VACUUBRAND MV 2 VARIO - Manual (Page 22)

page 22 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
Manual determination of the set point p
➨ Setting the value for the speed by using key ▲ or ▼ (fac-
tory-set: ”HI”).
☞ 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.
To start process control:
➨ Start: Press key START and immediately key p▼. Keep key
p
▼ pressed. Pumping down starts with preselected speed.
☞ Supervise process permanently. When sufficient evapora-
tion appears, release key p
▼.
☞ The actual pressure is stored as new set point.
☞ Pressure control starts.
Adjusting the process pressure by pumping down:
➨ Press key p▼.
☞ When the key is pressed shortly, the current pressure is
displayed for one second.
☞ With a second tip within one second or continuous pressing:
Pumping down with preset speed, the actual pressure is dis-
played and stored as new set point p when the key is re-
leased.
☞ The achieved pressure is stored as new set point and ad-
justed automatically.
67
mbar
p 520
mbar
p
Adjusting of set point p during pressure control
45.0
START
STOP
p
Adjusting the process pressure upwards
➨ Press key p▲.
☞ When the key is pressed shortly, the current pressure is
displayed for one second.
☞ With a second tip within one second or continuous pressing:
The air admittance valve is opened if connected or pressure
increase due to system parameters, the current pressure is
displayed.
☞ The achieved pressure is stored as new set point when the
key is released.
MODE
Temporary switching to setting continuous pumping
☞ Switching if process control is inactive:
➨ Keep key MODE pressed while pressing key ▲.