Flange Mounting - WEG CFW-11 Serie Guia De Instalacion

Flange mounting:

The losses specified in table A.1
Watts - Flange mounting" will be dissipated inside the cabinet. The
remaining losses will be dissipated through the back side.
The inverter securing supports and the hoisting eyes must be
removed and repositioned, in sizes E, F and G. See
The part of the inverter that is located outside the cabinet is rated
IP54, for frame sizes A to E. For frame sizes F and G it is rated IP20.
Provide an adequate gasket for the cabinet opening to ensure that
the enclosure rating is maintained. Example: silicone gasket.
Mounting surface opening dimensions and positions/diameters of
the mounting holes, as shown in
1 2
4 5
Figure 3: Repositioning of the mounting supports for sizes A to E.
In sizes F and G the mounting supports must be removed
Figure 4: Hoisting Eyes installation – Sizes E, F and G
Access to the Control and Power Terminals
In order to get access to the control and power terminals, it is
necessary to remove the HMI and the front cover, in sizes A to C.
See figure 5.
1
Figure 5: Removal of the HMI and the front cover
and A.2 "Dissipated power in
figures 3 and 4.
figure 1.
3
6
2 3
1
Figure 6: Removal of the HMI and the control rack cover in sizes
D, E, F and G to access control terminals
In order to get access to the power terminals, it is necessary to
remove the bottom front cover, as showed in
1
Figure 7: Removal of the bottom front cover, to access to the
power terminals in sizes D to G
Where IP20 or Nema1 protection degree is unnecessary the bottom
cable passage plate can be removed - sizes D and E.
1
Figure 8: Removal of the cable passage plate
In sizes F and G always remove the bottom plate for connecting power
cables (line and motor), as showed in the
In this case the protection degree of the inverter bottom part will
be reduced.
Figure 9: Removal of the cable passage plate on sizes F and G
Installation Guide
2 3
figure 7, in sizes D to G.
2
2 3
figure 9.
CFW-11 | 9