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Summary of Contents for Scully SP-FU Series
- Page 1 Scully Five Wire Optic Overfill Prevention System Model SP-FU Series 61603 REV A...
- Page 2 Warning - Explosion Hazard Scully Overfill Prevention Sensor Installation & Wiring Instructions WHEN PERFORMING ANY WORK AROUND THE VESSEL BE SURE TO COMPLY WITH ALL APPLICABLE REQUIREMENTS OF THE NATIONAL FIRE PROTECTION ASSOCIATION NFPA-30 “FLAMMABLE AND COMBUSTIBLE LIQUIDS CODE”, FEDERAL, STATE AND LOCAL CODES AND ANY OTHER APPLICABLE CODES AND REGULATIONS.
- Page 3 Figure 1 — Flammable and Combustible Liquids Code Table * When classifying extent of area, consideration shall be given to fact that tank cars or tank vehicles may be spotted at varying points. Therefore, the extremities of the loading or unloading positions shall be used. Scully Signal Company...
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Page 4: Table Of Contents
SP-FU/MHC NPT HOLDER..............14 SP-FU/MHCF FLANGE HOLDER............15 SP-FU/MHCE BSPT HOLDER ..............16 SP-FU/MHCFE FLANGE HOLDER............17 SJ-6 With SJ-6SO (4 J-SLOT) ...............18 SJ-6 With SJ-6W (3 J-SLOT) ..............19 SJ-6 M20 With SJ-6W (3 J-SLOT) ............20 SJ-6 M20 With SJ-OB (4 J-SLOT) ............21 Scully Signal Company... -
Page 5: Application
The Scully Five-Wire Optic Overfill Prevention Sensor(s) employs optic technology to detect the presence of liquid in a tank or vehicle compartment. The sensor is wired to a Scully Socket, mounted on the vehicle (tanker) chassis. Connecting a plug (and cable) to the socket connects these sensors to a Scully Overfill Prevention Controller located at a rack. -
Page 6: Technical Specifications
Cable Entry Two holes, 1/2” NPT (M20 X 1.5) threads Approvals The sensor is intrinsically safe for mounting in Class I, Division 1, Groups C & D Hazardous location in accordance with Scully Control Unit approval ratings. Scully Signal Company... -
Page 7: Mechanical Installation
This will greatly simplify any future maintenance to the sensor. Scully Signal Company... -
Page 8: Mounting Into Threaded Opening
Seize/Thread Lubricant or equivalent. Mounting into Through-Hole Entry Although Scully does not recommend this mounting method, if this method is used, the Model MHC sensor holder may be mounted directly through a 2 3/8-inch diameter opening (hole) using the nut and gasket supplied. -
Page 9: Sensing Level - Height Adjustment
Drawing shows the adjustment range for a standard sensor shaft length of 7-inches. Longer shaft lengths and a 1 3/8-inch high cap are also available. Consult Scully for part numbers. Care must be taken that the cap does not exceed height specifications for the construction of the tank. -
Page 10: Shortening The Sensor Shaft
ONE OF THE SENSOR WIRES. Scully recommends the use of our special cable for wiring on a vehicle. If using conduit, 18 AWG (1mm² ) or larger wires should be employed. The SP-FU Sensor should be wired in accordance with the appropriate Scully Wiring Diagram. -
Page 11: Sp-Fu, 1 Compartments
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Page 12: Sp-Fu, 2 Compartments
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Page 13: Sp-Fu, 3 Compartments
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Page 14: Sp-Fu, 4 Compartments
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Page 15: Sp-Fu, 5 Compartments
Scully Signal Company... - Page 16 Scully Signal Company...
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Page 17: Sp-Fu/Mhc Npt Holder
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Page 18: Sp-Fu/Mhcf Flange Holder
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Page 19: Sp-Fu/Mhce Bspt Holder
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Page 20: Sp-Fu/Mhcfe Flange Holder
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Page 21: With Sj-6So (4 J-Slot)
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Page 22: With Sj-6W (3 J-Slot)
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Page 23: M20 With Sj-6W (3 J-Slot)
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Page 24: M20 With Sj-Ob (4 J-Slot)
Scully Signal Company... - Page 25 Notes Scully Signal Company...
- Page 26 Wilmington, MA 01887 USA • • phone: 1-617-692-8600 toll free: 1-800-272-8559 fax: 1-617-692-8620 • • www.scully.com sales@scully.com • Specifications subject to change without notice. Made in the USA © Printed in USA Part No. 61603 Rev A 03/07 Scully Signal Company...
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