ideal logic 35

Hi, Hopefully you can help. I am looking to change 2x Danfoss 5000si to Hive active heating. I bought 2x as I have a downstairs one that control.the entire floor and one in the master bedroom to control the 1st floor. When looking at the boiler and the danfoss I can see I only have 2x wires...

Hi all, I thought I had this all wired up correctly but it's not working. Images attached are the hive receiver wired in to what was previously the wires for old fashioned basic thermostats. Then the inside of the boiler and a plug that was connected to an old timer inside the boiler. If...