Data Sheet for Application
Application Sheet
INT061
Chilled ceiling with hot water radiator on triac output including
lighting and blinds operation
DXR2..09T-101A
1 / 8
Technical information in this document are subject to change. Drawings serve illustration purposes only.
Siemens is not responsible for content and any manual modifications.
2021-09-02
A6V10662233_en--_e_--_07
• Heating with radiator/floor heating and cooling with chilled ceiling on triac outputs
• Modulating control of heating and cooling valve on triac outputs
• Downdraft compensation
• Condensation monitoring
• Including the control of 4 lighting zones & 2 blinds
• Room temperature operation via KNX PL-Link room operator unit with temperature measurement &
lighting and blinds operation
Plant diagram
DXR2…
Room automation station
Q6, Q7
2 blinds motors
D1
Window contact
R
Room
D2
Presence detector
R1
Room operator unit with
D3
Condensation monitor
temperature sensor
Q2, Q3,
4 lighting zones
YC
Cooling valve
Q4, Q5
YR
Radiator valve
Function diagrams
Heating/cooling valves
C
Cooling sequence
TR
Room temperature
H
Heating sequence
Y
Output signal
SpC
Effective cooling setpoint
YC
Cooling valve
SpH
Effective heating setpoint
YH
Heating valve
SpC
0
100
Y [%]
TR [°C]
YH
SpH
YC
C
H