Critical Room Control CRC-FHM User Manual

Fume Hood Monitor and Controller – User Guide 15 © 2016 CRITICAL ROOM CONTROL
Sash Setup
The FHM/C supports vertical sash, horizontal sash, and combination sash fume hoods.
Please note that the FHM/C's Sash Setup screens / options are only used when deriving face
velocity from sash position, a sash sensor is not needed for those fume hoods that are using
constant volume or sidewall sensing methodologies to display / control air flow.
Vertical Sash – Sash Setup
The following screen contains the configuration options for using a vertical sash sensor. The same
setup is used when the fume hood is equipped with just a horizontal sash.
Select "Vertical Sash"
Enter the total area in sqft. of the sash opening (width
x height). Do not include bypass area.
Close the sash to its fully closed position and click the
" Calib." Button – this will automatically enter the
voltage from the sash sensor for the closed position
Enter the total area in sqft. for just the bypass area
Open sash to its fully open position and click the
"Calib." Button – this will automatically enter the
voltage from the sash sensor for the open position

Critical Room Control CRC-FHM Specifications

General

Brand	Critical Room Control
Model	CRC-FHM
Category	Controller
Language	English