VACUUBRAND MV 2 VARIO - Manual (Page 23)

page 23 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
Basic setup continuous pumping
START
STOP
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.
After switching on
Starting and stopping the process control
➨ Starting process control: Press key START/STOP.
➨ Stopping process control: Press key START/STOP.
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
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 the pumping speed
45.0
Setting of speed:
Setting the value for the speed by using key
▲ or ▼:
☞ To activate set mode: Press key shortly. The current speed
is displayed for one second.
☞ With a second tip within one second or continuous pressing:
☞ Set speed. The new set point is stored when the key is re-
leased.
☞ The speed setting ”HI” (above 60 Hz) enables pumping
down as fast as possible to the best ultimate vacuum.