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Immersion heater trip switch

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  • 22-10-2012 4:44pm
    #1
    Philm_12
    Registered Users Posts: 143 ✭✭


    This one has me beaten! The dual immersion in question was fitted new a few months ago. Several times in recent weeks the trip switch on it has tripped. I have checked everything as far as possible and cannot find the problem.
    If it even happened all the time, it would make more sense to me.
    So I am wondering what I have missed in my checks.


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    #2
    Bruthal
    Closed Accounts Posts: 13,422 ✭✭✭✭Bruthal


    Philm_12 wrote: »
    This one has me beaten! The dual immersion in question was fitted new a few months ago. Several times in recent weeks the trip switch on it has tripped. I have checked everything as far as possible and cannot find the problem.
    If it even happened all the time, it would make more sense to me.
    So I am wondering what I have missed in my checks.

    Which tripswitch, the one in the mcb board? Is it an RCBO or RCD tripping?

    If its an RCBO or RCD it is likely the element gone faulty. But not certainly.


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    #3
    Philm_12
    Registered Users Posts: 143 ✭✭Philm_12


    robbie7730 wrote: »

    Which tripswitch?

    The trip switch button on the immersion itself. Didn't have one on the old immersion - thank God!!


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    #4
    Bruthal
    Closed Accounts Posts: 13,422 ✭✭✭✭Bruthal


    Philm_12 wrote: »
    The trip switch button on the immersion itself. Didn't have one on the old immersion - thank God!!

    Are you heating the cylinder with gas/oil fired heating at all?


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    #5
    Avns1s
    Registered Users Posts: 3,422 ✭✭✭Avns1s


    Turn down the thermostat in the immersion, (under the cover - turn off the power when you're doing it).


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    #6
    Philm_12
    Registered Users Posts: 143 ✭✭Philm_12


    Nope - electricity only.


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    #7
    Bruthal
    Closed Accounts Posts: 13,422 ✭✭✭✭Bruthal


    Philm_12 wrote: »
    Nope - electricity only.

    The immersion element could be heating the water too much, check the thermostat setting.

    But if it is only heating the water to 65c or so, then the trip stat is tripping too early. They should be tripping it at a fair bit higher temp than that, but check what the setting is on the immersion thermostat dial under the cover anyway, and reduce to 65 if it is higher than that. Power to immersion off first.


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    #8
    meercat
    Registered Users Posts: 4,745 ✭✭✭meercat


    the over heat switch on the immersion can operate if your central heating is set too high

    turn the thermostat that controls the water temperature of your boiler down

    an overrun on your central heating pump will help

    have come across this problem frequently


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    #9
    meercat
    Registered Users Posts: 4,745 ✭✭✭meercat


    robbie7730 wrote: »
    Are you heating the cylinder with gas/oil fired heating at all?

    think you were on the right line here robbie;)


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    #10
    maxamillius
    Registered Users Posts: 1,136 ✭✭✭maxamillius


    i think some of those overheats are calibrated wrong,i have had numerous people call me because of there overheat constantly tripping!you just need to trial and error really to get correct water temp!


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