2. Mechanical Installation
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2.4 Installation Method and Procedures
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Installation Method
The drive units enclosed in a sheet-metal housing (45 kW and above) have weights of 35 kg or
more. These units have eye bolts that allow a mechanical hoist to support the weight of the unit
during installation. To prevent personal injury or damage to the equipment, you must t and use
these eye bolts to support the drive during installation.
Mounting Method Applicable Housing Remark
Backplate
mounting
Plastic housing
Sheet metal housing
The AC drive is mounted directly on the backplate of
the cabinet . It is secured using four screws or bolts at
the corners of the backplate.
Through hole
mounting
Plastic housing
Sheet metal housing
It requires a cut-out in the backplate. The housing
must be secured in place by using the through-hole
mounting bracket and then be lifted into the cut-out.
2.4.1 Backplate Mounting
It is very important that you identify correct mounting hole locations and diameters
of the drive you are installing. And check that you have identied correct dimensions
before you start to drill the mounting holes.
The backplate mounting process is as follows:
1. Select a suitable location. See recommendations in
2
.
1
I
n
s
t
a
l
l
a
t
i
o
n
E
n
v
i
r
o
n
m
e
n
t
.
Check that there are no items of equipment, cables or pipes behind mounting
surface that might be damaged when you drill mounting holes.
2. Measure and mark the drilling centers for the four mounting holes according to the
dimensions shown in
T
a
b
l
e
2
-
1
for your model of the drive.
3. Carefully drill the four mounting holes at the correct diameter as shown in
T
a
b
l
e
2
-
1
for your
model of the drive.
4. If necessary, lift the drive to the installation location. Hold it in correct position until there are
xings in place to secure it safely.
5. Add locking washers and at washers to the securing bolts or screws, insert them through
the four mounting holes in the housing, and tighten them to secure the housing to the
backplate.