Samsung 018 Series User & Installation Manual page 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.
300 mm (12") or less
Flexible hose
❋ Flexible hose Installation
❋
Horizontally level
Indoor
Unit
Flexible hose
• Install horizontally
Connect to indoor unit
(Apply adhesive on the outside)
• Do not allow adhesive to block inside of flexible hose
40
Air vent
100 mm(4")
or more
100~550 mm
(4"~22") or less
Indoor
Unit
• Max. allowable axis gap
Insulation
Insulation
flexible hose
1~1.5 m(3' 3"~4' 11")
Hanger
Horizontal drain pipe, 1/100
slope or greater
Ceiling
Max. 20 mm(3/4")
Connect to PVC drain pipe
PVC drain pipe
(Apply adhesive on the inside)
Indoor
Unit
• Max. allowable bending angle
Max.
30°