40
Drainpipe and drain hose installation
Drainpipe connection
1. The drain pipe should be installed within 100mm (4”) from the flexible hose, turn upward 100mm (4”) to 550 mm
(22”),then turn downward 20 mm (3/4”) or more.
2. Install horizontal drainpipe with a slope of 1/100 or greater and support with hangers spaced 1~1.5 m (3’ 3”~4’ 11”)
apart.
3. Install an air vent in the horizontal drainpipe to prevent water flow back to the indoor unit.
•
You may not need to install it if there is proper slope in the horizontal drain pipe.
NOTE
4. The flexible hose should not be installed in an upward position, it may cause water flow back to the indoor unit.
5. Install U trap at the end of the drain pipe to prevent gasses from entering the indoor unit.
Flexible hose
Air vent
300 mm (12”) or less
Horizontal drain pipe, 1/100
slope or greater
100~550 mm
(4”~22”) or less
1~1.5 m(3’ 3”~4’ 11”)
100 mm(4”)
or more
Ceiling
Hanger
❋
❋
Flexible hose Installation
Horizontally level
Indoor
Unit
Flexible hose
Max. 20 mm(3/4”)
Indoor
Unit
Max.
30°
Indoor
Unit
•
Install horizontally
•
Max. allowable axis gap
•
Max. allowable bending angle
Connect to PVC drain pipe
Connect to indoor unit
Insulation
PVC drain pipe
(Apply adhesive on the inside)
Insulation
flexible hose
(Apply adhesive on the outside)
•
Do not allow adhesive to block inside of flexible hose
Summary of Contents for 018 Series
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