various CCN modules is different for each module. In general, the uploading process will take 3 to 5 minutes.

Changing Refrigerant Types

To select refrigerant type, go to the Control Test table. Whenever the refrigerant type is changed, the ATTACH TO NETWORK DEVICE table must be used. After changing the refrigerant type in the Control Test table, move to the ATTACH TO NETWORK DEVICE table. Make sure the highlight bar is located on the LOCAL selection. Press the ATTACH softkey. The information in the PSIO module will now be uploaded. The default screen will appear. The new refrigerant type change for the controller is complete.

Attaching to Other CCN Modules

If the machine PSIO has been connected to a CCN Network or other PIC controlled chillers through CCN wiring, the LID can be used to view or change parameters on the other controllers. Other PIC machines can be viewed and set points changed (if the other unit is in CCN control), if desired from this particular LID module.

To view the other devices, move to the ATTACH TO NETWORK DEVICE table. Move the highlight bar to any device number. Press SELECT softkey to change the bus number and address of the module to be viewed. Press EXIT softkey to move back to the ATTACH TO NETWORK DEVICE table. If the module number is not valid, the ‘‘COMMUNICATION FAILURE’’ message will show and a new address number should be entered or the wiring

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Carrier PC211 specifications Changing Refrigerant Types, Attaching to Other CCN Modules