Fujitsu AIRSTAGE J-IIIL Design & Technical Manual page 848

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
Outdoor unit
RB unit
Master
Transmission line
Master
VR-II Outdoor unit VR-II Outdoor unit
Master
J-II Outdoor unit
V-II Outdoor unit V-II Outdoor unit
Master
- (09-16) -
Slave Slave
J-II
Outdoor unit
V-II
Outdoor unit
Slave
VR-II Outdoor unit
Slave Slave
Slave
4. About connection between series