Application
Table Of Contents
3
Siemens Industry, Inc. Application Note, App 2051 140-1137
2014-05-01
Table of Contents
Overview ........................................................................................................................4
Hardware Inputs ..............................................................................................................5
Hardware Outputs ...........................................................................................................5
Ordering Notes ................................................................................................................5
Sequence of Operation .................................................................................................6
Control Temperature Setpoints ........................................................................................6
Room Temperature and CTL TEMP ................................................................................7
Day and Night Modes ......................................................................................................8
Night Mode Override Switch ............................................................................................8
Heating/Cooling Switchover .............................................................................................8
Control Loops ..................................................................................................................9
Cooling Operation ...........................................................................................................9
Heating Operation ...........................................................................................................9
Fan Operation .................................................................................................................9
Cali bration ..................................................................................................................... 10
Fail Mode Operation ...................................................................................................... 10
Application Notes .......................................................................................................... 10
Wiring Diagram ............................................................................................................. 11
Application 2051 Point Database ................................................................................ 12