NORD Drivesystems BU0200 - Manual (Page 39)

SK 200E Manual for frequency inverters
38 Subject to technical alterations BU 0200 GB-4411
2.6 Electrical Connection
WARNING THE DEVICES MUST BE EARTHED.
Safe operation of the devices requires that is installed and commissioned by qualified personnel
in compliance with the instructions provided in this Manual.
In particular, the general and regional installation and safety regulations for work on high voltage
systems (e.g. VDE) must be complied with as must the regulations concerning correct use of tools
and the use of personal protection equipment.
Dangerous voltages can be present at the motor connection terminals even when the inverter is
switched off. Always use insulated screwdrivers on these terminal fields.
Ensure that the input voltage source is not live before setting up or changing connections to the
unit.
Make sure that the inverter and motor are specified for the correct supply voltage.
NOTE: As with other signal cables, thermistor cables must be laid separately from the motor cables.
In order to access the electrical connections, the SK 2xxE must be removed from the SK TI4 connection
unit. Proceed as follows:
1. Switch off the mains supply and if necessary check and observe the waiting period.
2. Loosen the 4 Allen screws (4mm).
3. Carefully lift the FI vertically off the connection unit. Appropriate handles or a handle recess are
provided in size 4 (see illustration on next page).
4. The electrical connections and the option slots are now freely accessible.
Top: Size 4
Left: Size 1 ... 3