Commissioning Instructions

Before You Begin
Fume Hood Specific Sash Setup and Calibration
6 | 11
Siemens Industry, Inc.
Restricted
Top Frame Measurement with Air Foil Removed.
7.
Measure the height of the top frame of the sash in inches (cm). The sash
frame holds the horizontal sash panels and occupies the outer edges of the
fume hood opening. Set TOP FRAME to this measured value.
Vertical Sash Fume Hood with Bypass Area Open and Closed.
8.
Open sash 1 until the top edge is aligned with top edge of bypass and close
sash 2. Measure the opening between sashes in inches (cm). Set BYPASS
HGHT to this value.
9.
If there is no restriction on the bypass, leave BYPASS OPEN at the default
(100%). If the bypass area has an airflow restrictor covering the open area,
such as a perforated grille or louvers, estimate the open percentage of the
bypass area. Set BYPASS OPEN to the appropriate value.
10.
Measure the height of the vertical sash that contains the horizontal panels in
inches (cm). Set VSASH HGHT1 to this value.
11.
Measure the height of the other vertical sash in inches (cm). Set VSASH
HGHT2 to this value.
12.
Measure the full vertical height of the fume hood opening in inches (cm). Set
TRACK HGHT to this value.