Data Sheet for Application

Application Sheet
CBA002/CBA002_H
HActive chilled beam with variable fan, cooling coil and hot water
radiator on triac output
DXR2..09T-101A
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Technical information in this document are subject to change. Drawings serve illustration purposes only.
Siemens is not responsible for content and any manual modifications.
2021-08-16
A6V10662233_en--_c_--_10
• Cooling with active chilled beam on triac output
• Optional heating with LTHW radiator on triac output
• Automatic or manual variable fan speed control DC 0...10 V
• Room temperature and fan speed operation via KNX PL-Link room operator unit with temperature
measurement
Plant diagram
DXR2…
Room automation station
R
Room
B1
Extract air temperature sensor
R1
Room operator unit with
B3
Supply air temperature sensor
temperature sensor
D1
Window contact
YC
Cooling coil valve
D2
Presence detector
YR
Radiator valve
Q1
Variable speed fan
Function diagrams
Heating/cooling valves
DC 0...10 V fan
Q
Fan output signal
Y
Valve output signal
SpC
Effective cooling setpoint
YC
Cooling coil valve
SpH
Effective heating setpoint
YR
Radiator valve
TR
Room temperature