Commissioning Instructions

Before You Begin
Loop Tuning Procedures
18
Siemens Industry, Inc. 140-1318
Restricted 2015-11-04
2. Take the average measured face velocity and face area to determine the volume of
air exiting the hood. Use the calculation shown below:
CFM = ((Average measured face velocity) x (Open area of the hood))
Start-up is now complete. Set STARTUP MODE to 0, to enable the FHCs full
functionality.
Calculating Average Face Velocity