Re: Electric Heating Contactor Noise

[Chris Hunter <cjhunter@xxxxxxxxxxxx>]

Maybe the contactor's mounted, effectively, on some sort of sounding
board - eg: the mounting board fixed to a lightweight stud partition ?

Chris



Simon Ryley wrote:

>Hello everyone,
>
>I'm sure someone on the list must have had a similar problem.
>
>I've got a new build house with electric panel heating, not night
>storage.  The system is wired as a separate ring main for the five
panel
>radiators, with each rad having its own thermostat, a conventional wall
>stat in the lounge and a time clock in the fusebox upstairs.
>
>It works in a similar way to normal gas and water central heating, when
>the time clock is in an on period, and the room temp in the lounge is
>below the stat setpoint the heating comes on.  Lounge temp rises above
>stat setpoint, heating goes off.
>
>The problem is, there is a ruddy great contactor in the fuse box to
>switch the current to the radiators, and this makes a pretty loud thump
>whenever it switches.  Its loud enough to sometimes wake us up in the
>morning when it first turns on.  For some reason the heating also short
>cycles, so the contactor is usually switching every 5 minutes or so, so
>the thumping does get rather annoying.
>
>I want to start doing a few clever things with the heating, but I can't
>until I can get the contactor noise reduced.
>
>Has anyone else has this problem and do they know of a way to quieten
>down the contactor?  My suggestion to SWMBO of not using the heating
>didn't go down too well...
>
>Thanks,
>
>Simon
>