No, attach the X62 fans to the pump splitter. Make sure one of the fans goes to the single 4 pin connector. The second fan can go on any of the remaining three "3 pin" connectors. Connect the X62 pump connector to CPU_FAN. It can go anywhere and power is not supplied to the Kraken over this wire, so its main function is to prevent the CPU boot error you get when nothing is on CPU fan. Power to the unit will come from the SATA connection.
The X62 lead can go anywhere, but you need something on CPU Fan to boot. The AIO header or W_Pump header is more useful for units that do not have their own fan controller or if you wish to control those fans from the motherboard directly. Additionally, the CPU fan and OPT headers have limited other use as case fan headers and CPU temp is going to be the only available control variable. You should be able to re purpose the AIO header to act like a normal CHA Fan header, if you need it for one of your other fans.
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