Fujitsu AIRSTAGE UTY-ASGXZ1 Operating Manual page 44

When an error occurs at transmission line, unit data can be acquired directly from outdoor
„
unit.
ex) When data is acquired from a master unit
ex) When data is acquired from a slave unit
(2
Outdoor Unit
Master
Power ON
Master
Service Tool
Transmission
Adaptor
Power ON
Master
Service Tool
Transmission
Adaptor
Slave Slave
Indoor Unit
Stop operation of the Indoor
Unit of the target refrigerant
circuit.
Power ON Power ON
Slave Slave
Disconnect from the VRF
Network and connected
Service Tool and Outdoor
Unit (Master) on a 1-to-1
basis.
Slave → Master
Power ON
Power ON
Master Slave
For Outdoor Unit (Slave),
connect to the Service
Tool on a 1-to-1 basis after
changing the setting (DIP
SW3; All OFF) to number
of Master and Slave 0.
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