Danfoss VLT Series Design Manual page 84

5. How to Install
5.1.2. Mechanical mounting
1.
2.
The frequency converter allows side-by-side installation. Because of the need for coolingallow for
a minimum of 100 mm free air passage above and below the frequency converter.
The back wall must always be solid.
5
5.1.3. Safety Requirements of Mechanical Installation
The frequency converter is cooled by means of air circulation.
To protect the unit from overheating, it must be ensured that the ambient temperature
exceed the maximum temperature stated for the frequency converter
age temperature
paragraph
If the ambient temperature is in the range of 45 °C - 55 ° C, derating of the frequency converter
will become relevant, see
The service life of the frequency converter is reduced if derating for ambient temperature is not
taken into account.
5.1.4. Field Mounting
For field mounting the IP 21/IP 4X top/TYPE 1 kits or IP 54/55 units (planned) are recommended.
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Drill holes in accordance with the measurements given.
You must provide screws suitable for the surface on which you want to mount the fre-
quency converter. Retighten all four screws.
Pay attention to the requirements that apply to integration and field mounting kit.
Observe the information in the list to avoid serious damage or injury, especially when
installing large units.
is not exceeded
. Locate the maximum temperature and 24-hour average in the
Derating for Ambient Temperature
Derating for Ambient Temperature
MG.11.B2.02 - VLT
and that the 24-hour aver-
.
.
®
is a registered Danfoss trademark
®
VLT HVAC Drive Design Guide
does not