Critical Room Control CRC-FHM User Manual

Fume Hood Monitor and Controller – User Guide 16 © 2016 CRITICAL ROOM CONTROL
Combination Sash – Sash Setup
The following screen contains the configuration options for a hood that has a horizontal sash
integrated into the vertical sash.
Select "Combo Sash"
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
Enter the total area in sqft. of the vertical sash opening
(width x height). Do not include bypass area.
Fully close the sash and click the "Calib." Button – this will
automatically enter the voltage for the closed position
Enter the total area in sqft. for just the bypass area
FIGURE 2: To set the Horizontal Start value -
open the vertical sash until the horizontal
start plane is aligned with the upper portion
of the vertical sash opening as shown here,
then press the Start "Calib." Button.
FIGURE 1: The following illustrates the Horizontal
START and STOP position when the vertical sash is
closed. Note that the horizontal sash (light blue) is
a sub component of the vertical sash (dark blue).
Fully open the Horizontal sash and click the "Calib." button.
Fully close the Horizontal sash and click the "Calib." button
Open the Vertical sash to the top of the Horizontal sash as
indicated in FIGURE 2 below and click the "Calib." button
Open the Vertical sash so that the bottom of the Horizontal
sash (stop) is at top of the Vertical sash opening and click
the "Calib." button
Enter the total sqft for open horizontal sash area

Critical Room Control CRC-FHM Specifications

General

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