11
8.6 WORK
Pic. 5 Main window view while operating.
The fan operates constantly – see Pic. 6. Fuel
feeder is engaged periodically. One period
consists of feeder operating time and pause
in feeding time.
Pic. 6 . Fan and feeder operation periods.
Parameters related to Operation mode are :
feeder operating time and Air flush intensity
located in:
Menu → Boiler settings → Output
modulation
and operation time period located in
Menu → Service settings → Boiler settings.
There are two regulation modes responsible
for stabilization of boiler preset temperature:
Menu → Boiler settings → Regulation
mode
Standard mode operation
If the boiler’s temperature reach preset one
then the controller switches of to
SUPERVISION mode.
Controller is equipped with boiler’s power
modulation mechanism – which allows for
gradual power reduction when approaching
the preset temperature.
There are three power levels:
Maximal power 100%
Medium power 50%
Minimum power 30%
Current power level is displayed on the
screen as 3 segmented indicato rat the left
side of boiler’s icon.
Pic. 7. Power level indicator in main window.
Each level can be allocated with seperate fuel
feeding times and Air flush intensity which
influence on actual boiler’s power level.
Power levels parameters are available in the
menu:
Menu → Boiler settings → Output
modulation
The controller regulates burner’s power with
which it operates depending on preset
temperature and defined hysteresis
Hysteresis H2 and Hysteresis H1 Pic. 8
Hystereses H1 and H2
It is possible to configure volumes H1 and H2
in such a way that modulation is done
without intermediate position. That means
switching from 100% to 30% with omission
of 50% power (right side of the picture).
Pic. 8 Hystereses H1 and H2 of power modulation
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