Installing Hive, reciever not turning on.

[Thorn666]

Thanks in advance for any help
I'm installing hive as per instructions on an older thread.
The stat had two wires connected, and a third I'm assuming is neutral that wasn't connected.
Connected the hive backplate including the li k between live and the first pin, but reciever doesnt come on when I put the power back on.
Have included pictures as they can explain better than I can.
Inside the boiler, it looks like the neutral grey wite is not connected. I think there lies my problem, but wanted to get
some advice before connecting anything.

 

[stem]

It looks right as far as the wires at the Hive receiver go (assuming it's the single channel version you have) but the grey wire in the Hive N terminal will need to be connected to a neutral at its other end. The original thermostat was probably battery powered so didn't need a neutral connection. The Hive needs 230V so will need the neutral.

However. The cable at the boiler is a different cable from the cable at the thermostat, whilst it's quite possible their two grey wires are connected together somewhere, they might not be.

 

[Thorn666]

Thanks for the response.
Yes it's a single channel reciever. And the old stat was battery powered so didn't require the neutral.
It's a new build, and before buying there is an option to upgrade to smart heating. I'm assuming the grey wire is the neutral for the option of a non battery powered stat. I'll get a wire checker to be sure though.