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RF (?) Interference

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Jimbo:
Ok, so not on a Landy - but on my TV at home !

I changed the shower and pump, used the same fused spur and now when the pump runs I get flickering marks running across the TV screen. The interference was not present with the old pump.

Anyone got any suggestions ?

I've spoken to the manufacturer, they suggested 'uncrossing any crossed cables'...... :roll: , but nothing is crossed !

Ta,
Jim

Wanderer:
I don't have the answer for you but the avenue you need to be going down is EMC.
ElectroMagnetic Compatibility
The shower should be EMC compatible and there are regulations.
It could be a poor connection but with X KW running to the shower I'd doubt it unless it's on the pump side of things.

Is everything earthed properly.
Laws that came out in January this year mean that you can't fit it yourself so your comeback should be with the manufacturer or the installer.

Ed

muddysteve:

--- Quote from: "Wanderer" ---I don't have the answer for you but the avenue you need to be going down is EMC.
ElectroMagnetic Compatibility
The shower should be EMC compatible and there are regulations.
It could be a poor connection but with X KW running to the shower I'd doubt it unless it's on the pump side of things.

Is everything earthed properly.
Laws that came out in January this year mean that you can't fit it yourself so your comeback should be with the manufacturer or the installer.

Ed
--- End quote ---


As a sparky ive seem loose conections cause this lots of times, make sure the fuse spur connections really tight

as far as you not being able to do it yourself i think you'll find that connecting to a fused spur isnt classed as working on the "fixed wiring installation" and therfore can be done by anyone

Steve

Jimbo:
Cheers for the replies, I too was thinking along the lines of EMC - the new pump is CE marked, and the spur is fused at 3A (as per the instructions) - it's not a 'power shower', just a pumped hot and cold system.

I'm going to double-check the wiring today, and run a temporary (plug on the shower and extention lead) supply in case the problem is with the wiring to the spur.

What concerns me slightly is that when I spoke to the manufacturers 'helpline' yesterday, they mentioned about checking for 'crossed wires' and said that they may have to raise a field call and get an engineer to fit a cage.......I'm assuming that they have had this problem before, and have some sort of Faraday cage thing that bolts around the pump - not what SWMBO wants in her airing cupboard  :(

Jim

Hightower:

--- Quote from: "Jimbo" ---I changed the shower and pump, used the same fused spur and now when the pump runs I get flickering marks running across the TV screen.
--- End quote ---

You're a bit posh aren't you Jim, having a TV in the shower ? ? ? ?

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