Part 5 – Diagnosis and Troubleshooting
7 USB function
Installers can quickly copy the wired controller parameter settings or update the program via USB disk, which save the
time of on-site installation.
Step 1
Insert the USB into port CN26 on the main PCB. If the unit is operating, then it will shut down.
Digital display
USB port, CN26
SW2 CHECK button
SW1 COOL button
Step 2
Press “SW2 CHECK” button to choose which function you need.
Input parameters setting data
Output parameters setting data
Step 3
Press “SW1 COOL” button to confirm.
Input parameters setting data successfully
Input parameters setting data unsuccessfully
Output parameters setting data successfully
Program update successfully