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Make note of the following when installing the unit in
areas affected by cold weather or snow:
Avoid directly exposing the air outlet or air inlet to
the wind.
The local maximum snowfall should be taken into
consideration when deciding the foundation height
of ODU.
The foundation or base height of the ODU is
required to be the expected maximum snowfall
thickness h0 + 300mm, preventing the snow from
contacting the bottom of the unit.
Snow
h0
A
Table 4.1
Size
A
HP
8-16
1690
18-24
2090
26-32
2630
When a snow shield needs to be installed, to ensure
smooth air intake and supply of the ODU, conduct
site planning and construction as follows:
Installation of ODUs in a row (unit: mm)
≥990
300-4000
Unit: mm
>300
B
Figure 4.1
Unit: mm
B
C
1200
2685
1200
2685
1575
2685
18
Airflow
Installation of ODUs in two rows (unit: mm)
≥990
≥990
300-4000
Airflow
Airflow
Installation of ODUs in three rows (unit: mm)
≥
990
≥
990
≥
990
300-4000
Airflow
Figure 4.2
Airflow
Figure 4.3
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