Why is the minimum signal selector verified along with the airflow transmitter during master light-off checks?

The verification of the minimum signal selector alongside the airflow transmitter during master light-off checks is integral to confirming proper operational procedures. Ensuring that these components operate correctly is crucial for the efficient combustion of fuel in machinery, which directly influences overall system performance. Master light-off checks are designed to ensure that all necessary systems are functioning correctly before starting operations, and this includes verifying that the minimum signal selector is providing the correct signal for safe and optimal airflow, as regulated by the transmitter.

Proper operational procedures are essential in preventing operational issues that could lead to equipment damage or unsafe situations. By confirming that both the airflow transmitter and the minimum signal selector are aligned and functioning as intended, personnel can proceed with confidence that all parameters are set within acceptable limits, ensuring a smooth and safe operation. This process helps prevent possible mishaps that could arise from incorrect airflow, which, if unchecked, could lead to hazardous operating conditions or inefficiencies in operation.