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Page 32
7036-135E
September 1, 2008
R
Mt. Vernon Pellet Insert (AE)
5. Disposal of Ashes
• Frequency: As needed
• By: Homeowner
Ashes should be placed in a metal container with a
tight-fitting lid. The closed container of ashes should
be placed on a non-combustible floor or on the ground,
well away from all combustible materials, pending final
disposal.
If the ashes are disposed of by burial in soil or otherwise
locally dispersed, they should be retained in the
closed container until all cinders have been thoroughly
cooled.
Figure 32.1 - Large Clinker
C. General Maintenance and Cleaning
1. Types of Fuel
Depending on the type of fuel you are burning will dictate how
often the firepot cleans itself. If the fuel you are burning has
a high dirt or ash content or you are burning other biomass
fuels, it may be necessary to do a more thorough cleaning
during the burn season.
The auto-clean firepot system will routinely clean the
firepot, at shutdown when the wall control is satisfied or the
predetermined amount of burn time has elapsed.
A clinker is formed when dirt, ash or a non-burnable
substance is heated to 2000°F (1093°C) and becomes glass-
like. Clinkers filling the ash pan will have to be cleaned out
more often than ash. Excessive clinkers will eventually jam
the auto-clean system and generate an error. Figure 32.1.
2. Auto-Clean System Inspection
• Frequency: Monthly or more frequently depending
on fuel type
• By: Homeowner
a. The appliance must be in complete shutdown,
completely cool and the exhaust blower off.
b. Inspect the auto-clean springs for any degradation or
deformation. As the springs heat up and cool down
they can lose tension.
If there is a gap showing above the firepot floor it means
the springs have lost their tension and can not keep
the floor in the proper position.
This will cause ignition problems and fuel falling into
the ash pan. Replace them if that occurs.
c. Inspect the holes in the firepot floor for any debris.
They must be kept clear. If you are burning corn, the
holes have a tendency to fill with particles which will
need to be removed.
3. Cleaning Ash Pan
• Frequency:
Wood Pellet Fuel: Weekly or every 5 bags of fuel
Alternate Fuel: Daily
• By: Homeowner
Locate the ash pan underneath the firepot. Slide the
ash pan straight out. Empty into a non-combustible
container and re-install ash pan. When replacing ash
pan push it back until it catches on the 2 side latches.
See Disposal of Ashes below.
4. Ash Removal from Firebox
• Frequency: Weekly or more frequently depending on
fuel type or ash build-up.
• By: Homeowner
There must not be any hot ashes in the firebox during
cleaning so allow the appliance to completely cool.
Frequent cleaning of the ash in the firebox with a vacuum
cleaner will help slow down the build-up of ash in the
exhaust blower and vent system.
Disposal of Ashes
WARNING
• Ashes should be placed in metal container
with tight fitting lid.
• Ashes should be retained in closed container
until all cinders have thoroughly cooled.
Clinker