To determine the proper heat anticipator setting, what should be measured?

To determine the proper heat anticipator setting, measuring the total current in the 24V circuit is crucial because this measurement directly affects the functioning of the thermostat that controls heating. The heat anticipator is designed to turn off the heating system slightly before the desired temperature is reached to prevent overshooting and maintain comfort.

By measuring the current flowing through the 24V circuit, you can set the anticipator according to the manufacturer's specifications, ensuring that it is appropriately calibrated to respond to the current draw of the heating elements in the system. If the anticipator is set too high or too low based on incorrect current measurements, it may lead to inefficient operation and user discomfort.

Other measurements, like voltage drop in the circuit, the resistance of the thermostat, or airflow through the duct, provide important information but do not directly influence the heat anticipator setting itself. Understanding the specific current draw ensures the anticipator accurately addresses the system's response, promoting optimal performance and efficiency.