VACUUBRAND MZ 2C VARIO - Manual (Page 25)

page 25 of 51
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.: 999034 / 22/04/2008
Manual determination of the set point p (e. g. boiling point)
➨ Setting the value for the speed by using key Mode ▲ 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.
To start process control:
➨ Start: Press key START/STOP and immediately key p▼.
Keep key p ▼ pressed. Pumping down starts with prese-
lected speed.
☞ Supervise process permanently. When sufficient evapora-
tion appears, release key p
▼.
☞ The actual pressure is stored as new set point.
☞ Vacuum control starts.
☞ If the automatic mode is activated additionally (key MODE)
the set point is adjusted automatically in case of change of
boiling point.
Setting of set point p (e. g. boiling point)
➨ Setting the set point by using the keys ps or pt (factory set
25 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.
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.
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 venting valve is opened if connected or pressure in-
crease due to system parameters, the current pressure is
displayed.
☞ The achieved pressure is stored as new set point when the
key is released and adjusted automatically (only in auto-
matic mode).
p 267
mbar
67
mbar
p 520
mbar
p
Adjusting of set point p during vacuum control
45.0
START
STOP
p