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UK diy (uk.d-i-y) For the discussion of all topics related to diy (do-it-yourself) in the UK. All levels of experience and proficency are welcome to join in to ask questions or offer solutions. |
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Mains Relay
Son's house is wired so he can, via his iPhone and home wifi, control
his central heating etc. etc. from the train. Not sure what system, but it has a controller for the heating and a separate controller for the immersion. The heating is OK, but he didn't read the spec and the immersion took so much current that the controller died. He has now, with some drawings from me, wired in a 30A rated relay with 230v ac coil. I bought him a box to mount it in, but it apparently isn't decorative enough for his walk-in airing cupboard, so as a very temporary measure he has wired it all up al fresco via the old immersion isolator switch. He reports that it all works well except for the buzzing from the relay coil, which is bound to get louder when it's mounted in a box on the wall. I have said I'll ask around to see if anyone knows whether all this type of relay is noisy, or whether anyone knows how to select a silent type. -- Bill |
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