Indoor unit
Earth Earth
L N U1 U2 A B L N
A B
Remote controller
Pull box Pull box
Communication
wire
FS unit
A B
L N
Earth
Pull box
13
Circuit breaker
(Earth leakage breaker)
power switch
Follower outdoor unit
L1 L2 L3 N U1 U2 U3 U4 U5 U6
Indoor unit Indoor unit
Earth Earth
U1 U2 A B L N U1 U2 A B
A B A B
Remote controller Remote controller
Pull box
Communication Communication
wire wire
A B A B
L N U1 U2 A B
FS unit
A B A B
L N
Earth
Pull box
A B
EN-26