Danfoss VLT AutomationDrive FC 300 Series - Mechanical Mounting

6.1.2 Mechanical Mounting
All frame sizes allow side-by-side installation except when
a IP21/IP4X/TYPE 1 Enclosure Kit is used (see 9 Options and
Accessories).
Side-by-side mounting
IP20 A and B frames can be arranged side-by-side with no
clearance required between them, but the mounting order
is important. Illustration 6.1 shows how to mount the
frames correctly.
130BD389.10
A2
B3 B3
A2
Illustration 6.1 Correct Side-by-side Mounting
If the IP 21 Enclosure kit is used on frame size A1, A2 or
A3, there must be a clearance between the frequency
converters of min. 50 mm.
For optimal cooling conditions allow a free air passage
above and below the frequency converter. See Table 6.3.
a
b
130BA419.10
Illustration 6.2 Clearance
Frame size
A1*/A2/A3/A4/A5/B1
B2/B3/B4/C1/
C3
C2/C4
a [mm] 100 200 225
b [mm] 100 200 225
Table 6.3 Air Passage for Different Frame Sizes
* FC 301 only
1. Drill holes in accordance with the measurements
given.
2. Provide screws suitable for the surface for
mounting the frequency converter. Retighten all
four screws.
130BA219.10
A
Illustration 6.3 Proper Mounting with Back Plate
Mechanical Installation - F...
VLT
®
AutomationDrive FC 300 Design Guide, 0.25-75 kW
110 MG33BE02 - VLT
®
is a registered Danfoss trademark
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6
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