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Replacing Central Heating Thermostat Control With Digital Display


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Postby Terry Cooper » Wed Nov 08, 2017 12:42 pm

I want to replace my old thermostat control with a digital display. My current wiring is blue (neutral), red (live) and yellow (earth). The instructions on the new thermostat talks about a mains live and a switch live wire and a parking terminal for the earth wire.
I am assuming that my red wire equates to the mains live and my blue neutral wire equates to the switch live wire. Is this correct, or do I need to be rewired?
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Postby chriscba » Fri Nov 24, 2017 9:17 pm

Are you sure that the yellow is an earth, It could be the switch live.

A photo would be a great help......
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