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3-90-08101R23_06/13
Cleaning the accordion heat exchanger/rebox:
Thiscleaningshouldbedonemonthly,oraftereachtonof
pelletsused.Thefrequencyofthiscleaningwillbedirectly
relatedtothe qualityand thequantityof thepellets being
used. Keep in mind that the cleaner the heat exchanger
surfaceiskept,thehighertheheattransferefciencywillbe.
Due to it’s ease of restarting it is recommended that the
furnacebeOFFandCOOLbeforecleaning.
Beforestartingto cleanthe insideof therebox areait is
recomendedthatallofthebafingberemoved.Startwith
theupperheatexchangerbafe.SeeFig.66.Pushstraight
upwardonthelower ashslideangle aprox.1/2”.This will
releasethebafefromthepositioningbracketsandallowit
tobetiltedtowardtheburnpotandremovedfromthefurnace.
Note: Observethepositioningtabsandbracketsystemon
therearoftheupperbafeasitisbeingremoved,foreasier
replacementlater.
Removethelowerbafeplate.Thisbafeisaatplatethat
sitsonthefurnaceoor.Tipthetopedgetowardtheburnpot
andliftupandoutofthefurnace.Notehowthebafebottom
edge sits behind the ashpan guideand against the heat
exchanger.SeeFig.67.
Withallofthebafingremoved,theentirereboxareaand
the accordion heat exchanger can be cleaned. Use the
pointedendofthescrapersuppliedtocleantheaccordion
heatexchanger.Asmallwispbrush,wirebrush,oranold
stiffbristledpaintbrushworksbestforcleaningtherebox
walls.Alloftheyashremovedduringcleaningwillfalltothe
bottomofthefurnacewherethereisanunobstructedaccess
forcleaning.Eventhebottomendsofthechainscanbeseen
andaccessedeasilyfromthedooropening.SeeFig.68.
Maintenance
Fig. 66
Ash slide angle
Upper Bafe
Fig. 67
Ash Pan Guide
Lower
Bafe Plate
Fig. 68Shaker Chain Ends
CAUTION
Cleanout of the heat exchanger, ue pipe, chimney,
and combustion blower fan housing, is especially
important at the end of the heating season to minimize
corrosion during the summer months, caused by
accumulated ash.