HELP PLS Replacing Danfloss RMT 230 With Drayton Rts8

Discussion in 'Electricians' Talk' started by Tim Blundell, Jan 17, 2019.

  1. Tim Blundell

    Tim Blundell New Member

    Afternoon all I'm sure this is so simple BUT having problems .

    Trying to replace an old. Danfloss RMT 230 with a new Drayton RTS8

    Following the instructions every combination I try as blowing the 3A fuse for the controller .

    Any help much appreciated with sorting the wiring
    First image is the old Danfloss

    Second the new Drayton
    Programmer is Centaurplus C27


    Thanks Tim
     

    Attached Files:

  2. Mike83

    Mike83 Screwfix Select

    Blue is neutral.
    Red live.
    Yellow - 3. On the new stat.

    Was the old stat working?

    Does is still blow the fuse if you join the red and yellow together?
     
  3. Tim Blundell

    Tim Blundell New Member

    Hi Mike thanks for taking the time old stat wasnt working.

    I'll try now cheers
     
  4. Tricky Dicky

    Tricky Dicky Screwfix Select

    Blue N Neutral
    Red L Live
    Yellow 3 Switched Live output
     
    Tim Blundell likes this.
  5. Tim Blundell

    Tim Blundell New Member

    Thanks gents Boiler now firing and fuse not blowing, but thermostat although is "clicking" not affecting the boiler at all its constantly on regardless of temp on thermo
     
  6. Mike83

    Mike83 Screwfix Select

    I’ve had reliability issues with this stat before.
    Let the stat heat up a little then see if it turns off.
     
    Tim Blundell likes this.
  7. Tim Blundell

    Tim Blundell New Member

    Mike seems to have settled down now. Increased stat and boiler has fired .

    Thanks for your help mate
     

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