Siemens BACnet ATEC 125-5050 - Manual (Page 5)

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Siemens Industry, Inc. BACnet ATEC Owner's Manaul
125-5050, Rev. AA 4/20/2010
Copyright Notice ....................................................................................... 3
How To Use This Manual .......................................................................... 7
Chapter 1 – Product Overview ................................................................. 9
Hardware Inputs ...................................................................................................... 10
Hardware Outputs ................................................................................................... 10
Power Wiring ...................................................................................................... 11
Communication Wiring ....................................................................................... 12
Controller LED Indicators ................................................................................... 12
Temperature Sensors .............................................................................................. 13
Room Temperature Sensor ................................................................................ 13
Duct Temperature Sensor .................................................................................. 13
Related Equipment ............................................................................................. 13
Chapter 2 – Applications ........................................................................ 14
Basic Operation ....................................................................................................... 14
Sequencing Logic (optional) ............................................................................... 14
Control Temperature Setpoints .......................................................................... 14
Day/Night Mode .................................................................................................. 14
Night Mode Override Switch ............................................................................... 14
Control Loops ..................................................................................................... 14
Calibration .......................................................................................................... 15
Damper Status Operation ................................................................................... 15
Fail-safe Operation ............................................................................................. 15
Heating and Cooling Switchover ........................................................................ 15
Modulate Damper During Heating Mode (optional)............................................ 16
Hot Water Reheat ............................................................................................... 16
Electric Reheat ................................................................................................... 16
Notes .................................................................................................................. 16
Application 2860 VAV Cooling Only ........................................................................ 17
Application 2861 VAV Cooling or Heating ............................................................... 17
Application 2862 VAV with Electric Reheat or Baseboard Radiation ...................... 17
Baseboard Radiation .......................................................................................... 18
Electric Heat Interlock ........................................................................................ 18
Application 2863 VAV with Hot Water Reheat ........................................................ 18
Application 2864 VAV Series Fan Powered with Electric Reheat ........................... 19
Fan Operation .................................................................................................... 19
Application 2865 VAV Series Fan Powered with Hot Water Reheat ...................... 20
Fan Operation .................................................................................................... 20
Application 2866 VAV Parallel Fan Powered with Electric Reheat ......................... 20
Fan Operation .................................................................................................... 21
Application 2867 VAV Parallel Fan Powered with Hot Water Reheat ..................... 21
Fan Operation .................................................................................................... 22
Application 2897 Slave Mode .................................................................................. 22
Using Auxiliary Points ......................................................................................... 22
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