Electrical Connection; Connecting The Microcontrol Unit; Checking The Nominal Voltage - Duerkopp Adler 743-121 Installation Instructions Manual

3. Elektrical Connection
3.1 Connecting the Microcontrol

3.2 Checking the Nominal Voltage

CAUTION !
All work on the sewing unit's electrical components must only be
conducted by electricians or appropriately trained persons.
The mains plug must be dis-connected.
–
Place the control unit on the mounting plate
(snap-on mounting).
–
Connect the cables:
Caution!
Carefully insert the plugs into the control unit back plate.
In as far as possible match the designations on the cables to those
on the back plate.
Also observe the differing equipment of the plugs with pins and
slots as well as their number and arrangement.
–
Screw the plugs tight.
The nominal voltage given on the identification plate and the mains
voltage must match !
For conversion to a different mains voltage the appropriate parts kit
must be installed.
The parts kit consists of:
Belt pulley, V-belt, Protection switch.
Nominal Voltage:
3 ~ 380 - 400 V + N , 50 Hz
3 ~ 220 - 230 V , 50 Hz
3 ~ 220 - 230 V , 60 Hz
The wiring must be altered for conversion to other mains voltages. The
wiring is shown in the circuit diagram.
Appropriate to the mains voltage the bridges in the motor terminal box
are to be switched " Star " or " Delta " !
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Order No.:
743 000524
743 000574
743 000644
5