KNF LAB LABOPORT SH820G Manual Del Usuario página 114

Operation
38
Adjust flow rate
You can vary the speed of the vacuum system with the rotary/
push knob. This allows you to set the flow rate (see Fig. 9).
à
The speed setting of the rotary/push knob is retained
when the vacuum system is switched off.
Fig.9: Set flow rate
Switch off vacuum system/take out of operation
à
When transferring aggressive media, flush the vacuum
system before switching off to extend the service life of
the diaphragm (see Chapter 9 Servicing [} 40]).
à
Stop the pumping operation of the vacuum system by
pressing the rotary/push knob (see Chapter Switching the
pump on/off).
à
Switch off the vacuum system with the power switch (see
6/Fig. 2).
à
Establish normal atmospheric pressure in the lines (re-
lieve pump pneumatically).
à
Pull mains plug of vacuum system out of socket.
Transport of vacuum system
Translation of Originial Operating Instruction, KNF 325562-325564 06/21
Vacuum system SH820G / SR820G SH840G / SR840G