Cassette Type Air Conditioner Unit
24
Fig.4.29
(5).
The incline of attached drain hose should be 75 mm or less so that the drain outlet
does not have to withstand additional force.
≤7
5m
m
(3
in
ch
)
≤1
00
0m
m
(3
9-
3/
8in
ch
)
Drain hose(attachment)
Fig. 4.30
4.5.4 Testing of Drain Piping
After piping work is finished, check if drainage flows smoothly.
Shown in the Fig. 4.31, Add approximately 1liter of water slowly into the drain pan
and check drainage flow during COOL running.
Drain hose
Test hole cover
Test hole
<Immiting water from the rest hole>
Plastic water pot [The length of
the pipe should be about
100mm(3-7/8inch)].
<Immiting water from the outlet vent terminal>
Above 100mm(3-7/8inch)
Drain vent for repair use (plastic stopper
is included) (drain the water in waterspoit
by this outlet vent)
Fig. 4.31
