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Why does the 115V-24V transformer keep blowing on my Trane XB80?
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Steve Turner[_3_]
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Why does the 115V-24V transformer keep blowing on my Trane XB80?
On 4/3/2011 3:19 PM, Smitty Two wrote:
In ,
wrote:
On Sat, 02 Apr 2011 20:50:41 -0700, Smitty Two
wrote:
In ,
wrote:
On Sat, 02 Apr 2011 13:46:05 -0700, 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.
but it also means the dang thing overheated.
Nah, it just means the fuse blew from age, thermal cycling, and
vibration.
In 18 months? If so it was crap to start with.
I'll give you that. But OP has now stated that the OEM part was primary
open as well, and that one lasted 6 years.
Correct. The replacement (which had a power rating of 40VA, whereas the
original was only 35VA) only lasted two months.
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