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13. OUTDOOR INSTALLATION
13-4. Weather countermeasure
In cold and/or snowy areas, sufficient countermeasures to wind and snow damages should be taken for operating unit in normal
and good condition in winter time. Surround the units with snow nets or fences to protect them from snow. Even in the other areas,
full consideration is required for installation of unit in order to prevent abnormal operations caused by wind or snow. When rain
and snow directly fall on unit in the case of air-conditioning operations in 10 or less degrees centigrade outdoor air
(50 or less degrees fahrenheit outdoor air) , mount inlet and outlet ducts on unit for assuring stable operations.
It is recommended to install a duct to fully make use of the advantages of the panel heater.
Countermeasure to snow and wind
Prevention the Outdoor unit from wind and snow damages in cold or snowy areas, snow hood shown below is recommended
and helpful.
*Do not use a snow hood made of stainless steel, which may cause the unit to rust. If the use of a stainless snow hood is the
only option, contact the sales office before installing it.
*When installing a snow hood, take pressure loss into consideration to prevent airflow from decreasing.
• Snow hood
C
C
B
<Side view>
13-5. Countermeasure to wind
Referring to the figure shown below, take appropriate measures which will suit the actual situation of the place for installation.
A unit installed alone is vulnerable to strong winds. Select the installation site carefully to minimize the effect of winds.
To install a unit in a place where the wind always blows from the same direction, install the unit so that the outlet faces away
from the direction of the wind.
A
A
Wind
Install the outdoor unit where seasonal
winds do not blow directly against the
unit, such as behind a building.
MEES23K040
C
A
C
C
B
B
D
A
C
B
D
<Front view>
Install the outdoor unit to avoid having
seasonal winds against the front of air
outlet/inlet on the unit.
Y-Series
A
Outlet
B
Inlet
C
Snow hood
D
Raised base
A
197
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