Fujitsu Airstage J-II Series - Page 580

2-3. PIPE SIZE
Outdoor
unit
First separation tube (optional)
separation tube (optional)
Pipe size
(table"A")
Pipe size
(table"B")
Pipe size
(table"C")

PIPE SIZE SELECTION

●
Caution
After referring to "COOLING CAPACITY TABLE" followed, select each Pipe size, Separation
tube and Header from "COOLING CAPACITY TABLE" of outdoor unit and Indoor unit
connected in the system.
z
Pipe size table "A"
(Between outdoor unit and the rst separation tube (header))
Ton
Model
code
Outdoor
unit cooling
capacity (Btu/h)
Outside diameter
:
in. (mm)
Between outdoor unit and the
farthest indoor unit < 295 ft. (90m)
Between outdoor unit and the
farthest indoor unit ≥ 295 ft. (90m)
Liquid pipe Gas pipe Liquid pipe Gas pipe
3 36 36,000 3/8" (9.52) 5/8" (15.88) 3/8" (9.52) 3/4" (19.05)
4 48 48,000 3/8" (9.52) 5/8" (15.88) 3/8" (9.52) 3/4" (19.05)
5 60 60,000 3/8" (9.52) 3/4" (19.05) 3/8" (9.52) 3/4" (19.05)
header (optional)
- (06 - 16) -
SYSTEM DESIGN SYSTEM DESIGN