Vacuum pump system SCC 950
Operating the vacuum pump system
Translation of original Operating Instructions, English, KNF 304771-304773 07/18
31
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
WARNING
Personal injury caused by poisoning or explosion
and damage to the vacuum system
Make sure that no reactive or explosive mixtures
will be produced when ventilating the vacuum
system through the air inlet.
Press and hold the ON button for the ventilation valve (bottom left
button) to open 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)
The coolant valve of the SCC 950 vacuum pump system can be
activated via both hand terminals (for switching behavior, refer to
Tab. 5).
Press the
ON
button for the coolant valve (bottom right button) to
open the ventilation valve on the high-performance condenser.
Press the
OFF
button for the coolant valve to close the coolant
valve on the high-performance condenser.
Coolant valve can be activated by
Switching
behavior of the
coolant valve
Hand terminal 1
Hand terminal 2
OFF
OFF
OFF
ON
OFF
ON
ON
ON
ON
OFF
ON
ON
Tab. 5: Switching behavior of the coolant valve
Entering values in Evacuate operating mode
Use the rotary knob to set pump capacity.
Entering values in Pressure Control operating mode
Use rotary knob to set desired pressure.
Entering values 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. 14, page 32).
