American Energy Systems MagnuM Winchester - Manual (Page 40)

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A proper draft setting is crucial to the successful burning of solid fuels. Draft refers to the amount of air
flowing through the burn chamber/firebox of your unit. Too much or too little draft will cause your unit
to burn improperly and may result in the fire burning out. Please follow these guidelines carefully as you
operate your unit to achieve maximum efficiency and enjoyment.
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The amount of draft required for your unit to burn properly will depend upon your installation and the
fuel you use. You can set your draft by looking at the flame and following these guidelines. The
manual draft knob is the rod and knob on the left side of the unit or the handle on the back of the unit.
Pulling the knob out increases the draft and pushing the knob in decreases the draft if the damper is on
the back of the unit you trying it up will increase draft and turning to a 90 deg position will decrease.
A little movement of the knob goes a long way to changing the flame. It may take several trial and
error adjustments on the draft to achieve the correct setting.
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The flame should be an “active” flame. A flame that moves around lazily and emits visible smoke
needs more draft. To give the fire more draft, pull the damper out 1/8” and check the flame again. If
the status of the flame has not changed, move the damper another 1/8” until you get a clean “dancing”
flame. If moving the damper does not change the fire, you might have negative pressure in the
home.
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The base of the flame should be blue in color and the top of the flame should be white will some
yellow.
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If the flame does not have enough draft, fuel will build up in the firepot and eventually smother the
flame. If this happens, or if you notice the firepot is filling up with partially burned fuel, open the
damper 1/8” at a time until the fire is clean and dancing. If this continues and moving the draft knob
does not change anything, you probably have a negative air problem and should have a service tech
inspect your installation. Do not operate the unit if smoke is being pulled into the home.
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If the flame has too much draft, the flame will look like a torch in that it will be moving rapidly and
blowing fuel out of the firepot. If you find that you have this condition, move the damper inward 1/8”
at a time until the condition of the flame changes.
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If the fuel crusts over, you will need to check into the fuel quality. This will also be a problem if you
do not have outside air hooked up or if your home is starving for fresh air.
SETTING THE DRAFT