12
Operation in Fuzzy Logic mode
In Fuzzy Logic mode the controller
automatically regulates burner power to
allow boiler operation in such a way to
maintain its temperature on preset level. The
controller uses power levels defined in
Standard mode. In this mode the parameters
Hysteresis H2 and Hysteresis H1 do not have
to be set.
The Fuzzy Logic mode unlike the Standard
mode is not faulty in respect of failing to
reach the preset boiler temperature due to
incorrect adjustement of Hysteresis H2 and
Hysteresis H. It also allows for quicker reach
the preset temperature.
Attention: If the boiler operates
without heat buffer and controller is
switched into SUMMER mode than
Standard mode operation of the
controller is recommended.
After exceeding the preset temperaturę by 5
degrees C the controller switches into
SUPERVISION mode.
8.7 SUPERVISION
SUPERVISION mode is applicable either in
regulation in STANDARD and Fuzzy Logic
mode.
The controller switches into SUPERVISION
mode automatically without user’s
intervention: - in Standard regulation mode
– after reaching the boiler preset
temperature, - in Fuzzy Logic steering – after
exceeding boiler preset temperature by 5
degrees C.
In SUPERVISION mode the controller
oversees the furnace, keeping it from
burning off. To do so, the burner operates
with very low power, what together with
properly adjusted parameters do not cause
further increase in temperature. Burner’s
power in SUPERVISION mode and other
parameters of Supervision are grouped in
menu:
Menu → Service settings → Boiler
settings → Supervision
Parameters of SUPERVISION mode are to be
set in accordance to burner/boiler producer’s
recommendations. They should be so chosen
to prevent the furnace from burning off
during boiler’s pauses (the furnace should
not at the same fire up to too high a
temperature, because it will cause too high a
temperature of the boiler). Operation and
pause time of the feeder in SUPERVISION
mode is set using following parameters:
Feeding time SUPERVISION, Period time
SUPERVISION and Air flush intensity
SUPERVISION.
The parameters in this mode must
be so chosen as to make the boiler
temperature gradually decreasing.
Incorrect settings can cause boiler
overheating.
Maximum time of boiler’s operating in
supervision mode is defined in parameter
Supervision time. If after this time (in
Supervision mode) there is no need to
restart the boiler then the controller starts
the process of boiler’s burning off.
For setting Supervision time = 0 the
controller omits SUPERVISION mode
and goes directly to BURNING OFF.
8.8 BURNING OFF
In burning off mode the leftovers of pellet
are burnt and the boiler is prepared to pause
or deactivation.
All the parameters influencing burning off
process are grouped in menu:
Service settings →
Boiler settings → Burning off
The controller stops feeding fuel and makes
periodical blowings to burn off remnants of
fuel. After decrease of flame brightness or
maximum time of burning off expiration the
controller turns into PAUSE mode.
8.9 PAUSE
In PAUSE mode the boiler is being burnt off
and awaits the signal to start operation. The
following can be a signal to start operation:
Decrease of preset boiler temperature
below preset temperature diminished by
boiler hysteresis (Boiler hysteresis),
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