page 22 of 49
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.: 999100 / 06/05/2008
Manual determination of the set point p (e. g. boiling point)
➨
Setting the value for the speed by using key Mode
▲
or
▼
(factory-set: ”HI” = maximum motor speed).
☞
To activate set mode: Press key shortly. The current preset
speed is displayed for one second.
☞
With a second tip within one second or continuous pressing:
☞
Set speed. The new set point is stored when the key is re-
leased.
To start process control:
➨
Start: Press key START and immediately key p
▼
. Keep key
p
▼
pressed. Pumping down starts with preselected speed.
☞
Supervise process permanently. When sufficient evapora-
tion appears, release key p
▼
.
☞
The actual pressure is stored as new set point.
☞
Vacuum control starts.
☞
If the
automatic mode
is activated additionally (key MODE)
the set point is adjusted automatically in case of change of
boiling point.
Setting of set point p (e. g. boiling point)
➨
Setting the set point by using the keys p
▲
or p
▼
(factory
set 100 mbar):
☞
To activate set mode: Press key shortly. “Set p“ appears.
☞
Short tips toggle p in steps of 1 mbar
☞
Continuous pressing activates ramp: Set-point changes with
increasing speed.
Adjusting the process pressure by pumping down:
➨
Press key p
▼
.
☞
When the key is pressed shortly, the current pressure is
displayed for one second.
☞
With a second tip within one second or continuous pressing:
Pumping down with preset speed, the actual pressure is dis-
played and stored as new set point p when the key is re-
leased.
☞
The achieved pressure is stored as new set point and ad-
justed automatically.
Adjusting the process pressure upwards
➨
Press key p
▲
.
☞
When the key is pressed shortly, the current pressure is
displayed for one second.
☞
With a second tip within one second or continuous pressing:
The venting valve is opened if connected or pressure in-
crease due to system parameters, the current pressure is
displayed.
☞
The achieved pressure is stored as new set point when the
key is released and adjusted automatically (only in auto-
matic mode).
p
267
mbar
67
mbar
p
520
mbar
p
Adjusting of set point p during vacuum control
45.0
START
STOP
p