Hive connected to an existing twin programmer and roomstat

[Inverness]

hi guys, can someone advise how to connect a hive to existing s plan system? It is a danfoss twin programmer.
Cheers

 

[AMGasServices]

I’m sure the back plate for both units are the same just look at the wiring diagram at the back of each unit make sure they match up and swap the programmer.

 

[sparkie30]

Get a sparky who understands central Central heating.