VACUUBRAND CVC 3000 E - Manual (Page 40)

page 40 of 75
Application example
(time will be reset to 00:00:00) after a power failure or after switch-
ing the controller off/on. Only if the end of the program (clock symbol
flashing) has been confirmed by pressing START/STOP, the program will
not start again.
Attention: If the controller is set to ”Defaults”: ”On”, all stored pro-
grams will be deleted.
Vacuum pump with in-line valve and/or Vacuum-Management-Sys-
tem Module A: Pumping down with intermediate venting
Program step 1 should be always a definite initial state, here atmospheric
pressure (ATM). To reach this state definitely, set a tickmark at ”Vent.”
and ”Step” by pressing the selection knob.
In step 2, pumping down begins, reaching 10 Torr/mbar within 5 minutes
(linear ramp), as ”Step” is not set.
Step 3: Vacuum holds there for 15 minutes.
Step 4: Vents to 500 Torr/mbar within 1 minute.
Step 5: Holds 500 Torr/mbar for 9 minutes.
Step 6: Pumping down, reaching 5 Torr/mbar within 10 minutes (linear
ramp), as ”Step” is not set.
Step 7: Vacuum holds there for 20 minutes.
Step 8 vents to atmospheric pressure as fast as possible and switches off
the control after one minute.
Program
No hh:mm:ss Vac Vent. Step
01 00:00:00 ATM ✔ ✔
02 00:05:00 10
03 00:15:00 10
04 00:01:00 500 ✔
05 00:09:00 500 ✔
06 00:10:00 5
07 00:20:00 5
08 00:01:00 ATM ✔ ✔
09 00:00:00
10 00:00:00
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