Assortment / System Description

Room coordination functions
Room functions: Room coordination
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(Cont.)
Central functions ● Central facade control as per solar position
and brightness for anti-glare protection and
energy-optimized HVAC operation
● Central protection functions (wind, frost)
for the facades
● Delayed groups to control lighting and
blinds in large buildings
Sensor functions ● Presence detection
● Window monitoring
● Dewpoint monitoring.
● Temperature measurement
● Relative humidity measurement
● Brightness measurement
● Air quality measurement
● Wind speed measurement (central)
● Precipitation detection (central)
Actor functions ● Actuator
● Lighting actor
● Blinds actor
Local operating /display functions ● Set temperature setpoint
● Select room occupancy
● Operate fan coil
● Green Leaf function
● Switch/dim lighting
● Set solar protection
13.1 Room functions: Room coordination
The DXR2 applications guarantee the interaction of disciplines HVAC, lighting,
and shading, and provide the necessary coordination functions to this end.
The elementary room coordination function is the determination of the room
operating mode from the central scheduler and local presence/Comfort
extension entries on the room operator unit.
Desigo TRA offers room users interaction with regard to energy management
via an innovative operating and displaying concept.
The Green Leaf application function determines whether manual operations
negative impact HVAC energy efficiency. A red leaf on the room operator unit
informs the room occupant of just such a situation. The leaf returns to green by
activating the red lead as the Green Leaf returns the room to an energy
efficient state. A room operator unit with Green Leaf display is required to use
the Green Leaf application function.
Sensor and actor
functions
Room operating mode
determination
Green Leaf