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Make note of the following when installing the unit in
areas affected by cold weather or snow:
Avoid direct wind blowing to the air outlet or air inlet
Wind
Building
Outdoor Unit
Air Flow
√ Correct
Wind
Building
Air Flow
Outdoor Unit
× Incorrect
The local maximum snowfall shall be considered
when deciding the foundation height of ODU. The
foundation or base height of ODU is required to
be the expected maximum snowfall thickness h0+
200mm, preventing the snow from exceeding the
bottom of the unit.
Snow shield
for air inlet
Snow shield
for air inlet
Top view
Air Flow
Outdoor Unit
Outdoor Unit
Fig.4.1
h0
Fig.4.2
Snow shield
for air outlet
Snow shield
for air outlet
h0
Fig.4.3
13
In severe cold areas, longitudinal foundation base shall
be used to ensure that drainage is not obstructed. The
height of foundation is recommended to be ≥ 500 mm.
√ Correct
Avoid installation structure to clog the chassis drain
holes, the mounting beam should be parallel to the
unit to prevent the accumulation of ice and snow.
× Incorrect
Snow drift
and icing
affect heat
transfer
× Incorrect
When multiple outdoor units are installed in severe
cold areas, they should be arranged side by side. It
is forbidden to stack two outdoor units up and down
without protection to avoid icing of the outdoor units
below.
Side by side installation
Smooth
drainage
Fig.4.4
Ice
Fig.4.5
Fig.4.6
Fig.4.7
V.1
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