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Ufh Controller And 3 Port Valve Conundrum
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<blockquote data-quote="kme" data-source="post: 300366" data-attributes="member: 113"><p>Agree.</p><p></p><p>The solid fuel units would be best served with pipe stats, to inhibit the oil boiler when flow pipes from aga or wood burner are hot - that`s not a big problem.</p><p></p><p>The neutraliser is already thermostat`d, to inhibit pump flow until neutraliser reaches operating temp.</p><p></p><p>I like SL`s idea for the tank (I`m assuming this is a vented cylinder? If its unvented, you need to be really careful - dunno about Scotland, but we`re supposed to have an unvented qualification before worlking on `em!)</p><p></p><p>If you`ve only one stat pocket - this will become a really convolved control system. I`d envisage either relay banks, or a PLU to handle the various states of inputs a,b,c, etc - to control the outputs as ordered by the logic.</p><p></p><p>Cylinder heat dump: You / customer might want to consider a dedicated heat dump radiator - rather than heating the whole system up. We did that on one job - the customer complained that 30 mins after lighting the wood burner, the upstairs was reaching silly temperatures, and they couldn`t turn it off!!!!!</p></blockquote><p></p>
[QUOTE="kme, post: 300366, member: 113"] Agree. The solid fuel units would be best served with pipe stats, to inhibit the oil boiler when flow pipes from aga or wood burner are hot - that`s not a big problem. The neutraliser is already thermostat`d, to inhibit pump flow until neutraliser reaches operating temp. I like SL`s idea for the tank (I`m assuming this is a vented cylinder? If its unvented, you need to be really careful - dunno about Scotland, but we`re supposed to have an unvented qualification before worlking on `em!) If you`ve only one stat pocket - this will become a really convolved control system. I`d envisage either relay banks, or a PLU to handle the various states of inputs a,b,c, etc - to control the outputs as ordered by the logic. Cylinder heat dump: You / customer might want to consider a dedicated heat dump radiator - rather than heating the whole system up. We did that on one job - the customer complained that 30 mins after lighting the wood burner, the upstairs was reaching silly temperatures, and they couldn`t turn it off!!!!! [/QUOTE]
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Ufh Controller And 3 Port Valve Conundrum
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