Fujitsu AIRSTAGE J-IIIL, Design & Technical Manual

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• 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.
b
a
c
AC 230 V
AC 24 V
c
AC 24 V
c
AC 24 V
a: Circuit breaker
b: Relay
c: External power supply unit
b
a
c
AC 230 V
AC 24 V
b
a
c
AC 230 V
AC 24 V
b
a
c
AC 230 V
AC 24 V
AC 230 V power breaker OFF only for some indoor units
connected with remote controller cable
4-2. Power supply cable
- (06-53) -
4. Wiring design
SYSTEM DESIGN SYSTEM DESIGN