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Siemens  Standard application AHU  CE1P3977en_02 
Building Technologies  Configuration  01.02.2010 
Parameter  Range  Function 
Cooling 2 pump  No  No additional water cooling pump. 
  Yes  Water cooling pump without pump kick. Digital output for the pump. 
  Yes+Kick  Water cooling pump with pump kick. A digital output for pump and ac-
tivation of pump kick. 
Pump kick: Pump is switched on for a short period after idling for a 
longer period. This prevents lock up. 
Cooling 2 pump alm  No  Pump without alarm or feedback. 
  Alarm  Pump with alarm. Digital input for pump alarm. Logical 1 = alarm, im-
mediately shuts down the pump. 
  Fdbk  Pump with feedback. Digital input for feedback (logical 1 = Pump running). 
  Both  Pump with alarm and feedback. Two digital inputs for pump alarm and 
feedback. 
Cooling 2 Dx alarm  No  Additional direct expansion evaporator without alarm or feedback. 
  Alarm  Direct expansion evaporator with alarm. Digital input for pump alarm. 
Logical 1 = alarm, immediately shuts down the pump. 
  Fdbk  Direct expansion evaporator with feedback. Digital input for feedback 
is enabled (logical 1 = Pump running). 
  Both  Direct expansion evaporator with alarm and feedback. Two digital in-
puts for alarm and feedback. 
Cooling 2 control    Positioning of additional cooling register. 
  StandAlone  Cooling register not integrated in sequence. An additional analog input for 
one control sensor (if not already enabled for Heating 2 or El Heating 2). 
  InSequence  e.g. integrated as second cooling register in the sequence. 
Fire damper fdbk    Fire damper feedback. 
  Closed  Only one feedback for close. Digital input. 
  Clsd+Opnd  Two separate feedbacks for open and close. Two digital inputs. 
  Combined  Two feedbacks for open and close, but only one signal. The syntax 
must be correct 1->0->1 => Close-> Movement -> Open. Digital input. 
Auxiliary input  No  No auxiliary input. 
  Input  An additional digital input for display only. 
  Alm  An additional digital input with alarm. 
  Inp+Alm  Two additional digital inputs. One for display and one with alarm. 
Aux tmp sensor  No  No additional analog input. 
  Yes  Additional analog input to connect a temperature for display. 
Aux TSP output  No  No additional digital output. 
  Yes  An auxiliary digital output controller by its own time switch program. 
Aux A outp fan  No  No additional analog output. 
  Yes  Auxiliary analog output that provides a 0-10 V signal depending on the 
present fan step. 
Aux op mode 
indicat 
No  No additional digital output. 
  Yes  An additional digital output, switched dependent on present operating 
mode (e.g. Comfort or Off). 
Configuration 2    This parameters enable the plant after successful parameterization. 
Enable occurs when Configuration 1, Configuration 2 and Configura-
tion IOs are completed, i.e. when each has the value "done". 
  NotDone  Plant locked against switching on. 
  Done  The plant is unlocked after complete parameterization (Configuration 
2 and Configuration I/Os also have a value "done"), i.e. it can be 
switched on. 
Needed Required !!  Passive 
Execute 
Reset required after successful parameterization in Configuration 2. 
Assumes the appropriate presettings for Configuration I/Os. 
After reset, value automatically goes from execute to passive. 
Basis Document Siemens Climatix Control System
BDCX.100820.01GB
Page 166