Keystoker timer setting - tork
Looking for recommended timer setting on kaa-4 keystoker. Flue is drafting right at -.02 and I'm not using the secondary blower. Right now it's set at 5 minutes off, 1 minute on. I'm having no problem keeping the fire light at these settings, just wonder if this is the most efficient
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nepacoal
- Member
- Posts: 1701
- Joined: Wed. Nov. 21, 2012 7:49 am
- Location: Coal Country
- Stoker Coal Boiler: Keystoker KAA-4 / "Kelly" and an EFM 520 at my in-laws
- Hand Fed Coal Boiler: Harman SF-260 - retired
- Coal Size/Type: Buck
I use 52 sec on and 10 minutes off. Works perfectly both summer and winter. Equates to 3 pins Every 10 minutes on an intermatic 30 min timer. My kaa-4 does use a rheostat to run the combustion blower at a low speed between timer cycles.
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lzaharis
- Member
- Posts: 2379
- Joined: Sun. Mar. 25, 2007 8:41 pm
- Location: Ithaca, New York
- Stoker Coal Boiler: Keystoker KAA-4-1 dual fuel boiler
- Hand Fed Coal Boiler: former switzer CWW100-sold
- Coal Size/Type: rice
- Other Heating: kerosene for dual fuel Keystoker/unused
As long as you have a good hold fire to keep the fire on the grate I would not worry about it.
Every time I tried to reduce my hold fire time I had an out fire and as a result of that past experience I have left my hold fire timer settings as is.
I would leave your hold fire timer settings as they are since its not a pot stoker or traveling grate stoker as the keystokers have less coal to burn when they are burning due to the flat or sloped fire grate.
Every time I tried to reduce my hold fire time I had an out fire and as a result of that past experience I have left my hold fire timer settings as is.
I would leave your hold fire timer settings as they are since its not a pot stoker or traveling grate stoker as the keystokers have less coal to burn when they are burning due to the flat or sloped fire grate.