4-4.Weather Countermeasure - Mitsubishi Electric CITY MULTI H Series Manual

4. Outdoor Installation
4-4. Weather countermeasure
• Snow hood
750 [29-17/32]
(760) [29-15/16]
760 [29-15/16] 453 [17-27/32]
<Side view>
Outlet
Inlet
Note:
1. Height of frame base for snow damage prevention (H) shall be twice as high as expected snowfall. Width of frame base
shall not exceed that of the unit. The frame base shall be made of angle steel, etc., and designed so that snow and wind slip
through the structure. (If frame base is too wide, snow will be accumulated on it.)
2. Install unit so that wind will not directly lash against openings of inlet and outlet ducts.
3. Build frame base at customer referring to this figure.
Material : Galvanized steel plate 1.2T [1/16 in T]
Painting : Overall painting with polyester powder
Color : Munsell 5Y8/1 (same as that of unit)
4. When the unit is used in a cold region and the heating operation is continuously performed for a long time when the outside air
temperature is below freezing, install a heater to the unit base or take other appropriate measures to prevent water from
freezing on the base.
Countermeasure to wind
Referring to the figure shown below, take appropriate measures which will suit the actual situation of the place for installation.
Wind
Install the outdoor unit where seasonal
winds do not blow directly against the
unit, such as behind a building.
906 [35-11/16]
(920 [36-1/4])
(See Note 1)
453 [17-27/32] 910 [35-27/32]
<Front view>
SYSTEM DESIGN
Unit : mm[in]
453 [17-27/32]
Install the outdoor unit to avoid having
seasonal winds against the front of air
outlet/inlet on the unit.
DATA U5
4 - 102