Mechanical Installation - Danfoss VLT AutomationDrive FC 300 Operating Instructions Manual

3 How to Install

3.2 Mechanical Installation

3.2.1 Mechanical mounting
All IP20 Frame Sizes as well as IP21/ IP55 Frame Sizes except A1*, A2 and A3 allow side-by-side installationOpen Chassis, Nema 12, and Nema 4 drives
can be mounted side-by-side..
3
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.
Table 3.2: * 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 3.3: 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 frame sizes
Frame
A1* A2 A3 A5
size:
a
100 100 100 100
(mm):
b
100 100 100 100
(mm):
MG.33.AC.02 - VLT is a registered Danfoss trademark
®
VLT AutomationDrive FC 300 Operating
B1 B2 B3 B4 C1
200 200 200 200 200
200 200 200 200 200
Instructions
C2 C3 C4
225 200 225
225 200 225