216
6.5.1 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
Outdoor side
5°
ø65
Indoor side
Wall thickness × 1.5cm
Sleeve
Sleeve Inclined plate
Sealing plate
Putty
Pipe
Assembled state
¡ Drill a hole with a 65 whole
core drill.
¡ Find the inside wall structures (pillar, etc.) and secure
the board after checking the horizontal level.
Unit: mm
¡ 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.)
450
Level surface
matching mark
¡ Horizontal level adjustment of the board is conducted
with four temporarily tightened screws.
¡Adjust so that the board will be horizontal with the
reference hole in the center.
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.
Installation space (Indoor unit)
Models SKM22, 25 models Models SKM28, 32, 40 models
Indoor unit
[Front View]
Installation board
50
Service
space
100
15
Service
space
15
760
450170 170
5
260
9
40 Service space
Service space
15
61187.5
36
67
51
Gas pipe 390
Liquid pipe 440
Drain hose 600
(Connection hole outside diameter ø16)
Position for the hole in the wall ø65
Position for the hole in the wall ø65
50
75 615
450
60
100
40
Gas pipe 370
Liquid pipe 420
92
ø65
ø65
9
40
236.54.5
36
36
15
19
15
46
Service space
Position for the
hole in the wall
Position for the
hole in the wall
Service space
Service space
Service
space
Indoor unit
Installation
board
150
150
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