TUNNEL MASTER JR MANUAL
System Hardware 5
The Relay Box
Introduction
The Relay Box is the control center for “firing” the various outputs or
services in the wash tunnel, i.e., Soap foamer, Reclaim motor, etc. The
Tunnel Master Jr. Controller relay box provides for automatic, computer
controlled or manual firing of the outputs. The relay box can control up
to 24 outputs.
Exterior
picture
24 toggle
switches
Each switch controls the operation of one output or service. The switch
has three positions:
• UP = Manual Override- Will manually turn on output. (This feature
can be “turned off” if desired)
• MIDDLE = Output Off. The output will not “fire.”
• DOWN = Computer controlled on position (normal)-Computer turns
on output
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