VACUUBRAND MZ 2C VARIO - Manual (Page 21)

page 21 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
Setting the mode
Starting the program:
➨ Press key MODE while switching on the controller.
☞ The mode “vacuum control” (factory-set) is displayed on the
LCD by flashing symbols.
To change the mode:
➨ Press key ▲ or ▼ until the symbol of the desired mode is
flashing.
Only in mode vacuum control:
☞ “Set“, “Auto“ and ”yes” or ”no” are displayed.
➨ Switching between ”yes” or ”no” is possible by pressing key
▲ or ▼.
➨ To preselect the automatic mode confirm ”yes” by pressing
key START/STOP.
➨ If you do not wish to preselect the automatic mode confirm
”no” by pressing key START/STOP.
vacuum control continuous pumping VACUU•LAN
☞ The symbol of the venting valve is displayed and ”yes” or
”no”.
➨ Switching between ”yes” or ”no” is possible by pressing key
▲ or ▼.
➨ Confirm the selection ”yes” or ”no” by pressing key START/
STOP.
After selecting the mode:
☞ The symbol of the coolant valve is displayed and ”yes” or
”no”.
➨ Switching between ”yes” or ”no” is possible by pressing key
▲ or ▼.
➨ Confirm the selection ”yes” or ”no” by pressing key START/
STOP.
MODE
+
(mains switch)
➨ Press key START/STOP to confirm the selected mode.
VACUU•LAN:
➨ The mode for decentralized vacuum network systems (for
vacuum in laboratories, vacuum lines for weekend, night or
trainee operations). Continuous vacuum without continuous
pumping.
➨ The cooling water is switched off if no more pumping is re-
quired, switched on again if gas or vapour occur.
➨ Vacuum supply according to the requirements for lock cham-
bers or pumping systems not compressing against atmos-
pheric pressure, e. g. wide range turbomolecular pumps or
cryo pumps.
➨ Additional extension of the lifetime of diaphragms and valves.