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Central Heating & Storage Heaters Forum
Central Heating Wiring - Plumber wired incorrectly?
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<blockquote data-quote="sparkytim" data-source="post: 142940" data-attributes="member: 8627"><p>Take a look on the back of the Programmer that goes onto the base, it should have a wiring diagram as to what terminal is what.</p><p></p><p>With 3 switching cores ( 3 cre + e cable) then you normally would have CH on, HW on and HW off used.</p><p></p><p>You really need to know whats at the other end of that 3 CRE + e cable.</p><p></p><p>Is there a wiring centre/ junction box near the cylinder?</p><p></p><p>The HW on terminal on your base would normally feed a Room stat and the HW on and off terminals link with a cylinder stat via a wiring ctr/juction box.</p></blockquote><p></p>
[QUOTE="sparkytim, post: 142940, member: 8627"] Take a look on the back of the Programmer that goes onto the base, it should have a wiring diagram as to what terminal is what. With 3 switching cores ( 3 cre + e cable) then you normally would have CH on, HW on and HW off used. You really need to know whats at the other end of that 3 CRE + e cable. Is there a wiring centre/ junction box near the cylinder? The HW on terminal on your base would normally feed a Room stat and the HW on and off terminals link with a cylinder stat via a wiring ctr/juction box. [/QUOTE]
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Central Heating Wiring - Plumber wired incorrectly?
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