Harman® • P42i Owner’s Manual • 2023 -___ • 03/23
13
8742-900A
C. Unit Maintenance
Daily/Weekly Maintenance:
It is recommend that the burn
pot be scraped whenever adding fuel; taking the opportunity
to clean the burn pot will ensure proper daily operation.
Scraping the Burn Pot-
• Using flame resistant gloves, vigorously scrape the top
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.
• Scrape loosened material over edge of burnpot grate into
the ashpan.
• If needed, empty the ash pan while adding fuel and after
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.
• Cleaning Glass - Once unit is cold, use a non-abrasive
glass cleaner on glass and wipe clean.
• Scrape and Vacuum Heat Exchanger.
Cleaning the Heat Exchanger-
Removing the Center Medallion:
1. Lift up on the 2 bottom corners of the medallion until it is
higher than the top of the flame guide.
2. Pull the bottom edge of the medallion front approximately
1 inch.
3. Pull downward on the corners of the medallion until the
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
Scrape the heat exchanger free of Fly-Ash and carbon build-up
Cleaning the Heat Exchanger:
Using the scraper provided run the straight edge along the
flat surface of the Heat Exchanger removing any carbon
deposits or ash build-up. Figure 2.3.
Figure 2.1