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Programmer Voltage To Boiler Only 70Volts?
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<blockquote data-quote="SPECIAL LOCATION" data-source="post: 372941" data-attributes="member: 250"><p>The 70v could have been an induced voltage onto a wire that was actually outputting 0v from the programmer as you suggest.</p><p></p><p>Combined with testing with the wrong sort of meter.</p><p></p><p>It is not uncommon for people to think there is 50v or 60v on a lighting circuit wire that is actually 0v with respect to earth.</p><p></p><p>There appears to be a contradiction in terms in what this "Engineer" was saying.. (red highlight)</p><p></p><p>If not familiar with some existing kit then by definition they are not able to correctly diagnose what the problem is...</p><p></p><p>Therefore they shouldn't suggest replacing unproven items!? </p><p></p><p>Unfortunately there are a lot of Electricians / Heating engineers / Plumbers who just cannot grasp the concept of how central heating controls work! </p><p></p><p>Plug &amp; Play wireless controls are all they can cope with...</p></blockquote><p></p>
[QUOTE="SPECIAL LOCATION, post: 372941, member: 250"] The 70v could have been an induced voltage onto a wire that was actually outputting 0v from the programmer as you suggest. Combined with testing with the wrong sort of meter. It is not uncommon for people to think there is 50v or 60v on a lighting circuit wire that is actually 0v with respect to earth. There appears to be a contradiction in terms in what this "Engineer" was saying.. (red highlight) If not familiar with some existing kit then by definition they are not able to correctly diagnose what the problem is... Therefore they shouldn't suggest replacing unproven items!? Unfortunately there are a lot of Electricians / Heating engineers / Plumbers who just cannot grasp the concept of how central heating controls work! Plug & Play wireless controls are all they can cope with... [/QUOTE]
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Programmer Voltage To Boiler Only 70Volts?
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