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8. Operation
50
8.6 OPERATION mode
In OPERATION mode, the blower fan operates in continuous mode and the fuel
feeder is activated periodically. The cycle includes feeder operation time and
feeder idle time and is set with Cycle time parameter in OPERATION mode in:
Service settings > Burner settings > Operation
Feeder operation time is determined automatically based on the required
current burner power, feeder output and fuel calorific value.
OPERATION mode parameters can be modified in:
Service settings > Burner settings > Operation
8.7 Control modes
Two control modes are available for the boiler temperature setpoint stabiliza-
tion: Standard with a three-stage burner power modulation and Fuzzy Logic
with a smooth burner power modulation using the controller's algorithm.
The modes can be set in: Boiler settings > Control mode
•
Operation in Standard mode: The controller features burner power control
mode which gradually reduces power as the boiler temperature setpoint is
reached. For Maximum burner power, individual blow-in power can be set
to nominal, intermediate or minimum, which along with the maximum
power, calorific value and feeder output determine the actual burner
power level. Blow-in power level parameters can be modified in: Service
settings > Burner settings > Operation > Blow-in settings
Current power is indicated on the display.
-10°C
OPERATION
-80°
70°
1
2
35%
The controller determines burner power based on the boiler temperature
setpoint and defined hysteresis.
•
Operation in Fuzzy Logic mode: In Fuzzy Logic mode, the controller auto-
matically determines burner power to maintain the boiler temperature at
a set level. The controller uses the blow-in power settings set in Standard
mode. This mode allows the temperature setpoint to be reached quicker.
The boiler power can also be limited with Min. and Max. parameters.
IF DHW STORAGE TANK IS HEATED ONLY (SUMMER MODE), IT IS
RECOMMENDED TO SWITCH THE CONTROLLER TO STANDARD MODE.
Leader in pellet boilers
Fr 10:30
-55°
40°
If set time is adjusted via room control panel, the alteration will affect all other
panels as well as the boiler controller itself. Panels connected to power supply
adopt the boiler controller's set time as their own.
8.8 MONITORING mode
The controller switches to MONITORING mode automatically without user
intervention after reaching the boiler temperature setpoint and monitors the
furnace to sustain the flame. Blow-in and feeder are activated periodically, less
frequently than in the OPERATION mode to avoid increase in temperature.
Blow-in operates in continuous mode. This function factory set to disabled.
Monitoring parameters for Grate mode must be set accordingly to the fuel used
and to avoid furnace damping when boiler is in stand-by mode. The blow-in
rate should not increase the boiler temperature. Monitoring parameters can be
modified in: Service settings > Burner settings > Grate - wood
SELECT THE PARAMETERS TO GRADUALLY REDUCE THE BOILER
TEMPERATURE. INCORRECT SETTINGS MAY RESULT
IN BOILER OVERHEATING.
Deactivation and maximum boiler operation time in Monitoring mode is
modified in:
Service settings > Burner settings > Operation > Monitoring time
If after that time, from switching to monitoring mode, boiler is not required,
the controller will switch to shutdown mode.
SELECT THE PARAMETERS TO GRADUALLY REDUCE THE BOILER
TEMPERATURE. INCORRECT SETTINGS MAY RESULT IN BOILER
OVERHEATING. DEACTIVATION AND MAXIMUM BOILER OPERATION
TIME IN MONITORING MODE SERVICE SETTINGS >
BURNER SETTINGS > OPERATION > MONITORING TIME
IF, AFTER THAT TIME, FROM SWITCHING TO MONITORING MODE,
BOILER IS NOT REQUIRED, THE CONTROLLER WILL SWITCH TO
SHUTDOWN MODE.
PROLONGED OPERATION IN MONITORING MODE IS NOT EFFICIENT
SINCE THE BOILER OPERATES WITH LOW EFFICIENCY. IT IS
RECOMMENDED TO INSTALL THE BUFFER TANK IN THE SYSTEM
AND TURN OFF MONITORING MODE BY SETTING
MONITORING TIME = 0.
8.9 LIGHTING mode
When boiler is turned on, LIGHTING mode is activated automatically for
3 minutes. During that time boiler operates at 40% of power. Afterwards the
controller switches to OPERATION mode.
ecoMAX860P3-S – Simple Controller User Manual – EN 12.17
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