Samsung ACH1800E Technical Manual page 39

3
INSTALLATION
Drain Hose Installation
CAUTION
Do not install air bleeding tubes, as this may
cause water to spray from the drain tube outlet.
Do not give the hose and upward gradient after the
connection port.
This will cause water to flow backwards when the unit
is stopped, resulting in water leaks.
G
Testing the drainage
You should test the drainage after completing the installation. Prepare a little water about 2.0 liter.
Œ
Remove two screws on the cover drain pump and pull out the cover.
´
Pour water into the indoor unit as shown in figure.
If you do not pour water inside the water supply intake,
Note
water may spill from the indoor unit.
ˇ
Confirm that the water flows out through the drain hose.
You can check the drainage only when the air conditioner is
Note
turned on.
¨
Reassemble the cover drain pump and the screws.
38 | SAMSUNG
(Cont.)
Check that the indoor unit is level with the ceiling by using the leveler.
Air bleeder
Ceiling
Upward gradient
Ceiling
If it is necessary to increase the height of the drain
hose somewhat, the portion directly after 30cm. If it is
raised higher than 50cm, there can be water leaks.
300mm or less
Band joint
Flexible hose
Ceiling
✳✳18/✳✳24
A
750 mm
B 200 mm
C 550 mm
Do not apply force to the piping on the unit side when
connecting the drain hose. The hose should not be
allowed to hang loose from its connection to the unit.
Fasten the hose to a wall, frame or other support as
close to the unit as possible.
Support pieces
1~1.5m
1/100 or more
1~1.5m
✳✳36/✳✳44
750 mm
258 mm
482 mm
Ceiling
Œ
Cover drain pump
´