VACUUBRAND MV 2 VARIO - Manual (Page 21)

page 21 of 41
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.: 999035 / 15/12/2009
The process control is not active, i. e. the controller is ready for
vacuum control, but control operation has not been started.
☞ The basic setup as from last operation is reactivated (after
first switching on “TURBO•MODE” (factory-set) is displayed).
☞ The actual pressure is displayed.
☞ Values as from last operation are reactivated.
☞ Press key START/STOP to start process control.
Basic setup pressure control
After switching on
Short venting:
➨ Press key VENT shortly (< 2 sec.).
☞ Pumping is interrupted, the process control is stopped.
Venting the system:
➨ Press key VENT continuously (> 2 sec.) until symbol air
admittance valve is displayed.
☞ Pumping is interrupted, the process control is stopped.
☞ Ventilation until pressure does not change any more, i. e.
until atmospheric pressure is attained.
☞ Key STOP interrupts venting at any time.
VENT
START
STOP
Starting and stopping the process control
➨ Starting process control: Press key START/STOP.
➨ Stopping process control: Press key START/STOP.
Attention: If pressurized
inert gas is used install
an overpressure relief
valve. Ensure that high
pressure is compatible
with the mechanical
stability of the system!
Venting
(only possible if an external air admittance valve is connected and configurated)
Setting of the set point p
➨ Setting the set point by using the keys p▲ or p▼ (factory
set 100 mbar):
☞ To activate set mode: Press key shortly. “Set p“ appears.
☞ Short tips toggle p in steps of 1 mbar
☞ Continuous pressing activates ramp: Set-point changes with
increasing speed.
p 267
mbar