SECTION A, PAGE 4
A6.2 WIRING 9180iM, 9180iL, and
9180iD series CONTROLS: Remove the
four outer screws on the control face plate. Lift the
white faceplate up slightly and carefully rotate the
front panel from the top to expose the wiring
terminals. A bracket is provided to prevent the
panel from going more than 90
0
as shown in the
photo to the right. Connect wires in this position.
This will make wire installation easier, and be sure
that the panel will be able to rotate outward in the
future should service be required.
A6.3 CONNECTION FOR ALL CONTROLS: Connect foot pedal, palm
buttons, or machine contacts per HOOK-UP DIAGRAM in the back of this book A.
a. If limit switch, pressure switch, and/or transformer thermostat is used, connect
per HOOK-UP DIAGRAM. If switches are PNP solid-state, check the
appropriate section on the HOOK-UP DIAGRAM.
b. If you are connecting two hand buttons for anti-tiedown initiation, there are two
choices:
i. Both of the switches have to have two NORMALLY OPEN contacts and
are wired per the HOOKUP-DIAGRAM.
ii. If your switches do NOT have two NORMALLY OPEN contacts, connect
them to a Unitrol part #9181-56 ANTI-TIEDOWN INTERFACE. If this
board was not ordered with this control it can be easily field installed for
this purpose.
c. If any of these are not being used, install jumpers as shown on the HOOK-UP
DIAGRAM. These jumpers are normally installed at the factory.
A7. SCR CONTACTOR OVERTEMPERATURE SWITCH: This
surface thermostat switch has been factory installed. It will open if the temperature of
the cooling block on the SCR contactor exceeds the switch setting. At that time the
control will display:
No operation of the control is possible until
this switch input has been closed.
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