It depends.For liquid coolers, should the fans blow air from the radiator or towards the radiator?
Those fans should be blowing up and out of the case, through the rad.It's a Corsair 750D casing. The radiator is mounted on the top. The fans are mounted on the inside and pull air from the radiator inside the case.
I am using Lian Li Galahad 360. Past few days my CPU is overheating.