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13. VP1000 THEORY OF OPERATION <br /> The Healy Systems VP1000 is a self-contained rotary vane pump, designed for gasoline vapor <br /> recovery utilizing various parts of the Healy System Vapor Recovery product line. It is intended <br /> for use by either OEM dispenser/pump manufacturers or as an after market add-on to make <br /> existing equipment compatible with Healy System technology. In order to convert to `others' <br /> equipment, an electronic interface is required to adapt the targeted pump/dispenser to the new <br /> vapor recovery equipment. The interface senses when authorization to dispense has been <br /> given and sends signals to the motor to operate at a low speed for one hose, or a higher speed <br /> for two hoses. It also functions to shut off the pump/dispenser if it senses that the vapor pump <br /> is not operating properly. The vacuum is regulated at a level sufficient to clear liquid gasoline <br /> from the vapor path in MPD applications. The actual amount of vapors withdrawn is controlled <br /> by the Healy nozzle, itself, in response to the liquid gasoline flow rate. <br /> MOTOR SPECIFICATIONS <br /> Horsepower 1/8 <br /> Voltage 120VAC <br /> INTERFACE SPECIFICATIONS <br /> Input voltage 120 VAC <br /> Relay current capacity 5A AC <br /> Input signals AC and DC voltages up to 130 VAC max <br /> Motor Input signal 5 VDC @ 20 Hz 50% Duty Cycle <br /> 15 <br /> CARE Approved IOM 8-Gilharco Gashoy 9800 Series-Executive Orders VR-PDI and VR-2D2 <br />