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  1. P

    Just try to connect a Honeywell BDR 91 to replace a CM907 i

    Ok, thanks for your help. Regards Pete
  2. P

    Just try to connect a Honeywell BDR 91 to replace a CM907 i

    But you see why I asked the question? Pete
  3. P

    Just try to connect a Honeywell BDR 91 to replace a CM907 i

    So are you suggesting that the link between the L's are not switching, that is a straight through live connection to the boiler? Regards Pete
  4. P

    Just try to connect a Honeywell BDR 91 to replace a CM907 i

    I must be going mad, the neutral comes in and splits to the boiler and the BDR91, but the live comes in directly to the BDR91 then to the boiler doesn't it? Regards Pete
  5. P

    Just try to connect a Honeywell BDR 91 to replace a CM907 i

    If you look back to page 1 on the 23/3/13, the first post from JonCa, the Combi diagram on the top right. REgards Pete
  6. P

    Just try to connect a Honeywell BDR 91 to replace a CM907 i

    That diagram was added later. Pete
  7. P

    Just try to connect a Honeywell BDR 91 to replace a CM907 i

    OK, But the red lines are not on the original Honeywell diagram. I assumed someone Photoshop'd them in. Regards Pete
  8. P

    Just try to connect a Honeywell BDR 91 to replace a CM907 i

    The one for the Combi boiler. Regards Pete
  9. P

    Just try to connect a Honeywell BDR 91 to replace a CM907 i

    I know this thread is quite old now, but I just found it looking for advice on installing this exact same unit. On the diagram shown by JonCa on 1/2/13, the live supply seems to go through the BDR91 to the boiler, but as far as I can see, this would mean that the boiler will only work when the...
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