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DISCHARGE COLUMN ASSEMBLY The discharge shall be 14 inches, designed for a 16 inch (flange) (dresser coupling) . MOTOR The motor shall be 480 volt, 3 phase, 60 cycle, not more than 1160 RPM at no load, and shall be of the proper size to drive the pump continuously under the total head specified. DUPLEX AIR BUBBLER CONTROL PANEL GENERAL The models V-1215 and V-1215-1 Air Bubbler control panel is of wall mounted NEMA 12 construction. Built in accordance with the latest NEMA, and National Electric code standards. As manufactured by Vanco Controls, Inc. or app- roved equivalent. The control panel shall contain all electric and pneumatic components req- quired for the automatic operation of the pumps. A 1/12 HP air compressor shall be mounted on top of the control panel, with all electrical and pneumatic connections factory installed. All power wiring shall be black THW, and control wiring red MTW, with the exception of the neutral, which shall be white, and the ground wire which shall be green. Each wire shall be labeled at each end with the appropriate wire number, corresponding to the wiring diagram. Wiring shall be run in plastic wire duct to provide easy access to wires. All wires to remote devices shall be pre-wired to terminal blocks. Electrical and pneumatic components shall be separated by a steel barrier, and each compartment shall have a separate access door. A 1 KVA transfor- mer shall be located in the electrical section to furnish 120v 1phase power to the air compressor and control circuit. CIRCUIT BREAKERS Two De-ion circuit breakers sha.11..be mounted in the electrical section of the control panel, to ve-las overload protection, ,and a disebnpecting means for each pump mEach c)rcuit.breaker shall }ye m@ct6ntically'interiocked with the access to prevent the'door from being ope;ed unless both circuit breakers are in tete tiff-positjon. The circuit bft shall be suff- iciently rated to protect fhe Spedified hertz motor. All circuit breakers shall have thermal-magnetic overloads.4¢enC� .•.. - __.._.,..,-..--------- ...._..a..... .,...• ....... ....................... ........