User Manual
2
Siemens Industry, Inc.
A6V11419719_enUS_a
Building Technologies 11/02/2018
Thermostat Highlights
● Easy to understand tri-level air quality indication: “Good”, “Okay”, “Poor”
● Inputs for remote or averaging temperature and humidity sensors
● Password protected screen lock
● PID algorithm for precise control
● Advanced energy saving control with free cooling capability
● Two multifunctional inputs, optional and configurable for:
– Room temperature
– Operating mode switch
– Window / door contact
– Outside air temperature
– Room air humidity
– Presence detector
– Room air quality
● Six relay outputs for:
– Conventional systems up to 3H/2C
– Heat pumps with up to 2 compressors and 2 stages of auxiliary heat
– Humidity or ventilation control
● Guided Setup Wizard
● Green Leaf button engages occupants in maximizing system efficiency. If scheduled
setpoint is overridden, the green leaf turns red. One touch returns the system to the
programmed setpoint and the leaf returns to green.
Mobile App Features
● Support iOS and Android smartphones
● Full 7-day programmable schedule with three modes:
– “Comfort”: comfort settings during occupied periods
– “Economy”: setting for transition between “Unoccupied” and “Comfort”
– “Unoccupied”: setting for periods during absence to maximize energy savings
● Duplicates thermostat HMI on smartphone screen
● User account management
● Monitor room conditions
● Data security with Siemens Cloud Computing Platform
Ordering Information
Model Number Orderable Part Number Description
RDS120 S55772-T101 Room Thermostat
Associated Equipment
Part Number Description
QAA2330.EWNN Remote Wall Mounted Sensor – Temperature Only
QFA33SS.EWNN Remote Wall Mounted Temperature and Humidity Sensor
QAM2030.010 Duct Mounted Temperature Sensor
QFM2160U Duct Mounted Temperature and Humidity Sensor
QPA2000 Wall Mounted CO2 Sensor
QPA2062 Wall Mounted Temperature + Humidity + CO2 Sensor
QPM2162 Duct Mounted Temperature + Humidity + CO2 Sensor
QAC2030 Outdoor Air Temperature Sensor
QAD2030 Surface Mount Pipe Temperature Sensor