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» 7.7 If dwelling-unit Vent System controller operates the dwelling unit HVAC fan, then HVAC fan operation is intermittent and either fan type is ECM / ICM (4.12), or controls will reduce the run-time by accounting for HVAC system heating or cooling hours.
7.7 If dwelling-unit Vent System controller operates the dwelling unit HVAC fan, then HVAC fan operation is intermittent and either fan type is ECM / ICM (4.12), or controls will reduce the run-time by accounting for HVAC system heating or cooling hours.
See the following guides for relevant information.