Catalog

4-6
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
HVAC applications
Application types
Fan coil
Application can be configured from these functions:
• Outside Air Damper
• Single Speed Fan, Multi Speed Fan or Variable Speed Fan
• Chilled water cooling coil
• Direct expansion evaporator cooling coil
• Heating/Cooling coil
• Hot water heating coil
• Electric heating coil modulating, single stage or two stage
• Room temperature control by two-pipe system with change-over
• Room temperature control by four-pipe system
• Supply air temperature cascade control
• Room dehumidification control
• Air volume flow control
• Rapid ventilation
• Green leaf
Frost protec-
tion monitor
(FrPrtMon)
Outside
air damper
(DmpOa)
Extract air
temperature
(TEx)
Mixed air
temperature
(TMx)
Fan speed
(FanSpd)
Cooling coil
(Ccl)
Heating/
cooling coil
(HCcl)
Heating coil
(Hcl)
Supply air
temperature
(TSu)
DI 1
AI 1 1 1
Relais 1-3
Triac 2 1-2 1-2 1, 2, 4 ,8 1-2
0..10 V 1 1* 1 1, 4 1**
* Requires additional relais or triac for enable signal
** Requires additional triac for electric heating enable signal
VAV (Variable Air Volume system)
Application can be configured from these functions:
• Supply and extract air control
• External flow control for VAV with integrated flow controller and
differential pressure sensor
• Internal flow controller and differential pressure sensor for dam-
per actuator control
• Internal flow controller and velocity sensor for damper actuator
control
• Chilled water cooling coil
• Heating/Cooling coil
• Hot water heating coil
• Electric heating coil modulating, single stage or two stage
• Room temperature control by two-pipe system with change-over
• Room temperature control by four-pipe system
• Supply air temperature cascade control
• Air flow tracking for under/overpressure
• Room dehumidification control
• Room air quality control
• Rapid ventilation
• Green leaf
Primary air temperature
for air after-treatment
(TPaAftrt)
Supply air
VAV
(VavSu)
Cooling coil
(Ccl)
Heating/
cooling coil
(HCcl)
Heating coil
(Hcl)
Supply air
temperature
(TSu)
Extract air
temperature
(TEx)
Extract air
VAV
(VavEx)
DI
AI 1 1 1
Relais
Triac 2** 1-2 1, 2, 4 ,8 1-2 2**
0..10 V 1 1 1, 4 1* 1
Actuator for VAV
(KNX PL-Link)
1 1
* Requires additional triac for electric heating enable signal
** When using DXR2.. with AC 24 V power supply in combination with GDB181.1E/3 or GLB181.1E/3, use 0..10V signals.