They don't perform the same tasks so there shouldn't be any need to configure them to work together, but I don't understand why you have put yourself in that position where you need to ask the question.
Why didn't you install Comodo Internet Security which is also free but includes antivirus? They were obviously designed to work together. You don't trust Comodo Antivirus perhaps? Well it's never let me down & I've been using it for 5 years on all three of my computers.