Mechanical Installation
40
VFDB-SVX001A-EN
Install Main Cooling Fans
Main cooling fans are shipped in separate crates. The fans
are shipped assembled in the fan housing, but must be
installed after siting the drive.
1. Place the fan housing on the top plate of the drive,
making sure that the socket is on the same side as the
aviation plug.
2. Secure the fan housing using M6 hardware (six
places).
3. Connect the aviation plug on top of the cabinet with the
socket on the fan housing.
Install the cooling fan for A-frame drives
(6.6 kV)
To install the cooling fan for A-frame 6...6.6 kV drives,
follow these instructions.
1. Place the fan housing on the top plate of the drive and
slide the fan housing back. Verify that the back flange
of the fan housing slides under the top plate fan bracket
assembly.
2. Secure the fan housing using M6 hardware across the
front of the fan assembly.
3. Connect fan wiring to fan terminals located behind the
cover on the front of the fan housing.
Figure 34.
Routing of load cables (top exit shown)
Current
Transformer
Route Cables
through
Access Hole
Figure 35.
Main cooling fan housing, B-frame and A-
frame (2.4...4.16 kV)
Main Cooling Fan housing
Aviation plug
Socket
Rear View