Issues fitting hive from danfoss controller

[Jakethedog]

Hi no the heating is all off the one combi , re valves I mean in the boiler (always. Closed ,always open) on the controller cables thanks Jake

Think the third connector across on the control panel is common , this was bridged from t2-t3 ( by the picture not the numbers) so permanent live was bridged across to common where the black cable from the white flex comes from the boiler … it looks like the black cable on the common goes to the boiler board labels RT.

I’ve just never seen so many cables in such a small space lol
Thanks
Jake

 

[Jakethedog]

The black cable from the boiler white flex went to the 5 th connector as counting across on the control pannel( t3 )

Brown from the white flex went to common

 

[Jakethedog]

The boiler is a valiant eco tech sustain
Thanks
Jake

 

[timhoward]

Ultimately, when the L and the RT at the boiler are connected, it calls for heat, so these two are what need connecting to the hive.
I would take the cover off the room stat, work out which cable that is, and set it aside. I'm expecting one leg of that to be in the unmarked terminal, so the old arrangement was a loop from the Danfoss to the room stat and back to the RT terminal.

Basically you need to end up with N and L from the spur, L bridged to 1 at the hive, and 3 at the hive returning to RT at the boiler.
Please verify that for yourself but that is my understanding from the Hive manual and the boiler manual.

 

[timhoward]

Also, a wider shot of the wiring at the boiler so we can see where all three cables go might help too.

 

[Jakethedog]

Hi
Apologies for the delay just wanted to say a huge thanks , all sorted