English
13
•
Be sure to use the included drain hose (4) and metal clamp (5).
In addition, insert the drain hose (4) all the way onto the drain socket, and tighten the metal clamp (5) in
place at the base of the drain socket. (
Refer to Fig. 6 and 8.
)
(Install the metal clamp (5) so that the tightener falls within about 45°, as shown in the figure.)
•
Bend the tip of the metal clamp (5) so that the sealing material does not swell. (
Refer to Fig. 8.
)
•
Apply the included sealing material (6) to the metal clamp (5) in the direction of the arrow starting at the
base of the drain hose (4) to apply insulation. (
Refer to Fig. 6 and 8.
)
•
Be sure to apply insulation to the drain pipe, which passes through the interior space, and the drain
socket.
•
Do not allow the drain hose (4) to droop inside the BS unit. (
Refer to Fig. 7.
)
(Doing so may cause the drain to become clogged.)
•
Install support brackets at an interval of 1 to 1.5 m so that the pipe does not droop. (
Refer to Fig. 4.
)
Metal clamp (5)
Sealing material (6)
(Accessories)
(Accessories)
Drain hoses (4)
(Accessories)
To prevent condensation,
do not leave any gap.
Fig. 6
No droop
Wrong
Example of problems with
drain piping work
Fig. 7
Metal clamp (5)
(Accessories)
Drain hoses (4)
(Accessories)
Bend with a tool so that the sealing
material does not swell. Avoid putting a
hole in the drain hoses.
About 45° Tightener
About 45°
Sealing material (6)
Direction of application
Drain hoses (4)
(Accessories)
Sealing
material (6)
(Accessories)
Direction of screwdriver
insertion
Fig. 8
Metal clamp (5)
(Accessories)
To keep dust and other foreign matter out of the indoor unit, seal with putty, insulation material (to be
supplied in the field), or other means so that there is no gap in the drain pipe.
100 mm or more
Provide a downward slope of 1/100 or greater
so that air does not collect in the pipe.
Central drain pipe
If water accumulates in the drain pipe, it may
cause the drain to become clogged.
Fig. 9
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