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Setting digital programmer

Discussion in 'Plumbing and Central Heating' started by tomsim, 20 Sep 2021.

  1. tomsim

    tomsim

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    Is anyone a pro at setting salus digital programmers. There's is 6 programs to set a day. But what if you only want it to come on twice a day.
     

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  3. tomsim

    tomsim

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    Also it looks like holiday mode is basically frost stat?
     
  4. lloyda

    lloyda

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    Don't know this programmer, but I would set the on/off times for the unwanted programs to be the same for each program.
     
    Last edited: 20 Sep 2021
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  5. tomsim

    tomsim

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    So kind of just make enough programmes up so it will off. Outside the required times. Seems strange to be tighed to 6 programs a day of not needed.
     
  6. oldbutnotdead

    oldbutnotdead

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    Dunno if it's the same logic as my old Randall- when you've set one on and one off, see what happens (on setting the next event) when you press DOWN (on the hours) til it gets to zero, then try pressing DOWN again. On the Randall you get a - in the display & the step does nowt (you may have to do minutes as well)
     
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  7. tomsim

    tomsim

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    I was thinking of changing the frost setting from 5c to 10c does that sound ok?
     
  8. tomsim

    tomsim

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    Not sure it has 6 programs on and off per day.
     
  9. JohnD

    JohnD

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    on my Honeywell, the holiday setting just does "don't change the temperature setting for x days"

    so it returns to normal programme on, or the day before, you come home.

    You can Up or Down the set temperature once it is in holiday mode, and it will not change until x days have passed.

    IIRC the "unoccupied house" home insurance policy says 12C minimum. It's very cheap to maintain, because in UK it is rare to have long continuous periods very cold, night and day, with no sunlight to give solar gain through the windows.
     
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  11. tomsim

    tomsim

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    So it would be advisable to change the frost stat setting in the stat to 12c?
     
  12. tomsim

    tomsim

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    Holiday mode is basically frost mode, but you can set for how many days it's on?
     

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  13. JohnD

    JohnD

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    Check your home insurance. Pretty sure they will also have an advice booklet or webpage on winter protection

    I found 12C pretty good. House dry and comfortable, did not feel chilly when you went in. (This was a second home)
     
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  14. SFK

    SFK

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    For 'on' twice a day I set it as follows

    06.00. 20 C
    08.30. 10 C
    12.00. 10 C
    13.00. 10 C
    17.00. 20 C
    23.00. 10 C

    That shows that it is aiming for 20 C from 6am untill 8.30 am.

    And aiming for 20 C from 5pm until 11pm.

    At all other times (for example between 11pm and 6am) it is aiming for 10 C (ie off unless very cold).

    You could set the 11pm one to be 14 C so that at night (between 11pm and 6am) it never gets too cold. Like this

    06.00. 20 C
    08.30. 10 C
    12.00. 10 C
    13.00. 10 C
    17.00. 20 C
    23.00. 14 C


    This also works well to start warming house on cold night a little before I actually wake up.
    04.00. 16 C
    06.00. 20 C
    08.30. 10 C
    13.00. 10 C
    17.00. 20 C
    23.00. 10 C


    Note that the times have to increase one after another in each programme slot otherwise it can fail to work properly.
     
    Last edited: 21 Sep 2021
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  15. tomsim

    tomsim

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    Thanks what do you mean by times will have to increase one after another in each slot?
     
  16. SFK

    SFK

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    I have seen it crash when it is programmed like this.

    06.00. 20 C
    06.00. 20 C
    08.30. 10 C
    13.00. 10 C
    17.00. 20 C
    23.00. 10 C


    Or like this

    06.00. 20 C
    09.00. 20 C
    08.30. 10 C
    13.00. 10 C
    17.00. 20 C
    23.00. 10 C

    Each time in the next slot has to be greater than the time in the last slot.
    Might not be possible to make this mistake on yours, but on some it is.
     
  17. SFK

    SFK

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    Ps write it in paper first - makes it easier to consider options and to programme. And to remember what you programmed in the previous day.
     
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