Triassic Posted August 27, 2017 Share Posted August 27, 2017 With all this talk of cylinders, I thought this piece of research would interest some of you. The research project’s aim was to provide a definitive answer to how effective a copper coil type heat exchanger was, in comparison to that of a stainless steel coil. The results of the report found that using a copper hot water cylinder on an exact like for like specification reduced the heat up time of the water by 28.8% over stainless steel. https://www.mcdonald-engineers.com/sites/mcdonald/files/copper_v_stainless_research_report_-_small.pdf 1 Link to comment Share on other sites More sharing options...
ProDave Posted August 27, 2017 Share Posted August 27, 2017 Yes, but isn't the choice of Stainless to get long life? Talk about a report missing the mark....... Link to comment Share on other sites More sharing options...
Stones Posted August 27, 2017 Share Posted August 27, 2017 The main part of McDonalds business is Copper... I've been round their factory in Glenrothes, a very slick operation, and found them very helpful to deal with. They also make stainless steel cylinders, although that's a much smaller part of their operation. Link to comment Share on other sites More sharing options...
Nickfromwales Posted August 27, 2017 Share Posted August 27, 2017 That's bedtime reading at 51 pages long, plus most of my books are mostly pictures Staimless UVC's from Telford also have a lifetime warranty , with the TS's having a 10 year. Not sure why the TS's are less, probably to do with the fact they're usually full of grotty system water or brine. Link to comment Share on other sites More sharing options...
joe90 Posted August 27, 2017 Share Posted August 27, 2017 58 minutes ago, Nickfromwales said: That's bedtime reading at 51 pages long, plus most of my books are mostly pictures Staimless UVC's from Telford also have a lifetime warranty , with the TS's having a 10 year. Not sure why the TS's are less, probably to do with the fact they're usually full of grotty system water or brine. I'm with you on picture books Nick, do you have one I could borrow on UVC installations ? . Link to comment Share on other sites More sharing options...
Nickfromwales Posted August 27, 2017 Share Posted August 27, 2017 1 minute ago, joe90 said: I'm with you on picture books Nick, do you have one I could borrow on UVC installations ? . Nope. As a business initiative I bought them all and destroyed them. 1 Link to comment Share on other sites More sharing options...
Nickfromwales Posted August 27, 2017 Share Posted August 27, 2017 If your DIY'ing it, apart from the G3 commissioning, then ask @Stones about the sheer simplicity of buying a pre-plumbed unit . Just be sure you bring D2 into the room at as near to floor level as you can so you've got the required minimum vertical drop AFTER the tundish. Link to comment Share on other sites More sharing options...
dpmiller Posted August 27, 2017 Share Posted August 27, 2017 It's an interesting document, and for a couple of reasons. AFAIK UOU Jordanstown has their own energy research centre so it makes me think that the report is more Copper Industries than theirs. Yet CI don't seem to have it on their website and their opposition- McDonalds- do? Link to comment Share on other sites More sharing options...
Nickfromwales Posted August 27, 2017 Share Posted August 27, 2017 Hmmm. A conspiracy theory is born. ? Link to comment Share on other sites More sharing options...
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