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2-4. Installing the Outdoor Unit in Heavy Snow Areas
In locations where wind-blown snow can be a problem, snow-
proof vents should be fitted to the unit and direct exposure to
the wind should be avoided as much as possible. (Fig. 2-13)
The following problems may occur if proper countermeasures
are not taken:
● The fan in the outdoor unit may stop running, causing the
unit to be damaged.
● There may be no air flow.
● The tubing may freeze and burst.
● The condenser pressure may drop because of strong wind,
and the indoor unit may freeze.
2-5. Precautions for Installation in Heavy Snow Areas
a)
The platform should be higher than the max. snow depth.
(Fig. 2-12)
b)
The 2 anchoring feet of the outdoor unit should be used for
the platform, and the platform should be installed beneath
the air intake side of the outdoor unit.
c)
The platform foundation must be solid and the unit must be
secured with anchor bolts.
d)
When installing on a roof subject to strong wind,
countermeasures must be taken to prevent the unit from
being overturned.
Fig. 2-13
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