#VVT

Tech Tips:

Shielded Control Cable & Communicating Controls
By:Bryan Orr When I first started in the trade, we used to run into shielded control wires on the Carrier Comfort Zone 1 zoning systems and also on a Carrier VVT system I used to maintain at a bank. I knew it has something to do with electrical “noise” and that communicating systems often called […]
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