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jaydebruyne

Plumbers Arms member
Plumber
Gas Engineer
Apr 6, 2014
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London, UK
Member Type
Heating Engineer (Has GSR)
I just need confirmation I'm doing this right as per my drawing..

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Not sure if this is clear enough.. but...

I've replaced an old mechanical timer and room stat and had to rewire as custard wanted them relocated.

I was trying to do this without a wiring centre and it kept blowing the fuse lol

So... this is for a potterton heat only boiler serving heating only. They have a separate multipoint for hw.

I need to link permanent live to 1 on the programmer?
3 from programmer goes to 1 on room stat.
3 from room stat goes to switched live on boiler.
All permanent live for boiler and programmer you get from switched spur?

I'm pretty sure this is right but would like opinions please...

Cheers
 
I'll go grab a wiring centre from nailfix tomorrow and finish up. Thanks Shaun 😉

Tbh mate if you have wired it up like that without one and your still blowing fuses the only thing I can think of other than a fault is you have maybe crossed a wire / misplaced one

Also don't forget your neutral on your stat
 
Last edited:
Tbh mate if you have wired it up like that without one and your still blowing fuses the only thing I can think of other than a fault is you have maybe crossed a wire / misplaced one

Also don't forget your neutral on your stat
I know where I've messed up.. I extended the 3 core with a choc box. So the black (switched live) became earth. I've wired up the switched live to earth on the programmer lol DOH
 
It was as I thought. I didn't use a wiring centre in the end and got it all up and running in the end
 

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