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Topic Title: Scalemaster showers
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Created On: 03 July 2013 08:18 PM
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 03 July 2013 08:18 PM
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Avatar for frspikeyhead.
frspikeyhead

Posts: 804
Joined: 27 December 2004

Fitted a 9.5KW scalemaster shower which was replacing an existing 8.5KW scalemaster which is on a 40mcb and a 6M run of 6mm. The shower only pulls 34A on max and doesn't exactly get hot on full power. Any ideas other than faulty?
 03 July 2013 08:37 PM
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perspicacious

Posts: 7221
Joined: 18 April 2006

What Zs did you measure?

Regards

BOD
 03 July 2013 08:39 PM
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daveparry1

Posts: 6169
Joined: 04 July 2007

Probably have too good a supply of cold water! If there's a service valve in series try throttling it back a little bit,

Dave.
 03 July 2013 11:06 PM
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Avatar for AncientMariner.
AncientMariner

Posts: 513
Joined: 14 December 2004

Voltage on-load?

Cheers!

Clive

-------------------------
Clive S Carver GCGI IEng MIET
 04 July 2013 09:03 AM
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alancapon

Posts: 5763
Joined: 27 December 2005

I agree with Clive. What is the voltage at the terminals in the shower when it is running - it is possible that volt-drop on your 6mm supply cable is the issue here!

Regards,

Alan.
 04 July 2013 09:34 AM
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daveparry1

Posts: 6169
Joined: 04 July 2007

I wouldn't think thats very likely on a 6m run of 6mm t/e Alan?

Dave.
 04 July 2013 09:39 AM
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Avatar for Parsley.
Parsley

Posts: 995
Joined: 04 November 2004

It's going to be below 210V at the load end to only be drawing 34Amps.

Regards
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