: Go to the top toolbar on the AAON website.
: Updated Prism 2 Hex Files are also available as separate downloads for updating controller firmware. 📞 Technical Support Download AAON TNK zip
: Call 866-918-1100 (Mon–Fri, 7 AM – 5 PM CT). Factory Tech Support : Call 918-382-6450 . : Go to the top toolbar on the AAON website