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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.: 99 90 20 / 01/12/2004
➨
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
∆
p as
preprogrammed on the controller. Hysteresis
∆
p 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
∆
p is adapted automatically only in case of great
set point changes. Hysteresis
∆
p 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
∆
p is adapted automatically only in case of great
set point changes. Hysteresis
∆
p can be manually changed
at any time.
Changing the set point p during process control
p
520
mbar
p
67
mbar
MODE
START
STOP
