Southworth APCU Series, Operating And Maintenance Manual

Page: 39 / 46

APCU Owner’s Manual 39
Figure 8 Wiring Diagram - Operation Notes
Operation Notes:
• T
o operate the machine the green “E-STOP RESET” light must be on. The
“E-STOP RESET” light will only turn on when the system emergency stop
circuit is closed and the E-STOP RESET pushbutton is operated. Also, the
three (3) photo-eyes on the entry side of the machine must not be obstruct-
ed and the “GUARD RESET” pushbutton is operated. The GUARD RESET
light will turn off. The red “E-STOP” pilot light will turn on when either the
system E-STOP circuit is actuated, either of the E-STOP pushbuttons are
operated. The “GUARD RESET” pilot light will turn on when any of the
photo-eyes on the entry side of the machine are obstructed.
• In any emergency press either the E-STOP or the APCU STOP pushbut-
tons.
• Turn the manual/auto switch to auto for normal operation.
• To stop the machine in a non-emergency situation while it is raising to the
tilt position, turn the manual/auto switch to manual. Otherwise the machine
will stop tilting when the enclosure up prox. switch is actuated.
• To stop the machine while it is tilting, release the up or down pushbuttons.
Otherwise, the machine will stop tilting when the tilt frame up prox. switch is
actuated.
• To stop the machine in a non-emergency situation while it is automatically
lowering, turn the manual/auto switch to manual. Otherwise the machine
will stop tilting when the enclosure down and tilt frame down prox. switches
are actuated.
Installation Notes:
• A Jumper wire is supplied between terminals #4 & 11 (see line #3 of sche-
matic). Remove jumper wire if an additional E-STOP pushbutton or contact
is required.
If you need to view a larger drawing please call our customer service department at
800-743-1000 and ask for drawing #3064525T