Fujitsu AIRSTAGE J-IIIL Design & Technical Manual page 575

• Example 2: Using external power supply unit
When operating multiple indoor units with one remote controller, make sure that AC 230 V power
is supplied with one breaker as shown below.
AC 230 V
a
b
4-2. Power supply cable
AC 230 V
AC 24 V
a
b
c
a: Circuit breaker
b: Relay
c: External power supply unit
AC 230 V
AC 24 V
a
b
c
AC 230 V power breaker OFF only for some indoor units
connected with remote controller cable
- (06-53) -
AC 24 V
c
AC 230 V
AC 24 V
AC 24 V
a
b
c
AC 24 V
c
c
4. Wiring design