Wiring Connection - Fujitsu Airstage J-II Series Design & Technical Manual

4-2. WIRING CONNECTION

Note: · Wiring connection of VR-II V-II and J-II in the same refrigerant system is
prohibited.
· Mixed connection of 230V model and 460V model is possible.
„ EXAMPLE1 (OK)
z
When wiring to each refrigerant system
Refrigerant system 1
Refrigerant system 2
Refrigerant system 3
z Connection method to terminal
z
Refrigerant system 1
RB unit
IN/U OUT/U
Indoor unit
Refrigerant system 2
Indoor unit
Refrigerant system 3
Indoor unit Indoor unit
VRF network system
VR-II
Outdoor unit
Transmission line
Transmission line
Transmission line
RB unit RB unit
IN/U OUT/U IN/U OUT/U
Indoor unit Indoor unit
Indoor unit Indoor unit
Indoor unit Indoor unit
RB unit
Master Slave
J-II Outdoor
unit
Transmission line
Master Slave
VR-II Outdoor unit VR-II Outdoor unit
Master
J-II Outdoor unit
V-II Outdoor unit V-II Outdoor unit
Master
- (09-12) -
Slave
V-II Outdoor
unit
VR-II Outdoor unit
Slave Slave
Slave