User Manual

2 / 6
Siemens Room unit with PPS interface CE1N2281en
Building Technologies 2014-11-10
Functions
· Room temperature and display
· Setpoint shift
· Operating mode selection
· Presence selection
· Setting knob for manual setpoint adjustment
· Changeover of operating mode
· Presence button
· Communication via PPS
· Powered from controller module via PPS
Type summary
ASN Type
QAA50.110/101 Room unit with PPS interface
Technical features
Automatic mode
Control as per scheduler program.
The presence button can temporarily override the heating program. The interven-
tion stays in effect until the next changeover.
Continuous mode
Continuous control to nominal setpoint or reduced setpoint (can be selected with
the presence button).
Standby mode
Control is switched off. Frost protection remains, however, active.
The nominal setpoint can be changed by ±3 °C using the setting knob for setpoint
adjustment. An adjustment is added or subtracted to the programmed nominal
setpoint. The reduced setpoint remains, however, unchanged.
The presence button can change over between nominal setpoint and reduced
setpoint.
Main functions
Operating functions
Other features
Operating mode button
Setting knob for
setpoint adjustment
Presence button