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

4.

ABOUT CONNECTION BETWEEN SERIES

4-1.

PIPING CONNECTION

NOTE: Piping connection of VR-II, V-III, V-II, J-II and J-IIS in the same refrigerant
system 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 - 12) -
J-II
Outdoor
unit