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Installation of indoor unit
Boring a wal l hole and installing wal l embedded pipe
For walls containing metal frame or metal board ,be sure to use a wall embedded
pipe and wall cover in the feed-through hole to prevent water leakage.
Be sure to caulk the gaps around the pipes with caulking material to prevent
water leakage.
1)Bore a feed-through hole of 55mm in the wall so it has a down slope toward the
outside.
2)Insert a wall pipe into the hole.
3)Insert a wall cover into wall pipe .
4)After completing refrigerant piping, wiring, and drain piping, caulk pipe hole gap
with putty.
Drain piping
1)Use commercial regid polyvinyl chloride pipe general VP 20 pipe, outer diameter 26mm, inner diameter 20mm
for the drain pipe.
2)The drain hose (outer diameter 18mm at connecting end, 220mm long)is supplied with the indoor unit. Prepare the
drain pipe picture below position.
3)The drain pipe should be inclined downward so that water will flow smoothly without any accumulation.(Should not
be trap.)
4)Insert the drain hose to this depth so it won't be pulled out of the drain pipe.
5)Insulate the indoor drain pipe with 10mm or more of insulation material to prevent condensation.
6)Remove the air filters and pour some water into the drain pan to check the water flows smoothly.
100
Drain hose
Reducer
150
50mm
or more
Vinyl chloride
drain pipe
22
INSTALLATION INSTRUCTIONS
Inside
Wall embedded pipe
(field supply)
Wall hole cover
Wall embedded pipe
(field supply)
Must be no trap
Do not touch water
Outside
Caulking
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