Patent ID: 7617691

Claim:
A method of operating a refrigeration system comprising a compressor, a condenser, and a refrigeration branch including an evaporator coil, all of which being in fluid communication, a system controller operable to control one or more aspects of the refrigeration system, and a first compressor control module in communication with the system controller, the first compressor control module being operable to control the compressor, the method comprising the acts of: configuring the refrigeration system; replacing the first compressor control module with a second compressor control module; reconfiguring the refrigeration system, including communicating first configuration information from the second compressor control module to the system controller, and communicating second configuration information from the system controller to the second compressor control module; and wherein at least one of the first communication information and the second communication information comprises at least one of operating parameter information and safety parameter information, wherein the configuring the refrigeration system comprises configuring the first compressor control module, including communicating third configuration information from the system controller to the first compressor control module, wherein the method further comprises maintaining at least a portion of the third configuration information at the system controller, and wherein the second configuration information includes at least a portion of the maintained configuration information.