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Recent content by engineerSteve

  1. engineerSteve

    Diagnosing heating system fault

    Finale: First thank you to each of you that contributed your knowledge to my question. I was going to just rewire the pump but when I disconnected the LNE from the programmer I was curious as to why only CH on and OFF were wired to well any thing! I know most configurations have CH OFF T2...
  2. engineerSteve

    Diagnosing heating system fault

    Hello thanks for looking at the thread. Here is the information you asked for: Boiler is a Grant Vortex Eco 26-35. https://www.grantuk.com/wp-content/uploads/2015/05/Grant-Vortex-Eco-External-installer-DOC-0081-Rev-3.1-June-2015.pdf The wiring diagram is on page 37 fig 27. I have searched...
  3. engineerSteve

    Diagnosing heating system fault

    Oh yes to Picasso no frost stat
  4. engineerSteve

    Diagnosing heating system fault

    Thank you all for your comments, family emergency took me away from the problem however I have swapped out the Drayton mid point actuator and that has cures all but one issue. The pump still runs all the time. I have now documented all the connections and find that the pump is always on because...
  5. engineerSteve

    Diagnosing heating system fault

    Hello, I have a situation that may resonate, I think there could be two faults: Situation: excessive oil being used in heating/hotwater system, pump never turns off, radiators often hot even when programme is set to off/off. There is a drayton motorised valve on a Y valve Often one can hear...
  6. engineerSteve

    Knowledge is fine experience helps

    Knowledge is fine experience helps
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