Tech Support

Technical Support

Diamond Gard Technology Features

Mitsubishi Electric IS Technology. 668 patents in 2012 alone. As important as developing new technology and then the products to utilize this new technology is the support of these products as they hit the market. We provide diagnostic manuals, training manuals, installation guides, updated technical bulletins, and YouTube videos. Your understanding how our products work and how to use them is important to us. If you have a question, please call us toll-free on 1-888-MELCO 4U (1-888-635-2648) ext. 1, or email us at