Installation manual
15 English
Indoor Unit Installation
Connecting the drain hose to the VP pipe, and hanging the indoor unit on the mount-
ing plate
Use commercial rigid polyvinyl chloride pipe (general VP 20 pipe, outer diameter 26mm, inner diameter 20mm) for the 1)
drain pipe.
The drain hose (outer diameter 18mm at connecting end, 220mm long) is supplied with the indoor unit. Prepare the 2)
drain pipe picture below position.
The drain pipe should be inclined downward so that water will fl ow smoothly without any accumulation. (Should not be 3)
trap.)
Insert the drain hose to this depth so it won’t be pulled out of the drain pipe.4)
Insulate the indoor drain pipe with 10mm or more of insulation material to prevent condensation.5)
Pour some water into the drain pan to check the water fl ows smoothly.6)
220
190
155
120
Must be no trap.
Do not touch water.
Drain hose
C
Reducer
Vinyl chloride
drain pipe
(VP-20)
Vinyl chloride
drain pipe
(VP-30)
50mm
or more
(unit: mm)
Insert drain hose
to this depth so
it won’t be pulled
out of drain pipe.
CAUTION
Use polyvinyl chloride adhesive agent for gluing. Failure to do so may cause water leakage.•
Hang the unit on the mounting plate, and fi x the indoor unit on the wall with screws in 2 locations. (fi eld supply: 7)
M4 × 25L)
CAUTION
Be sure to fi x the indoor unit to the wall fi rmly with screws. Failure to fi x the indoor unit with screws may result in it falling off •
the wall.
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