Operations manual AQUASTOP
®
II
22
7.4 Flow tolerance value :
Starting from the normal surveillance mode, press
and maintain the „DOWN“-key (7), then press
additionally the „M“-key (3). On the upper line of the
display, „tol“ is shown and the flow tolerance value
shown on the lower display line can now be altered
with the „UP/DOWN“ keys (2/7).
This tolerance value determines the flow difference
from the programmed limit value (see 7.2), at which
the acoustical pre-alarm sounds.
The new limit value is automatically accepted after
20 sec. (back to surveillance mode).
Pressing the „M“-key (3) again switches over to the
next menu parameter :
7.5 Calibration of the flow meter :
If AQUASTOP® II is delivered together with a flow
meter, the unit is already adjusted with that sensor
