Table of Contentsii SCS 450 Serial Interface Installation & Service ManualConsole Programming ............................................................................................................. 28Data Entry .......................................................................................................................... 28Initial Console Programming ............................................................................................. 28Changing Initial Console Programming ............................................................................. 30Programming Additional System Data ............................................................................... 31System Features ..................................................................................................................... 32Data Menu ......................................................................................................................... 32Data Logger On/Off ........................................................................................................... 33Self Test Feature ............................................................................................................... 34Volume/Min Rate Fault ...................................................................................................... 35Volume/Area Rate Alarm ................................................................................................... 35Low Tank Fault .................................................................................................................. 35Automatic Rate +/- ............................................................................................................. 35Control Valve Delay and Valve Advance ........................................................................... 36Zero Speed Shut-Off .......................................................................................................... 36Data Lock Feature ............................................................................................................. 36Decimal Shift Feature ........................................................................................................ 37Chapter 6 Initial System Setup and Testing ........................................ 39Initial System Setup ................................................................................................................. 39Alternate Bypass Line System Setup ................................................................................ 40Initial System Field Test ........................................................................................................... 41Alternate Bypass Plumbing Initial System Field Test ......................................................... 41Chapter 7 Preventative Maintenance & Troubleshooting .................. 43General Preventative Maintenance ......................................................................................... 43Flow Meter Maintenance ......................................................................................................... 43Flow Meter Preventative Maintenance and Adjustment .................................................... 43Testing Flow Meter Cables ................................................................................................ 44Recalibrating the Flow Meter ............................................................................................. 45Speed Sensor Cables .............................................................................................................. 46Testing Speed Sensor Extension Cables ........................................................................... 46Troubleshooting ....................................................................................................................... 47Console Issues .................................................................................................................. 47Rate Control Issues ........................................................................................................... 48Chapter 8 Replacement Parts ............................................................... 51