The only thing that should be DCC is the bridge track. The motor should be operated on regular AC or DC.
If the Con-Cor motorizing kit says it truly is for DCC operation, you need to contact Con-Cor for wiring instructions if you don't already have them.
http://www.con-cor.com
I need to wire a heljan turntable with a con-cor motorizing unit for DCC can anyone help.