![Nest thermostat not showing cool. Only heat. I unfortunately did not take a pic of the old thermostat. I do have central air but I'm supposed to have a yellow wire but Nest thermostat not showing cool. Only heat. I unfortunately did not take a pic of the old thermostat. I do have central air but I'm supposed to have a yellow wire but](https://external-preview.redd.it/fnOAxc95-dRXtwOJb3ma1hckaAKR4y2KadJBrsrMjUQ.jpg?auto=webp&s=2a47342141f791f48668fb12d44fc2ff5b079e32)
Nest thermostat not showing cool. Only heat. I unfortunately did not take a pic of the old thermostat. I do have central air but I'm supposed to have a yellow wire but
![hvac - Nest thermostat causing condenser unit contactor to chatter when NOT calling for cooling - Home Improvement Stack Exchange hvac - Nest thermostat causing condenser unit contactor to chatter when NOT calling for cooling - Home Improvement Stack Exchange](https://i.stack.imgur.com/6Vpz4.jpg)
hvac - Nest thermostat causing condenser unit contactor to chatter when NOT calling for cooling - Home Improvement Stack Exchange
![Take Control of Your Comfort: Solve AC Cooling Issues with Nest Thermostat and Wiring Adjustments" - YouTube Take Control of Your Comfort: Solve AC Cooling Issues with Nest Thermostat and Wiring Adjustments" - YouTube](https://i.ytimg.com/vi/EAmLuA-8A6Y/sddefault.jpg)
Take Control of Your Comfort: Solve AC Cooling Issues with Nest Thermostat and Wiring Adjustments" - YouTube
![Take Control of Your Comfort: Solve AC Cooling Issues with Nest Thermostat and Wiring Adjustments" - YouTube Take Control of Your Comfort: Solve AC Cooling Issues with Nest Thermostat and Wiring Adjustments" - YouTube](https://i.ytimg.com/vi/EAmLuA-8A6Y/maxresdefault.jpg)