VACUUBRAND CVC 2II User Manual

Page 14

page 14 of 36

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.: 997835 / 15/12/2009

➨ Start: Press key START/STOP.

☞ Arrow down and valve and/or pump symbol are flashing: Su-

pervise process permanently.

➨ When sufficient evaporation appears: Press key MODE.

☞ Continuous pumping is stopped. The actual pressure p is

stored as new set point.

☞ Two-point control is activated with set point p and Δp as

preprogrammed on the controller. Hysteresis

Δp can be manu-

ally changed at any time.

Changing the set point p downwards by using key p

▼:

➨ When the key is pressed shortly, the current pressure is

displayed for one second.

☞ Continuous pressing or a second tip within one second: The

isolation valve is opened, pump is switched on, the current
pressure is displayed and stored as new set point when the
key is released.

☞ Hysteresis Δp is adapted automatically only in case of great

set point changes. Hysteresis

Δp can be manually changed

at any time.

Changing the set point p upwards by using key p

▲:

➨ When the key is pressed shortly, the current pressure is

displayed for one second.

☞ Continuous pressing or a second tip within one second: The

air admittance valve is opened, the current pressure is dis-
played and stored as new set point when the key is released.

☞ Hysteresis Δp is adapted automatically only in case of great

set point changes. Hysteresis

Δp can be manually changed

at any time.

Changing the set point p during process control

520

mbar

MODE

START

STOP