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Farm Building and Infrastructure
Renewable Energy
Biomass domestic boiler issue
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<blockquote data-quote="mountfarm" data-source="post: 7901091" data-attributes="member: 90390"><p>Nothing has changed to answer that question.</p><p></p><p>Update is we have temporarily swapped the plate heat exchanger for a coiled one out of an old swimming pool just to see if it’s any better which it is but it’s still not getting the house warm enough. It was 1 degrees yesterday outside and the house thermostat was at the top setting of ‘30’ on the dial. It wasn’t acceptably warm and the occupiers are retired so feel the cold much more than me.</p><p></p><p>I’ve come to the conclusion the 3scenarios:</p><p></p><p>1. the original heat exchanger was sized incorrectly and we need to just go bigger again?</p><p></p><p>2. the size of the underground pipes from the boiler aren’t big enough so there’s not the volume of hot water getting into the house system. The boiler to the house is 100m and all pipes are underground.</p><p></p><p>3. the biomass boiler running temp needs to be set higher to send more heat? I could change this to anything really such as kick in at 80 degrees and kick out at 98 degrees but as I’m not familiar with the system (already on site when we bought the place) then I’m unsure if this could damage the actual biomass boiler.</p><p></p><p>Lastly it’s not the house system because if we switch to kero from an old tank then the house gets to warm so it’s definitely biomass related.</p></blockquote><p></p>
[QUOTE="mountfarm, post: 7901091, member: 90390"] Nothing has changed to answer that question. Update is we have temporarily swapped the plate heat exchanger for a coiled one out of an old swimming pool just to see if it’s any better which it is but it’s still not getting the house warm enough. It was 1 degrees yesterday outside and the house thermostat was at the top setting of ‘30’ on the dial. It wasn’t acceptably warm and the occupiers are retired so feel the cold much more than me. I’ve come to the conclusion the 3scenarios: 1. the original heat exchanger was sized incorrectly and we need to just go bigger again? 2. the size of the underground pipes from the boiler aren’t big enough so there’s not the volume of hot water getting into the house system. The boiler to the house is 100m and all pipes are underground. 3. the biomass boiler running temp needs to be set higher to send more heat? I could change this to anything really such as kick in at 80 degrees and kick out at 98 degrees but as I’m not familiar with the system (already on site when we bought the place) then I’m unsure if this could damage the actual biomass boiler. Lastly it’s not the house system because if we switch to kero from an old tank then the house gets to warm so it’s definitely biomass related. [/QUOTE]
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Biomass domestic boiler issue
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