User Manual

Room automation
Desigo room automation
20
288 | 353 CM110664en_07
Application
●
Room air quality control
● Rapid ventilation
● Green leaf
Four light groups ● Manual switched control
● Manual dimmed control
● Automatic presence control
● Automatic brightness control
● Constant light control
● Multi group constant light control
● LED support on push buttons
● Green Leaf - RoomOptiControl
● Burn-in & operating hours function
Two blinds ● Manual control
● Automatic control with anti glare function and energy
efficiency function
● Green Leaf - RoomOptiControl
● Collision detection
Loadable central functions
Application
Central
functions
● 4x Control room operating mode groups with:
– Room mode and room setpoint distribution to rooms
– Start optimization switches the heating on at the
appropriate time
– Three delayed distribution groups of room operating
mode for big buildings
● 1x Seasonal compensation of room temperature
setpoints
● 2x Demand controlled hot water supply group
● 2x Demand controlled chilled water supply group with:
– Condensation prevention shifts the base chilled
water setpoint to avoid condensation at chilled
ceiling radiant devices
– Two pipe changeover control handles the heating /
cooling changeover for a two-pipe system
– Free cooling manages the delivery of chilled water in
situations where this can be done with almost a zero
expenditure of energy, e.g., chiller plants with the
possibility to cool the water with the recoolers when
outside conditions are favorable.
● 1x Demand temperature control group with:
– Relief function opens additional VAV without
demand to ensure stable working of the primary
plant
– Changeover evaluation decide if the central air
should be used for heating or for cooling
– Dew point evaluation is used to dehumidify at the
primary air handling unit to avoid condensation in
the rooms
– Humidity demand evaluates room humidity to help
the pri
mary plant determine when to humidify or