Danfoss VLT HVAC Drive FC 100 Series Design Manual page 78

5. How to Install
5
Illustration 5.1: With heavier drives, use a lift. First wall-mount the 2 lower bolts - then lift the drive onto the lower bolts - finally fasten the drive against
the wall with the 2 top bolts.
5.1.4. Safety Requirements of Mechanical Installation
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.
The frequency converter is cooled by means of air circulation.
To protect the unit from overheating, it must be ensured that the ambient temperature
frequency converter and that the 24-hour average temperature
Derating for Ambient Temperature
If the ambient temperature is in the range of 45 °C - 55 ° C, derating of the frequency converter will become relevant, see
Temperature
.
The service life of the frequency converter is reduced if derating for ambient temperature is not taken into account.
5.1.5. Field Mounting
For field mounting the IP 21/IP 4X top/TYPE 1 kits or IP 54/55 units are recommended.
78
is not exceeded
.
MG.11.B7.02 - VLT
does not exceed the maximum temperature stated for the
. Locate the maximum temperature and 24-hour average in the paragraph
® is a registered Danfoss trademark
®
VLT HVAC Drive Design Guide
Derating for Ambient