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Old 8th Feb 2018, 10:22 pm   #13
Graham G3ZVT
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Join Date: May 2010
Location: Greater Manchester, UK.
Posts: 18,715
Default Re: Friedland Westminster Door Chime

On the top three screw terminals, the left and centre should be permanently wired to your 12VAC transformer.

The centre and right go to the bell push.

This means that if the transformer lives near to the bell-push, and the chime is in a different place, you need three wires between them.
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