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Siemens  Standard application AHU  CE1P3977en_02 
Building Technologies  Appendices  01.02.2010 
 
Name  Type  Position 
(IO 
Check) 
 
Name  Type  Position 
(IO 
Check) 
Supply damper (combined)  DO  131    DX cooling output 1  DO  150 
Exhaust damper  DO  132    DX cooling output 2  DO  151 
Fire damper  DO  133    Extra electrical heater output 1  DO  152 
Supplyfan output 1  DO  136    Extra electrical heater output 2  DO  153 
Supplyfan output 2  DO  137    Pump Extra heating  DO  154 
Supplyfan output 3  DO  138    Pump Extra cooling  DO  155 
Exhaustfan output 1  DO  139    DX cooling extra cooler output 1  DO  156 
Exhaustfan output 2  DO  140    DX cooling Extra cooler output 2  DO  157 
Exhaustfan output 3  DO  141    Aux time switch program  DO  165 
Electrical heater output 1  DO  145    Aux operation mode indication  DO  166 
Electrical heater output 2  DO  146    Alarm output High/A (combined)  DO  168 
Pump heater  DO  147    Alarm output Low/B  DO  169 
Pump/Manoeuvre recovery  DO  148    Humidifier  DO  171 
Pump cooler  DO  149    Pump humidity  DO  172 
 
Digital outputs 
Basis Document Siemens Climatix Control System
BDCX.100820.01GB
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