Adding Evohome to 25+ year old CH system...

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  • garmcqui
    Automated Home Guru
    • Jan 2015
    • 119

    #31
    Yup, set it up as one hot water relay and a boiler relay. Set it to 3 per hour and minimum on time of 5mins.

    What does the "Hot Water Overrun" feature do?

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    • The EVOHOME Shop
      Site Sponsor
      • Dec 2014
      • 483

      #32
      It is on here somewhere, but basically a overrun to prevent heat blocking of the heat exchanger after hot water demand.

      I am assuming you did 'hot water only' on hot water guided config?

      Comment

      • top brake
        Automated Home Legend
        • Feb 2015
        • 837

        #33
        Originally posted by garmcqui View Post
        Yup, set it up as one hot water relay and a boiler relay. Set it to 3 per hour and minimum on time of 5mins.

        What does the "Hot Water Overrun" feature do?
        leaves hot water zone valve open a while after switching off heat demand

        only available on Fig 4 application with single hot water valve and boiler relay
        I work for Resideo, posts are personal and my own views.

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