help to wire programmable room thermostat

Collapse
X
 
  • Filter
  • Time
  • Show
Clear All
new posts
  • loco
    Automated Home Lurker
    • Jan 2006
    • 2

    help to wire programmable room thermostat

    Help needed
    I have just bought a Honeywell cm67 programmable thermostat to replace an ancient Sunline Proscon and give me more control, problem is the Sunline has four wires Red (L), Blue(N) and Yellow + earth and the Honeywell has only two terminals, i have fitted the L & N as per the diagram but this just blows the fuse, can anyone help by telling me what i need to do with it to stop it blowing fuse's??
  • Sigma5
    Automated Home Lurker
    • Jan 2006
    • 2

    #2
    Re: help to wire programmable room thermostat

    The CM67 is battery powered it is only used to switch the boiler, I would be pretty certain that you only connect the red & the yellow.
    Red = Live
    Yellow = Switched live to boiler

    Comment

    • loco
      Automated Home Lurker
      • Jan 2006
      • 2

      #3
      Re: help to wire programmable room thermostat

      Thanks for your help on this one, you were spot on , it's working fine.
      Firts time that i have used this site!
      Thanks for the advice.

      Comment

      Working...
      X