Mounting Considerations - WEG CFW-11 User Manual

Installation and Connection
Note that derating specified in items above applies also to dynamic braking IGBT (column effective braking
current (I
Pollution degree: 2 (according to EN50178 and UL508C) with non-conductive pollution. Condensation
shall not originate conduction through the accumulated residues.

3.1.2 Mounting Considerations

Consult the inverter weight at the
Mount the inverter in the upright position on a flat and vertical surface.
External dimensions and fixing holes position according to the
CONDUIT KIT on page 8-15
(with optional item Nema1), refer to
First mark the mounting points and drill the mouting holes. Then, position the inverter and firmly tighten the
screws in all four corners to secure the inverter.
3
Minimum mounting clearances requirements for proper cooling air circulation are specified in
page 3-4 and
Inverters of frame sizes A, B and C can be arranged side-by-side with no clearance required between them. In
this case, the top cover must be removed as shown in
Do not install heat sensitive components right above the inverter.
ATTENTION!
When arranging two or more inverters vertically, respect the minimum clearance A + B
on page
does not affect the top inverter.
ATTENTION!
Provide conduit for physical separation of the signal, control, and power conductors (refer to
3.2 ELECTRICAL INSTALLATION on page
3-2 | CFW-11
) of Table 3.4 on page
effective
Table 8.1 on page
for further details. For external sizes of frame sizes A, B and C with conduit kit
Section 8.7 CONDUIT KIT IP21 on page
Figure 3.3 on page 3-4.
3-4) and provide an air deflecting plate so that the heat rising up from the bottom inverter
3-22).
8-2.
Figure 3.1 on page
Figure 3.3 on page
3-9).
3-3. Refer to Section 8.6
8-16.
Figure 3.2 on
3-4.
(Figure 3.2
Section