Cooper Industries Inc.
Crouse-Hinds Division IF 1551
PO Box 4999, Rev 1
Syracuse, New York 13221 • U.S.A. New 01/08
Copyright© 2007, Cooper Industries, Inc.
Control Board Assembly -
PCB100
Removal
1.
Use either of the previous subsections
Rack Mount Access or Wall Mount
Access as required.
2.
Disconnect the green connectors from
PCB100. Use a side-to-side motion to
ease their removal.
3.
Loosen, but do not remove, the two
slotted screws holding down the circuit
board.
4.
Disengage this circuit board from the
display panel board cable connector
and lift it away when the screw heads
clear the keyhole slots.
Replacement
1.
Reverse the removal procedure. Ensure
that PCB100 is fully engaged with
display panel board cable connector.
Display Panel Board Assembly -
PCB200
Removal
1.
Use either of the previous subsections
Rack Mount Access or Wall Mount
Access as required.
2.
Unplug the display panel board cable.
3.
From the front, remove the hex nuts
from the switches. Use a nut driver.
Take care to prevent scratching the
paint while removing the nuts.
4.
Behind the front panel, remove the
four screws holding the display panel
board to the front panel.
Replacement
Reverse the removal procedure.
Fail Relay - K1
Removal
1.
Use either of the previous subsections
Rack Mount Access or Wall Mount
Access as required.
2.
On the main chassis, disconnect the
harness at the relay. These harness
wires unplug individually.
3.
For the rack-mounted unit, remove the
Phillips-head screw holding the relay
to the main chassis.
4.
For the wall-mounted unit, remove the
four nuts that hold the chassis to the
base of the cabinet. Support the chassis
and remove the screw on the side of
the chassis that holds the relay.
Replacement
Reverse the removal procedure.
Transformer - T1
Removal
1.
Use either of the previous subsections
Rack Mount Access or Wall Mount
Access as required.
2.
Remove the transformer wires from
the terminals of green plug J502 on the
PCB100 board.
3.
Remove the 5/16-inch hex nuts from
the two mounting screws.
Replacement
Reverse the removal procedure. Refer to
the internal wiring in Figure 2-6. Follow
the color code exactly.
