Electrical connection – VACUUBRAND MZ 2S NT User Manual
Page 45
Electrical connection
Plug in the power cord.
• Check the power source and the pump’s
rating plate to be sure that the power source
and the equipment match in voltage, phase,
and frequency.
Switch the pump on.
O
➨ I
Pump with dual-voltage motor:
• Check the power source and the pump’s
rating plate to be sure that the power source
and the equipment match in voltage, phase,
and frequency.
• Check that the voltage selection switch is
positioned correctly. Check every time be-
fore starting the pump.
Note: If the pump is
switched on with wrong voltage selection,
the motor may be damaged!
Changing the selection at the voltage se-
lection switch:
•
Change the selection at the voltage se-
lection switch only, if the pump is un-
plugged from the power source.
1.
Disconnect the electrical power cord.
2. Use a screw driver to adjust the voltage se-
lection switch to the supply voltage:
”115/120” corresponds to 100-120 V and
”230/240” corresponds to 200-230 V.