Help appreciated with thermostat wiring


Old 12-07-17, 02:36 AM
Thread Starter
Join Date: Dec 2017
Location: UK
Posts: 1
Help appreciated with thermostat wiring

I am looking to replace my old thermostat with a Honeywell T6360. Presently there are three wires other than the earth: red, blue and a yellow. I see that the live wire, presumably red, must go to terminal 1. The confusion comes with the other two. It says the neutral should go to terminal 2, which I presume is blue, leaving the yellow one to go on terminal 3. Would this all be correct? What would be the likely consequence of getting 2 and 3 round the wrong way? Thanks.

Mod note: member in the UK

Last edited by PJmax; 12-07-17 at 09:53 AM.
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Old 12-07-17, 06:47 AM
Join Date: Nov 2015
Posts: 939
Neutral normally does not connect to the thermostat. Neutral is connected to the heater and live side of the wire going to the heater is connected to the thermostat.
Checking wiring diagram of your new thermostat, I see that it does have neutral connection and it is used for anticipator. Anticipator is a small resistor that will allow fine tuning when the thermostat turns off.

You will have to figure out how the wires are connected to the heater or current thermostat.
Old 12-07-17, 06:56 AM
Join Date: Nov 2012
Location: USA
Posts: 3,347
What was the model of the Stat you are replacing?
Old 12-07-17, 07:07 AM
Join Date: Feb 2006
Location: USA
Posts: 6,460
The OP is located in the UK.

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