Fujitsu AIRSTAGE J-III L AJ 072LELAH Series Design & Technical Manual page 751

„ MINI DUCT TYPE
„
GOOD
Locally arranged pipe
Max. 300 mm
Horizontal or
upward gradient
VP30 or more [O.D 38 mm or more]
Downward gradient 1/100 or more
700 mm or less
● Use general hard polyvinyl chloride pipe (VP25) [outside diameter 32 mm].
● Do not perform a rise, trap and air bleeding.
● Provide a downward gradient (1/100 or more).
● Provide supporters when long pipes are installed.
● Use an insulation material as needed, to prevent the pipes from freezing.
● Install the pipes in a way that allows for the removal of the control box.
Gap of 1.5 to 2 m
Supporter
VP25 [O.D
32 mm or more]
700 mm or less
- (06 - 60) -
PROHIBITED
Air bleeding Rise
Trap