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Old 01-25-2013, 09:29 PM   #16
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Originally Posted by beenthere View Post
Very good.

Other wise that limit wouldn't have tripped. Your system has a problem, and that safety did its job. now that you bypassed it, you have a dangerous situation.
true, it tripped when I only had power going to One of the furnances through a old 3500 watt generator.

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Old 01-26-2013, 12:24 AM   #17
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Originally Posted by dennismc View Post
Ok in all reality, what is the likely hood of it getting above 140? It is a shared twined system, with the cold air return underneath.

Furnanes are mounted side by side, competently open to the returns under them.

It will take 4-10 dyas to get the replacement, sent.
It's a safety device.....don't run the furnace without it.
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Old 01-26-2013, 10:56 AM   #18
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Originally Posted by dennismc View Post
true, it tripped when I only had power going to One of the furnances through a old 3500 watt generator.

You CANNOT run modern furnaces from any generator w/o damaging the circuit board. Generators produce unstable hertz/hz power cycles from 58-62 and the furnace board MUST see only 60 hz power. Unless you buy an expensive power conditioner to put between the generator and furnace. Generators are meant for lights and power tools and saws that don`t require stable power.

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