CHAPTER 5
USING YOUR PROTECTOR
PREMIER
Operating the Vertical-Rising Sash
Because of the Protector Hood counterbalanced sash mechanism, it will take only
a few pounds of force to move the sash up or down, and you can operate the sash
smoothly with one or two hands positioned any where along the handle. The
vertical-rising sash may be raised to a maximum 28" operating height. The
airflow requirements should be sized for the 28" operating height; if using sash
stops then the airflow requirements can be reduced by approximately 40% at 18".
See Chapter 2 for airflows. Optional models with auto-return to 18" or electric
Intelli-Sash are available.
Operating the A-Style Combination Sash
Some other hood models have additional energy saving sashes called A-Style
Combination Sashes in place of vertical-rising sashes. These combination sashes
allow the operator to use the hood with sashes either half open horizontally or
vertically to conserve energy. The horizontal sashes are used in normal operating
mode. Optional sets of sash stops can be installed to prevent raising the vertical
sash above the half-open and fully-closed positions unless manually defeated by
the operator. The airflow requirements are sized for the 50% open sash condition.
Operating the Blower
Your Protector Fume Hood utilizes a remote style blower, which can be activated
by turning the blower switch to “ON.” You can validate the hood performance by
watching smoke drawn into the hood face opening.
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