Data Sheet for Product

2
Siemens Industry, Inc.
A6V10959882_en
Smart Infrastructure
2020-07-30
Features
● Digital display of face velocity in meters per second (mps) or feet per minute (Fpm)
● Digital display of exhaust airflow in cubic meters per hour (m
3
/h), cubic feet per minute (cfm)
and liters per second (l/s)
● Green, yellow and red LED status lights
● Alarm horn with dedicated silence alarm button
Use
The Fume hood operating display (QMX3.P88…) includes a custom designed package for visual
and audible indication of fume hood operating conditions and push-buttons for fume hood
setpoint operation, alarm silence and a schedule override function. The panel is mounted on the
fume hood in an easily accessible location. Two operating displays are supported per fume hood
controller.
Functions
Visual Indicators
Meaning
Action
Alarm Bell
● High airflow alarm
● Low airflow alarm
● Emergency purge
● Airflow measuring or sash measuring device failure
● Fume hood has been decommissioned
● Fire
● High exhaust air temperature
Follow lab safety procedures
Warning
Solid yellow
● High air low warning
● Low airflow warning
● Sash open above maximum operating position
● Stabilizing jet fan failure
Flashing yellow
● Fume hood use for lab room exceeded
Follow lab safety procedures for high airflow warning indication
Follow lab safety procedures for low airflow warning indication
Close sash to safe a operating position
Follow lab safety procedures for stabilizing jet fan failure
Close fume hood sash to reduce fume hood exhaust
Safe Mode
Solid green
● Normal operation, no alarms or warnings present
Flashing green
● Pending change to Low air volume flow mode
● Fume hood is operating in Low airflow mode, no
alarms or warning present
None
Follow lab safety procedures
Buzzer Off
Mutes audible alarm
None
Airflow Cycle Up
Cycles operating modes
None
Airflow Cycle Down
Cycles operating modes
None