Shellab BACTRONEZ - Manual (Page 20)

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CONTROL PANEL OVERVIEW (CONTINUED)
Pass Box Vacuum Controller and Digital Display
The main control panel vacuum gauge-controller displays the level of vacuum in inches of mercury
in the pass box interior. It controls the application of vacuum to the pass box during the pass box
auto cycle.
Figure 4: Pass Box Vacuum
Controller and Display
Automatic Start / Reset Switch
The all black Automatic Start / Reset switch initiates or aborts the pass box’s auto vacuum -and-
gas-recharge cycle used to remove aerobic atmosphere from the pass box. Pressing then releasing
on the left (Start) the will initiate the auto cycle. Pressing and holding on the right (Reset) for three
seconds will abort and then restore the pass box to a near standard atmospheric pressure sufficient
that the pass box doors can be easily opened.
Pass Box Gas Light
This light indicates that the anaerobic mixed gas is being injected into the pass box during the auto
cycle. The pass box Gas light does not illuminate during manually gas injections.