I suggest you use the CHA_FAN1 header - item 26 on the diagram on p. 7 of your manual. I don't see full details of that fan on the case website, but I presume it has ONLY the simple 3-hole connector on the end of its wires, and no others. But SOME fans come also with a second connector that is larger and can connect to a PSU output. Do NOT connect that if you have it. Use ONLY the 3-pin standard fan connector to the mobo fan header.
Your last post says you have a different problem. The system does not POST. That is not likely due to the fan connection, but it could be other things. One of the most common causes in a new build is improper use of mobo stand-offs in the case. But before I go into those details, please confirm. Does you system still not POST? Does it do NOTHING when you push the front panel power button?