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crwdns2933797:0Alan Nishiokacrwdnd2933797:0crwdne2933797:0
crwdns2936043:0crwdne2936043:0 crwdns2933505:0crwdne2933505:0 Alan Nishioka
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| + | [title] The Solution |
|---|---|
| + | [* black] The solution is to add a C wire, also called a common or ground wire. |
| + | [* black] The Nest Thermostat and Nest Base can use power between R and C and not affect the W (heating) wire. |
| + | [* black] Fortunately, in my installation, the wire used actually had three conductors. So I just had to strip and connect the third wire. |
| + | [* black] Also fortunately, the Caleffi ZSR-106 has a terminal for C, it just wasn't wired up. So it was a simple matter to strip and connect the third wire on this side too. |
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