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51
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10-
3
. Outdoor Unit
10-
3
-1. Installation Location
• A location which provides enough space
s
around
the
outdoor unit as shown in the diagram
above.
• A location which can bear the weight of the outdoor
unit and does not allow an increase in noise level
and vibration.
• A location where the operation noise and discharged
air do not disturb
your
neighbors.
• A location which is not exposed to a strong wind
s
• A location free of combustible gases
leaks.
• A location which does not block a passage.
• A location where drain water does not cause any
problems.
• Depending on snow level, use a field fabricated ice
or snow stand.
• When the outdoor unit is to be installed in an elevated
position, be sure to secure its feet
as described in the
CAUTION
1. Install the outdoor unit
in a location where there
are no obstructions near its air intake or air outlet.
2. When the outdoor unit
s
is installed in a place
that is always exposed to strong winds like on
the coast or on a high story of a building, use
a field fabricated wind baffle. To minimize the
effect of strong winds, specially in windy areas,
Strong
wind
FILE NO. SVM-13074
•
Do not use the supplied drain nipple for draining
water. Drain the water from all drain holes directly.
•
To protect the outdoor unit from snow accumulation,
install a holding frame, and attach a snow protection
hood and plate.
•
Do not use a double-stacked design.
Snow protection plate
Snow protection hood
Snow accumulation line
Holding frame
At least
19-11/16 in. (500 mm)
Install the unit at least
19-11/16 in. (500 mm)
above the snow
accumulation line.
Anchor
bolts
Front
Fig. 10-
3
-1
Do not apply excess torque. Otherwise, the nut
may crack depending on the conditions.
Half union
Flare nut
Externally
threaded side
Internally
threaded side
Use a wrench to secure.
Use a torque wrench to tighten.
CAUTION
10-
3
-2. Refrigerant Piping Connection
Flaring
1. Make sure you have enough pipe to reach indoor unit.
90
°
Obliquity
Roughness
Warp
Warp
2. Cut the pipe with a pipe cutter.
3. Insert a flare nut into the pipe and flare the pipe.
Tightening connection
Align the centers of the connecting pipes and tighten
the flare nut as far as possible with your fingers.
Then tighten the nut with a two wrenches as show
below.
Fig. 10-
3
-3
Fig. 10-
3
-4
Precautions about lnstallation is Regions
Fig. 10-
3
-
2
section above.
with Snowfall and Cold Temperatures
install the unit as shown below.
