User Manual

Application Sheet CBA001
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.
2019-02-21
A6V10662238_en--_b_--_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 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