Fujitsu AIRSTAGE J-II Design & Technical Manual page 480

(4) Connecting pipe field supplied from outdoor unit, cut the pipe end to connect the pipe and
close the opposite end.
Cut 25mm
Liquid pipe
(5) Use header support as necessary.
Ceiling
Pedestal
(Procure locally)
Restriction when install
z „
Be sure following restriction.
1) Installation angle
Install the header so that it branches horizontally.
Gas pipe
Horizontal
Liquid pipe
Horizontal
OK
Use a level to make sure that the header is positioned as shown in following figure, and then,
secure it in place.
Gas pipe
Outdoor
A
unit side
Brazing
point
Liquid pipe
Outdoor
B
unit side
Brazing
point
Field piping
Pipe cutter
Gas pipe
Hanging metal
(Field supplied)
Not good
Horizontal
line
View from A
H 1 1
Vertical
line
Horizontal
line
2
H 2
View from B
- (06 - 38) -
Ceiling
Liquid pipe
Not good
1 H1=0mm to 10mm
Horizontal
(α1 : 0° to 1°)
line
β1 : -10° to +10°
H2=0mm to 10mm
(α2 : 0° to 1°)
β2 : -10° to +10°
2
Hanging metal
(Field supplied)