About Connection Between Series; Piping Connection - Fujitsu Airstage J-II Series Design & Technical Manual

4. ABOUT CONNECTION BETWEEN SERIES

4-1. PIPING CONNECTION

Note: · Piping 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 prohibited.
„ EXAMPLE1 (OK)
z
Refrigerant system 1
Refrigerant system 2
Refrigerant system 3
„ EXAMPLE2 (Prohibited)
z
Refrigerant system 1
VR-II
Outdoor unit
Separation
Refrigerant
tube
pipe
V-II Outdoor
unit
Separation
Refrigerant
tube
pipe
Separation
Refrigerant
tube
pipe
VR-II
Outdoor unit
Separation
Refrigerant
tube
pipe
RB unit
RB unit
J-II Outdoor
unit
V-II Outdoor unit
- (09-11) -
J-II
Outdoor
unit