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Control is running
Warning notice (if necessary in combination with other sym-
bols), flashing
Coolant valve switched on
Venting valve switched on
PC symbol: controller is in remote operation
Time meter is running (in function ”VACUULAN”); remaining
time in minutes is displayed
00:00:00
Vacuum control to a preset vacuum value (here:
100 mbar/Torr/hPa)
(with NT pump / with NT VARIO pump)
Pump down (continuous pumping)
Process runtime (only if process control is running)
5
In-line valve switched on
Level sensor activated; catchpots need to be emptied.
Peltronic emission condenser connected
Pump symbol is displayed when pump is running. With an
NT VARIO pump, the pump’s motor speed is also displayed
in % of full speed.
50%
100
100
Actual pressure is in the range ”Set hys-
teresis” (with NT pump) / Actual pressure = ”Set
vacuum” (with NT VARIO pump)
Flashing: The actual pressure is greater than the preset max-
imum value (“
Maximum
“)
Minimum value (“
Minimum
“) reached
