The operating states Comfort, Pre-Comfort, Economy, and Protection are available to the application functions on the DXR2 room automation station. The room operating modes apply for the entire room and are superposed for the three disciplines HVAC, lighting, and shading. In other words, the response of HVAC, lighting, and blinds applications are taken from it. The response can be configured for each room and each discipline. The response for any one discipline to a change in operating mode can also be configured.

Comfort

Comfort is the operating mode in an occupied room. The room temperature is within the Comfort range. DXR2 works in the heating and cooling sequence with the effective Comfort setpoints. Lighting control is enabled, and the blinds automatic ensures anti-glare.

Pre-Comfort

Pre-Comfort is the operating mode during regular building occupancy, but in an unoccupied room. A scheduler enables this operating mode by default. The room user or automatic switches to the Comfort state and back during occupancy. In this operating mode, HVAC control uses setpoints that are slightly above the Comfort setpoint for heating and slightly below for cooling. Lighting control is disabled. Blind automatic is set to anti-glare in anticipation of pending occupancy.

Economy

Economy is the operating mode outside building occupancy with setback level. In the Economy room operating mode, HVAC control uses setpoints that are slightly under the effective Pre-Comfort setpoint for heating and slightly above for cooling. During night setback or over the weekend, the scheduler can control to the Economy state and those strongly lower energy supply to the room. Lighting control is disabled in this operating mode and the blinds are automatically deployed to an energy-efficient position.

Protection

If the building is unoccupied over an extended period of time (e.g. no renter, vacation), the temperature setpoints can be reduced or raised even more so that the building and all equipment are protected against heat or cold at any time. In this operating mode, lighting control is disabled, and the blinds are closed.