Fujitsu AIRSTAGE J-III L AJ 072LELAH Series Design & Technical Manual page 1100

z Installing drain pump unit
„
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
z Installing hose
„
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 - 65) -
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
(Unit : mm)
Bad
.
Bad
Trap
Bad