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The Daring Dufas[_7_] The Daring Dufas[_7_] is offline
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Default Why does the 115V-24V transformer keep blowing on my Trane XB80?

On 4/2/2011 3:46 PM, Smitty Two wrote:
In ,
Steve wrote:

The replacement was indeed made in China. It's an Edwards model 599:

http://www.edwards-signals.com/index...d=104&level=15


I dunno what this means:

"Non-regenerative thermal overload protection"

but it *could* mean that the transformer has a thermal fuse. If so, it's
an easy and dirt cheap fix.


Some small transformers have a self resetting thermal circuit breaker.
I assume the Edwards transformer has a one-shot thermal fuse (cheaper).

TDD