KNF LABOPORT N820.18 Originalbetriebsanleitung Seite 104

Operation
40
à
Switch the pump on with the power switch.
à
Switch on the pump by pushing the rotary/push knob (see
Fig. 6).
Set flow rate
Fig.7: Set flow rate
You can vary the speed of the pump with the rotary/push
knob. This allows you to set the flow rate (see Setting the flow
rate).
à
The speed setting of the rotary/push knob is retained
when the pump is switched off.
Switching off/decommissioning the pump
à
When transferring aggressive media, flush the pump be-
fore switching off to extend the service life of the di-
aphragm (see Chapter 10 Servicing [} 42]).
à
Switch the pump with the rotary/push knob (see chapter
Switching the pump on/off).
à
Switch the pump off with the power switch.
à
Establish normal atmospheric pressure in the lines (re-
lieve pump pneumatically).
à
Pull out power plug of the pump.
Status display (see Fig. 2/6)
à
Illuminates green if the pump was switched on via the
power switch.
Translation of Original Operating Instruction, KNF 317428-317425 02/23
Chemically-resistant Laboratory pump N820.18 / N840.18