Catalog

4-13
Siemens Switzerland Ltd http://www.siemens.com/buildingtechnologies-productcatalog 2015
Building Technologies Division
4
Room automation
Overview and selection tools
Configurable Room Automation Station with BACnet
Central functions
Application can be configured from these functions:
• Central operation group including room operating mode and start
optimization, setpoints and seasonal compensation, light, shad-
ing and forced emergency commands
• Demand controlled hot water supply system, includes tempera-
ture setpoint
• Demand controlled chilled water supply system, includes
temperature setpoint, shift to avoid condensation by collecting
condensation monitors, free cooling calculation
• Demand controlled 2 pipe heating / cooling water supply
system includes temperature setpoint, changeover, free cooling
calculation
• Demand controlled air handling unit (supply and extract air) inclu-
des temperature setpoint, maximum humidity setpoint, pressure
setpoint, maintain minimal central air volume, flow deviation
calculation, summed air volume setpoints
• Variable air volume (VAV) emergency group includes shut down,
extract, pressurization or purge
• Central weather station information includes outside tempera-
ture, outside brightness, outside solar radiation, outside wind
speed, outside precipitation
• Central facade functions for shading includes brightness cal-
culation, central operation group for façade, glare protection
calculation
• Shading central protection groups for Wind protection, Precipita-
tion protection, Frost protection, staged distribution for central
blind commands in large buildings
Central Weather Station Controller Central Facade Controller
T
H
P
Lux
Lux
Lux
Lux
Outside tem-
perature
Relative out-
side humidity
Atmospheric
pressure
Wind speed
Precipitation
detector
Brightness
with 1 sensor
Brightness
with 3 sensor
(E,S,W)
(E,N,W)
Solar
radiation
DI 1
AI 1 1 1 1 1 1-3 1
Push button
(KNX PL-Link)
DXR2.. Type DXR2..18.. DXR2..18..
Central HVAC Supply Controller Central Emergency Controller
Operating
mode groups
Light manual
central
operation
Shading
manual
central
operation
Forced
Emergency
position for
shading
Forced
Emergency
command for
lighting
Forced
Emergency
shut down air
supply
Forced Smoke
extraction
(exhaust air)
Forced Smoke
pressurization
(supply air)
DI 1-4 1 1 1-2 1-2 1-2
AI
Push button
(KNX PL-Link)
4* 4*
DXR2.. Type DXR2..18.. DXR2..18..
* Either 1 device UP220 for 2 outputs or 2 devices UP221 / UP285 for 1 output each