name: Component Cooling Water System abbrev: CCW functions: - > Transfer heat from the following components to the RPSW system by CCW heat exchangers during normal operation, scheduled and unscheduled shutdowns, including hot and cold maintenance, and during refueling. * Decay heat removal system heat exchangers * Makeup and purification system letdown heat exchangers * Reactor coolant pump heat exchangers * Control rod drive mechanism cooling jackets * Suppression pool heat exchangers