Patent ID: 8117862

Claim:
A module for use in one of providing information to and storing the information from an air conditioning apparatus, comprising: a handheld transportable device including an outermost housing, an electronic memory housed within said housing, and a connector for connecting said device to a controller of said apparatus for transferring information therebetween, the information comprising: at least one of a model number of air conditioning apparatus and a serial number of the air conditioning apparatus; and calibration data for operating parameters of said apparatus including selecting pressure and temperature limits specific to at least one of the model number and the serial number; wherein the controller does not form a portion of a programmable thermostat and the model number and the serial number are not a model number or a serial number of a portion of a programmable thermostat; wherein the handheld transportable device is configured to require communication with an external device to alter any information carried by the handheld transportable device and wherein the external device is located to the housing of the handheld transportable device; and wherein initially transferring the information converts the contoller from being incapable of controlling the air conditioning apparatus to being capable of controlling operation of the air conditioning apparatus and wherein the calibration data for operating parameters is necessary for at least an initial operation of the apparatus.