KNF SC 920 G Mode D'emploi page 70

Operating vacuum pump system
26 Translation of original Operating Instructions, English, KNF 334631-334633 07/21
Starting and stopping the process
Pressing the START button starts a process.
Pressing the STOP button stops a process.
Open and close the ventilation valve
Personal injury caused by poisoning or explosion
and damage to the vacuum pump system
 Ensure that the creation of reactive, explosive or
otherwise hazardous mixtures during the supply
WARNING
of air is prevented.
Pressing the ON button for ventilation valve (left button below)
opens the ventilation valve.
If the ON button is pressed for more than 3 seconds, the
ventilation valve remains open.
If the ventilation valve is permanently open (OFF button shown in
display), it can be closed again with the OFF button.
Opening and closing coolant valve (accessory)
Pressing the ON button for coolant valve (right button below)
opens the coolant valve on the high-performance condenser.
Pressing the OFF button for the coolant valve closes the coolant
valve on the high-performance condenser.
Entering value in Evacuate operating mode
Use the rotary/push knob to set pump capacity.
Entering value in Pressure control operating mode
Use rotary/push knob to set desired pressure.
Entering value in Automatic operating mode
Not necessary to enter value.
If a boiling point is detected in Automatic mode, after the system
regulates to this pressure, the pressure is reduced automatically to
speed up evaporation of the solvent (see Fig. 12).
Vacuum Pump System SC 920G