SWEBO Bioenergy
Manual pellet burner PB20
Rev no.
Date
Page
PBM1:12
2018-01-22
28 (36)
8.2 Burner pipe
Remove the stop plate from the burner pipe’s front part and remove any slag, ash and similar from the burner pipe using the
scraper provided. After cleaning, reinstall the stop plate.
8.3 Cleaning the external burner pipe
Clean the external burner pipe 4 times a year as follows, also see exploded diagram under 1.2.1.
Stop the burner according to 7.4.
Wait until the burner has cooled down completely.
Cut the current to the burner, auger and control unit.
Remove the feed tube.
Remove the burner cover.
Detach the two eccentric locks holding the burner housing.
Pull the cover backwards/upwards.
Pull the inner pipe out.
Clean the external pipe.
Reinstall in reverse order.
8.4 Flame detector
Remove the blue burner cover by slackening off the three screws that hold the cover in place and pulling the cover backwards.
Pull out the flame detector straight back and clean off any soot and dust (only if necessary).
8.5 Checking the safety system
The safety system should be checked when a component has been replaced, damaged or disassembled. This applies to
overheat protection, electronic panels, circuit boards, connectors, wiring or similar.
Check overheat protection as follows.
8.5.1 Overheat protection
Stop the burner according to 7.4.
Remove the feed tube.
Blow air using a hot air gun on the inside of the pipe before the sensor.
Alarm ”Overheat” should occur.
8.6 Prior to sweeping
Before sweeping, the burner and boiler should be cleaned according to 8.1 - 8.3. The burner can be reinstalled but should not
be started before the chimney sweep’s visit.
Summary of Contents for PB/20
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