3/07  UDC3500 Universal Digital Controller Product Manual  vi 
3.19  Input 5 Set Up Group ..............................................................................................................130 
3.20  Control Set Up Group .............................................................................................................133 
3.21  Control 2 Set Up Group ..........................................................................................................142 
3.22  Options Set Up Group.............................................................................................................149 
3.23  Communications Set Up Group...............................................................................................161 
3.24  Alarms Set Up Group..............................................................................................................165 
3.25  Real Time Clock Set Up Group...............................................................................................173 
3.26  Maintenance Set Up Group.....................................................................................................174 
3.27  Display Set Up Group .............................................................................................................177 
3.28  Read Maintenance Set Up Group............................................................................................179 
3.29  Time Events Set Up Group .....................................................................................................180 
3.30  P.I.E. Tool Ethernet and Email Configuration Screens...........................................................182 
3.31  Configuration Record Sheet....................................................................................................185 
4  MONITORING AND OPERATING THE CONTROLLER...................................193 
4.1  Overview.....................................................................................................................................193 
4.2  Operator Interface.......................................................................................................................194 
4.3  Entering a Security Code ............................................................................................................194 
4.4  Lockout Feature ..........................................................................................................................195 
4.5  Monitoring Your Controller........................................................................................................197 
4.5.1  Annunciators....................................................................................................................197 
4.5.2  Viewing the operating parameters....................................................................................198 
4.5.3  Diagnostic Messages........................................................................................................199 
4.6  Start Up Procedure for Operation ...............................................................................................200 
4.7  Control Modes ............................................................................................................................201 
4.7.1  Mode Definitions .............................................................................................................201 
4.7.2  What happens when you change modes...........................................................................202 
4.8  Setpoints......................................................................................................................................202 
4.9  Timer...........................................................................................................................................204 
4.10  Accutune III.............................................................................................................................205 
4.10.1  Tune for Simplex Outputs ............................................................................................207 
4.10.2  Tune for Duplex (Heat/Cool) .......................................................................................208 
4.10.3  Using AUTOMATIC TUNE at start-up for Duplex (Heat/Cool).................................209 
4.10.4  Using BLENDED TUNE at start-up for Duplex (Heat/Cool)......................................210 
4.10.5  Using MANUAL TUNE at start-up for Duplex (Heat/Cool).......................................211 
4.10.6  ACCUTUNE Error Codes............................................................................................212 
4.11  Fuzzy Overshoot Suppression.................................................................................................213 
4.12  Using Two Sets of Tuning Constants......................................................................................214 
4.13  Input Math Algorithms............................................................................................................216 
4.14  Logic Gate Operation..............................................................................................................218 
4.15  Digital Input Option (Remote Switching)...............................................................................221