Harman® • P42i Owner’s Manual • 2023 -___ • 03/2313 8742-900A
C. Unit Maintenance
Daily/Weekly Maintenance:Itisrecommendthattheburn
potbescrapedwheneveraddingfuel;takingtheopportunity
to clean the burn pot will ensure proper daily operation.
Scraping the Burn Pot-
• Usingameresistantgloves,vigorouslyscrapethetop
holed surface and sides of the burn pot down to auger
tube, be sure to concentrate in the neck of the burnpot.
Figure 2.1.
• Scrapeloosenedmaterialoveredgeofburnpotgrateinto
the ashpan.
• Ifneeded,emptytheashpanwhileaddingfuelandafter
scraping the burn pot.
Monthly Maintenance: It is recommend that the unit
be shut down and unplugged from any power source for
a monthly cleaning. Monthly cleanings will ensure proper
operation of your unit throughout the heating season.
• CleaningGlass-Onceunitiscold,useanon-abrasive
glass cleaner on glass and wipe clean.
• ScrapeandVacuumHeatExchanger.
Cleaning the Heat Exchanger-
Removing the Center Medallion:
1. Liftuponthe2bottomcornersofthemedallionuntilitis
higherthanthetopoftheameguide.
2. Pullthebottomedgeofthemedallionfrontapproximately
1 inch.
3. Pulldownwardonthecornersofthemedallionuntilthe
top is released from the retainer that keeps the top aligned
when in place. Figure 2.2.
Figure 2.2
1
st
- UP ↑
2
nd
- OUT
3
rd
- DOWN ↓
Figure 2.3
ScrapetheheatexchangerfreeofFly-Ashandcarbonbuild-up
Cleaning the Heat Exchanger:
Usingthescraperprovidedrunthestraightedgealongthe
at surface of the Heat Exchanger removing any carbon
depositsorashbuild-up.Figure2.3.
Figure 2.1