Data Sheet for Product

6
Siemens
Datasheet
A6V10959858_en
Smart Infrasructure
2020-07-30
Operation
The fume hood operating panel displays the current condition of the fume hood by illuminating
one of its three status LEDs. The average face velocity of the fume hood can be displayed in
ft/min or m/s.
During an abnormal operating condition, the QMX3.P87 displays various messages to alert you
of the condition.
Horn silence button
Pressing the Horn Silence button will turn the internal audible alarm off for the current alarm
event.
Emergency max button
Emergency max automatically overrides any other control mode in the Fume hood controller.
Pressing the Emergency max button will remove contaminated air from the fume hood by
switching to an emergency exhaust flow level.
The internal audible alarm will sound.
Pressing the Emergency max button a second time reverts the FHC to normal operation for the
current conditions.
Display layout of fume hood operating display panel
● A - text messages
● B - setpoint, actual value, dynamic icon or text
● C - light display
● D - audible state display
● E – sash close display