Labconco Type C1 Biosafety Cabinet Models 30468 - Manual (Page 99)

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8”- and 10” Sash Operating Position Switches
The sash operating position switches signals the display microprocessor that the
sash is open too far for proper operation, as shown in Figure 6-8. Both switches
are wired in the normally open configuration, and the display microprocessor
only responds to the appropriate switch selected during configuration. If the
switch does not actuate properly when the sash is within ¼-inch of its operating
position, ensure the switch follower is properly actuating against the weight.
Figure 6-7
Sash Closure Position Switch properly
actuated against the sash weight
Figure 6-8
Sash Operating Position Switch
properly actuated against the sash
weight