Installation Of Indoor Unit - Mitsubishi Heavy Industries SRK20ZD-S1 Technical Manual

(2) Installation of indoor unit

(a) Installation of installation board
(i) Fixing of installation board
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
Adjustment of the installation board in the horizon-
tal direction is to be conducted with four screws in a
temporary tightened state.
Standard hole
Adjust so that board will be level by turning the
board with the standard hole as the center.
(b) 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.
(i) Drill a hole with ø65
whole core drill
Indoor side
Note (1) Drill a hole with incline of 5 degree from
indoor side to outdoor side.
(iii) Install the sleeve
(Inserting sleeve)
610
450
Outdoor side
(*Sleeve + *Inclined + *Sealing plate)
Indoor side
INSTALLATION SPACE (INDOOR UNIT)
Fixing on concrete wall
Use of nut anchor
Bolt
(M6 × 12)
Mounting
board
(ii) Adjusting sleeve length
View of sleeve when installed
Turn to
tighten
Sleeve
Paste
Outdoor side
Indoor side
239
- -
(FRONT VIEW)
Use of bolt anchor
Nut
(M6)
Mounting
board
Max. 10
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.
Inclined
flange
Sealing
plate
Outdoor side
Unit: mm
Wall thickness
+ 1.5 cm