SWEBO Bioenergy
Manual pellet burner PB20
Rev no.
Date
Page
PBM1:12
2018-01-22
21 (36)
1.8 Service mode
Adjustments in the main group ”Service mode” must
only be made by an authorised and trained technician.
Setting option, Yes or No.
Default setting = No.
1.8.1 Enter code
The code to enter service mode is shown under
”Enter
code”.
To scroll in thousands, press and hold the “up” arrow
button, then immediately press “Power stage 1” and
scroll using the “Power stage 1” button for the desired
number of thousands. For hundreds, press and hold the
“up” arrow button, then press “Power stage 2” and
scroll using the “Power stage 2” button for the desired
number of hundreds.
Service mode deactivates automatically after 2 hours.
Setting option, 0-9999.
(6.)2 Firing sequence
The firing sequence can be configured in the main gr
oup ”Firing sequence”, see the figure below, which graphically
describes the firing process. Settings can only be made by a service technician.
2.1 Blow cleaning
Under ”Blow cleaning” the time that the fan runs before
firing starts can be adjusted, this is to evacuate any
gases in the boiler.
Setting range, 1-300 seconds.
Default setting = 60 seconds.
2.2 Pre-heating
Under ”Pre-heating” the time that the firing element is
on before the first start dose of pellets is fed in is
adjusted.
Setting range, 10-300 seconds.
Default setting = 115 seconds.
2.3 Start dose
Under ”Start dose” the feed time that is to apply for the
start dose can be adjusted.
Setting range, 1-240 seconds.
Default setting = 50 seconds.
2.4 Fan
During the firing sequence, the fan runs in a sequence
of seven steps, where the fan speed and fan time are
separately adjustable for each step. Steps 6 and 7
alternate until burning starts or the set maximum time
has been exceeded.
Remember that when setting the fan speed below 25 to
30 %, the fan can remain stationary, this is due to the
mains power supply level and the fan’s rotation
resistance. No settings can be made here.
2.4.1 - 7 Fan sequence
Select which power stage the settings are to be made
in under ”Fan sequence ” .
Setting range, 1-7.
Default setting = 1.
2.4.x.1 Fan time
The fan time for the selected stage can be adjusted
under ”Fan time”.
Setting range, 1-60 seconds.
Default setting
stage 1 = 20 seconds.
stage 2 = 20 seconds.
stage 3 = 15 seconds.
stage 4 = 20 seconds.
stage 5 = 20 seconds.
stage 6 = 10 seconds.
stage 7 = 10 seconds.
2.4.x.2 fan speed
The fan speed for the selected stage can be adjusted
under ”Fan speed”.
Setting range, Off or 25-100 %.
Default setting
stage 1 = 41 %.
stage 2 = 45 %.
stage 3 = 41 %.
stage 4 = 50 %.
stage 5 = 46 %.
stage 6 = 51 %.
stage 7 = 46 %.
Summary of Contents for PB/20
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