Operating Instructions

Fume Hood Monitor Owner's Manual
2-2 Siemens Building Technologies, Inc.
Figure 2-1. FHM External Components.
LCD Text Strings
The LCD can show the face velocity of the fume hood in ft/min. or m/sec. It also shows the
status of the FHM with the following text strings:
Text String…
……
… Indicates that…
……
…
LOW FACE VELOCITY The fume hood airflow is below the limit.
HIGHFACEVELOCITY The fume hood airflow is above the limit.
USER ALARM The user pressed the EMERGENCY button.
GENERAL FAILURE A hardware failure exists.