Shellab BACTRON600 - Manual (Page 21)

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CONTROL PANEL OVERVIEW (CONTINUED)
Pass Box Doors Light
The clear Doors pilot light indicates that both pass box doors are closed. This light must be on in
order to cycle the pass box.
Anaerobic Light
This is light activates after the completion of a full auto cycle of the pass box Interior.
Aerobic Light
This light activates when the outer pass box door has been opened, exposing the pass box to
aerobic atmosphere. It remains on until the next completion of a full auto cycle.
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