Which practice best reduces the risk of economizer faults in a system?

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Regular maintenance of economizer components keeps its operation accurate and reliable. Calibrating sensors regularly ensures readings such as outdoor air, mixed air, and temperature accurately reflect actual conditions, so the economizer only changes position when it should. Routinely testing damper actuators confirms they move correctly and respond to commands, preventing stuck or slow damper responses that can cause improper ventilation or energy waste. Verifying the control logic makes sure the sequence, interlocks, and safety limits are functioning and aligned with the intended operation.

Disabling the economizer removes its energy-saving benefit and can lead to improper cooling strategies. Calibrating sensors only at installation allows drift over time. Ignoring alarms means faults can go unnoticed, increasing risk of incorrect damper positions or failed operation. Regular calibration, actuator testing, and logic verification directly reduce the risk of economizer faults.