Danfoss FC 101 Design Manual page 52

How to Install
The dimensions are only for the physical units, but when
installing in an application it is necessary to add space for
free air passage both above and below the units. The
amount of space for free air passage is listed in Table 5.2:
Enclosure
Frame
H1
H2
H3
H4
5 5
H5
H6
H7
H8
H9
H10
I2
I3
I4
I6
I7
I8
Table 5.2 Clearance Needed for Free Air Passage
50
Clearance [mm]
IP class Above unit
20 100
20 100
20 100
20 100
20 100
20 200
20 200
20 225
20 100
20 200
54 100
54 100
54 100
54 200
54 200
54 225
®
VLT HVAC Basic Drive FC 101 Design Guide
Below unit
100
100
100
100
100
200
200
225
100
200
100
100
100
200
200
225
MG18C502 - Rev. 2013-09-06