TM 55-1930-209-14&P-4 Table 1-1.  Major Components of Chlorination System Component Quantity Function Location Chlorination unit 1 Generates and automatically Void 2 port maintains a hypochlorite solution for treatment of ROWPU product water entering drinking water tanks Chlorination unit 1 Holds hypochlorite solution Void 2 port on chlorina- holding (recycle) which is circulated to the cell tion unit skid, tank assembly by the recirculating inboard of brine tank pump, and provides chlorine to the metering pump Chlorination unit 1 Holds brine solution which is Void 2 port on chlorina- brine tank automatically added to the tion unit skid holding tank by the brine pump outboard of holding tank when needed Chlorination unit 1 Holds acid which is used to Void 2 port on chlorina- acid tank remove cell assembly scale tion unit skid during scale flushing operation outboard of holding tank Chlorination unit 1 Recirculated solution from Void 2 port on chlorina- circulating pump holding tank through cell tion unit skid assembly and back to holding tank Chlorination unit 1 Automatically provides brine Void 2 port on chlorina- brine pump solution to the holding tank tion unit skid when needed Chlorination unit 1 Controls chlorination unit Void 2 port on chlorina- control cabinet operation tion unit skid on top of power supply Drip pan sump 1 Discharges drainage from Void 2 port outboard tank and pump chlorination unit directly of chlorination unit skid overboard Metering pump 1 Injects measured amounts of Void 2 port on inboard chlorine into ROWPU product bulkhead forward water stream Chlorine sensor 1 Senses amount of chlorine Void 3 port in product being injected into ROWPU water overhead piping product water stream Metering pump 1 Starts and stops metering Void 2 port on inboard motor controller pump bulkhead forward Metering pump 1 Controls amount of chlorine Void 2 on inboard control unit being injected into ROWPU bulkhead forward product water by controlling metering pump operation Paddle flow switch 1 Automatically starts and stops Void 3 port in product metering pump when motor water overhead piping controller is in AUTO mode 1-7