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2 Speed Fan
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<blockquote data-quote="ProDave" data-source="post: 310477" data-attributes="member: 6969"><p>If this is like the HRVU I installed it has just TWO wires to the Hi / lo switch.</p><p></p><p>So it's an On / off switch.</p><p></p><p>So you connect to the C and NO on the relay. You don't have anything connected to the NC contact.</p><p></p><p>So it's true that you just connect the two C's together and the two NO's together, in parallel, and then either PIR will trigger it to switch to hi. You can also still have the manual switch connected in parallel so you can manually switch it to hi as well, e,g when cooking.</p></blockquote><p></p>
[QUOTE="ProDave, post: 310477, member: 6969"] If this is like the HRVU I installed it has just TWO wires to the Hi / lo switch. So it's an On / off switch. So you connect to the C and NO on the relay. You don't have anything connected to the NC contact. So it's true that you just connect the two C's together and the two NO's together, in parallel, and then either PIR will trigger it to switch to hi. You can also still have the manual switch connected in parallel so you can manually switch it to hi as well, e,g when cooking. [/QUOTE]
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