Mechanical installation
The adjustable frequency drive is cooled by air circu-
lation. For proper cooling, allow a minimum of 4 inches
(100 mm) of open space above and below the unit. To
protect the unit from overheating, ensure that both the
ambient temperature and the 24-hour average tem-
perature are not exceeded. The maximum tempera-
ture and 24-hour average are listed in General
technical data in this manual. If the ambient tempera-
ture is in the range of 113°F - 131°F (45°C - 55°C),
derating of the drive must be carried out. See Derating
for ambient temperature in this manual. The service life
of the unit will be reduced without applicable derating.
The requirements that apply to enclosures
and remote mounting must be complied
with to avoid serious injury or equipment
damage, especially when installing large
units.
Enclosures
In the USA and some other countries, a NEMA 1 ter-
minal cover enclosing terminal connectors is required
if the drive is not installed within another enclosure.
Spacing for mechanical installation
All units require a minimum of 4 in of air from other
components above and below the enclosure.
Side-by-side
All VLT 2800 units can be installed side-by-side and in
any position, as the units do not require ventilation on
the side.
NOTE
With the IP 21 solution all units require a
minimum of 4 in air on each side. This
means that side-by-side mounting is
not
allowed.
VLT
®
2800 Series
10 MG.27.A2.22 - VLT
®
is a registered Danfoss trademark
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