Danfoss FC 300 Design Manual page 120

6 Mechanical Installation - Frame Size A, B and
C
6.1.2 Mechanical Mounting
All Frame Sizes allow side-by-side installation except when a
Design Guide).
If the IP 21 Enclosure kit is used on frame size A1, A2 or A3, 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: * AutomationDrive 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.
6.1.3 Field Mounting
For field mounting the IP 21/IP 4X top/TYPE 1 kits or IP 54/55 units are recommended.
120
IP21/IP4X/ TYPE 1 Enclosure Kit
Air passage for different frame sizes
Frame
A1* A2 A3 A5
size:
a
100 100 100 100
(mm):
b
100 100 100 100
(mm):
MG.33.BC.02 - VLT ® is a registered Danfoss trademark
Options and Accessories
is used (see the
B1 B2 B3 B4 C1
100 200 100 200 200
100 200 100 200 200
FC 300 Design Guide
section of the
C2 C3 C4
225 200 225
225 200 225