Applications .................................................................................................................. 11
Basic Operation ............................................................................................................ 12
Control Loops ......................................................................................................... 12
Calibration ................................................................................................................. 12
Warning Operation .................................................................................................. 13
Alarm Operation ...................................................................................................... 13
Alarm Strategies ..................................................................................................... 14
Emergency Purge Feature ........................................................................................ 14
Fail-safe Operation .................................................................................................... 16
Fume Hood Controller ............................................................................................ 16
ODP ........................................................................................................................ 16
Pneumatic Actuator ................................................................................................ 16
AO-P Module .......................................................................................................... 16
Point Database .............................................................................................................. 17
Troubleshooting ........................................................................................................... 20
Preventive Maintenance ............................................................................................ 20
Safety Features ......................................................................................................... 21
Controller LEDs ......................................................................................................... 21
Glossary ........................................................................................................................ 22
Index .............................................................................................................................. 26
VI
Siemens Building Technologies, Inc.