Patent ID: 8140192
Filing Date: 2012-03-20
Classification: B60H,G05B

Abstract:
1. A system to program microcomputers associated with a plurality of bus rooftop air conditioners comprising: a plurality of air conditioner modules located on a bus rooftop, each air conditioner module including a microcomputer, each microcomputer connected to a CAN (computer area network) bus connection, the CAN bus common to each microcomputer; and a programming device communicatively coupled to at least one of the microcomputers of one of the plurality of air conditioner modules, wherein said programming device transfers a software update to install an updated version of software code to said at least one of the microcomputers followed by said at least one of the microcomputers transferring said software update to each of the microcomputers in the of air conditioner modules located on a bus rooftop.