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The boiler goes into the Modulation Phase when one of the two conditions has been fulfilled:
1. When the boiler achieves the set water temperature,
2. If the flue gas temperature is above 200 ° C
During the Modulation Phase, the boiler operates at a minimum power of - 1, until the temperature decreases below the limit
value.
Standby
The boiler goes into the Standby Phase when one of the two requirements have been met:
1. When the boiler reaches the set water temperature, it goes into the Modulation Phase and continues to increase the water
temperature by inertia to 4 ° C higher than the set water temperature in the boiler .
2. When an external (room) thermostat is activated.
In Standby Mode, pellet loading stops and the boiler turns off. The boiler is switched on again when the water temperature
in the boiler is reduced by 4 ° C below the set value, i.e. when the room thermostat is deactivated.
Safety
The Safety Phase occurs when the flue gas temperature exceeds 230 ° C or when the water temperature in the boiler reaches
85 ° C. At this stage, pellet loading stops until the flue gas temperature is below 230 ° C or the water temperature in the boiler is
below 85 ° C. If the temperature is not reduced in the next 60 seconds, the boiler goes into the Alarms state and shows the Er04
or Er05 message.
Extinguishing
The boiler is switched off by pressing the P2 key for more than 3 seconds. Then the Extinguishing Phase takes place in which
pellets stop being loaded and the flue gas motor and pump work with the maximum capacity in order to cool down the boiler as
soon as possible. The minimum duration of this phase is 300 seconds, and the flue gas temperature needs to be less than 70 °
C in order to extinguish the furnace completely.
OFF
In this phase, the boiler is extinguished (flue gas motor, pump, lighter and auger are not active).
Block
The Block Phase occurs in the event of an error or an alarm. The exhaust fan, the auger and the lighter are off in this phase.
Hold down the P2 key for 3 seconds to exit: if there are reasons for the Block Phase or there is no reason for activating alarm,
the system will turn off.
Recover Ignition
The boiler goes into this phase in two cases:
1. If the power supply outage occurs in the Run Mode and the flue gas temperature is greater than 45 ° C.
2. By pressing the main switch at the moment the furnace is in the Extinguishing Phase.
Possible Problems and Solutions
Message
on the
display
Description
Possible causes
Resetting the error
Possible solutions
Er01
Safety thermostat is activated
Boiler thermostat, Auger
thermostat
High temperature of the
water in the boiler
Wait until the boiler
completely cools
down and then
unscrew the plastic
cap on the
thermostat and
press the reset
button
Check if the pump is
working properly
Faulty or poorly
connected pump
Contact the
maintenance staff
Faulty thermostat
Er02
The safety pressure switch
activated
Flue gas discharge
obstructed
Press and hold the
P2 key for more than
3 seconds
Check how dirty the
flue pipes and
chimney are
Wrong installation of
chimney
Contact the
maintenance staff
Faulty pressure switch
Er03
Extinguishing due to too low flue
gas temperature
Poor combustion (there
are too few or too many
pellets in the firebox)
Wait for the boiler to
turn down and then
press the P2 key for
Check the pellet size
Check how dirty the
furnace chamber is
