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Equipment- Enable/disable the additional mechanisms and sensors of the burner's configuration
and set the polarity of the room thermostat's and the OD input's contacts. The OD input function
can be ''External stop '' , and when it is active, the burner will be forcibly extinguished and will
ignite only after its release. In this case the polarity normally closed or normally open is set with
row '' Ext. stop NC'', so if the switch is on, and to input OD the circuit is in short , the burner will
work. If the circuit is interrupted, the burner will be extinguished. Second function can be choose
for input OD ''Vacuum switch'' which must be with normally closed contact. If it is open, first
stopped pellets feeding, the main fan is increased to 100 and if it last more than 66 sec., the burner
is switched off.
Burner feeder
Room thermostat
normally open
External stop to OD
with normally closeed
contact (NC)
The OD input function
will be '' External stop''
General Settings – Here are the control settings of the internal auger motors (Burner Feeder), the
maximum allowed set temperature for the boiler and Hysteresis.
The burner feeder
will work 1.5 times longer
than the main auger
Additional seconds for
burner feeder's active time
The internal auger motor always starts at the same time with the main auger.
The active time of the auger motor in seconds is: Tia=
where: Tia is the internal auger motor's active time;
User Manual / ver. 1.2
Electronic pellet burner controller - NPBC-V6T-2
Service Settings for all types of fuel
http://www.naturela-bg.com/en/
T fa ∗Operation
+Extra Sec.
100
page 31 of 41
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