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5.3. Install the drain pipe
(1) Be sure to use supplied Drain hose
①
and Hose band
②
.
②
Hose band (accessories)
Drain
hole
①
Drain hose (accessories)
Hard PVC side
Hose band
3/16 in (4 mm) or less
13/16 in (20 mm)
②
Hose band
①
Drain hose
Fasten the Hose band
②
at the position where
horizontal against earth (ground).
The Hose band
②
must be positioned at the right
side of the Drain hose
①
as in the figure.
(2) Be sure to connect Drain pipe with adhesive (polyvinyl chloride) so that there is no
leakage.
Applying
area of
adhesive
Joint pipe
(locally purchased)
Drain pipe [3/4 in (19 mm)
O.D. 1-1/16 in (27 mm)] (locally purchased)
3/16 in (4 mm) or less
CAUTION
Do not connect to the Drain hole with adhesive. Using adhesive may cause damage
and water leaks.
(3) After installing the Drain hose
①
, check if the drainage is smooth.
CAUTION
To prevent excessive force on Drain hose 1, avoid bends or twists. (To bend or twist
may cause water leaks.)
(4) After checking for drainage, attach the Drain hose insulation B
③
to insulate, follow-
ing the instructions as in the figures.
•
To avoid space with Drain hose
①
and Hose band
②
, press firmly the Drain hose insula-
tion B
③
.
③
Drain hose insulation B
(accessories)
Ensure there is
no space.
•
STEP1 - STEP3
Butt the insulation
against the unit.
STEP 1
Unit
Slit
Press firmly
Press firmly
STEP 2
Slit
Press firmly
Roll the in-
sulation over
the joint.
Press firmly
STEP 3
Press firmly
Slit
•
FINISH
•
Check that there is no gap between the unit and the drain hose insulation.
When drain pump is used.
When drain pump is not used. (natural
drainage)
Do not cover the
panel window.
Do not cover the
control box cover.
NOTE: Check for drainage
Pour about 1 liter of water from the position
shown in the diagram or from the airflow outlet to
the dew tray. Check for any abnormalities such
as strange noises and whether the drain pump
functions normally.
CAUTION
Make sure the drain water is properly drained.
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