VACUUBRAND CVC 2II - Manual (Page 20)

page 20 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
Basic setup Management or Management Plus
Starting and stopping the process control, venting the system and the operation modes two-point control
and continuous pumping are described in section ”basic setup Standard”.
If the cooling water valve is preselected, the cooling water valve opens immediately after starting the
process control (the cooling water valve 24 V= at the controller is operated parallel (synchronous) to the
cooling water valve at the VMS Module A), the according symbol is displayed.
Basic setup Management:
The vacuum pump is switched off when the process control is stopped.
Attention: If working in basic setup Management without an isolation valve, air might enter the apparatus
through the pump when it is switched off, especially if the gas ballast valve is open.
Basic setup Management Plus:
The vacuum pump continuous to run for approx. 5 min. when process control is stopped to remove remaining
condensate if necessary, symbol pump is flashing.
Only basic setup Management:
☞ If the pump is switched frequently the warning triangle is
flashing.
☞ Check system parameters, especially the selected value
for
Δp.
Example basic setup Management Plus: PC 510 connected to a rotary evaporator
coolant
coolant ○ ○ ○ ○
electrical circuit
vacuum connection