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Electric Shower Problems |
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Titus A Duxass 
Vanorak 
Joined: 12 Feb 08 Location: Lossatal, Germ. Status: Offline Points: 2164 |
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 Posted: 27 Nov 19 at 11:25 |
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Cheers TT
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Bollocks to it all!!
51°24′N 12°52′E |
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tellytubby
Groupie 
Joined: 29 Mar 16 Location: Glasgow Status: Offline Points: 154 |
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Posted: 25 Nov 19 at 13:22 |
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I am not an electrician but my understanding is that with 3 phase star wiring you do not necessarily require a neutral so this setup is probably ok. For it to run you will need all 3 phases connected. It will stop running if one of the phases is disconnected - this is why only one terminal is marked as a switched input. Be aware that the hazard with this setup is that it is live even when apparently switched off! TT
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Titus A Duxass
Vanorak
Joined: 12 Feb 08 Location: Lossatal, Germ. Status: Offline Points: 2164 |
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Posted: 19 Nov 19 at 07:53 |
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Greetings Brickies,
In my rented flat I have a Stiebel Eltron DHB 18kw water heater that should provide enough hotwater to fill a bath/run a shower. It has three temp settings 35/45/55c and it should flow between 9-12 litres a minute at these temps. It does not, if you turn the water on too much the heating drops out and you have a cold shower. I've looked at the wiring and it's a 400v 3 phase set up. The neutral is not connected and the terminals (from Bottom to Top) 2-4 have the three phases connected to them. Across terminals 2 and 3 I have 400v. I am pretty sure that the landlord has wired it up incorrectly. How can I check the wiring out? Cheers Paul  Edited by Titus A Duxass - 19 Nov 19 at 07:54 |
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Bollocks to it all!!
51°24′N 12°52′E |
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