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Installing an Immersion Timer

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  • 04-10-2014 3:47pm
    #1
    ratsam
    Registered Users Posts: 248 ✭✭


    Bought an APT IMM24EC timer to install after my immersion switch. Was about to start but noticed the immersion cable is 4 core (brown, blue, black and earth) but the diagrams only show wiring for 3 core cables (live neutral and earth). Any ideas...?

    Rats


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    #2
    Pete67
    Registered Users Posts: 1,257 ✭✭✭Pete67


    It's a four core cable because the sink and bath heating elements are switched separately. You can install the timer before the sink/bath switch.


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    #3
    Sir Arthur Daley
    Closed Accounts Posts: 6,720 ✭✭✭Sir Arthur Daley


    ratsam wrote: »
    Any ideas...?

    Return it to shop and buy a different make, them apt timers are very unreliable. When its switching a load of an immersion it will most definitely calf before long.


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    #4
    ratsam
    Registered Users Posts: 248 ✭✭ratsam


    Pete67 wrote: »
    It's a four core cable because the sink and bath heating elements are switched separately. You can install the timer before the sink/bath switch.

    Where the switch is installed I've no space to do that! Also the wiring diagram says to install it after the switch... So between the existing switch and immersion. Can I somehow ignore one of the cables? Probably one associated with the sink/bath switch?


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    #5
    Robbie.G
    Registered Users Posts: 1,884 ✭✭✭Robbie.G


    ratsam wrote: »
    Where the switch is installed I've no space to do that! Also the wiring diagram says to install it after the switch... So between the existing switch and immersion. Can I somehow ignore one of the cables? Probably one associated with the sink/bath switch?

    You can't switch a dual immersion with that switch.As far as I know there isn't a timer that can switch a dual immersion directly.When it states fit after the existing switch it is meant fit a single element willis heater.The only way to fit it is to fit a back box before the switch divert the live supply to the timer and fit there Also as sir Arthur says get rid of that timer get a hortsmann e15 timer far better quality


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    #6
    scudo2
    Closed Accounts Posts: 2,008 ✭✭✭scudo2


    Timer goes on the L N E supply to the immersion switch, not after.

    Legaly should only be fitted by a regestered electrican I might add.


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    #7
    Sir Arthur Daley
    Closed Accounts Posts: 6,720 ✭✭✭Sir Arthur Daley


    This such job can be completed by any competant person.


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    #8
    deandean
    Registered Users Posts: 2,229 ✭✭✭deandean


    you have to install the timeswitch before the sink / bath switch. the timeswitch needs a permanent supply, otherwise the clock would stop whenever you switch off the immersion.
    And I have an APT immersion timeswitch installed here for 12 years and it is still working perfectly.


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    #9
    ratsam
    Registered Users Posts: 248 ✭✭ratsam


    Installing it before the switch makes loads of sense I agree but the diagrams show it after....? Odd. Regardless I'm going to leave it to an electrician friend to sort out. Thanks for the input!


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    #10
    Sir Arthur Daley
    Closed Accounts Posts: 6,720 ✭✭✭Sir Arthur Daley


    Have seen where the timer is fitted with a permenant supply looped off immersion switch and the neutral of the immersion is switched through the timer.


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    #11
    scudo2
    Closed Accounts Posts: 2,008 ✭✭✭scudo2


    Sir Arthur Daley wrote: »
    This such job can be completed by any competant person.

    U sure ?
    I've no problem with doing it but when I rang RECI their answer was that we can replace but not alter existing immersion supplys/showers/heavy loads as a plumber.
    A lot of conflicting information out there !

    Luckly it's not in my line of paying work nowadays.

    ps. I'm not douting you, it's simple work for a good person IMHO


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    #12
    danjo-xx
    Registered Users Posts: 5,393 ✭✭✭danjo-xx


    timer should have first call on da feed so goes before the switch, and switch set to sink. Don't think anyone would need to put a bath on a time setting.


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    #13
    Sleeper12
    Registered Users Posts: 16,917 ✭✭✭✭Sleeper12


    Sir Arthur Daley wrote: »
    This such job can be completed by any competant person.

    Agreed but sadly op obviously doesn't fall under competent. He should definitely call in a professional


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    #14
    scudo2
    Closed Accounts Posts: 2,008 ✭✭✭scudo2


    Sleeper12 wrote: »
    Agreed but sadly op obviously doesn't fall under competent. He should definitely call in a professional

    To OP.
    Competent legaly means a lower qualification in electrics ie. a plumber or similar, who holds an electrical qualification in his trade. (as an example) not a fully qualified electrican.

    Not douting your ability and no offence intended to anybody else.

    Been competent is a totaly different interpitation of the competency rules I'm afraid.


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    #15
    Sir Arthur Daley
    Closed Accounts Posts: 6,720 ✭✭✭Sir Arthur Daley


    Sleeper12 wrote: »
    Agreed but sadly op obviously doesn't fall under competent. He should definitely call in a professional

    Thats very harsh on the op :eek:


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    #16
    Sleeper12
    Registered Users Posts: 16,917 ✭✭✭✭Sleeper12


    Sir Arthur Daley wrote: »
    Thats very harsh on the op :eek:



    Not trying to be mean but anyone who doesn't know where to put a timer, before or after immersion switch is not a competent person described in the new rules.

    Not trying to put down op. Thinking safety here.


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