VACUUBRAND VNC 2 - Manual (Page 28)

Documents are only to be used and distributed completely and unchanged. It is strictly the users´ responsibility to check carefully
the validity of this document with respect to his product. Manual-no.: 999161 / 27/03/2012
page 28 of 45
Displays in basic mode ”Vacuum control”
Pressure > upper value of hysteresis:
Pressure within preset limits:
After exceeding of upper pressure value:
After expiry of process time:
Key ”ENTER” pressed:
Key ”ENTER” and key t pressed:
Key ”ENTER” and key s pressed:
Key t pressed for less than 2s:
Key t pressed for longer than 2s:
Key t pressed for longer than 2s and key
”ENTER” pressed additionally:
Key s pressed for less than 2s:
Key s pressed for more than 2s:
Displays in basic mode ”Continuous pumping”
Operating with valve:
Operating with NT VARIO pump:
Key ”ENTER” pressed:
Key ”ENTER” and key t pressed:
Displays in basic mode ”VACUU•LAN”
Process running, pressure above lower
pressure value
Time delay, pressure below lower pressure value:
Key ”ENTER” pressed:
After process, pressure check:
Key ”ENTER” pressed after process:
VCL 8cyl:
After restart or switching off:
In remote mode: P is displayed in the second line.
Pump down
-> p <-
Stopped
Timeout
Pause (valve closed, speed 0 Hz)
p Set (actual pressure value is stored as
preset value)
∆p (actual pressure is stored as upper pressure
value)
xxxxmbar (preset pressure is displayed)
Adapt p
(Pump / valve starts, preset pressure is
adjusted)
Pumpdown
(switching to mode ”Continuous pumping”)
xxxxmbar (pumping down interrupted, pause)
Adapt p (preset pressure is adjusted)
Status messages displayed during operation of a program
The messages are always displayed in the second line, the first line always displays the pressure
value.
Pumpdown
xxx %
Pause
(valve closed, frequency 0 Hz)
p Set (actual pressure value is stored as preset
value, switching to vacuum control)
Process
xxx min
xxx % (only with NT VARIO pumps during process)
Monitor
xxx/min
(increase of pressure)
xxx min
(start-up delay)