I opened up the old reciver and Blue connected to N (not needed for thermostat e) brown connected to L. Then a small piece of black wire looped going from L (next to brown over to A) then finally a grey wire connected to B.
Yes it is nest thermostat e that's battery powered so was confident blue and brown wires were not to be used. Thanks for the advice though I think I might call a electrtion.
Thanks for the reply I'm having trouble identifying the correct wires using the nest app instructions. I was hoping someone had done a similar swap and could help me identify the correct two wires from the picture.once again any help would be appreciated.
Hi I want to replace my current Honeywell CM927 with a Nest e. I'm having some trouble identifying the correct wiring. Please see pictures of current receiver I want to replace with the nest e heat link. Any advice and instructions would be greatly appreciated.
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