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5.2 Installation of indoor unit
(1) Installation of installation board
(a) Fixing of installation board
(2) Drilling of holes and fixture sleeve (Option Parts)
When drilling the wall that contains a metal lath, wire lath or metal plate, be sure to use pipe hole sleeve sold separately.
(a) Drill a hole with ø65
whole core drill
(b) Adjusting sleeve length
Fixing on concrete wall
Use of nut anchor Use of bolt anchor
Bolt
(M6 × 12)
Mounting
board
Nut
(M6)
Mounting
board
Max. 10
(c) Install the sleeve
(Inserting sleeve) (*Sleeve + *Inclined + *Sealing plate)
Note (1) Drill a hole with incline of 5 degree from
indoor side to outdoor side.
Indoor side Outdoor side
Cut off the sleeve
collar in case of
drawing piping out
to rear.
Cut off the sleeve
collar that can be
seen from beneath
the unit.
Wall thickness
+ 1.5 cm
Indoor side Outdoor side
Turn to
tighten
Paste
View of sleeve when installed
Inclined
flange
Sealing
plate
Sleeve
Indoor side Outdoor side
Look for the inside wall structures (Intersediate support or
pillar and firaly install the unit after level surface has been
checked.)
Mating mark for level surface
450
Adjustment of the installation board in the horizontal
direction is to be conducted with four screws in a
temporary tightened state.
Adjust so that board will be level by turning the board
with the standard hole as the center.
Standard hole
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