Use And Operation; Installing A Pump In A Vacuum System - vacuubrand ME 4C NT VARIO Instructions For Use Manual

Use and operation

When switching on the controller CVC 3000 for the very first time, a menu
to select the language of the controller menu is displayed. Select the de-
sired language (e.g., "English") by turning the selection knob and press
to confirm. Then select the pressure unit ("mbar", "Torr" or "hPa") in the
same way.
It is possible to access the language selection menu at any time
by switching on the controller while keeping the selection knob
pressed.

Installing a pump in a vacuum system

➨ If dangerous or polluting fluids could be released at the
+ Connect a gas-tight exhaust line at the pump outlet if
+ Never block the gas outlet. The exhaust line must al-
+ Maximum permissible pressure: 21.8 psi (1.5 bar) ab-
+ Attention: At pressures above approximately 795 Torr
+ Particles and dust must not be aspirated. If necessary,
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outlet, install an appropriate system to catch and dis-
pose of those fluids.
necessary. Always vent exhaust gases appropriately
(e.g., into a fume hood).
ways be free of obstructions (no back pressure) to en-
sure an unimpeded discharge of gas. The cross-sec-
tion of the outlet tubing must be at least the size of the
pump's exhaust connection.
solute.
(1060 mbar) the pressure reading becomes incorrect
due to saturation of the pressure transducer. The dis-
play will flash. Release pressure immediately! Risk of
bursting!
you must install appropriate filters. You must ensure
their suitability concerning gas flow, chemical resis-
tance and resistance to clogging prior to use.