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Siemens  Standard application AHU  CE1P3977en_02 
Building Technologies  Hardware overview  01.02.2010 
The display shows: 
•  Selected temperature display  
–  exhaust temperature, or 
–  the given room device temperature, or  
–  mixed room temperature  
•  Setpoint shift 
•  Energy mode 
•  Plant stage 
•  Time 
•  Day of the week  
 
The table below displays and explains all the symbols available on the display.  
 
Display 
Meaning 
 
Temperature display range 
Displays exhaust temperature for the given room device 
temperature or the mixed room temperature in °C or °F.  
 
 
Temperature in °C 
Resolution 0.1 °C 
 
 Temperature in °F 
Resolution 1.0 °F 
 
Setpoint shift 
Can be displayed/changed to °C or to °F  
Resolution 0.1°C/1.0F or 0.5°C/1.0F 
 
Time 
Plant stage 
 
 
Day of week display (POL822.60/xxx only) 
1=Monday 
 
ON/OFF 
The device does not fully shut down with OFF, but rather 
goes to standby. 
 
Auto mode active 
The controller overrides the room device when the symbol 
blinks (see 5.2.2 Prioritization operating modes...) 
Buttons 1, 2, 5 and 8 are locked. 
 
Economy mode active 
 
Comfort mode active 
 
Cooling 
 
Heating 
 
Automatic plant control 
 
 
Occupancy mode 
 
Energy tracking 
 
Alarm display 
 
Parameter mode 
 
 
Display 
 
 
Basis Document Siemens Climatix Control System
BDCX.100820.01GB
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