Floscan Instrument TWINSCAN 3TB013U User's Manual
Contents
1. 17 8 29 8 51 5 87 0 142 238 9 10 0 185 305 53 0 90 0 148 244 B 120 20 0 32 0 560 96 0 160 256 C 124 208 33 5 575 990 166 268 D 128 215 350 590 102 172 280 Table 1 Tachometer Calibration 5 20 1999 1000 207 00 FloScan Instrument Company Inc Tel 206 524 6625 Fax 206 523 4961 3016 NE Blakeley Street Seattle WA 98105 email service g floscan com http www floscan com CALIBRATION TwinScan 3 Instrument Tachometer LCD Gasoline Engines Back of Instrument a Dial Lamp v Es TwinScan 3 Tachometers are unique in that they can be used on gasoline and diesel engines For gasoline engine calibration refer to the appropriate engine section Inboard or E es Outboard Black Switch Red Switch Calibration Knobs Wires Not There are two calibration switches on the back of the instrument Black and Red Both are required for calibration If there s an existing tachometer or you know the engines idle RPM you can calibrate the tachometer without referring to Tables I II or III Decide on either Coarse or Fine Synch resolution Coarse resolution shows that the engines are synched when they are running within 100 RPM fine resolution shows synch within 50 RPM Begin calibrating by putting the Black switch on 0 or 8 0 is recommended Starting at 0 rotate the Red switch one click at a time u2. 6625 Fax 206 523 4961 3016 NE Blakeley Street Seattle WA 98105 email service g floscan com http www floscan com Note THIS SHEET IS TO BE USED ONLY WHEN INSTALLING A TWINSCAN GPH METER AND TACHOMETER COMBINNED Back of GPH Inst t agin SEANS Back of Tachometer Black Switch Red Switch co C Black Switch Red Switch WHITEORANGE Data WHITE RED MPG SYNC GREEN BLACK Data Do not use Back lit or Illuminated switches To STARBOARD VIOLET tachometer input YELLOW To PORT tachometer input 1 2 amp fuse 1 2 amp fuse To Port 1 To Starboard key switch f key switch RED WHITE PORT Flow Sensor STARBOARD Flow Sensor Batt b deu TwinScan GPH Instrument parallel BLACK 6 0 power and ground wires as shown f installing TwinScan tachometer and Totalizer Reset Switch Otherwise wire as single instrument Do not use Back lit or Illuminated switches as shown 5 15 2002 1000 205 00B FloScan Instrument Company Inc Tel 206 524 6625 Fax 206 523 4961 3016 NE Blakeley Street Seattle WA 98105 email service g floscan com http www floscan com ELECTRICAL Series 5400 0 5500 0 56100 5800 0 6500 0 6600 0 AccuTroll amp CruiseMaster All Multi Function Instruments amp TwinScan SET UP Wire amp Switches Use 18 AWG stranded wire on runs under 50 For runs over 50 use 16 AWG Shielded wire is recommended for all Diesel systems
3. Tachometers should be shielded For proper tachometer operation on gasoline EFI engines especially outboards the engine Ground wire must be physically connected to the MFI or TwinScan instrument ground wire Note FloScan recommends using dedicated 18 AWG shielded cable for tachometer signal wire connections Always Ground wire shields or the shield drain wire in the engine room by connecting to the bonding system or engine block MULTI FUNCTION amp TWINSCAN INSTRUMENT TACHOMETERS for CARBURETOR amp CLOSED LOOP EFI GASOLINE ENGINES with POINTS or STANDARD ELECTRONIC IGNITIONS Inboard amp I O Engines Connect the YELLOW wire from pin 8 to the distributor coil s negative terminal On twin engine systems the Yellow wire from pin 8 connects to the port engine the VIOLET wire from pin 16 to starboard Outboard Engines Outboard tachometers are connected to either the engine alternator or tachometer signal wire Connect the YELLOW wire from pin 8 to the engine alternator or tachometer signal wire On twin engine systems the Yellow wire from pin 8 connects to the port engine the VIOLET wire from pin 16 to starboard MULTI FUNCTION amp TWINSCAN INSTRUMENT TACHOMETERS for CLOSED LOOP EFI GASOLINE ENGINES with CPU IGNITION SYSTEMS Inboard I O amp Outboard Engines Connect the YELLOW wire from pin 8 to the engines tachometer signal wire On twin engine systems the Yellow wire from pin 8 connects to the port en
4. running engine The number of bars displayed depends on how far the engines are out of synch and the synch resolution setting on the back of the instrument see calibration sheet for details When the engines are synchronized an IN SYNCH BAR appears in the center of the display When one of the engines is not running two small rectangles will appear in the corner of the LCD display For example if the starboard engine is at idle and the port engine is not running the two small rectangles will appear in the bottom left side of the display Please refer to the diagram below for examples of sync displays Port engine running In Synch Starboard engine running faster faster FIG 1 SYNCH DISPLAY 5 20 1999 1000 206 00 FloScan Instrument Company Inc Tel 206 524 6625 Fax 206 523 4961 3016 NE Blakeley Street Seattle WA 98105 email service g floscan com http www floscan com The number of bars visible in the display indicates how far the engines are out of synch Referring to the gas engine settings in the chart below the display shows one vertical line if the engines are within 200 rpm coarse or 100 rpm fine it will only indicate IN SYNCH if the engines are within 100 and 50 for the coarse and fine resolution respectively Number of bars displayed Coarse gas Fine gas Coarse diesel Fine diesel 50 50 20 Table 1 Synch resolution 4 Nautical Miles per Gal
5. the panel Please note that TwinScan instruments contain magnets that may affect your compass Use care in choosing a mounting location 2 Start up Sequence and Normal Operation The TwinScan tachometer performs a quick self test each time it is powered up The self test verifies adequate power good ground connections that the pointers are free and the LCD display is working properly During this test the pointers will sweep smoothly from zero to full scale and then back to zero The LCD shows a series of numbers as detailed below example values are used so actual numbers may differ Switches and configurations are shown on the LCD as 0123456789AbCdEF 8 8 8 8 Checks LCD segments and backlighting 1 2 10 Software version number F 3 The red left and black right knob settings on back of instrument NE en d Internal configuration scale range units etc Blank a 4 0 Cycles per revolution as set by the red and black knobs refer to calibration sheet Table 1 ii Blank After the self test the instrument goes into its normal operating mode The needles indicate engine rpm and the LCD displays a synch indicator or nautical miles per gallon liters per nautical mile depending on the synch MPG synch L INM select switch 3 LCD Synchronizer Indicator In engine synch mode the LCD is programmed to display a bar graph indicator A series of vertical bars will appear on the side of the faster
6. up and Alternator Table 1 will be used to calibrate any style of tachometer pickup you may have Please read the section pertaining to your specific tachometer pick up style for instructions on calibrating the tachometer I MECHANICAL AC GENERATOR 1 Determine the number of pole pairs of your generator Some examples are Century Brass 8 Stewart Warner 8 Hewitt 8 Synchrostart 30 VDO 4 Motorola 8 2 Determine the ratio of the number of revolutions of the crankshaft drive to the number of revolutions of the tachometer For most engines the ratio is 0 5 If you are not sure of your tachometer drive ratio you can either check with your local engine dealer or you can adjust the RED and BLACK switches until you get a reading of 500 800 RPM at a normal idle with the engine at or near normal operating temperature 3 Calculate the proper switch setting Tachometer drive ratio x number of generator pole pairs number used to determine RED and BLACK switch settings from Table 1 Example Installation Caterpillar 3208 with an 8 pole pair generator Crankshaft revolution to tachometer drive 0 5 ratio Generator 8 pole pair 0 5 ratio x 8 pole pair 4 generator produces 4 pulses per revolution The switch setting selection would be as follows 50 RPM synchronized resolution RED switch 3 BLACK switch 20 RPM synchronized resolution RED switch 3 BLACK switch 9 II MAGNETIC PICK UP This instrument must be calibrate
7. E stripe wire to the power on side of the PORT engine key switch 2 Connect the RED wire to the power on side of the STARBOARD engine key switch 3 Connect the BLACK wire to the negative side of the battery buss 4 Connect the YELLOW wire to the PORT engine tachometer pickup 5 Connect the VIOLET wire to the STARBOARD engine tachometer pickup Note If not installing a TwinScan GPH instrument leave the following wires disconnected tape them off 6 Connect the BLUE wire to the WHITE RED wire from the TwinScan GPH instrument 7 Connect the WHITE ORANGE wire to the GPS terminal A 8 Connectthe GREEN BLACK wire to the GPS terminal B NOTE The industry standard for tachometer pickup wire s color coding is as follows PORT side GREY RED STARBOARD side GREY GREEN This completes the Tachometer wiring See TACHOMETER CALIBRATION sheet for calibration information 10 21 99 1000 109 00E FloScan Instrument Company Inc Tel 206 524 6625 Fax 206 523 4961 3016 NE Blakeley Street Seattle WA 98105 email service g floscan com http www floscan com WIRING SCHEMATIC FOR GAS AND DIESEL TWINSCAN TACHOMETER Wiring Schematic For Gas Twinscan Tachometer Port Tachometer Input Starboard Tachometer Input 12VDC 12VDC Distributor Distributor Coil YELLOW Starboard Keyswitch RED WHITE 1 2 amp fuses Port Keyswitch Battery Post Negative Wiring Schematic F
8. Installation Troubleshooting Manual TWINSCAN 3 GAS AND DIESEL TACH New LCD This manual part 1000 158 01 applies to the following product part numbers 1 3TBO13U 2 3TB0I4M 3 3TBO14U 4 3TB016M 5 3TBO16U 6 3TBO18M 7 3TBO18U 8 3TB023M 9 3TB024U 10 3TB026U 11 3TB028U 12 3TS013M 13 3TSO13U 14 3TSOI4U 15 3TS016U 16 3TS023U 17 3TS024M 18 3TS024U 19 3TS026M 20 3TS026U 21 3TS028U 22 3TW023M 23 3TWO23U 24 3TW024M 25 3TWO24U 26 3TWO026M 27 3TWO26U 28 3TWO28U 3 8 2000 1000 190 04 FloScan Instrument Company Inc Tel 206 524 6625 Fax 206 523 4961 3016 NE Blakeley Street Seattle WA 98105 email service g floscan com http www floscan com TROUBLESHOOTING TwinScan 3 Instrument Tachometer LCD BEFORE CALLING FOR ASSISTANCE COMPLETE THESE TROUBLESHOOTING CHECKS AND RECORD YOUR FINDINGS TECHNICAL SUPPORT REQUIRES THIS INFORMATION BEFORE A RETURN AUTHORIZATION WILL BE ISSUED IT TAKES ABOUT 20 MINUTES AND IS VERY IMPORTANT IN ANALYZING SYSTEM PROBLEMS Before starting record instrument model number and switch settings MODEL SERIAL RED SWITCH POSITION BLACK SWITCH POSITION Perform the Instrument Diagnostic Test First Record your findings I INSTRUMENT DIAGNOSTIC SELF TEST Secure power to the Red and Red White wires Turn both key switches OFF Turn power on Either to one or both switches At start up the instrument automat
9. NECTIONS Installation Connect wires one at a time and install heat shrink tubing before proceeding to ox the next wire refer to diagram Connect ground wires first BLACK instrument ground m wire to the BLACK sensor wires Connect this junction to the battery s negative terminal Slide heat shrink tubing or the ground buss Connect all other wires leaving the Red power wires for last to prevent overone wire 7 Ff 7 Insert wire ends into butt splice short circuits during installation Crimp butt splice Splicing Splice or join individual wires per the diagram Slide heat shrink tubing over the splices to prevent shorts Do not seal splices until the installation is finished and has been Slide heat shrink tubing tested over butt splice Apply heat HEAT An adequate number of crimp on connectors and heat shrink tubing are included with system The heat shrink is a special type that will bond to wire insulation and make a watertight connection See diagram for proper tubing application Crimp on connectors are sized for 18 or 20 gauge stranded wire 5 21 2004 4001 100 001 FloScan Instrument Company Inc Tel 206 524 6625 Fax 206 523 4961 3016 NE Blakeley Street Seattle WA 98105 email service floscan com http www floscan com Tachometer Wiring Information applies only to MFI amp TwinScan Instrument Tachometers Tachometer signal wires on MFI amp TwinScan
10. Simply rotate the RED and BLACK knobs on the back of the instrument until the two tachometers agree with each other The accuracy of this method depends on the accuracy of the existing tachometer at the RPM to which you calibrate It is best to compare to the existing tachometer at cruising RPM or higher not at idle 2 Youneed the number of poles the alternator has to determine the number of pulses per revolution Multiply this times the ratio of the diameter of the crankshaft pulley Divide this number by the diameter of the alternator pulley 3 Locate the number of pulses per crankshaft revolution in Table 1 Select the number closest to your actual pulses per crankshaft revolution Example Motorola alternator has 12 pole pairs 72 pulses per revolution Crank shaft pulley 10 diameter Alternator pulley 4 diameter 12 x 10 4 number of pulses per revolution 12 x 2 5 30 pulses per revolution From Table 1 50 RPM synchronized resolution RED switch 8 BLACK switch 3 20 RPM synchronized resolution RED switch 8 BLACK switch B Adjust the RED and BLACK switches for the pulses per revolution according to Table 1 Resolution PS RPMs reso ie Aves Bt ES CNN SRI TY ESSE ri SS sepe ise eae ae ur ipee 1 200 143 245 41 0 660 114 196 2 3 00 146 25 3 42 5 690 117 202 5 600 158 27 5 47 0 780 126 220 RED 6 7 00 163 283 48 5 81 0 130 226 Switch 8 900
11. ad at night without affecting your night vision The pointers are individually lighted so all the port pointers light when the port key switch is energized and all the starboard pointers light when the starboard key switch is energized Light piping directs the light from an incandescent lamp across the dial face instead of bouncing it off the dial face and into your eyes 6 Caring for your instrument The front lens of your TwinScan instrument is made of hardened Lexan and is resistant to mild abrasion Use mild soap and water to clean Never wipe with a dry cloth This can scratch the lens and builds up static electricity attracting dust and dirt Avoid solvents such as acetone benzene and lacquer thinner as they attack the surface of the lens Most window and kitchen cleaners contain at least one of these solvents plus mild abrasives and should be avoided Applying automobile or furniture wax covers minor scratches on the lens and helps prevent further scratching 5 20 1999 1000 206 00 FloScan Instrument Company Inc Tel 206 524 6625 Fax 206 523 4961 3016 NE Blakeley Street Seattle WA 98105 email service floscan com http www floscan com INSTALLATION WIRING kkkkkkkkkkkkkkkkkkkkkkkkkkkkkk TwinScan 3 Instrument Tachometer amp GPH COMBINATION ONLY Gas NMEA 0183 Input LCD se dee kk kk kkk kk kk kk kk kkk kk ee ee eee This unit conforms to NMEA 183 Version 1 5 and 2 0 interface standards and requires a messa
12. al Fuel must travel Up hill slightly after leaving the sensor Verify correct orientation and fuel flow direction If possible avoid bolting or mounting sensor s directly onto the engine Connect all Ground wires to a Ground Buss or directly to the Battery s Negative Terminal Connect or Ground wire shields to the engine block Never connect Instrument or Sensor Ground wires to the hull engine block or other machinery On Instruments with a GPS interface connect FloScan s Data to the GPS signal output Connect Data to the GPS signal ground Do not connect FloScan s Data to the GPS Data Always use non illuminated switches for Totalizer Reset Port Starboard Select Hours Synch and GPH MPG Never use illuminated or back lit switches 5 25 2004 FloScan Instrument Company Inc 3016 NE Blakeley Street Seattle WA 98105 4001 386 01D Tel 206 524 6625 Fax 206 523 4961 email service floscan com http www floscan com OPERATION TwinScan 3 Tachometer LCD To ensure years of trouble free operation of your new TwinScan instrument please read all of these instructions carefully before beginning your installation 1 Mounting Location TwinScan instruments allow you to quickly monitor and compare port and starboard engine performance The front faces of all TwinScan instruments are water resistant and include a gasket to seal the instrument to
13. amp 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 2 Female NPT ports FloScan Gasoline Lo Flo system components have 4 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 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
14. and suggested for Inboard amp I O gasoline systems Always Ground the wire shield or shield drain wires in the engine room by connecting them to the bonding system or engine block The double wiring harness for twin engine Pulse NMEA Diesel installations is included in all 97 9800 0 kits FloScan suggests using J Boxes Terminal Blocks and three conductor cables between diesel sensors and instrument to make wiring easier Install Single Pole Single Throw SPST switches for Totalizer Reset Port Starboard Select Engine Hours Synchronizer and GPH MPG switches are not included with kit To determine which switch types are required for your system refer to the table below All instruments except TwinScan Tachometers require a totalizer reset switch SYSTEM TOTALIZER RESET PORT STBD HOURS GPH MPG P OTT Teniegeetpsen sync Med synen SPST NA SPST NA NA Not Applicable 7000 8000 Gasoline MFI SPST or Momentary ON Grounding Each Black sensor wire must be connected directly to the Black Instrument Ground wire Use a single wire to connect the Black wire junction to the battery s negative terminal or a ground buss Power FloScan Instruments amp sensors operate on 9 to 12 VDC Voltages exceeding 16 VDC will damage equipment 24 amp 32 VDC systems must be reduced to 12 VDC Two different types of voltage reducers are available through FloScan WIRE CON
15. butor coil Outboard Engines Outboard motor tachometers are connected to either the engine alternator or tachometer signal output wire Connect the Yellow tachometer signal wire the port engines alternator or tachometer signal output wire Connect the Violet tachometer signal wire to the starboard engines alternator or tachometer signal output wire CLOSED LOOP EFI GASOLINE ENGINES with CPU IGNITION SYSTEMS Inboard I O amp Outboard Engines Connect the Yellow tachometer signal wire to the port engines tachometer signal output wire Connect the Violet tachometer signal wire to the starboard engines tachometer signal output wire CHRYSLER Except Magnapower I Connect tachometer signal wire s to the engine terminal strip marked ALT JOHNSON EVINRUDE SEADRIVE Connect tachometer signal wire s to the gray wire at key switch harness or Gray Yellow alternator wire on engine terminal strip For 1984 and later model years with standard voltage regulators connect the tachometer signal wire s to either the Gray voltage regulator wire or the Yellow Gray alternator wire on the engine terminal strip MERCURY MARINER Attach tachometer signal wire s to the Yellow Red or Yellow wire terminal on engine rectifier SUZUKI Remove three screws from rear of the throttle control box and remove cover plate Attach tachometer signal wire s to the Yellow wire and shield ground wire to Black wire Keep wires away from the moving parts in
16. control box and reinstall back cover YAMAHA Attach tachometer signal wire s to the Green wire and shield ground wire to the Black wire at underside of shift control box If the Green wire is not accessible at control box either Green wire on engine terminal strip can be used DIESEL ENGINES New Installations TwinScan Diesel Tachometers can use an Engine Alternator Mechanically Driven AC Signal Generator or a Magnetic Pick Up as the tachometer signal source e Engine Alternator Connect the Yellow tachometer signal wire to the port alternators tachometer output terminal usually marked Tach or Sig Connect the Violet tachometer signal wire to the starboard alternators tachometer output terminal e Mechanically Driven A C Signal Generator Magnetic Pickup Signal Generators and Magnetic Pick Ups have two terminals One terminal must be connected to battery minus or a ground buss Connect the Yellow tachometer signal wire to the open terminal on the port signal generator or magnetic pickup Connect the VIOLET tachometer signal wire to the open terminal on the starboard signal generator or magnetic pickup Keep or Replace Existing Tachometer Connect the Yellow tachometer signal wire to the port tachometers signal output wire Connect the Violet tachometer signal wire to the starboard tachometers signal output wire If using an AC Signal Generator or Magnetic Pick Up as the tachometer signal source verify that one terminal is groun
17. d at the time of installation to your specific engine in the following manner 1 Determine the number of pulses of the magnetic pick up per crankshaft revolution If you are not sure what this is contact you local engine dealer and they can provide this information Pulses number of teeth on gear x number of revolutions of gear per crank shaft revolution The table steps allow setting to be within 1 to 2 of the actual pulse count As this applies to both engines the synchronizing accuracy is not affected 2 Locate the number of pulses per crankshaft revolution in Table 1 Select the number closest to your actual pulses per crankshaft revolution Example Pulses per crank shaft revolution 160 From Table 1 50 RPM synchronized resolution RED switch B BLACK switch 6 20 RPM synchronized resolution RED switch B BLACK switch E 5 20 1999 1000 207 00 FloScan Instrument Company Inc Tel 206 524 6625 Fax 206 523 4961 3016 NE Blakeley Street Seattle WA 98105 email service g floscan com http www floscan com III ALTERNATOR The alternator input usually comes off one of the windings of the alternator before it is rectified This tachometer signal is inconsistently inaccurate because of a varying amount of belt slippage depending on the load on the alternator the dimension of the belt and the belt tension Calibration You can calibrate the tachometer by two methods 1 Calibrate to the existing tachometer
18. ded FINAL ACTIONS Check Electrical Installation Test all connections Support and secure all dangling wires to prevent accidental breakage Proceed to operate system and calibrate 9 19 2003 7000 039 01 FloScan Instrument Company Inc Tel 206 524 6625 Fax 206 523 4961 3016 NE Blakeley Street Seattle WA 98105 email service floscan com _http www floscan com WIRING Installation Instructions TwinScan 3 Instrument Tachometer Only Gas and Diesel Engines To ensure years of trouble free operation of your new TwinScan Instrument please read all of these instructions carefully before beginning your installation CAUTION 70 avoid electrical shorts and possible fire turn OFF the power to the instrument panel until installation is complete WIRING Use No 18 AWG multi strand wire the included butt splices and self sealing heat shrink to make all connections Alternate installation Use insulated ring tongue connectors and a terminal strip DO NOT solder connections Vibration can cause wire to break where solder stops and cause intermittent connections Installation Make a 3 3 8 diameter cutout in the instrument panel for the instrument Important Protect wires from damage caused by sharp edges moving and hot engine parts Cable tie and support all wire runs for safety MAIN WIRING Back of Instrument MN Ince es Oa CR Calibration Knobs mcam STARBOARD tachometer input Wies i 1 Connect the RED WHIT
19. e connected to an operating TwinScan fuel flow meter to show fuel economy otherwise the instrument shows the synchronizer regardless of this switch position 1 With the MPG SYNCH switch in the ON position BLUE wire closed grounded your instrument displays the engine synchronizer In the OFF open position the instrument shows fuel economy in nautical miles per gallon or liters per nautical mile and is automatically selected by the TwinScan GPH LPH instrument You must have valid NMEA 0183 version 1 5 or 2 0 speed data to display fuel economy otherwise you receive an error code ERROR CODES No signal activity present on NMEA 0183 terminals GPS LORAN C OFF for four seconds NMEA OUTPUT not selected Leads not connected Receiving NMEA 0183 Version 1 5 or 2 0 message GPS satellite reception 1s poor but speed message is invalid GPS LORAN C in startup mode MPG mode Speed valid but flow rate less than Flow rate too low engine stopped 0 25 GPH LPM mode Speed valid but less than 0 2 KM Speed too low boat stopped Errl Some pulsing signal present but no NMEA 0183 Leads connected to wrong source message received in last four seconds GPS LORAN C set to NMEA 0180 or 0182 amp leads reversed RMC or RMA sentence found version 1 5 or newer NMEA 0183 message detected but no VTG GPS LORAN C incompatible with NMEA 0183 5 15 2002 1000 205 00B FloScan Instrument Company Inc Tel 206 524
20. ge that includes VTG RMC or RMA Check your owner s manual to verify your GPS LORAN C includes this information To insure an easy trouble free installation read all instructions before starting WIRING 1 Refer to the electrical wiring section of the GPS LORAN C Owner s Manual for the proper procedure to connect your GPS LORAN C to NMEA 183 devices Use shielded wire between instruments and ground the shield ONLY at the GPS LORAN C sender end not at the FloScan instrument end receiver end The shield is not to be used as a ground path 2 Connect the WHITE ORANGE wire to the NMEA BNC center terminal terminal coming from your GPS LORAN C instrument Connect the GREEN BLACK wire to the NMEA BNC shield terminal coming from your GPS LORAN C instrument Connect the BLUE wire to the WHITE RED wire from the TwinScan GPH meter and to one terminal of a single pole single throw switch Connect the other terminal to the BLACK wire system ground AU CALIBRATION 1 See your GPS LORAN C owner s manual and set output for NMEA 0183 version 1 5 or 2 0 at 4800 bits sec standard Speed is always sent on the NMEA string as speed over ground in knots no matter what units your GPS LORAN C displays 2 Fuel flow rate calibration is automatically done when the totalizer is calibrated To calibrate see the Totalizer calibration instruction page FUEL ECONOMY SYNCH OPERATION The blue wire must b
21. gine the VIOLET wire from pin 16 to starboard Outboard Engines Connect the YELLOW wire from pin 8 to the engines tachometer signal wire On twin engine systems the Yellow wire from pin 8 connects to the port engine the VIOLET wire from pin 16 to starboard MULTI FUNCTION INSTRUMENT TACHOMETERS for OPEN RETURN EFI GASOLINE ENGINES with CPU IGNITION SYSTEMS Inboard amp I O Engines Connect the YELLOW wire pin 8 to the engines tachometer signal wire Connect the VIOLET wire pin 16 to ground MULTI FUNCITON INSTRUMENT TACHOMETERS DIESEL ENGINES e Keep existing tachometer Connect the YELLOW and VIOLET wires to the existing tachometer signal wires If one lead is grounded at the pickup or alternator connect the YELLOW wire to the tachometer signal wire Connect the VIOLET wire to a ground buss e Replace existing tachometer Connect the YELLOW and VIOLET wires to the existing magnetic pickup or signal generator If one lead is grounded at the pickup or alternator connect the YELLOW wire to the existing signal wire terminal at the tachometer and connect the VIOLET wire to a ground buss e Install as a new tachometer On engine alternator installations connect the YELLOW wire to the tachometer output terminal usually marked tach or sig and connect the VIOLET wire to a ground buss For mechanically driven A C signal generators and magnetic pickups connect the YELLOW wire to one terminal and the VIOLET wi
22. 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 amp 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 Loo
23. ically performs a Self test Verify that the pointer s back lighting glows Red and that the LCD back light is glowing Green Observe that the pointers smoothly sweep to near full scale Slightly above or below then smoothly drop back to zero The LCD display shows the following numbers and letters in sequence These are examples actual readings may vary Switch settings and configurations are shown on the LCD as 0123456789 AbCdEF 8 8 8 8 LCD segment and back lighting check 1 21 Software version number F 3 Red Port and Black Starboard switch settings 34 Internal configuration scale range units etc Blank Synch display Indicates normal operation NOTE If Tachometer is powered from on switch a lower case oo will appear in one corner of the LCD e Record the software version and switch settings FloScan Technical Support will ask for these The self test verifies adequate power a good ground that the pointers move and the LCD display is working High Low or No Tachometer Reading Fluctuating Tachometer Insynchw enge Wire Harness Continuity Test_ Secionlll II SUPPLY VOLTAGE and GROUND TEST e Measure voltage between the Starboard RED power wire and the BLACK Instrument ground wire e Measure voltage between the Port RED WHITE power wire and the BLACK Instrument ground wire VDC This reading should be approximately 12 VDC but not lower than 10 VDC 3 13 2002 1000 223 00 FloScan Instr
24. k for leaks and other installation problems If system is not operating properly refer to the Troubleshooting Instructions and correct any deficiencies 5 25 2004 4001 386 01D FloScan Instrument Company Inc Tel 206 524 6625 Fax 206 523 4961 3016 NE Blakeley Street Seattle WA 98105 email service g floscan com http www floscan com VI Calibration When system is running properly refer to the calibration instructions and calibrate your system USCG approved fuel hose with either fabric or wire reinforcing braid meet the following standards Hose Marking Permeation Rating 2 Minute Fire Test USCG Type A 1 100g m 24hrs Required USCG Type A 2 300g m 24hrs Required USCG Type B 1 100g m 24hrs Not Required USCG Type B 2 300g m 24hrs Not Required Table I Installation Do s amp Don ts Do Don t Use a Fuel Proof Pipe Thread Sealant when assembling fittings into fuel system components Locktite PST Leak Lock or equivalent Never use Teflon Tape Use thin wall low pressure full flow type NPT or NPTF hose barb fittings Don t use Push Lok or Barb Tite fittings Avoid using JIC or SAE swivel fittings If used always install copper conical sealing washers Connie seals or fitting seals on fittings Double clamp all hose barb fittings Avoid using 90 elbow fittings Install Sensor s at a low point in the fuel system as far from the engine as practic
25. lon Liters per Nautical Mile The TwinScan tachometer displays nautical miles per gallon or liters per nautical mile depending on the internal configuration of the instrument when it is used in conjunction with the TwinScan GPH and a device that outputs a NMEA 0183 data stream GPS Loran C etc During normal vessel operation adjusting engine RPM to your maximum MPG L NM reading maximizes your fuel mileage When switching from the synch mode to MPG L NM you will notice the display temporarily indicate MPG N nP G or L NM LP Nn before it starts reading efficiency The speed and flow data are smoothed for about 30 seconds so wait for 30 60 seconds after making a throttle or trim change for the MPG LPM reading to respond Vessel trim load adjustment of trim tabs water currents and weather conditions also affect your fuel consumption For similar operating conditions dramatic changes in MPG L NM readings indicate possible mechanical malfunction propeller damage or excessive bottom fouling and should be investigated Your current MPG L NM reading on the TwinScan Tachometer instrument and GALLONS LITERS reading on the TwinScan GPH LPH instrument allow you to quickly and easily estimate your current maximum cruising radius For safety allow a margin of error when calculating your next fuel stop 5 Illumination TwinScan instruments use a dual method of illumination to create a high contrast display making it easy to re
26. ntil you dial in the correct idle RPM e Ifthe correct RPM cannot be dialed in refer to Table I II or III below Inboard Engines Tachometer calibration for standard point and electronic ignition inboard engines is usually based upon the number of engine cylinders EFI engines sometimes use a CPU to generate its tachometer signal For these engines calibration is not always based on engine cylinders Standard Point amp Electronic Ignition Inboard Engines Coarse Synch Display Recommended Fine Synch Display 7 8 2003 Cylinders BLACK RED Cylinders BLACK RED 4 0 1 4 8 1 6 0 2 6 8 2 8 0 3 8 8 3 EFI Inboard Engines Coarse Synch Display Recommended Fine Synch Display Cylinders BLACK RED Cylinders BLACK RED 4 6 or 8 0 1 4 6 or 8 8 1 4 0 1 4 8 1 6 0 2 6 8 2 8 0 3 8 8 3 Table 1 4 Cycle Gasoline Inboard Engines FloScan Instrument Company Inc 3016 NE Blakeley Street Seattle WA 98105 Tel 206 524 6625 email service floscan com http www floscan com 1000 208 00A Fax 206 523 4961 Outboard Engines Tachometer calibration for standard point and electronic ignition outboard engines is usually based upon the number of alternator pole pairs EFI outboards sometimes use a CPU to generate its tachometer signal Calibration for EFI engines is not always based alternator pole pairs Refer to your engine man
27. or Diesel Twinscan Tachometer PORT STARBOARD Tach Sender Tach Sender Battery Post a x Negative YELLOW VIOLET Starboard Keyswitch 12V os o RED em T Ld RED WHITE 1 2 amp fuses Port Keyswitch Battery Post 10 21 99 Negative 10 21 99 FloScan Instrument Company Inc 3016 NE Blakeley Street Seattle WA 98105 Back of Tachometer Oo C Ny Black Switch Red Switch Used with TwinScan GPH instrument WHITE ORANGE GREEN BLACK Tape End Tape End Tape End Back of Tachometer LOIN AST Black Switch Red Switch Used with TwinScan GPH instrument WHITE ORANGE GREEN BLACK Tape End Tape End BLUE Tape End 1000 109 00E Tel 206 524 6625 Fax 206 523 4961 email service floscan com http www floscan com CALIBRATION TwinScan 3 Instrument Tachometer LCD Diesel Engines Back of Instrument Dial Lamp ca The TwinScan 3 Tachometer is unique in that it can be calibrated for both gasoline and jp del l diesel systems On the back of the TwinScan 3 Tachometer Instrument the RED Ah ak Calibration Knobs switch is used for fine calibration The BLACK switch is used for coarse calibration Ege ee hore You will use a combination of both switches for proper calibration Wires V AZ DIESEL SYSTEM CALIBRATION Diesel systems have three options for tachometer pick up styles Mechanical AC Generator Magnetic Pick
28. proximately 0 1 to 3 Q Ohm Reading IV TACHOMETER PROBLEMS Note Refer to the engine owners manual wiring diagram installation and calibration instructions for parts A B amp C below A NO READING Check continuity of the YELLOW and VIOLET Tachometer signal wires Section III Verify that the tachometer signal wires are connected at the correct signal output point B HIGH OR LOW READINGS Verify that Tachometer is calibrated correctly C FLUCTUATING READINGS e Listen to your engine s If engine speed cycles up and down when idling or underway the tachometer reading will follow This does not indicate a problem with the Tachometer but may indicate engine problems e Verify that wiring connections are tight clean and dry Check continuity while shaking the wires Ohm readings should be near zero and remain steady e Verify that the tachometer signal wires are connected at the correct signal output point This concludes system testing If problems with your system persist contact FloScan Technical Support with testing results 3 13 2002 1000 223 00 FloScan Instrument Company Inc Tel 206 524 6625 Fax 206 523 4961 3016 NE Blakeley Street Seattle WA 98105 email service g floscan com http www floscan com INSTALLATION PLANNING READ ME FIRST Mechanical amp Electrical Installation Planning Saves Time FloScan systems are not difficult to install Installing one requires only basic electrical
29. re to the other TWINSCAN INSTRUMENT TACHOMETERS DIESEL ENGINES e Connect the YELLOW wire to one terminal the Port tachometer sender AC signal generator Magnetic pickup or the engines alternators tach or sig terminal Connect the VIOLET wire to the Starboard sender The tachometer senders second terminal must be grounded FINAL ACTIONS Check Electrical Installation Test all connections Support and secure all dangling wires Start engine and calibrate system 5 21 2004 4001 100 001 FloScan Instrument Company Inc Tel 206 524 6625 Fax 206 523 4961 3016 NE Blakeley Street Seattle WA 98105 email service floscan com http www floscan com ELECTRICAL TwinScan Gas amp Diesel Tachometer Tachometer Wiring For proper tachometer operation on Gasoline EFI engines especially outboards the engine Ground wire must be directly connected to the TwinScan Tachometer ground wire FloScan recommends using dedicated 18 AWG shielded cable for tachometer signal wire connections Always Ground wire shield or shield drain wire in the engine room by connecting it to the bonding system or engine block CARBURETOR amp CLOSED LOOP EFI GASOLINE ENGINES with POINTS or STANDARD ELECTRONIC IGNITIONS Inboard amp I O Engines Connect the Yellow tachometer signal wire to the negative terminal of the port engines distributor coil Connect the Violet tachometer signal wire to the negative terminal of the starboard engines distri
30. ual or check with a local dealer to determine the number of alternator pole pairs your engine has Standard Points Electronic Ignition amp EFI Outboard Engines Coarse Synch Display Recommended Fine Synch Display Pole Pairs Black Switch Red Switch Pole Pairs Black Switch Red Switch 2 0 1 2 8 1 4 0 3 4 8 3 6 0 5 6 8 5 8 0 7 8 8 7 10 0 9 10 8 9 12 0 B 12 8 B 14 0 D 14 8 D 16 0 F 16 8 F EFI Outboard Engines Coarse Synch Display Recommended Fine Synch Display Pole Pairs Black Switch Red Switch Pole Pairs Black Switch Red Switch CPU 0 1 CPU 8 1 Table II 2 amp 4 Cycle Gasoline Inboard Engines Red Switch Table III Pulses Engine Revolution 7 8 2003 1000 208 00A FloScan Instrument Company Inc Tel 206 524 6625 Fax 206 523 4961 3016 NE Blakeley Street Seattle WA 98105 email service floscan com http www floscan com
31. ument Company Inc Tel 206 524 6625 Fax 206 523 4961 3016 NE Blakeley Street Seattle WA 98105 email service g floscan com http www floscan com e If 12 VDC is not present measure between the RED or RED WHITE power wire and a known good ground in the instrument panel If you measure 12 to 14 VDC there may be an instrument ground problem VDC e If 12 to 14 VDC is not present check wiring switches fuse and the 12 VDC power source III CONTINUITY TEST e Continuity testing requires access to the back of the Instrument and an Ohmmeter It verifies that wires are not broken shorted to ground another wire or to power Before starting secure all power You will be testing the VIOLET and YELLOW wires e Disconnect the Yellow wire harness conductor from the Port Tachometer Sender amp Instrument wire Connect a jumper from the YELLOW wiring harness conductor to a known good ground At the Instrument connect an Ohmmeter lead to its YELLOW wiring harness conductor Connect the other Ohmmeter Lead to a known good ground The Ohmmeter should read approximately 0 1 to 3 Q Ohm Reading e Disconnect the VIOLET wire harness conductor from the Port Tachometer Sender amp Instrument wire Connect a jumper from the VIOLET wiring harness conductor to a known good ground At the Instrument connect an Ohmmeter lead to its VIOLET wiring harness conductor Connect the other Ohmmeter Lead to a known good ground The Ohmmeter should read ap
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