Fujitsu AIRSTAGE J-IIIL Design & Technical Manual page 875

• Installing
Hose band (Big)
Good
• Installing hose
Downward
7-1. Drain pump unit for duct type
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.
Joint hose
Tread the hose band through the joint hose and
secure the drain pump unit and indoor unit.
Ceiling
Level meter
Bad
Vertical
Bend radius is 2-3/8 in (60 mm) or more
Horizontal
Downward gradient of 1/50 to 1/100
Part: Hose
- (10-23) -
Hose band (Small)
Level meter
Good
Example of wrong construction
Upward
Vertical loop
Bad
Trap
7. Optional parts installation