User Manual

14-9
Siemens Switzerland Ltd www.siemens.com/gamma 2019
Building Technologies Division
Home Automation System
Technical specication
Individual room control
Individual room control
Central apartment unit
Type QAX903-9 QAX913-9
HVAC room functions
Number of rooms / zones 12 12
Heating setpoints and room operation modes n n
Cooling setpoints and room operation modes n n
Weekly time program n n
Room unit / room temperature sensor with
averaging
1 + 2 1 + 2
Window monitoring n n
Parallel operation
• Heating circuits n n
• Radiator control actuator n n
Refrigeration release n n
Control of external air con n n
Individual room control
Radiator control
actuator
Heating circuit controller
Room temperature sensor /
Room unit
Door / window
contact
Type
SSA955 RRV912 RRV918 QAA910 QAW910 AP 260/11
Room control
Sensor
• Room temperature n
1)
n n
• Window contact (intern + terminal
block)
n
Control
• Operation modes with individual
setpoint
n n n
• PID control n n n
• Thermal actuator n n
• Electromotoric actuator n n
1)
Limited temperature measurement accuracy due to mounting condition
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34_VS_2017_Gamma HQ_EN_Chapter_14_V1.indd 9 26.07.2018 15:22:35