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  1. L

    New combi install, help needed

    Man, you should see the pipework. I questioned him on it and he gave some fair answers but still... looks shocking. There was another reason for getting the boiler done, there was a small leak from an en suite shower, behind the cylinder, behind the wall. That would have cost a lot of money to...
  2. L

    New combi install, help needed

    Hi All, So I decided to switch from a system to combi boiler, a 35kw unit rated for 16ltr/m. Stopcock has a non return and pressure limiting valve, currently 3.0 bar static. It's just me in the property so I was looking forward to the mains pressure shower. I'm getting just over 6ltr/m from...
  3. L

    I only get heating when water's on

    I'll just recap quickly, the original problem seemed to have resolved itself, might have been a stuck valve. A while ago an engineer fixed a leaky exchange unit but also swapped one of the wires in the timer loom which means whenever there is power to the timer the CH pump is on. That's where...
  4. L

    I only get heating when water's on

    Echo.....echo....echo..... Still nothing? :( Was it something I said? 8)
  5. L

    I only get heating when water's on

    Whipped the timer off..... From what I can tell I need to swap one of the reds in "L" to either 2 or 4? I stuck a little black square on the pic because the flash made it look like there was something in 1
  6. L

    I only get heating when water's on

    I was only joking about the pixies ;) The other wire goes to the water heating unit. I don't know where the yellow in t9 comes from, how would I find out? I'm guessing the other end of T10 must be on some kind of 'common' circuit in the timer, which I'll need to change over to the CH...
  7. L

    I only get heating when water's on

    Right, CH is on the ACL, this should be a hoooge image..... http://i35.tinypic.com/b8pzt.jpg Smaller version..... Timer, mains on but both HW and CH off Grey : Perm live Brown5 Nil Brown7 trace Orange Yes HW on G: Y B5: N B7: Y Or:Y CH on G: Y BR5: Y BR7: N Or: Y...
  8. L

    I only get heating when water's on

    I really appreciate the help. So we're still fault finding and I need to break out the volt meter and test which wires are live when ch is on, hw is on and both. Will test and report back! :wink:
  9. L

    I only get heating when water's on

    It looks like we have grey, orange, brown and blue. So you're thinking the wiring in the loom (at the timer) is ok and to find the part number and order a new myson? Thanks L
  10. L

    I only get heating when water's on

    Hi Kevin, Thanks for taking the time to respond, the ACL is indeed a motor on spring off (from the sound of it, although I haven't noticed it make the sound since this problem has arisen) Little bit of back history to try and answer your question.... My pressure exchange unit (I think...
  11. L

    I only get heating when water's on

    Hi all, I awoke today to find that my central heating doesn't work so started googling and it has led me here, seems like a great site for this kind of thing. I've been reading a few posts and here's what I've deduced, please tell me your thoughts. At first I was getting no click from...
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