Hi JongHan,
You can reach Installation guide of S4HANA as follow:
http://help.sap.com/s4hana_op_1511
We could not find "UC Kernel S4_750 " during base installation of 1511. Could you please share with us which kernel version you used for installation of SAP S/4HANA On Premise Edition 1511 ?
Regards,
Ugur AKDUMAN