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Critical Room Control CRC-FHM User Manual

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Fume Hood Monitor and Controller User Guide 5 © 2016 CRITICAL ROOM CONTROL
Air Flow Alarm
When the current face velocity (FPM) or volumetric (CFM) reading goes outside of the alarm high
and low parameters, the unit will go into alarm. The FHM/C can be configured with an audible
alarm delay (nuisance delay). When an audible alarm delay is used, the "Hood Caution” screen
with a yellow background will be displayed until the timer runs out and the unit goes into alarm.
It is important to note that the FHM/C's face velocity and CFM alarm is ONLY active when in the
“IN USE” mode. Face velocity and CFM alarms are not active while in the “STANDBY” or
“Decommission” mode.
t
AUDIBLE ALARM MUTE
HOOD FLOW NORMAL
LOSS OF HOOD EXHAUST
No alarm /
hood normal
Green background
Easy to read "Safe
Flow" icon
LOSS OF HOOD EXHAUST
Displays current
drop in flow rate
Caution Icon
Caution text
with instructions
to user
HOOD EXHAUST ALARM
Audible alarm
sounds
Red background
Alarm icon
AUDIBLE ALARM DELAY EXPIRES
USER MUTES AUDIBLE ALARM
Alarm text
with instructions
to user
Audible alarm icon
/ mute button
Muted audible
alarm icon
All visual alarm
indications remain until
air flow is restored

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Critical Room Control CRC-FHM Specifications

General IconGeneral
BrandCritical Room Control
ModelCRC-FHM
CategoryController
LanguageEnglish

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