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Naturela NPBC-V3C-1 User Manual Page 29

Electronic pellet burner controller.
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Electronic pellet burner controller – NPBC-V3C-1/ NPBC-V4C-1
RT Control – Set the time for decreasing the power level when the burner is on CH priority mode.
When the room thermostat activates due to reaching the set temperature, the burner continues working
on the current power level for as long as it is set in the menu RT Control. Then it decreases the power
by one power level at a time while working on each power level for as long as it is set in this menu.
After P1, if the thermostat is still active, the burner switches to Suspend power level and works on it
for as long as it is set in the menu Factory Settings → Power Modulation, parameter Duration
[min].
Safety Setup – If a high temperature sensor pt100 is connected to the controller's PT input, it will
monitor the temperature of the exhaust gases. If it gets higher than the value of the parameter Warning
in this menu, the controller displays a warning message. If the temperature of the exhaust gases gets
higher than the parameter Extinguish, the controller turns the burner off and displays an alarm
message. In both cases the boiler needs to be cleaned.
User Manual / ver 3.8
http://www.naturela-bg.com/en/
If the burner works on P3 power
level when the thermostat
activates, it will work on
this power level for 60 seconds
If the room thermostat is
active, the burner will
work on P2 for 60 seconds
If the room thermostat is
active, the burner will
work on P2 for 60 seconds
If the exhaust gases' temperature is
higher than 200°C, the controller
displays a warning message
If the exhaust gases' temperature is
higher than 220°C, the controller
displays an alarm message
and turns off the burner
page 29 of 36

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Npbc-v4c-1

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