trying to hook up a nest e thermostat to a taco 6 zone panel . i have 5 wires going to box from thermostat . when hooked up 3rd wire to either com or 24v still not working when hooked up to 24v it runs for about 3 seconds then shuts off when hooked up to com it works but says no c wire connected. bought a power connector but still not able to get to work Any advice would be helpful its a boiler only system with 6 zones
Thanks for reaching out. I'm sorry to hear that you're having an issue with your Nest Thermostat. I'd love to know more about this. Could you share a photo of how your previous thermostat is wired? Also, how did you wire your Nest Thermostat?