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Time Switch Immersion Heater.
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<blockquote data-quote="MyDogMuppet" data-source="post: 533324" data-attributes="member: 35549"><p>I know I'm not completely daft.</p><p></p><p>I've removed two 8 year old time switches on towel rail (lighting circuits) and replaced them with Timeguard WiFi Switches. I even remembered how to use my Multimeter to find the live circuit.</p><p></p><p>But somewhat overconfident I have removed the 5 year old Timeguard NNTO4 timeswitch on the immersion. The wiring was different, see photo.</p><p></p><p>I have put in place a Timeguard WiFi switch. FSTWIFITU. Identical to the two I've already installed. Wiring different, see photos.</p><p></p><p>I've no Power to the new FSTWIFITU unit. Dead as a dodo. No glowing blue light.</p><p></p><p>Multimeter says no live wire blue or brown. How is that possible?</p><p></p><p>Should I have left Earth Wires capped off?</p><p></p><p>Is there a mysterious connection or two I'm missing? It looks like the old NNT04 had a link between L and ?</p><p></p><p>If only the terminology was standardised I have half a chance.... SL? Sin? S Out?</p><p></p><p>Any help appreciated, please explain like I'm 5.</p><p></p><p>Thanks</p><p></p><p>Richard</p></blockquote><p></p>
[QUOTE="MyDogMuppet, post: 533324, member: 35549"] I know I'm not completely daft. I've removed two 8 year old time switches on towel rail (lighting circuits) and replaced them with Timeguard WiFi Switches. I even remembered how to use my Multimeter to find the live circuit. But somewhat overconfident I have removed the 5 year old Timeguard NNTO4 timeswitch on the immersion. The wiring was different, see photo. I have put in place a Timeguard WiFi switch. FSTWIFITU. Identical to the two I've already installed. Wiring different, see photos. I've no Power to the new FSTWIFITU unit. Dead as a dodo. No glowing blue light. Multimeter says no live wire blue or brown. How is that possible? Should I have left Earth Wires capped off? Is there a mysterious connection or two I'm missing? It looks like the old NNT04 had a link between L and ? If only the terminology was standardised I have half a chance.... SL? Sin? S Out? Any help appreciated, please explain like I'm 5. Thanks Richard [/QUOTE]
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