Data Sheet for Application

Application Sheet
VAV082/VAV082_H
Supply and extract VAV with KNX PL-Link VAV controller, heating
and cooling coil and hot water radiator on triac output
DXR2..18-102A
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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.
2021-09-08
A6V10662238_en--_d_--_02
• Supply & extract air volume control with compact KNX PL-Link VAV controller
• Room temperature control
• Air quality control
• Heating with LTHW radiator on triac output
• Downdraft compensation
• Room temperature and rapid ventilation operation via KNX PL-Link room operator unit with
temperature, air quality & 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
YH
Heating coil valve
R
Room
YR
Radiator valve
YS
Supply air control
Function diagrams
Heating and cooling valve
Air flow
SpC
Effective cooling setpoint
VavSuAirFlMinC
Min. volume, cooling
SpH
Effective heating setpoint
VavSuAirFlMinH
Min. volume, heating
TR
Room temperature
Y
Output signal
V
Volume flow rate
YC
Cooling valve
VavSuAflMinVent
Min. air flow ventilation
YH
Heating valve
VavSuAirFlMaxC
Max. volume, cooling
YR
Radiator valve
VavSuAirFlMaxH
Max. volume, heating
SpC
0
100
V [%]
TR [°C]SpH
VavSuAirFlMaxC
VavSuAirFlMinC
VavSuAirFlMinH
VavSuAirFlMaxH
VavSuAflMinVnt