Buzzing Thermostat

Mar 27, 2014 6 Replies
T

Hi all



I have a Honeywell T6360B room stat controlling the fan on a Myson kick space heater.

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After only a year of operation it has started buzzing for a good few seconds on each switching operation.



The fan rating is only 3A so should be well within the capacity of the stat.



Is this just a duffer, or am I missing something?



I thought this would be the simplest most reliable solution for the application. It seems to provide the control required, just makes a noise doing it!



Thanks



Phil


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G

There isn't anything in those that can buzz apart from the contacts arcing, and I imagine that is what's happening.

The contacts might have a tiny magnet incorporated to make the action more positive.

You may be able to clean and re-tension the contacts.

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M

If its bimetal, check thermostat contacts & cable screws.

NT

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B

And the heating element wound around the bi-metal strip.

Bob

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T

Thanks guys

I'll check it out this weekend

Phil

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R

Never really understood why they have a heating element ? ..... do you know why. Sort of expected Bimetallic strip would simply respond to the air temp, so why does it need heating ?

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