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Siemens Standard application AHU CE1P3977en_02
Building Technologies Configuration 01.02.2010
Parameter Range Explanation
RtSplyC Su Return / supply air cascade control during the summer; supply air
temperature control only during the winter.
Room Room control only.
Exhaust Return air temperature control only.
Hrec damper Select heat recovery control with mixed air dampers.
No No mixed air damper.
Normal Mixed air damper with output signal 100% for complete recircula-
tion.
Inverse. Mixed air damper with output signal 0% for complete recirculation.
Heat recovery Select heat recovery control with wheel, plate or hot water heat
exchanger.
No No heat recovery.
Wheel Wheel heat exchanger. An analog output to control heat wheel.
PlateExch Plate heat exchanger. An analog output to control bypass damper.
Water Water heat exchanger. An analog output to control the valve.
Heating No No heating circuit.
Yes Heating register without preheating the register.
Analog output for heating valve.
Yes+PreHeat Heating register with preheating the register.
Analog output for heating valve.
Electrical heating Electric heating register with control type.
No No electric heating register available.
Analog Electric heating register with control via an analog output.
1Step 1-step electric heating register with control via one analog and one
digital output.
2Steps 2-step electric heating register with control via one analog and two
digital outputs.
3Steps 3-step electric heating register with binary encoded control via one
analog and two digital outputs.
Cooling Select cooling register with type.
No No cooling register.
Water An analog output for the water register valve.
DX 1Step One analog and one digital output for 1-step control of a direct ex-
pansion evaporator.
DX 2Steps One analog and two digital outputs for 2-step control of a direct
expansion evaporator.
DX 3Steps One analog and two digital outputs (binary) for 3-step control of a
direct expansion evaporator.
Humidity control Humidification and dehumidification.
No No humidification and dehumidification.
Hum One analog and one digital output for humidifier. Only possible if
the room or supply air humidity sensor is enabled.
DeHum Dehumidification controller. Only possible when cooling enabled.
Hum+DeHum Humidification and dehumidification.
Heating 2 No No additional heating register.
Yes Additional heating register without preheating the register.
Analog output for heating valve.
Yes+PreHeat Additional heating register with preheating the register.
Analog output for heating valve.
Basis Document Siemens Climatix Control System
BDCX.100820.01GB
Page 157
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