DC400 Dispensing Cutoff System DC404 and DC406 Installation Instructions Franklin Fueling Systems • 3760 Marsh Rd. • Madison, WI 53718 USA Tel: +1 608 838 8786 • 800 225 9787 • Fax: +1 608 838 6433 • www.franklinfueling.
Important Safety Messages Franklin Fueling Systems (FFS)/Healy equipment is designed to be installed in association with volatile hydrocarbon liquids such as gasoline and diesel fuel. Installing or working on this equipment means working in an environment in which these highly flammable liquids may be present. Working in such a hazardous environment presents a risk of severe injury or death if these instructions and standard industry practices are not followed.
Product Description The DC400 system uses a sump sensor (latching float sensor or non-latching optical sensor) to detect the presence of liquid in the STP (Submersible Turbine Pump) or dispenser sump. If liquid is detected, the system will shut down power to the STP or dispenser. Installation in a Dispenser Unpack unit and check for shipping damage. The system consists of two components, the controller and the sensor. 1.
Installation in Submersible Pump Sump 4. Disconnect the union (Figure 3) and carefully position the connected wires into the electrical box. Thread the reducing bushing into the threaded opening, being careful not to scrape or twist the wires. Reconnect and tighten the union. 5. Plug the sensor into the 4 - wire female plug on the end of the controller. Wrap the plugs with the electrical tape. This controller is not for use with 3-phase pumps or Variable Frequency pump installations. 1.
7. Turn the circuit breaker back on and test for proper operation by authorizing a dispenser of that product and feeling the top of the pump for vibration. 8. Test the sensor as described in the Testing section. Testing Test the function of the system according to applicable codes, and at least annually to verify proper system operation. Note: You must not exceed the relay contact rating of 250 VAC, 12 A. To Test The Float Sensor Cutoff 1. Insert the sensor in a vessel of water.
©2010 000-0312 Rev A
