Heat Exchanger Maintenance - Harman Accentra 52i Owner's Manual

F. Heat Exchanger Maintenance
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 5.4.
Note: The heat exchanger covers will tilt to the front when
the center medallion is removed.
1
st
Flame Guide
Figure 5.4
Removing the Heat Exchanger Covers
1. Remove cleanout plate assembly by pulling up on the
latch located at the bottom right corner of firebox. Figure
5.5
2. Remove the heat exchanger cover by lifting it upward
about 1/2 inch and move the bottom edge front until it
sits flat on the firebox bottom.
3. Rotate the right side of the heat exchanger toward the
door opening until you are able to remove the heat
exchanger from the firebox.
4. Tip the top of the heat exchanger toward the door
opening until it can be lifted up and out. Figure 5.5a
Figure 5.5
Latch
Figure 5.5a
20
3 - DOWN
rd
↑
- UP
2 - OUT
nd
Lifting tab
Harman® • Accentra 52i Owner's Manual_R8 • 2013 -___ • 07/14
Cleaning the Heat Exchanger
With the Heat Exchanger covers removed you can now clean
the Heat Exchanger surface.
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 5.6.
↓
Scrape the heat exchanger free of Fly-Ash and carbon build-up
Figure 5.6
After the Heat Exchanger has been scraped, use the dust
brush supplied to remove any remaining fly-ash from the Heat
Exchanger as well as other areas throughout the firebox.
Figure 5.7.
Brush the firebox free of remaining Fly-Ash.
Figure 5.7
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