Danfoss VLT AutomationDrive FC 300 Design Manual page 94

6. How to Install
6.2.1. Mechanical mounting
All IP20 Frame sizes as well as IP21/ IP55 Frame sizes except A1*, A2 and A3 allow side-by-side installation.
If the IP 21 Enclosure kit (130B1122 or 130B1123) is used there must be a clearance between the drives of min. 50 mm.
For optimal cooling conditions allow a free air passage above and below the frequency converter. See table below.
6
Table 6.1: * FC 301 only!
1. Drill holes in accordance with the measurements given.
2. You must provide screws suitable for the surface on which you want to mount the frequency converter. Retighten all four screws.
Table 6.2: Mounting frame sizes A5, B1, B2, B3, B4, C1, C2, C3 and C4 on a non-solid back wall, the drive must be provided with a
back plate A due to insufficient cooling air over the heat sink.
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Air passage for different enclosures
Enclo-
A1* A2 A3 A5
sure:
a
100 100 100 100
(mm):
b
100 100 100 100
(mm):
MG.33.BA.02 - VLT ® is a registered Danfoss trademark
B1 B2 B3 B4 C1
100 100 200 200 200
100 100 200 200 200
FC 300 Design Guide
C2 C3 C4
225 200 225
225 200 225