1. A method of retrieving data for an active subnet controller of a subnet in an HVAC network, comprising: reporting by a device on said subnet of a loss of internal memory settings to said active subnet controller; recognizing said device by said active subnet controller; requesting at least one list of parameters from said device by said active subnet controller; and employing an order of said at least one list of parameters to convey corresponding stored values of these parameters from said active subnet controller to said coupled device.