Mitsubishi Heavy Industries SRK25GZ-L1 Handbook page 34

SRK-GZ
1.5.2 Installation of indoor unit
(1) Installation of installation board
(a) Fixing of installation board
Lock for the inside wall structures (Intermediate support or
pillar) and fairly install the unit after level surface has been
checked.
Tapping Screws
Fixing on concrete wall
Use of nut anchor
Bolt
(M6 × 12)
Mounting
board
(2) Drilling of holes and fixture sleeve (Option parts)
(a) Drill a hole with ø65
whole core drill
Indoor side
Note (1) Drill a hall with incline of 5 degree from
indoor side to outdoor side.
(c) Install the sleeve
(Inserting sleeve)
32
Use of bolt anchor
Nut
(M6)
Mounting
board
Max. 10
Outdoor side
(*Sleeve + *Inclined + *Sealing plate)
Paste
Indoor side
Adjustment of the installation
board in the horizontal 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 stan-
dard hole as the center.
(b) Adjusting sleeve length
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.
View of sleeve when installed
Turn to
tighten
Sleeve
Outdoor side
Indoor side
Wall thickness
+ 1.5 cm
Inclined
flange
Sealing
plate
Outdoor side