-
19
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'16 • SCM-T-199
2. OUTDOOR UNIT INSTALLATION
NOTE
Do not step on a top and the service cover of the unit.
1. Haulage
• Always carry or move the unit with two or more persons.
• The right hand side of the unit as viewed from the front (outlet
side) is heavier.
A person carrying the right hand side must take care of this
fact. A person carrying the left hand side must hold the han-
dle provided on the front panel of the unit with his right hand
and the corner column section of the unit with his left hand.
CAUTION
When a unit is hauled, take care of its gravity center position which is shifted towards right hand side.
If the unit is not hauled properly, it can go off balance and fall resulting in serious injury.
2. Selecting the installation location
Select the suitable installation location where:
• Unit will be stable, horizontal and free of any vibration transmission.
• There is no obstacle which can prevent smooth air circulation from inlet and outlet side of the unit.
• There is enough space for service and maintenance of unit.
• Neighbours are not bothered by noise or air generating from the unit.
• Outlet air of the unit does not blow directly to animals or plants.
• Drain water can be discharged properly.
• There is no risk of flammable gas leakage.
• There are no other heat sources nearby.
• Unit is not directly exposed to rain or sunlight.
• Unit is not directly exposed to oil mist and steam.
• Chemical substances like ammonia (organic fertilizer), calcium chloride (snow melting agent) and acid
(sulfurous acid etc.), which can harm the unit, will not generate or accumulate.
• Unit is not directly exposed to corrosive gases (like sulphide gas, chloride gas), sea breeze or salty at-
mosphere.
• No TV set or radio receiver is placed within 1m.
• Unit is not affected by electromagnetic waves and/or high-harmonic waves generated by other equip-
ments.
• Strong wind does not blow against the unit outlet.
• Heavy snowfalls do not occur (If installed, provide proper protection to avoid snow accumulation).
NOTE
If the unit is installed in the area where there is a possibility of strong wind or snow accumulation, the fol-
lowing measures are required.
(1) Location of strong wind
• Place the unit with its outlet side facing the wall. • Place the unit such that the direction of air from
the outlet gets perpendicular to the wind direc-
tion.
Over 500mm
Wind
direction
Wind
direction
(2) Location of snow accumulation
• Install the unit on the base so that the bottom is
higher than snow cover surface.
• Install the unit under eaves or provide the roof
on site.
3. Installation space
• There must be 1 meter or larger space between the unit and the wall in at least 1 of the 4 sides.
Walls surrounding the unit from 4 sides is not acceptable. The wall height on the outlet side should
be 1200 mm or less. Refer to the following figure and table for details.
NOTE
When more than one unit are installed side by side, provide a 250mm or wider interval between them
as a service space.
CAUTION
When more than one unit are installed in parallel directions, provide sufficient inlet space so that short-
circuiting may not occur.
4. Drain piping work (If necessary)
Carry out drain piping work by using a drain elbow and a drain grommet supplied separately as acces-
sories if condensed water needs to be drained out.
(1) Install drain elbow and drain grommet.
(2) Seal around the drain elbow and drain grommet with putty or adequate caulking material.
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Do not put a grommet on this hole.
This is a supplementary drain hole to discharge drain water, when a large amount of it is gathered.
CAUTION
Do not use drain elbow and drain grommet if there is a possibility to have several consecutive days of
sub zero temperature. (There is a risk of drain water freezing inside and blocking the drain.)
5. Installation
• Install the unit on a flat level base.
• While installing the unit, keep space and fix the unit’s legs with 4 anchor bolts as shown in the figure
below. The protrusion of an anchor bolt from the foundation surface must be kept within 15mm.
200 mm over
If drain piping work was carried
out keep the clearance more
than 100mm.
510 mm
313 mm
15 mm
Anchor bolt (M10-12) ×4 pcs
CAUTION
• Install the unit properly so that it does not fall over during earthquake, strong wind, etc.
• Make sure that unit is installed on a flat level base. Installing unit on uneven base may result in unit
malfunction.
3. PREPARATION FOR WORK
1. Removing service cover
Remove the screw. Slide service cover downwards and remove it.
2. Removing terminal cover
Remove the screw and take out terminal cover.
Heavy
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Installation space (mm)
Model SCM40/45
Model SCM50/60
L1
280 or more
600 or more
L2
100 or more
100 or more
L3
80 or more
100 or more
L4
250 or more
No obstacles
(Service space or
electrical parts)
Inlet
(
Service
space
)
Inlet
Outlet
L3
L4
L1
L2
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Screw
Service cover
Screw
Service cover
Screw
Terminal cover
Screw
Terminal cover
