Fujitsu AIRSTAGE J-II Design & Technical Manual page 506

SLIM DUCT / SLIM CONCEALED FLOOR TYPE
„ „
Ceiling concealed setting
z „
Drain cap
Arrange the drain hose
lower than this position

Trap
Locally arranged pipe
Max.
300 mm
Horizontal or
upward gradient
Floor standing concealed setting
z „
Drain cap
● Install the drain pipe with downward gradient (1/50 to1/100) and so there are no rises or traps in the pipe.
● Use general hard polyvinyl chloride pipe (VP25) [outside diameter 32 mm] and connect it with adhesive (polyvinyl
chloride) so that there is no leakage.
● When the pipe is long. Install supporters.
● Do not perform air bleeding.
● Always heat insulate the indoor side of the drain pipe.
Drain hose
Prohibited

Rise
Gap of 1.5-2 m
Supporter
VP25
[O.D 32 mm
or more]
700 mm or less
Prohibited
Trap
- (06 - 64) -
Supporter
1.5m to 2.0m

Air bleeding
Prohibited
Air bleeding
Rise
Trap
Rise