Fujitsu AIRSTAGE J-IIIL, Design & Technical Manual

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Central drain process
When conveying multiple drain pipes, install according to the procedure shown below.
•
For Compact cassette type, and Circular flow cassette type, and Cassette type
4 i
n
. (
1
0
0 m
m
) o
r m
o
re
A
T-joint converging drain pipes
VP30 (O.D. 1-1/2 [38 mm]) or more
Downward gradient 1/100 to 1/50
A
Compact cassette type 28 in (700 mm) or less
Circular flow cassette type
type
Cassette type
34 in (850 mm) or less
• For High static pressure duct type
4 i
n
(
1
0
0 m
m) o
r m
o
re
• For Mini duct type and Slim duct type
2
8 i
n
(
7
0
0 m
m
)
o
r l
e
s
s
Select converging drain pipes whose diameter is suitable for the operating capacity of the unit.
5-2. Indoor unit
- (06-75) -
5. Drain connection
SYSTEM DESIGN SYSTEM DESIGN