Fujitsu Airstage J-IVS AJ 040LCLDH Series Design & Technical Manual page 977

Example 2 (OK)
•
When stepping over, and wiring to the refrigerant system
Refrigerant system 1
Refrigerant system 2
Refrigerant system 3
Refrigerant system 1
RB unit
IN/U OUT/U
Indoor unit
Refrigerant system 2
Indoor unit
Refrigerant system 3
Indoor unit Indoor unit
Figure 4-6 Connection method to terminal
4-2. Wiring connection
VRF network system
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
VR-II/VR-IV
Outdoor unit
RB unit
Master
Transmission line
Master
VR-II/VR-IV
Outdoor unit Outdoor unit
Master
J-IIIL/J-IVL
Outdoor unit
V-III/V-IV
Outdoor unit Outdoor unit
Master
- (09-17) -
Slave Slave
J-IIIL/J-IVL
Outdoor unit
V-III/V-IV
Outdoor unit
Slave
VR-II/VR-IV VR-II/VR-IV
Outdoor unit
Slave Slave
V-III/V-IV
Slave
4. About connection between series