Buchi Vacuum Pump V-710 Manual do Utilizador descarregar pdf (Página 25)

4 Description of function

25 V-700/710 Operation Manual, Version E

The LEDs indicate the operating state of the system:

c LED ON/OFF

• Permanent light: The system is ready to operate

• LED ﬂashes: The system is in Continuous mode

d LED PROCESS STATUS

• Permanent light: The system has reached the possible end vacuum

• LED ﬂashes: The system searches the constant end vacuum

4.5 ECO

Mode

The ECO

Mode only becomes active when the Vacuum Pump V-700/710 is operated as stand-alone

system, i.e. without a vacuum controller.

The ECO² Mode works as follows:

• During the ﬁrst hour of operation the pump operates at a speed of 100%.

• After one hour of operation without interruption the pump automatically reduces its speed to 80%

and operates at this speed for another hour. The end vacuum of 10 mbar (V-700) or 2 mbar

(V-710) is not affected by this action, only the evacuation speed is reduced.

• After a total time of two hours of constant operation the pump reduces its speed again to 50% of

its total capacity. The end vacuum of 10 mbar (V-700) or 2 mbar (V-710) is again not affected by

this action, only the evacuation speed is reduced.

• If the pump is switched off and on again, it starts at its full speed and will change to the ECO²

Mode after one hour of constant operation (see above).

NOTE

The new ECO² Mode only reduces the suction power. The end vacuum is not affected.

4.6 Vacuum connections to the valve unit or Woulff bottle

a Connection to vacuum pump

b Connection to an additional instrument

c Connection to vacuum controller

d Connection to Rotavapor

Fig. 4.13: Connections at the valve unit or Woulff bottle

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Buchi Vacuum Pump V-710 Manual do Utilizador Página 25