21
CREOSOTE
When wood is burned slowly, it produces tar and other organic vapors. These combine with moisture
to form creosote. Creosote vapors condense in the relatively cool chimney flue of a slow-burning fire
– as a result, creosote residue accumulates on the lining of the flue. If ignited, this creosote makes an
extremely hot fire. The chimney should be inspected on a regular basis during the heating season, to
determine if a creosote build-up has accumulated. If it has, the creosote should be removed to
reduce the risk of chimney fire.
WAYS TO PREVENT AND KEEP UNIT FREE OF CREOSOTE
1.
Burn with the air control fully open (See Illustration 6) for several minutes at numerous intervals
throughout each day during the heating season, being careful not to over-fire the unit. This should
remove the slight film of creosote that accumulates during low burn periods.
2.
Burn the stove with the draft control fully open for approximately 20-30 minutes every time you
apply fresh wood. This allows wood to achieve the charcoal stage faster, and burns wood vapors
which might otherwise be deposited within the system.
3.
BURN ONLY SEASONED WOOD. Avoid burning wet or green wood. Seasoned wood is wood
that has been dried for at least one year.
4.
A small, hot fire is preferable to a large, smoldering one that can deposit creosote within the
system.
5.
Establish a routine for fuel, wood burner and firing technique. Check daily for creosote build-up
until experience shows you how often you need to clean to be safe. Keep in mind that the hotter
the fire, the less creosote is deposited, and weekly cleanings may be necessary in milder weather,
although monthly cleanings may be enough in the coldest months. Contact your local authority for
information on how to handle a chimney fire, and have a clearly-understood plan to handle a
chimney fire.
ASH DISPOSAL
Regularly inspect the ash build-up in your unit and remove as necessary. Ashes can be removed
from the unit by shoveling them off the firebrick. This unit has an ash drawer plate (see Illustration 4)
that can be removed from the stove; once removed, the ashes can be raked through the opening and
into the ash pan.
Caution:
The ash drawer plate can be extremely hot!! Never remove red-hot ashes from the
appliance; allow ashes to cool before dropping into the ash pan. Ashes should be placed in a metal
container with an airtight lid. The ashes should be placed outside on a noncombustible surface and
completely away from any combustible materials. The ashes should remain in the airtight container
until they have completely cooled.
WARNING: THINGS TO REMEMBER IN CASE OF A CHIMNEY FIRE:
1. CLOSE DRAFT CONTROL
2. CALL THE FIRE DEPARTMENT
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