Search results

  1. I

    Central heating timer replacement

    Changed it over today to the new timer, worked first time. Thank you both for the advice and help with the wiring, it had me scratching my head.
  2. I

    Central heating timer replacement

    Ok thank you
  3. I

    Central heating timer replacement

    Could this go on the cylinder? And wire it like the room stat but giving live to the boiler?
  4. I

    Central heating timer replacement

    There’s no thermostat on the hw cylinder by the way. I think there was one by the boiler but it’s been disconnected. Should there be one and could one be fitted somehow and where
  5. I

    Central heating timer replacement

    Sorry to keep going on about it. I’ve got my head around the wiring now, thank you. So if I put the pump via the room stat, and the boiler from the time switch term 4, then the time switch will control the hw and the room stat control the ch? And so could work independently, timer saying on so...
  6. I

    Central heating timer replacement

    Just to confirm, only the pump via the room stat, not the boiler?
  7. I

    Central heating timer replacement

    So is it possible to use the RWB30E on this system and what connections would need to be made?
  8. I

    Central heating timer replacement

    Wiring As it is, is as follows Terminal 1 boiler and pump neutrals and blue from room stat Terminal 2 yellow from room stat Terminal 3 red from room stat Terminal 4 boiler and pump lives Terminal 5 empty Terminals 6/7/8. Power from fused spur and earths Now, following the room stat cables...
  9. I

    Central heating timer replacement

    It is an old gravity hw and pumped ch system, oil fired boiler if that makes any difference. I’m not at the house today but will check it as soon as I can. I believe the hot water is connected to the heating system but it wasn’t getting hot enough hence using the immersion.
  10. I

    Central heating timer replacement

    Thanks for the reply stem The boiler is only used for heating, not hot water, they use the immersion heater for hot water. So could this still be used. There’s no valve on the system, just wires to boiler, pump and thermostat
  11. I

    Central heating timer replacement

    Hi all, hoping for some help with this one. I’m changing a danfoss 3060 timer controller to a Siemens RWB30E. The wiring going to the existing timer are boiler, pump and room thermostat. The pictures and drawing show the existing timer wired up, drawing of existing wiring and new connections...
Back
Top