I wanted to stop by and see how I could help.
@Davidle, It appears to be compatible with the Nest Learning Thermostat. Make sure to follow the wiring diagram on your thermostat. In addition, the wire labeled "L" could be an indicator light. Nest Thermostats do not need this wire, as they use their LCD display instead of an indicator light.
@Mainak, Thanks for posting on this thread. to know your system's compatibility with the Nest Learning Thermostat. Could you also send us a picture of your thermostat's wiring diagram? I'll look forward to your response.
Thanks for posting your thermostat wiring diagram. Big help!
Nest Thermostats don’t use jumper wires, but if your current thermostat has a jumper wire, your system may still be Nest compatible. Make sure to follow the wiring setup when you install it with the Nest Thermostat.
Please let us know if you have more questions.
It's us again. How's it going with your Nest Thermostat? Were you able to wire it properly? Don't hesitate to give us your update here. Let us know if you have more questions in mind.
Thanks for lending a hand, Edward and Mark.
I'm checking in to make sure that you've seen our response. Please let us know if you have any additional questions or concerns before we close this thread in 24 hours.
Hello Everyone, thanks for checking with me. I could not proceed with installing the thermostat because I’m not able to figure out which wires go where the last time I was trying to work on the circuit diagram.
I will try again and post the results. It will be great if someone can validate
Thanks for getting back to us. I understand that wiring can be confusing, but here's how you should label your system's wires to the Nest Thermostat:
Please let me know if you have more questions.
We haven’t heard back from you, so I'll be locking this thread in 24 hours. Feel free to create a new one if you have more questions or have other concerns in the future.