If you have not read the manuals for setting them up, start by doing that. Now, what part of the manuals are confusing to you?
First, set up the MMGs with the DWM in accordance with their instructions. Set them up as if you were only running a 2 channel system (i.e., only have them hooked up, and tell your surround processor that all you are using is the front right and left channels). After they are set up, add the CC5 and set it up in accordance with its instructions.
In all cases, you will need to carefully follow the instructions in the manuals. You need to go through them slowly, step-by-step in order to get it right. Probably, the people at Magnepan will be your best bet for detailed help (with their toll-free number), but feel free to ask here if you wish.