Installation
1.Verify if the existing PSIO module is defective, by using the procedure described in the Troubleshooting Guide section, and Control Modules section. Do not select the Attach to Network Device table if the LID displays communication failure.
2.Data regarding the PSIO configuration should have been recorded and saved. This data will have to be reconfigured into the LID. If this data is not available, follow the procedures described in the Set Up Machine Control Configuration section.
If a CCN Building Supervisor or Service Tool is present, the module configuration should have already been uploaded into memory; then, when the new module is installed, the con- figuration can be downloaded from the computer.
Any communication wires from other machines or CCN modules should be disconnected to prevent the new PSIO module from uploading incorrect run hours into memory.
3.Check that all power to the unit is off. Carefully disconnect all wires from the defective module by unplugging the 6 connectors. It is not necessary to remove any of the individual wires from the connectors.
4.Remove defective PSIO by removing its mounting screw with a
5.Package the defective module in the carton of the new module for return to Carrier.
