This module generates the True, False, or Fault state to indicate to a staged device that the airflow requirements have been met. If either the fan command (on/off) is on or the supply flow is greater than the minimum flow value, the state is True. This module is designed for use with VAV boxes that contain a heating coil in the discharge air stream (series). This module can be used for VAV boxes with or without a fan. If a fan does not exist, the default Fan Mode value is Off and the default for the State does not change if the Fan Mode is not connected.
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