Critical Room Control CRC-FHM User Manual

Fume Hood Monitor and Controller – User Guide 8 © 2016 CRITICAL ROOM CONTROL
Commissioning Info Screen
The commissioning info screen is a feature of the CRC-FHM/C that displays key information on
the front screen to aid in the setup / startup of the fume hood. It also allows the commissioning
agent to change the P and I gains values directly from the front screen.
This feature can be turned on / off from the Exhaust Setup Screen.
Commissioning information values include:
• Current Analog Input 1-3 values (percentage of 0-10V signal)
• Current PID output / valve position (percentage 0-10v signal on AO 0)
• Current "WC signal from CRC-CLV
• Current CFM being exhaust by this hood
• Current total exhaust of all hoods (see hood summing feature) – “T CFM CAS”
• Current Air flow without display dead band and influence from min / max feature
• Total Sash Area - “Tot Area” (applicable for sash sensing only)
• Vertical Sash Area (applicable for sash sensing only)
• Horizontal Sash Area (applicable for sash sensing only)
• Voltage offset (see zeroing valve)
• FPM Offset (applicable for sidewall sensing only)
FPM Offset button allows
balancer to easily fine tune
the FPM signal coming from
our sidewall sensor
Set Stop Position is used only
with sidewall sensing and PSVC.
See sidewall setup for more
information.

Critical Room Control CRC-FHM Specifications

General

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