01-20-2009, 08:34 PM
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Deity
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Join Date: Jul 2004
Location: Saint Regis Falls, NY, USA.
Posts: 4,978
Thanks: 0
Thanked 102 Times in 102 Posts
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flame sense sounds good.thermocouple, millivolt systems or a cad eye are typical flame sense circuits. thermocouple relies on actual flame detect. millivolt depends on voltage developed when a flame impinges on the thermopile, cad cell depends on the infrared spectrum of a flame.
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