Fujitsu AIRSTAGE J-III L AJ 072LELAH Series Design & Technical Manual page 1103

z Installing drain pump unit
„
Hose band
(Big)
Ceiling
Level meter
Good
z Installing hose
„
Vertical
Downward
Bend radius is
60mm or more
Joint hose
Thread the hose band through the joint hose and
secure to the drain pump unit and indoor unit.
Bad
Horizontal
Downward gradient
of 1/50 to 1/100
Part : Hose
- (10 - 68) -
Note:
Loosen the nut on the indoor unit and hook the
tip of the bracket.
Tighten the nut securely.
Make sure that the drain pump unit is not slanted.
Hose band
(Small)
Level meter
Good
Example of wrong construction
Upward
Bad
Bad
Vertical loop
Bad
.
Bad
Trap
Bad