T-362
7–36
7.27.3
Removing and Installing a Controller
Removal:
1. Disconnect all front wire harness connectors and move wiring out of the way.
2. The lower controller mounting is slotted. Loosen the top mounting screw (see
) and lift up and out.
3. Disconnect the back connectors and remove the module.
4. When removing the replacement module from its packaging, note how it is packaged. When returning the
old module for service, place it in the packaging in the same manner as the replacement. The packaging
has been designed to protect the module from both physical and electrostatic discharge damage during
storage and transit.
Installation:
1. Install the module by reversing the removal steps.
2. Torque values for mounting screws (item 2, see
) are 0.23 mkg (20 inch-pounds). Torque value
for the connectors is 0.12 mkg (10 inch-pounds).
7.27.4
Battery Replacement
Standard Battery Location (Standard Cells):
1. Turn unit power Off and disconnect the power supply.
2. Slide the bracket out and remove the old batteries. (See
, Item 8.)
3. Install new batteries and slide the bracket into the control box slot.
CAUTION
!
Use care when cutting wire ties to avoid nicking or cutting wires.
Standard Battery Location (Rechargeable Cells):
1. Turn unit power Off and disconnect the power supply.
2. Disconnect the battery wire connector from the control box.
3. Slide out and remove the old battery and bracket. (See
, Item 8.)
4. Slide the new battery pack and bracket into the control box slot.
5. Reconnect the battery wire connector to the control box and replace wire ties that were removed.
Secure Battery Option (Rechargeable Cells Only):
1. Turn unit power Off and disconnect the power supply.
2. Open the control box door and remove both the high voltage shield and clear plastic rain shield (if installed).
3. Disconnect the battery wires from the “KA” plug positions 14, 13, 11.
4. Using Driver Bit, Carrier Transicold part number 07-00418-00, remove the four screws securing the display
module to the control box. Disconnect the ribbon cable and set the display module aside.
NOTE
The battery wires must face toward the right.
5. Remove the old battery from the bracket and clean bracket surface. Remove the protective backing from the
new battery and assemble to the bracket. Secure battery by inserting the wire tie from the back of the
bracket around the battery, and back through the bracket.
6. Reconnect the ribbon cable to display and re-install the display.
7. Route the battery wires from the battery along the display harness and connect the red battery wire and one
end of the red jumper to “KA14,” the other end of the red jumper wire to “KA11,” and the black wire to
“KA13.”
8. Replace wire ties that were removed.
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