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Immersion heater - economy 7 timer wiring

Former Community Member
Former Community Member
Hello,


I have a honeywell st6400c controller and an immersion heater. 

My heater has 2 switches, off and on peak. My concern is that the heating works only with both switches on. Even if its set to trigger at off peak time only, which it does, both switches light up and if I switch off the onpeak one, the heating stops even tho the offpeak is still lit (testing this at off peak hours ofc). Is this correct ? does this not use much more electricity? I was monitoring this and Im sure it goes against the "night" hours, but my worry is that it uses much more power than it should.

Thank you for your advice

Tom
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    Tom Luknar:

    Hi,


    cant upload a picture i keep getting some system error msg. 


    anyway, its an electronic radiator which has got a little box attached to itself at the bottom corner - from which goes a wire to a socket with a switch on it. 


    As Sparkingchip says " So it sounds like someone has made up a homespun control unit using relays." so without actually seeing everything would be imposible to even guess what is going on.

    Edit to add I would be getting on to the meter operator as it would appear you are all electric and that could be a large load returning on the neutral wich at best is onlt a 10mm.


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  • 0
    Tom Luknar:

    Hi,


    cant upload a picture i keep getting some system error msg. 


    anyway, its an electronic radiator which has got a little box attached to itself at the bottom corner - from which goes a wire to a socket with a switch on it. 


    As Sparkingchip says " So it sounds like someone has made up a homespun control unit using relays." so without actually seeing everything would be imposible to even guess what is going on.

    Edit to add I would be getting on to the meter operator as it would appear you are all electric and that could be a large load returning on the neutral wich at best is onlt a 10mm.


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