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VLT
®
Series 3500
General
The specific installation instructions may vary depending
upon the model of VLT Series 3500 being installed. When
this occurs, the model will be identified by a “VLT Type
3XXX” number. This number can be found on the red
nameplate on the outside of the left side of the drive
enclosure, or the outside of the right side of a drive with
an auxiliary enclosure.
The drive must always be attached firmly to the wall or
the floor before further installation work is carried out, so
as to ensure that no injury or damage occurs.
VLT Series 3500 is cooled by means of air circulation.
Consequently, the air needs to be able to move freely
above and below the drive.
VLT Type 3502-3562
This series must be installed on a solid surface to ensure
that the air flow is in contact with the heatsink all the way
from the bottom of the drive. Drives with mounting holes
in the side flanges can be installed flange-to-flange.
Drives without side flanges but with mounting holes at top
and bottom can be installed without any free space on
the sides.
VLT Type 3575-3700 and 3542-3562 208/230 V
VLT Type 3575-3700, 380/500 V and VLT Type 3542-
3562, 208/230 V are supplied with a mounting bracket
placed at the back of the drive. The mounting bracket
also serves as an air duct for the heat sinks. The
bracket must be mounted on the drive before drive
operation. The bracket does not need to be removed for
installation purposes. However, it is possible to remove
it temporarily by loosening the bolts from the inside of
the drive.
VLT Series 3500 can be installed with the flanges side by side.
If the bracket is removed for installation, it must be
reinstalled to prevent overheating. The key slots in the
mounting bracket make it possible to fasten the
attachment bolts to the wall or in the panel before
hanging the unit.
VLT Type 3575-3600, 380/500 V and VLT Type 3542-
3562, 208/230 V are intended for wall mount only.
VLT Type 3625-3700 is supplied for wall mount as
standard, but can be mounted on an optional mounting
base.
VLT 3750-3800 is intended for floor mount only, using the
mounting base supplied.
Drawing shows drive seen from above.
Base for VLT
Type 3625-3800
As an option, a base for floor installation can be supplied
for VLT Type 3625-3700. VLT 3750-3800 is intended for
floor installation only. The base must be fastened to the
floor by means of four bolts before installing the drive.
Unscrew the front plate of the base to fasten the drive
through the four top holes in the base. Also refer to the
section on cooling for further information.
Mounting base
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