Installation Of Indoor Unit - Mitsubishi Heavy Industries SRK25GZ-L1 Handbook

5.5.1 Installation of indoor unit

(a) Caution for installation
1) The system should be applied to places as households, residences and the like.
2) The equipment shall be installed in accordance with national wiring regulations.
3) The connection to the fixed wiring of the mains supply must be made via a double pole isolating switch with a contact
gap of at least 3mm in each pole.
4) When the outdoor unit has a possibility of being overturned or being displaced and fall from its original installation
position, the outdoor unit should be fixed in its position by the use of anchor bolts or wires.
(b) Installation of indoor unit
1) Fixing of installation Board
¡ Find the inside wall structures (pillar, etc.) and secure
the board after checking the horizontal level.
Level surface
matching mark
Installation space (Indoor Unit)
Models SKM222, 252 type
Service space
50
75
150
92
2) Drilling of holes and fixture of sleeve (Option ports)
¡The connecting wires may touch the metal inside the wall and cause danger so it is necessary to always use the sleeve.
Indoor side
ø65
¡ Drill a hole with a 65 whole
core drill.
450
Indoor unit
Installation 100
Service
board
space
615 60
450 150
40
Gas pipe 370
Liquid pipe 420
Position for the
Position for the
hole in the wall ø65
hole in the wall ø65
Sleeve
Outdoor side
5°
¡ When the pipe is connected at the rear, cut off the lower and the right
side portions of the sleeve collar (as shown by the broken line.)
¡ Horizontal level adjustment of the board is conducted
with four temporarily tightened screws.
Reference hole
¡Adjust so that the board will be horizontal with the
reference hole in the center.
Models SKM282, 322,402 type
50 Service
space
15
170
67
(Connection hole outside diameter ø16)
Position for the hole in the wall ø65
Sleeve
Wall thickness × 1.5cm
Putty
SCM-HG (2 room)
Unit: mm
[Front View]
Indoor unit
Installation board
Service 100
space
760 15
450 170
51
Gas pipe 390
Liquid pipe 440
Drain hose 600
Position for the hole in the wall ø65
Inclined plate
Sealing plate
Assembled state
Pipe
203