Unit Controller—Software Installation and Setup
32 CG-SVX038A-EN
In the MCS-CONNECT software, select TRANSMIT SW.
Locate the extracted hex file and select Tra nsm it . Watch
the chiller LCD screen. After the file is uploaded, the Trane
MCS Digital Controller will verify that it’s a valid file and
then erase the flash memory. Next, it will write the new hex
to memory. When completed, the controller will reboot
itself. This process may take 15 or 20 minutes. After the
reboot is completed, close and restart the MCS-CONNECT
software to reestablish communication with the chiller.