Koker 160 and the CT Min Settings on a Coal-Trol

A Coal stoker furnace or stove controls most operations including automatically feeding the coal. They are quite similar to any conventional oil and gas units and easily operated for extended periods of time. They commonly use rice coal but may use larger sizes like buckwheat. They can be used as primary heat, supplementary heat or have a dual set up with your existing oil/gas furnace.
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Doc Dt
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Joined: Tue. Apr. 29, 2008 11:29 am
Stove/Furnace Make: Keystoker
Stove/Furnace Model: Koker
Location: Dorset ,Oh

Post Fri. Oct. 17, 2008 1:47 pm

Been running stove for about 2 weeks. my min. setting is on 2.Been working fine except I get unburnt coal in ash bucket. (not much) . Is this because min to low? Comb fan needs more air ? or any other suggs. Using Blaschak bulk.
Are you part of the problem,or part of the soulition?

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Post Sat. Oct. 18, 2008 3:32 pm

Make sure it is really unburned coal you're seeing. Often the ash will contain darker pieces that appear to be unburned or partially burned coal but are actually pieces of rock.

If it is coal you can try increasing the MIN setting. I've seen people have the MIN turned down so low that the fire is almost non existent on the sides of the grate while there is still a sustainable fire through the middle section, letting partially burned coal make it through. In these cases increased combustion air can help, but there is a point where it is too much and will cause the low feed fire to burn through too fast and go out. It is a careful balancing act when trying to eek out optimum idle fires, and you have to be sure the adjustments to combustion air that you make do not cause either an under or over fire condition at the MAX setting.
Paul Volcko
Coal-Trol Digital http://www.coaltroldigital.com/

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