I recently upgraded my heating system with the Sinope TH1300ZB thermostat, replacing an older ‘Hotwire’ controller. While the installation went smoothly, I encountered an issue where the floor thermostat was consistently showing a temperature that was 7°C higher than the actual room temperature. This discrepancy made it challenging to maintain a comfortable environment in my home.
After some research, I discovered that the previous system had a temperature calibration offset setting, which was set to -5°C for the floor thermostat. I found a reference to a ‘local_temperature_calibration’ quirk in Claude Gelinas’ documentation, specifically targeting Cluster 0x0201 and Attribute 0x0010. I installed his quirk package, restarted the system, and applied the -5°C calibration value. However, this adjustment didn’t resolve the issue, as the thermostat continued to display incorrect temperatures.
I decided to experiment further by adjusting the sensor type settings on the thermostat. Changing the sensor type from ‘10K’ to ‘12K’ resulted in a slight improvement, but the temperature readings were still inaccurate. Given the uncertainty about the original sensor installed in my home, I realized that without physically inspecting the sensor, it would be difficult to determine the exact cause of the calibration issue.
To address this, I turned to the community for advice and found that others had success with manual adjustments in the thermostat’s settings. I explored the thermostat’s advanced settings and discovered a hidden calibration option that allowed me to manually offset the temperature readings. By adjusting this setting, I was able to correct the displayed temperature to match the actual room temperature.
While this solution worked for me, I understand that every setup is different. If anyone has additional tips or experiences with similar calibration issues, I’d love to hear about them! Feel free to reach out if you’d like to discuss further.