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e. Line Voltage Low line voltage will reduce plating current and efficiency. High line voltage will cause plating current and voltage to be too high for proper operation. f. Agitation ation It is necessary to constantly introduce fresh chemistry next to the cathode and anodes. This is accomplished by circulating or agitating the solution. g. Plating Current In a silver rich solution with a pH of 4.5, one troy ounce of silver will be plated for approximately every 8 amps of plating current in one hour. 4 Set up and Operation (Plumbing and Electrical) Follow manufacturers instructions for the connection of pipes, hoses or other plumbing fixtures. All units will have an inlet for silver bearing solutions and an outlet as well. For Recirciulating units the outlet will return to the fixer tank. For terminal units the outlet will be connected to subsequent treatment components, holding tanks or go directly to drain. Plug in the unit or otherwise connect to the appropriate power source according to manufacturers instructions. Additional electrical connections may be required to activate control systems or auxiliary pumps. Be sure to check with processor manufacturers instructions if any connections between the electrolytic recovery unit and the film or paper processor are to be made. After set-up and installation are complete turn on the power according to manufacturers instructions. In most units, solution must be in the units plating chamber(or internal holding tank)before power is on. Set the current or voltage manually, or otherwise check that the automatic control system is working. Ongoing operation of an electrolytic unit requires all plumbing connections remain intact and leak free and that all power connections also remain in good contact. Periodic manual control of current/voltage or the checking of automatic control systems according to manufacturers instructions is important for proper ongoing operations. I 1