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Thanks for reply T8 does go dead when I turn HW Stat right down. 1. When you say where does Yellow in T8 go, do you mean the other wires in that Cable? If so Red goes to T9, Blue T2, yellow/Green T3 Your other 2 questions 2. Where does yellow (grey cable) connected to black in terminal...

Any more advise on where the loose wire goes please?

Sorry, my Boiler is Glowworm Ultimate 40ff White Cable goes to Thermostat on HW Cylinder In the Junction Box Terminal 8 only becomes live when HW is switched on, but still no boiler start up. Anything Else I need to do?

Like I say the Black plate and wires in the Junction box are back to how they were before I installed the wireless stat. I think the Black must have come out of the Terminal Block at the back of the Programmer plate but I don't know where?

1. The white Cable, which is the only wire the same in the Junction box goes to the HW Cylinder. The two Black wires at the Junction Box End go to Terminal 8. 2. Yes the White Cable above the terminal block is where the loose black wire comes from. 3.The other wires from the white cable go as...

Hi D_Hailsham I know I'm a pain but you have been very good to me so far. Any Ideas? Would this wire make the boiler not start up or is it something else now?

Hi, More Problems. I thought everything was OK but my boiler is not starting up on HW or CH now. I have been away, I put it on HW tonight, the boiler started up fine at first then after a about 10 minutes it cut out and now I can not get it started on HW or CH. Programmer lights come on but...

Thank you for your help, I follwed it step by step almost right to the end then I noticed that the extended wire going to the relay had come loose. Fixed it and it seems to be working ok now. Last question is I want to plant the wires in the wall coming from the programmer to the relay. If I...

Thanks for the diagram, I'm still a bit confused. This is what I have done so far Remove wire from 4 in prog and join to B in relay, also as before. You also need to connect 4 in prog to A in relay. The link in junction box is a short wire that joins together the 2 terminals that the old...

What so do I put old thernostat back where it was in the junction box, turn it up to full and still leave the link wire in the junction box?

Back on this job again. Wired up as per instructions. HW OK, Boiler comes on. Wireless stat is turning relay on and off like it should but the Boiler is not starting up. Any ideas what I have wrong? Thanks

I will have a go at it again another night. I have to go out now. Thanks for the help

I have put everything back to how it was and boiler starts up OK on HW and heating now. I get 240v on the terminal holding the 2 blacks and the orange when I switch the HW on. Or do you mean for me to try and test just the orange wire alone?

Yes do have a meter

All the lights are working on the programmer but the boiler is not starting up. Does it matter weather I link T4 and T5 at the top of the terminals or the bottom? I linked the top