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DIY Forum >> Plumbing Questions >> Question on hooking up my new oil boiler https://www.askthetrades.co.uk/cgi-bin/yabb/YaBB.pl?num=1274707264 Message started by pryantcc on May 24th, 2010, 2:21pm |
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Title: Question on hooking up my new oil boiler Post by pryantcc on May 24th, 2010, 2:21pm Hi Everyone, I'm about to hook up my new oil boiler. It has 4 outlets, one on each side at the top and one on each side at the bottom. I realize return should go to the bottom and flow to the top, but I am wondering if there is any benefit to connecting flow and return to opposite sides of the boiler so that the water is drawn across it as well as upwards through it. I’d be interested to hear any views or theory on the subject. Thanks, Paul. |
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Title: Re: Question on hooking up my new oil boiler Post by CWatters on May 24th, 2010, 5:49pm On our Grant oil boiler I believe there was one flow pipe fitted with an elbow that could be rotated so it exits the boiler on the left or the right. eg it makes no difference which side as it's the same pipe where it matters. I've no idea about other makes, have a look in the back of the boiler. You will be getting a professional to commission it for you won't you. |
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Title: Re: Question on hooking up my new oil boiler Post by pryantcc on May 24th, 2010, 9:35pm CWatters wrote on May 24th, 2010, 5:49pm:
I realise I'm opening myself to a barrage here, but no, I was going to commission it myself! The instruction manual is pretty thorough. The factory say they have pre-set the oil pump pressure (I'd check it but I don't have a guage) & all I have to to is to adjust the air flow until the CO2 levels are as per their spec. The air flow is just one screw, twiddle it until I have 11.5% CO2. Please feel free to fill me in if I'm being naieve (spelling?) |
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Title: Re: Question on hooking up my new oil boiler Post by thescruff on May 25th, 2010, 12:16am Whilst you're reading the book it will tell you the configuration for the pipes. |
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Title: Re: Question on hooking up my new oil boiler Post by CWatters on May 25th, 2010, 1:45am Aren't new boiler installs 'Notifiable Works' under building regulations? eg Aren't you meant to use an OFTEC approved bod or make a BCA? |
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Title: Re: Question on hooking up my new oil boiler Post by pryantcc on May 25th, 2010, 9:53am CWatters wrote on May 25th, 2010, 1:45am:
I'm not in the UK, I'm in Ireland. Not sure if I need to notify anyone here, I'll do some googling though as I hadn't thought of that, thanks!! The manual simply says to block 2 of the boiler outlets, it doesn't specify which two! :) |
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Title: Re: Question on hooking up my new oil boiler Post by thescruff on May 26th, 2010, 1:26am A cross flow top one side bottom the other is best, is they don't specify an order. |
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Title: Re: Question on hooking up my new oil boiler Post by pryantcc on May 27th, 2010, 8:42am thescruff wrote on May 26th, 2010, 1:26am:
Thank you! ;D |
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Title: Re: Question on hooking up my new oil boiler Post by pryantcc on Jul 4th, 2011, 1:46pm Apologies for resurrecting a very old thread, but I thought you might find it interesting to know how I got on. The boiler install went very well. I managed to borrow a fuel pressure guage and exhaust gas analyser from a friend, then using the manufacturer's instructions, I set everything up. The boiler ran all last winter and I estimate that it halved my oil consumption while also improving the warmth in the house. The old boiler was about 30 to 40m from the hot water cylinder, I sited the new one only 6m away. The new boiler has about 20% higher output rating, but is still proving far more efficient. Thanks to everyone who responded to my questions! |
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Title: Re: Question on hooking up my new oil boiler Post by woodsmith on Jul 5th, 2011, 8:08am Thanks for coming back and letting us know how you got on [smiley=thumbsup.gif] |
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