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Bolier turning on frequently

  • 12-10-2012 9:03pm
    #1
    clvk07
    Registered Users, Registered Users 2 Posts: 123 ✭✭


    Not sure if it was the same last year, but I think the bolier (Bolier Ideal Classic) is going on too quickly. It seems to go on every 4 minutes and staying on for about 1.30 minutes. This with external thermostat set to 21 degrees, and bolier power set to the minimun of 1 (1-6) . Is this normal?
    Thanks


Comments

  • #2
    DGOBS
    Hosted Moderators Posts: 3,496 ✭✭✭DGOBS


    Sounds like either an over sized boiler, or poor circulation, should not be cycling so much


  • #3
    gdavis
    Registered Users, Registered Users 2 Posts: 771 ✭✭✭gdavis


    i was called to same issue on ideal boiler,it turned out the pump was installed wrong way around i.e on the return but pumping away from boiler!!as the pump was very inaccessible it took me quite a lot of heartache before i realised what issue was,and would have been longer only for i quizzed the owner as to work recently done etc. as something was not right,eventually he told me "oh we have had the pump changed 3 times in the last year and a half,is that normal?".so,op a little more info may be invaluable as in,is it a recent phenomenon and have u had any work done on heating,is pump running etc.


  • #4
    DGOBS
    Hosted Moderators Posts: 3,496 ✭✭✭DGOBS


    On a classic (system) with the pump above the boiler in a 1 storey or apartment find they always burn out as cavitating being the highest point in the system


  • #5
    gdavis
    Registered Users, Registered Users 2 Posts: 771 ✭✭✭gdavis


    every day is a school day!! thats one for the notebook,u with ur big words...... cavitation indeed lol


  • #6
    clvk07
    Registered Users, Registered Users 2 Posts: 123 ✭✭clvk07


    gdavis wrote: »
    i was called to same issue on ideal boiler,it turned out the pump was installed wrong way around i.e on the return but pumping away from boiler!!as the pump was very inaccessible it took me quite a lot of heartache before i realised what issue was,and would have been longer only for i quizzed the owner as to work recently done etc. as something was not right,eventually he told me "oh we have had the pump changed 3 times in the last year and a half,is that normal?".so,op a little more info may be invaluable as in,is it a recent phenomenon and have u had any work done on heating,is pump running etc.

    No no work done, just didn't use much over the summer. Not sure if it was doing this before. Today I set the boiler power to 6, and it was on for about 10 minutes, then when I moved to 1, it turned off straight away. But after it started again, about 1 minute on and off for about 4-5 min.


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  • #7
    shane0007
    Closed Accounts Posts: 4,677 ✭✭✭shane0007


    Sounds definitely like a circulation problem, either pump or heat exchanger restriction.


  • #8
    gdavis
    Registered Users, Registered Users 2 Posts: 771 ✭✭✭gdavis


    does pressure rise dramatically when heating on? any water going out safety valve? is pump defo running?


  • #9
    clvk07
    Registered Users, Registered Users 2 Posts: 123 ✭✭clvk07


    gdavis wrote: »
    does pressure rise dramatically when heating on? any water going out safety valve? is pump defo running?

    Not sure how to check these things, I can only see gas burning from the glass window thats it.....
    found the pressure bar (: it seems at 3 when boiler on.
    no other symptons.....

    Worse case scenario whats the most expensive part which could be faulty? Havent' serviced the boiler in the last three years, could just a service do the job?


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