Recent content by agent007

  1. A

    Replacing LP711 Controller with Honeywell CM927

    Sorry. The two live wires in Terminal 3 from the timer are the live wire for the circulating pump and the live wire for the boiler. This was so that they both becam live on when the timer switched on
  2. A

    Replacing LP711 Controller with Honeywell CM927

    Stem, your wiring dia was spot on. When the old timer control switched on, the pump and boiler came on together. When the boiler got to max temp the flame went out, until it cooled down a bit then it would fire up again (this could happen two or three time in a 5 min period). But the pump kept...
  3. A

    Replacing LP711 Controller with Honeywell CM927

    The Boiler is a Ideal Classic FF250 and the pump, which is separate, is a Myson Compact CP53
  4. A

    Replacing LP711 Controller with Honeywell CM927

    Quick update. Fitted the CM927 over the weekend as per the wiring diagram above and all working OK :D Many thanks Stem Just one quick question. My old controller was a timer version so the pump was running continuous while the heating was on. With the CM927 the pump switches off and on...
  5. A

    Replacing LP711 Controller with Honeywell CM927

    Thanks Stem. I hadn't thought about including the mains feed in the junction box and only having one cable to the receiver. I was going to have two cables to the receiver, the combined pump/boiler as one and the mains as the other. Your way is much more tidy. Cheers Philip
  6. A

    Replacing LP711 Controller with Honeywell CM927

    Hi Stem, thanks for the reply. I’m going to show my ignorance now by saying I’m sure if its Y or S plan. The system consists of the small red pressure tank that is connected to mains water (it has a stop tap on and is only topped up when the pressure is low), the pressure tank feeds the boiler...
  7. Untitled

    Untitled

  8. Central Heating

    Central Heating

  9. A

    Replacing LP711 Controller with Honeywell CM927

    Hi I wish to replace my Lifestyle LP711 controller with a wireless control CM927. Before I embark on anything I noticed that the boiler and pump are both wired separately into the LP711 (boiler and pump are separate). Can this be done and what wiring diagram would I follow (or can anyone send...
Back
Top