Electrical installation
Important notes
l
84
EDS84ASC552 EN 6.0
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Stop!
Overvoltage on components:
On IT systems, an earth fault in the installation can lead to impermissible
overvoltages.
Possible consequences:
Destruction of the device.
Protective measures:
Before operating the controllers on IT systems, remove the contact screws on
the supply side and on the motor side.
)
Note!
Switching on the controller motor side is permissible for safety shutdown
(emergency stop) and for operation of several motor on the controller (only in
V/f operating mode!).
Please observe the following:
ƒ
When switching with the controller enabled, you can activate monitoring
functions of the controller. If no monitoring function is activated, switching
is permissible.
ƒ
The switching elements on the motor side must be dimensioned in
accordance with the maximum occurring load.
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