PLEASE NOTE AT THIS TIME YOU CAN ONLY DOWNLOAD THIS FILE from WINDOWS 10 with google chrome, we are looking into this problem.
NEW TC 611 updates + installation instructions below:
611 upgrade v18 which has just programming updates to help the controller run smoothly and will improve the overload cutout system
Put a clean usb stick into your computers usb port.
From this download page click on this green button DOWNLOAD HERE
When the download is complete go to your download page and select this file ZTC611.hex DO NOT RENAME OR SAVE THIS FILE but left click to high light this file, then right click this file, a drop down menu will appear, go down this menu to “SEND TO” and left click here, this will add a further drop down, select your usb stick from this menu and left click. This action will send the file ZTC611.hex to your usb stick. When complete remove your usb stick and go to your 611 Controller.
Look at the back of your 611 from the 4 way green plug count 4 ports to your right this is your usb port, insert your usb stick into this port. Turn on the mains and the controller will do the rest for you. When the 611 says “press clear to run” remove your usb stick and press Clear and enjoy your controller.