Fujitsu AIRSTAGE J-II Design & Technical Manual page 498

WIRING METHOD
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Practical transmission wiring method is shown below.
Each terminal has to be connected the following rules.
To other refrigerant circuit outdoor unit
Power supply
Breaker
Outdoor unit
Transmission
Indoor unit
*1
Transmission
Power supply
Remote control
*2
Breaker
Power supply
Remote
control unit
X1, X2 : Indoor units to outdoor unit
●
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Z1, Z2 : Connection for different refrigerant circuit of outdoor unit
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*1 : The number of power supply terminals is different depending on the indoor unit model.
For the wiring, refer to the indoor unit installation manual.
*2 : Ground the remote controller if it has a ground wire.
Indoor unit
*1
Transmission
Power supply
Remote control
Breaker
Power supply
Remote
control unit
- (06 - 56) -
*1
Transmission
Power supply
Remote control
*2
Breaker
Power supply
Indoor unit
*2
Remote
control unit