Installation planning – Floscan 5A20-20A-1 AccuTroll & CruiseMaster User Manual
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5/25/2004
4001-386-01D
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INSTALLATION PLANNING
READ ME FIRST - Mechanical & Electrical Installation Planning Saves Time!
FloScan systems are not difficult to install. Installing one requires only basic electrical & mechanical skills. With forethought and
planning, your system will be installed with few problems.
I. Installation Preparation:
Review the mechanical installation instructions, then survey your vessel. Determine where the Sensor(s), Pulsation Damper(s), (if
used) Switches and Instruments are to be mounted. Place them at their approximate locations. Measure fuel line lengths between
system components, (Primary Filter, Sensor(s), Damper(s), Engine, and Fuel Tank). Determine fitting sizes and type of fittings needed
for each plumbing connection, (JIC, SAE, NPT, NPTF, or Hose Barb).
FloScan Gasoline, “Hi-Flo” system components have ½” Female NPT ports.
FloScan Gasoline, “Lo-Flo” system components have ¼” Female NPT ports.
Review the electrical installation instructions. Open and survey your vessels wire ways and run 3-conductor cables from each sensor
to the instrument. Tachometers require 1 or 2 additional conductors. If there’s an existing tachometer, its signal wires can be used.
II. Mechanical Installation:
Install or mount the Sensor(s), Pulsation Damper(s), (If required) Instruments and Switches, (Reset, MPG, Port/Starboard, Synch).
III. Plumbing:
Mount sensor(s) where they’re to be installed. On installations using Fabric Braid A-1 Fuel Hose install the correct HB X MNPT
fitting into each sensor. Always assemble fittings using a fuel proof pipe thread sealant. Never use Teflon Tape. Use a hose cutter or
knife to cut the fuel hose. Next install the hose onto the barb fittings. Hose should not be twisted, have adequate slack, an ample radius
at all bends and be supported at reasonable distances, approximately 2-4 feet. When clamping hose onto the barbs, use 2 narrow or 1
wide stainless hose clamp on each hose end.
Wire Braid A-1 Aeroquip Type Fuel Hose or Hydraulic Hose: Mount the sensor(s) or sensor assemblies where they’re to be
installed. Mark the hose where it is to be cut. Remove hose and bring it to a hydraulic shop. Have them cut the hose and install hose
ends. Reinstall the hoses and install the correct fitting into each sensor or sensor assembly. Always assemble fittings using a fuel proof
pipe thread sealant. Never use Teflon Tape. Hoses should not be twisted, have adequate slack, an ample radius at all bends and be
adequately supported at reasonable distances, approximately 2-4 feet. AP-50 copper sealing washers, (Connie Seals) or Flaretite seals
may be required to seal JIC & SAE fittings.
IV. Electrical Installation:
Run cables between Sensor(s) and Instrument(s). Cables must be adequately supported at reasonable distances, approximately 2-4
feet. Wire Terminations—Referring to the wiring diagram. Connect Sensor, Instrument and Switches to their respective wires with
crimp type butt or ring connectors. Always cover connectors and wire ends with heat shrink tubing.
V. System Start-Up:
Prime the fuel system and check for leaks. Start and run your engines. Look for leaks and other installation problems. If system is not
operating properly refer to the Troubleshooting Instructions and correct any deficiencies.
VI. Calibration:
When system is running properly, refer to the calibration instructions and calibrate your system.
FloScan Instrument Company, Inc.
Tel: (206) 524-6625 Fax: (206) 523-4961
3016 NE Blakeley Street, Seattle, WA 98105 Email: [email protected] Http://www.floscan.com
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