USB HVAC SERVICE VERIFICATION

摘要

An HVAC system includes an enclosure for containing components of the HVAC system. Associated with the enclosure is an HVAC system control unit including a microcontroller for controlling an operation of the HVAC system. The HVAC system control unit further includes a memory associated with the microcontroller and configured to store data associated with operation of the HVAC system. The microcontroller is configurable to directly transfer the data between the memory and a portable flash memory device. The HVAC system control unit further includes a portable flash memory device interface for coupling the portable flash memory device directly thereto.