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Author Topic: Kd250 kiln schedual  (Read 814 times)

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Offline Woodslabs

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Kd250 kiln schedual
« on: June 07, 2018, 11:55:26 PM »
Hi all,

I have been running a Kd250 for 2 or so years now. I find that the kiln shedual provided in the manual doesn't really force the compressor on very often. Like for example I'm running wood type 4 at 50% moisture. Manual says 95/89 temps. When I do that the wet bulb will stay 90.5 or so and won't turn on the compressor as it needs to be 2 degrees higher.  I usually set the wet bulb 1 degree lower than what the manual says and it works great. Anyone have the same issue?

I dry mixed hardwoods at 2 and 1/4 thick.

Offline GeneWengert-WoodDoc

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Re: Kd250 kiln schedual
« Reply #1 on: June 08, 2018, 06:51:35 AM »
Take the wick off the WB and dry it off.  This makes it a DB, and it should read the same as you regular DB.

In order for a WB to work well, it needs pretty good air flow in order to evaporate the water and cool it.  The wick also needs to be very wet.
Gene - Author of articles in Sawmill & Woodlot and books: Drying Hardwood Lumber; VA Tech Solar Kiln; Sawing Edging & Trimming Hardwood Lumber. And more

Offline K-Guy

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Re: Kd250 kiln schedual
« Reply #2 on: June 08, 2018, 09:10:31 AM »
Our kiln schedules are conservative because it makes it easy for new users to get a good result. Also because our schedules are for all of North America and wood can dry a little differently from region to region. :) 
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