Fujitsu AIRSTAGE J-II Design & Technical Manual page 810

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Installing drain pump unit
z
Hose band
Joint hose
Thread the hose band through the joint hose,
and insert it until it touches the drain pump
unit and indoor unit.
Ceiling
Level meter
Good
Installing hose
z
Vertical
Downward
Bend radius is
60mm or more
Use the tapping screw to install
the drain pump unit to the indoor unit.
Bad
Horizontal
Downward gradient
of 1/50 to 1/100
Part : Hose
- (10 - 58) -
When there is no screw hole
Puncture holes at the following position and
then install.
Hole Diameter : 3.3
1 5± 3
Level meter
Air
Good
Example of wrong construction
Upward
Bad
Bad
Vertical loop
Bad
.
Bad
Trap
Bad

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