Data Sheet for Application

Application Sheet
CBA001/CBA001_H
Active chilled beam with KNX PL-Link VAV controller, cooling coil
and hot water radiator on triac output
DXR2..18-101A
DXR2..18-102A
1 / 6
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
A6V10662238_en--_c_--_10
• Supply and extract air volume control with compact KNX PL-Link VAV controller
• Room temperature control
• Air quality control
• Heating with LTHW radiator on triac output
• Cooling with active chilled beam on triac output
• Downdraft compensation
• Room temperature and rapid ventilation operation via KNX PL-Link room operator unit with
temperature, air quality and relative humidity measurement
Plant diagram
DXR2…
Room automation station
R1
Room operator unit with
B1
Extract air temperature sensor
temperature sensor
B3
Supply air temperature sensor
YC
Cooling coil valve
D1
Window contact
YE
Extract air control
D2
Presence detector
YR
Radiator valve
R
Room
YS
Supply air control
Function diagrams
Heating and cooling valve
Air flow
SpC
0
100
V [%]
TR [°C]SpH
VavSuAirFlMaxC
VavSuAirFlMinC
VavSuAirFlMinH
VavSuAirFlMaxH
VavSuAflMinVnt
SpC
Effective cooling setpoint
VavSuAirFlMaxH
Max. volume, heating
SpH
Effective heating setpoint
VavSuAirFlMinC
Min. volume, cooling
TR
Room temperature
VavSuAirFlMinH
Min. volume, heating
V
Volume flow rate
Y
Output signal
VavSuAflMinVent
Min. air flow ventilation
YC
Cooling valve
VavSuAirFlMaxC
Max. volume, cooling
YR
Radiator valve