Hi awisefoto,
Thanks for posting in the Google Nest Community forum. Your system is compatible with Nest Thermostats. You can follow the wiring guide below.
WIRING GUIDE:
For Nest Learning Thermostat:
- Y1 - Yellow (Cooling)
- W1 - White (Yellow)
- G - Green (Fan)
- C - Blue (Common)
- RC/RH - Red (Power)
For Nest Thermostat E:
- Y1 - Yellow (Cooling)
- W1 - White (Heating)
- G - Green (Fan)
- C - Blue (Common)
- R - Red (Power)
For Nest Thermostat 2020:
- Y - Yellow (Cooling)
- W - White (Heating)
- G - Green (Fan)
- C - Blue (Common)
- R - Red (Power)
Best,
Jenelyn
