Specifications

Table of Contents
Siemens Building Technologies, Inc. iii
Additional Parameter Settings............................................ 70
Flying Start .................................................................... 70
Automatic Restart.......................................................... 72
Vdc Controller................................................................ 74
Pulse Frequency ........................................................... 74
Reset to Factory Defaults.............................................. 75
Network Communications ............................................. 76
Changing Individual Parameter Digits ................................ 77
Maintenance ........................................................................... 78
Prerequisites....................................................................... 78
General Inspection and Cleaning ....................................... 78
Muffin Fan Inspection and Cleaning................................... 78
Re-energize Unit................................................................. 79
DC Bus Integrity Test ......................................................... 79
Contactors and Switches.................................................... 79
Motor Bearing Wear ........................................................... 79
Troubleshooting..................................................................... 80
Reading Faults ................................................................... 80
Resetting Faults.................................................................. 81
Troubleshooting the Operator Panel .................................. 82
Troubleshooting Using the Operator Panel........................ 83
Fault Codes ........................................................................ 84
Warning Messages............................................................. 92
Replacement Parts ................................................................ 96
Repair...................................................................................... 97
Technical Specifications....................................................... 98
Appendix A: Parameters, Defaults, and Settings............... 100
Appendix B: SED2 Point Maps............................................. 111
Glossary.................................................................................. 117