Recent content by Steveo_1967

This is where I am so far. I have Identified the CH ON, HW ON and the HW OFF wires. All that remains is the Grey or Blue wire that connects to all the other blue wires in the "Control Centre"

My bad, the question should be where does the grey (blue) wire go. Ive had a closer look at the rats nest and it appears to connect to all the other blue wires in the "Control Centre". I assume this is a Neutral??? Do I connect this to the Main Neutral on the Hive controller?

Chris, Many thanks for that, I have identified the HW OFF Black Wire now. Only question remaining is what the hell is the other black wire for? It connects to the Red wire on a cable with Red, Blue, Yellow and earth..?

OK, this is a photo of the "Rats Nest"! From what I can see, the control wires are as follows: Black Wire 1 connects to Grey on the Valve and Yellow on the Tank Thermostat. Black Wire 2 connects to Red on what I assume is the boiler cable. Brown goes to the Red wire on the Thermostat Grey...

Hi Chris, I took the front off the "Wiring Centre", it's a nightmare! Just a rats nest of wires connected using single pieces of connector strip! No wiring centre at all. I will try and separate it out so you can take a look at it. I think my next job is to replace this with a proper wiring centre!

Hi Chris, thanks for taking the time to answer. Unfortunately, the original controller had been removed before I took over the property. The boiler seems to be working fine and the immersion heater is working, just don't want to short anything out while trying to reconnect the controller!

Hi, i'm hoping someone out there can help me. I have an old central heating system with a conventional boiler. Im trying to replace the control with a dual channel Hive unit but I'm a bit stumped on the wiring! The backbone for the control unit has two cables, one mains power (red, black and...