period three

System Configurations

notes

Occupied Mode

Main supply fan operates continuously

Constant primary-air set point

Main supply fan controlled to maintain the system static-pressure set point

Outdoor air damper delivers proper amount of ventilation air

Terminal units maintain respective “occupied” space thermostat set points

Figure 68

In a typical commercial building, the occupied mode occurs during daytime operation. The building must be ventilated and the comfort cooling or heating temperature set points must be maintained in all occupied zones.

The occupied mode is characterized as follows:

nThe main supply fan operates continuously.

nThe primary air temperature is controlled to a constant set point.

nThe supply fan is controlled to maintain the static-pressure set point of the system.

nThe outdoor air damper is controlled to deliver the proper amount of ventilation air.

nAll terminal units are controlled to maintain their respective occupied space temperature set points.

TRG-TRC014-EN

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Trane TRG-TRC014-EN manual Occupied Mode

TRG-TRC014-EN specifications

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