23
Ductless
Fume
Hoods
5.2.3
Secondary
Backup
Filter
Changing
Procedure
1.
Unscrew,
open
and
remove
the
backup
filter
clamp
2.
Replace
the
secondary
backup
filter
3.
Reverse
the
above
steps
to
finish
the
procedure
5.3
Replacingthe
Airflow
Sensor
1.
Lower
the
Sash
Balancing
until
below
the
sensor
cover
level
2.
Open
the
sensor
cover
3.
Open
the
sensor
housing
(electrical
glan)
4.
Take
the
sensor
out
of
the
housing
5.
Replace
the
sensor
6.
Reverse
the
above
steps
to
finish
the
procedure
Backup
Filter
Clamp
Secondary
Backup
Filter
Sash
Balancing
Sensor
SensorCover
Summary of Contents for Ascent max
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