Dual Transformer Hvac Nest
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Dual transformer means that there is a separate r for heat and cool (rh and rc). Nest e only has a single r connector while the regular nest has two. Depending on what the system is the two can be combined or install a relay. If your dad is a hvac guy he should be able to figure it out.
Ago gen 3 & hello We will go over how to install a nest smart thermostat without a c wire on a dual transformer system where the heating and ac systems are not connected directly. These instructions will let you. I rewire these cobbled up messes all the time. If its been worked on a couple hundred times (indicated by hundreds of wirenuts) ipull the whole rats nest out and start from scratch. Lennox provides the best in home heating and systems with top of the line hvac systems, furnaces, air conditioners, and many other home heating & air products. Find the dealer best fit for you by comparing their specialties, ratings, and reviews. Seek out potential dealers with our dealer locator or by asking family and friends. Consider booking appointments with several dealers.
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