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Central Heating & Storage Heaters Forum
Drayton LP241 Problem - Pump and Boiler Constant Running
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<blockquote data-quote="ProDave" data-source="post: 497822" data-attributes="member: 6969"><p>That is the normal way to wire a heating system.</p><p></p><p>The programmer and thermostats control when heating or hot water is demanded and open the appropriate motorised valve to achieve that,</p><p></p><p>The microswitches in the motorised valves are wired in parallel and perform a logical OR function and demand heat from the boiler when heating OR hot water OR both are demanded.</p><p></p><p>There is not really any other way to do it.</p></blockquote><p></p>
[QUOTE="ProDave, post: 497822, member: 6969"] That is the normal way to wire a heating system. The programmer and thermostats control when heating or hot water is demanded and open the appropriate motorised valve to achieve that, The microswitches in the motorised valves are wired in parallel and perform a logical OR function and demand heat from the boiler when heating OR hot water OR both are demanded. There is not really any other way to do it. [/QUOTE]
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Drayton LP241 Problem - Pump and Boiler Constant Running
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