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a Installation Guide Example VSFC Installations RequirementsInstallation The Red Jacket Variable Speed Flow Controller(VSFC) is only to be used with CPT or VSFC pumps P200020-2, AGP20OT20-2 or P20OT20-2 (Standard,Quantum or RED JACKET models). The VSFC monitors pump output line pressure to ensure a constant flow to each nozzle in the fuel line, regardless of the number of nozzles in use at any time. Depending on observed line pressure,the VSFC varies the pump's fundamental frequency and power to increase or decrease the pump's rotational speed and hence its output pressure.When multiple tanks are connected to a common product line,one tank is designated the master tank and additional tanks are designated as slaves. A VSFC unit is required for each tank in a multiple tank system, but only the master tank requires a pressure transducer. The Red Jacket VSFC can be installed stand alone or in conjunction with a TLS-350 Console. If the TLS-350 Console also performs pressurized line leak detection,the VSFC independently controls the pump to maintain desired nozzle flow rate, and also operates the pump for line leak testing as directed by the console. Locating the VSFC Unit AWARNING Explosive vapors or flammable liquids could be present near locations where fuels are stored or being dispensed. The VSFC unit is not explosion proof.Do not install this device in a volatile, combustible,or explosive atmosphere. An explosion or fire resulting in serious injury or death,property loss and equipment damage could occur if the VSFC unit is installed in a volatile, combustible or explosive atmosphere(Class I,Division 1 or 2). Select a mounting location on the inside of any building.The VSFC unit must be protected from severe vibration,extremes in temperature and humidity, rain,and other conditions that could harm computerized electronic equipment.The unit's operating temperature range is 32 to 113°F(0 to 45°C), and its storage temperature range is-40 to+167°F(-40 to+75°C). The mounting surface should be strong enough to support the unit's weight of 9 pounds. You should also consider wall space for routing the power wiring conduits and comm wiring conduits that must be connected to the unit. Example VSFC Installations • Figure 2 illustrates stand alone VSFC installations with separate conduit for pressure and pump control wirings. • Figure 3 illustrates VSFC/TLS-350 installations with separate conduit for pressure and pump control wiring. • Table 1 illustrates the required kits and check valves for PLLD operation, by pump type. 4