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Electronic pellet burner controller – NPBC-V3C-2 / NPBC-V4C-2
How to turn the burner on/off:
Press the On/Off button to enter the switch mode menu:
Currently selected row
Press the up or down navigation buttons (
pressing the On/Off button. To abort your choice and return to the main screen press the left
navigation button (◄) or press no buttons for more than 5 seconds. The field "Fuel type" on the
main screen shows the currently selected fuel that the burner is set to burn. If this field is missing,
the burner is either off or is about to turn off. The most certain indication that the burner is off is
that there is no green text on the bottom line with any of the work phases from table 1.
Table 1
1 Cleaning
2 Feeding
3 Ignition
4 Unfolding fire
5 Suspend
While in Standby mode, the burner doesn't work. If it was on right before switching to this mode, it
will instantly start the extinguishing procedure. It needs some time to completely put down the fire
and to perform the Cleaning on Stop procedure. The burner's and the boiler's aggregates might still
work for some time during the Standby mode.
The installations' circulation pumps keep working until the conditions for them to work are fulfilled,
even if the burner is off, thus ensuring the maximum usage of the heat energy.
The Fuel type field appears on the screen right after the burner is on. Then the Cleaning on Start
procedure and the ignition start if all of the necessary conditions are fulfilled: the temperature of the
boiler is lower than the set temperature, the room thermostat and the OD input for external stop
switch are not activated, there are no error messages or activated timers that require the burner to
User Manual / ver3.8
▲
▼
or
Work phase
http://www.naturela-bg.com/en/
) to select a row and confirm your choice by
6 Power P1
7 Power P2
8 Power P3
9 Interm clean
10 Extinguishing
Work phase
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