Fig. 49: Menu FO3 and FO4 relays
F03 – Function FO3 can be configured for inhibitor dosing or
dosing in general.
Operating mode As Operating mode for inhibitor dosing contin‐
uous and percent of bleed are selectable.
For information on the fields Tank low level detection, Pump flow
rate, Tank volume, Enable compute see FO1 and FO2 relays.
Fig. 50: Menu relay settings
Assignment If Dosing is selected as function, the relay has
to be assigned to measurement.
Mode Dosing mode offers the options ON/OFF and
PWM (pulse width modulation).
Control direction Control direction can be up for increasing the
measured value or down for decreasing the
value.
FO3 andFO4 relays
General Menu
46
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