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Lets start by deciding if you really want to go to the COR.
Your Infinity system is a high tech and high efficient system that uses what is called a communicating system.The AB terminals provide volte where the CD terminals are data transfer wires. In other words the thermostat, air handler and outdoor are "talking" or communicating with each other 24/7 to determine the most efficient way to operate.
The COR is a conventional (non communicating) thermostat.
So you will be sacrificing some features and efficiency with the COR.Let me know and we will proceed accordingly
Also you will need 6 to 7 wires rather than the 4 wires, So let me know if you have unused wires we can use in the bundle at thermostat and units.
Tell me model on units (indoor and outdoor)
OK we would still need 6 wires between thermostat and unit
1. Red 24v power
3.Orange- Reversing valve
5. White ----Heat elements
6. Yellow - AC compressor
Sorry,had to run to bank.
The thermostat is compatible but you will need more than 4 wires. There is no conventional thermostat that will work with the heat pump using 4 wires.
If you can run additional wires between units and thermostat, it is a very simple procedure to hook up thermostat.Just et me know.
If you have further questions, please let me know.
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