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3WAY̲ECO-i̲inst̲eng̲Book.indb 19
2-3. 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. 2-6) 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.
2-4. Precautions for Installation in Heavy Snow Areas
a)
The platform should be higher than the max. snow depth.
(Fig. 2-5)
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. 2-6
21
SUPPLEMENT
2011/02/16 14:55:44
3WAY̲ECO-i̲inst̲eng̲Book.indb 20
2-5. Dimensions of Wind Ducting
Reference diagram for air-discharge chamber (field supply)
Ceiling panel
Air direction: Front direction
844
(Ceiling panel dimensions)
890
895
(Maximum bracket dimensions)
(216)
Front view
Note: Can be installed so that the air direction is to the front, right, left or rear direction.
3-unit installation
(2-unit installation: maximum dimensions)
(Installation hole pitch)
1106
1106
(Ceiling panel dimensions)
890
890
(216)
(Ceiling panel
24
24
dimensions)
Right side view
Right side view
(3-unit installation: maximum dimensions)
Top view
(Installation hole pitch)
(Installation hole pitch)
Front view
22
2011/02/16 14:55:44
Unit: mm
Ceiling panel
Air direction: Right direction
Front view
Unit: mm
(Ceiling panel dimensions)

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