Patent ID: 7243004

Claim:
A control for an HVAC system comprising: a central control for receiving information from each of a plurality of HVAC units, said central control being operable to receive information about characteristics of the plurality of HVAC units, and to access a memory of control algorithms, at least one of said plurality of HVAC units being of the type that there are several available models, and at least one of the characteristics of said one of the plurality of HVAC units is an identification of the particular model which has been incorporated into a system receiving said central control, said memory including a plurality of control algorithms, with each of said control algorithms being associated with a particular set of combination of characteristics of the plurality of HVAC units that may report to the control, and the particular model being included in said particular set of combination of characteristics of the plurality of the HVAC units, said control selecting one of said plurality of control algorithms associated with the particular combination of characteristics of the plurality of HVAC units that report to the control, and said central control being operable to control the plurality of HVAC units using said selected one of said plurality of control algorithms.