Installation
Retrofitting the 8400 motec controller
Preparing a motor for the 8400 motec installation
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EDS84DG752 EN 5.0
5.8 Retrofitting the 8400 motec controller
8400 motec motor inverters for retrofitting existing drives and motors are supplied as set
so that they can be mounted directly without previous dismounting. A set consists of
components which are packaged and marked separately:
ƒ Wiring Unit, marked with -WU
ƒ Communication Unit, marked with -CU
ƒ Drive Unit, marked with -DU
ƒ Accessories (optional), marked with -optx
Before working on an existing drive, make sure that the system is isolated from supply and
protected against restart.
5.8.1 Preparing a motor for the 8400 motec installation
In order to install the 8400 motec, you must first remove the terminal box housing. In case
of a standard motor, proceed as follows:
1. After loosening the screws, remove the terminal box cover.
2. Loosening the screws o f the terminal box housing. Keep the screws for later
fastening of the WU.
3. Remove the terminal box housing and make sure that the seal for the terminal box
flange is kept for further use with the WU.
4. Usually, no measures have to be taken at the motor terminal block to mount the
WU.
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