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Siemens  Standard application AHU  CE1P3977en_02 
Building Technologies  HMI  01.02.2010 
Main Index > Unit > Inputs > Pressures/Flows 
Parameter  Function  Value range  Unit  Standard  R  S Link 
Exhaust air flow  Exhaust air flow  0…40000  l/s      x   
HrecFrost Pressure  Heat recovery Frost Pressure  0…5000  Pa         
 
17.11.3  Humidity 
 
Main Index > Unit > Inputs > Humidity 
Parameter  Function  Value range  Unit  Standard  R  S Link 
Supply Rel  Supply Humidity relative  0…100  %rH      x  Section: 
Room Rel  Room Humidity relative  0…100  %rH      x 
 15.3.4 
Outside Rel  Outside Humidity relative  0…100  %rH      x   
 
17.11.4  Other 
 
Main Index > Unit > Inputs > Other 
Parameter  Function  Value range  Unit  Standard  R  S Link 
AirQuality  Air Quality  0…3000  ppm      x   
ExtSetpoint  External setpoint (abslute or shifting)  -64.0…64.0  °C      x  Section: 
Settings  Jump line to Curve settings for External 
setpoint 
         
 15.3.7 
 
17.11.5  Digital inputs 
 
Main Index > Unit > Inputs > Digital Inputs 
Parameter  Function  Value range  Unit  Standard  R  S Link 
Emergency stop  Emergency stop  On…Off        x   
SuWi Input  External Switch for Summer Winter change 
over 
Winter…Summer        x   
Ext control input1  External Switch1 for switching the Unit  On…Off        x   
Ext control input2  External Switch2 for switching the Unit  On…Off        x   
Alarm ackn button  Alarm ackn button  active…passive        x  Section: 
FireDamper Opened  Fire damper Feedback Opened  OK…Fault        x 
 15.3.5 
FireDamper Closed  Fire damper Feedback Closed  OK…Fault        x   
SupplyDamper fdbk  Supply Damper Feedback Opened  OK…Fault        x   
ExhaustDamper fdbk  Exhaust Damper Feedback Opened  OK…Fault        x   
Auxiliary input  Auxiliary input  On…Off        x   
 
17.11.6  Digital alarms 
 
Main Index > Unit > Inputs > Digital alarms 
Parameter  Function  Value range  Unit  Standard  R  S Link 
Fire  External Fire alarm  OK…Fault        x   
Fan  If combined Fan generally Fan alarm  OK…Fault        x   
Supply Fan  Supply Fan alarm  OK…Fault        x   
SupplyFan fdbk  Supply Fan Feedback (eg. Pressure Switch) OK…Fault        x   
ExhaustFan  Exhaust fan alarm  OK…Fault        x   
ExhaustFan fdbk  Exhaust fan Feedback (eg. Pressure Switch)  OK…Fault        x   
Filter  Filter alarm (only if combined Fan)  OK…Fault        x   
Supply Filter  Supply Filter alarm   OK…Fault        x   
Exhaust Filter  Exhaust Filter alarm   OK…Fault        x   
Frost protect hrec  Heat recovery Frost monitor  OK…Fault        x   
Hrec  Heat recovery alarm  OK…Fault        x   
HrecPump  Heat recovery Pump alarm  OK…Fault        x   
HrecPump fdbk  Heat recovery Pump Feedback  OK…Fault        x   
Htg frost protect  Htg frost protect Detector  OK…Fault        x   
Heating pump  Heating pump alarm  OK…Fault        x  Section: 
HtgPump fdbk  Heating pump Feedback  OK…Fault        x   
ElHeating  Electrical Heater alarm  OK…Fault        x   
Humidifier fdbk  Humidification Feedback  OK…Fault        x   
Humidifier pump  Humidification Pump alarm  OK…Fault        x   
HumidifierPump fdbk  Humidification Pump Feedback  OK…Fault        x   
CoolingDx  Dx Cooling alarm  OK…Fault        x   
Basis Document Siemens Climatix Control System
BDCX.100820.01GB
Page 190