Standard

1, Back switch at rear of conveyor lining, to stop conveyor if tray or bus box has not been removed.

2, Lintel switch, to stop conveyor if any object protrudes beyond lining of conveyor, on ascending conveyors.

3, Sill switch, to stop conveyor if any object protrudes beyond the lining of conveyor, on descending conveyors.

4, Automatic override switch at top of shaft.

5, Bottom switch, to stop conveyor if tray or bus box has not exited from shaft, on descending conveyors.

6, Each floor has panel with clearing button, emergency stop button, and indicator light showing conveyor is in operation.

Optional

1, Floor selector panel, to cause trays on conveyor flights to stop at designated floor; and indicators showing conveyor is in operation.

2, Knee switch at each floor; allows control of conveyor without use of hands.

3, Header personnel safety switch.

4, Optical sensors to pinpoint blockages in system