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1. NEN a a P paa 21 7 1 Sp 215511854145 55 pastes o o m ae 20 ze 2e Table III Pulses Engine Revolution Black Switch 190 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 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 automatically 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 z
2. GPS LORAN C incompatible with NMEA 0183 RMC or RMA sentence found version 1 5 or newer 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 floscan com Http www floscan com Note THIS SHEET IS TO BE USED ONLY WHEN INSTALLING A TWINSCAN GPH METER AND TACHOMETER COMBINED AND TACH MBINED Back of GPH Instrument WHITE RED MPG SYNC Do not use Back lit or Illuminated switches 1 2 amp fuse RED WHITE Back of Tachometer e Black Switch Red Switch XM 27 Li WHITE ORANGE Data 4 GREEN BLACK Data To STARBOARD VIOLET tachometer input YELLOW To PORT tachometer input To Port 1 2 amp fuse Starboard key switch os key switch Flow Sensor STARBOARD Battery buss BLACK Totalizer Reset Switch Do not use Back lit or Illuminated switches 5 15 2002 FloScan Instrument Company Inc 3016 NE Blakeley Street Seattle WA 98105 Flow Sensor f installing TwinScan tachometer and TwinScan GPH Instrument parallel power and ground wires as shown Otherwise wire as single instrument as shown 1000 205 00B Fax 206 523 4961 Http www floscan com Tel 206 524 6625 Email service floscan com ELECTRICAL Ser
3. 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 The TwinScan 3 Tachometer is unique in that it can be calibrated for both gasoline and dal diesel systems On the back of the TwinScan 3 Tachometer Instrument the RED sw gt Calibration Knobs switch is used for fine calibration The BLACK switch is used for coarse calibration Xi sth Rad Switch You will use a combination of both switches for proper calibration Wires ZN DIESEL SYSTEM CALIBRATION Diesel systems have three options for tachometer pick up styles Mechanical AC Generator Magnetic Pick 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 50
4. VDC VDC VDC VDC VDC VDC 1000 204 00C Fax 206 523 4961 Http www floscan com e The Sensor s may be defective if voltage readings in steps 3 amp 5 remain constant e f signal voltages in steps 3 amp 5 are ok go to the backside of the Instrument With engine s running measure and record voltage readings across the Red White amp White Port Sensor and Red amp Brown Starboard Sensor signal wires These voltage readings should match the Sensor readings This verifies that the Sensors signal output is reaching the Instrument If not there is a wiring problem V CONTINUITY TEST 1 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 WHITE BROWN and BLACK wires 2 Disconnect the WHITE and BLACK wire harness conductors from the WHITE and BLACK Port Sensor amp Instrument wires Connect a jumper from the WHITE wiring harness conductor to a known good ground At the Instrument connect an Ohmmeter lead to its WHITE wiring harness conductor Connect the other Ohmmeter Lead to a known good ground The Ohmmeter should read approximately 0 1 to 3 Ohm Reading Connect a jumper from the Black wiring harness conductor to a known good ground At the Instrument connect an Ohmmeter lead to its Black wiring harness conductor C
5. manual wiring diagram installation and calibration instructions for parts 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 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 Verify that wiring connections are tight clean and dry Check continuity while shaking the wires Ohm readings should be near Zero and remain steady 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 floscan com Http www floscan com Installation Troubleshooting Manual TWINSCAN 3 GAS GPH New LCD Inboard amp IO to 1000 HP All Outboards This manual part 1000 158 00 applies to the following product part numbers 1 3FBOIOU 2 3FB010U3 3 3FBOIIMI 4 11 2 5 120 6 1201 7 3FB012U2 8
6. Apply heat shrink tubing over the splices to prevent shorts Do not seal splices until the installation is finished and has been tested 5 25 2006 4001 100 007 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 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 Tachometer Wiring Information applies only to MFI amp TwinScan Instrument Tachometers Tachometer signal wires on MFI amp TwinScan 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 POINTS or STANDARD ELECTRONIC IGNITIONS Inboard amp I O Engines Connect the YELLOW wire from pin 8 to the distributor coil s negative term
7. 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 Please Note The pointer is accurate only when gauge is energized The pointer may stop at any position when power is OFF and is not indicative of a faulty gauge This instrument fits in a standard 3 3 8 tachometer hole The analog needles show the PORT and STARBOARD fuel flow rates of each engine and the totalizer shows the total consumption of both engines Fuel consumption is stored in non volatile RAM and does not require power to retain its memory Resetting the totalizer is done with an external switch not supplied An excellent choice is a momentary on normally open switch You can also use a single throw single pole SPST switch Wiring Use No 18 AWG mufti 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 Important Protect wires from damage caused by sharp edges moving and hot engine parts Cable tie and support all wire runs for safety Back of Instrument Wire Color Function Dial Lamp AUS A Calibration Knobs Black Switch Red Switch Wires 1 Connect the RED WHITE wire to the power
8. side of the PORT ignition switch 2 Connect the RED wire to the power on side of the STARBOARD ignition switch In multiple gauge installations join all the RED WHITE wires together and run a single wire to the keyed terminal of the PORT ignition switch Do the same for the RED wires on the STARBOARD side 3 Connect BLACK wire of the gauge to the BLACK wire s at the flow Run a BLACK wire to the negative battery bus from this point This instrument requires a single point ground system Connecting the gauge to a ground at the instrument panel and the flow sensor s to a different ground can introduce noise and affect the accuracy of the instrument 4 Connect the WHITE wire of the instrument to the WHITE wire of the PORT flow sensor 5 Connect the BROWN wire of the instrument to the WHITE wire of the STARBOARD flow sensor 6 Connect the GREEN wire to one of the terminals of a single pole single throw SPST or momentary on normally open switch Run a BLACK wire from the other terminal of the switch to the Instrument BLACK wire ground Totalizer reset switch OPEN Normal operation Totalizer reset switch CLOSED Reset mode 5 15 2002 1000 108 00E 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 Back GPH Instrument M Black Switch Red Switch WHITERED This wire
9. Momentary ON NA NA SPST or Momentary ON NA NA NA Not Applicable 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 CONNECTIONS 3 lt Installation Connect wires one at a time and install heat shrink tubing 2 before proceeding to the next wire refer to diagram Connect ground Slide heat shrink tubing wires first BLACK instrument ground wire to the BLACK sensor butt splice wires Connect this junction to the battery s negative terminal or the x Crimp putts plice ground buss Connect all other wires leaving the Red power wires for last to prevent short circuits during installation Slide heat shrink tubing over butt splice Splicing Splice or join individual wires per the diagram Slide heat Apply heat shrink tubing over the splices to prevent shorts Do not seal splices until the installation is finished and has been tested 5 25 2006 4001 100 007 FloScan Instrument Company Inc Tel 206 524 6625 Fax 206 523 4961 3016 NE Blakeley
10. SENSOR S TEST 1 8 30 2004 With your voltmeter set to DC scale greater than 14 volts measure between the RED 12VDC and BLACK Instrument ground wires With engine idling measure and record the voltage reading Move the voltmeters negative lead to the WHITE Signal wire With engine idling measure and record the voltage reading Readings between 4 and 10 VDC usually indicate a good sensor Stop the engine while observing the voltmeter Readings should fluctuate between a high of 9 to 12 VDC and a low of 0 to 4 VDC as the sensors turbine slows NOTE This may not be seen on a digital voltmeter to a stop Move the voltmeters negative lead to the BROWN Signal wire With engine idling measure and record the voltage reading Readings between 4 and 10 VDC usually indicate a good sensor Stop the engine and observe the voltmeter Voltage readings should fluctuate between a high of 9 to 12 VDC and a low of 0 to 4 VDC as the Sensors turbine slows to a stop NOTE This may not be seen with a digital voltmeter The Sensor may be defective if voltage readings in steps 3 amp 5 remain constant while the engine is stopping On twin engine systems try swapping the Brown amp White signal wires Observe the Instrument and see if the problem shifts sides or remains on the same side FloScan Instrument Company Inc 3016 NE Blakeley Street Seattle WA 98105 Tel 206 524 6625 Email service floscan com VDC
11. Street Seattle WA 98105 Email service floscan com Http www floscan com 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 Tachometer Wiring Information applies only to MFI amp TwinScan Instrument Tachometers Tachometer signal wires on MFI amp TwinScan 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 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 YEL
12. and starboard engine performance The front faces of all TwinScan instruments are water resistant and include a gasket to seal the instrument to the panel in which it is installed Caution TwinScan instruments contain magnets that may affect your compass Use care in choosing your mounting location 2 Start up Sequence and Normal Operation The TwinScan GPH instrument 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 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 be different Switches and configurations are shown on the LCD as 0123456789 AbCdEF 8 8 8 8 Checks LCD segments backlighting 1 212 Software version number 3 The red left and black right switch settings 34 Internal configuration scale range units etc Blank 123 4 Current total gallons or total liters normal operation After the self test the instrument goes into its normal operating mode The needles indicate fuel flow in gallons or liters per hour and the LCD shows the total gallons or liters consumed since the last reset 3 Testing the Totalizer The TwinScan GPH instrument has a non volatile memory to track the total fuel consumed and ther
13. follows PORT side GREY RED STARBOARD side GREY GREEN This completes the Tachometer wiring See TACHOMETER CALIBRATION sheet for calibration information WIRING SCHEMATIC FOR GAS AND DIESEL TWINSCAN TACHOMETER 10 21 1999 1000 109 00E 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 Schematic For Gas Twinscan Tachometer Port Tachometer Irpvt I2VDC Distributor Coil Coil VIOLET Starboard Keyswitch 12V 12V Port Keyswitch RED WHITE 1 2 amp fuses Battery Post Negative Wiring Schematic For Diesel Twinscan Tachometer PORT STARBOARD Tach Sender Tach Sender Battery Post a x Negative YELLOW RD VIOLET Starboard Keyswitch 9 1 2 amp fuses 12V RED CABLE EEN RED WHITE S 1 A Port Keyswitch Battery Post 10 21 99 Negative 10 21 1999 Starboard Tachometer Input 12VDC Distributor Back of Tachometer M Black Switch Red Switch Used with TwinScan GPH instrument WHITE ORANGE Tape End GREEN BLACK Tape End Tape End Back of Tachometer Black Switch Red Switch Used with TwinScan GPH instrument WHITE ORANGE Tape End GREEN BLACK Tape End 1000 109 00 FloScan Instrument Company Inc 3016 NE Blakeley Street Seattle WA 98105
14. horizontally at a low point in the fuel system When fuel exits the sensor it must travel up hill slightly One or two inches of vertical rise is adequate more is ok e sensor must be installed downstream of and protected by a screen filter or water separator Sensors are tolerant of fine debris A coarse screen up to 800 microns or water separator is all that is required e tis recommended that the sensor be installed between the fuel filter and fuel pump inlet There should be at least twelve inches of fuel hose more is ok between the sensor and fuel pump inlet e Jf required the pulsation damper must be installed horizontally with its orientation arrow pointing up refer to fuel flow schematics below e Minimize the number of 90 elbows and pipe fittings Excessive use may create a high vacuum fuel restricting pressure drop across the fuel system Whenever possible use a large radius hose bend instead of elbows Refer to the engine owner s manual for maximum fuel pump vacuum vacuum gauge can be used to confirm that the system is within limits e If swivel fittings are used JIC or SAE their mating surfaces should be sealed with AP 50 Copper Conical Sealing Washers Flaretite Fitting Seals Seals and sealing washers can be purchased through Fittings Inc in Seattle WA 206 767 4670 1 800 552 0632 or a local hydraulic supply house CAUTION DO NOT OVER TIGHTEN FLOW SENSOR FITTINGS Over tightening may crack t
15. port and starboard engine performance The front faces of all TwinScan instruments are water resistant and include a gasket to seal the instrument to 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 0123456789 AbCdEF Y848 0 9 Checks LCD segments and backlighting 0 Software version number FE The red left and black right knob settings on back of instrument 34 Internal configuration scale range units etc Y Blank 2 4 0 Cycles per revolution as set by the red and black knobs refer to calibration sheet Table 1 a 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 NM select switch 3 LCD Synchro
16. synchronized resolution RED switch B BLACK switch 6 20 RPM synchronized resolution RED switch B BLACK switch E III ALTERNATOR 6 16 2006 1000 207 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 The alternator input usually comes off one of 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 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 You need 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 12 pulses p
17. 0 800 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 MAGNETIC PICK UP This instrument must be calibrated 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 2 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 296 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 2 160 From Table I 50 RPM
18. 04 00C 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 Sensor orientation failure FAULT PROBABLE CAUSE SEE SECTION Blank LCD Display Wiring Section III No back lighting Wiring bulb failure Section Low Totalizer Reading over 1096 Calibration Calibration sheet Section IV Install sheets High Totalizer Reading over 1096 Incorrect defective sensor Section IV Incorrect switch settings Calibration sheet Suction leak Section VII Fluctuating GPH Readings Suction leak Section VII Low RPM operation Section X No GPH or Totalizer Reading Wiring Instrument failure Sensor orientation failure Section I II III and V Section IV Install sheet Wire Harness Continuity Test Section V 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 These readings should be approximately 12 14 VDC but not lower than 10 VDC f 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 e f 12 to 14 VDC is not present check wiring switches fuse and the 12 VDC power source IV
19. 2 KM Speed too low boat stopped 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 NMEA 0183 message detected but no GPS LORAN C incompatible with NMEA 0183 RMC or RMA sentence found version 1 5 or newer 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 floscan com Http www floscan com Note THIS SHEET IS TO BE USED ONLY WHEN INSTALLING A TWINSCAN GPH METER AND TACHOMETER COMBINED AND TACH MBINED Back of GPH Instrument WHITE RED MPG SYNC Do not use Back lit or Illuminated switches 1 2 amp fuse RED WHITE Back of Tachometer e Black Switch Red Switch XM 27 Li WHITE ORANGE Data 4 GREEN BLACK Data To STARBOARD VIOLET tachometer input YELLOW To PORT tachometer input To Port 1 2 amp fuse Starboard key switch os key switch Flow Sensor STARBOARD Battery buss BLACK Totalizer Reset Switch Do not use Back lit or Illuminated switches 5 15 2002 FloScan Instrument Company Inc 3016 NE Blakeley Street Seattle WA 98105 Flow Sensor f installing TwinScan tach
20. 3FB013U 9 3FB013U1 10 3FB013U2 11 3FB014M2 12 150 13 1501 14 016 1 15 3FB016U 16 3FB016U1 17 3FB016U2 18 3FB018M 19 3FB018M1 20 18 2 21 3FB022U 22 3FB022U1 23 3FB022U2 24 3FB023U 25 3FB023U1 26 3FB028M 27 3FS012U 28 3FS012UI 29 3FS012U2 30 3FS013U 31 3FS013UI 32 3FS013U2 33 3FS015UI 34 3FS021M 35 3FS021MI 36 3FS022U 37 3FS022UI 38 3FS022U2 39 3FS023U 40 3FS023U2 41 3FS023U1 04 21 2008 1000 190 02 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 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 04 21 2008 FloScan Instrument Company Inc 3016 NE Blakeley Street Seattle WA 98105 3FS024M2 3FS025U 3FS025U1 3FS026 3FS026U 3FS026U1 3FS026U2 3FS028M 3FS028MI 3FS028M2 3FWOI2UI 3FW013U2 3FW016U1 0200 02003 3FW021M 3FW021MI 3FW021M2 3FW022U 02201 3FW022U2 3FW023U 3FW023U1 3FW023U2 3FW024M 3FW024M2 3FW025U 3FWO025UI 3FW025U3 3FW026U 3FWO026UI 3FW026U2 3FW028MI 3FW028M2 3FW028M4 3FS018M2 1000 190 02 Tel 206 524 6625 Fax 206 523 4961 Email service floscan com Http www floscan com INSTALLATION PLANNING READ ME FIRST Mechanical amp Electrical Installat
21. 7000 0 8000 0 9000 0 Single Sensor EFI 8 00 0 9 00 0 and TwinScan Instruments for Gasoline Inboard and Outboard Engines FLOW SENSOR INSTALLATION Flow Sensors must be placed in a horizontal section of fuel line at a low point in the fuel system Fuel should travel Up hill when exiting the sensor Its outlet should be at least 1 or 2 inches lower than the fuel pump inlet priming bulb or pulsation damper if used Pulsation Dampers and Priming Bulbs must also be mounted horizontally Installing sensor s 12 upstream of the fuel pump priming bulb or pulsation damper improves system accuracy Install sensors in a protected location away from water spray Model 20A 20B 231 amp 233C gasoline sensors must be installed downstream of a fuel filter or water separator On vessels not equipped with off engine filters we suggest installing a Flow Ezy model ILA 02 filter with 238 micron screen directly to the 20A 20B or 231 Low Flow Sensors inlet Use model 4ILA 04 with 595 micron screens with High Flow 233C Sensors Flow Ezy can be reached at 800 237 1165 Caution NEVER install sensor s downstream of an engine mounted fuel filter NEVER use Teflon Tape when installing sensors Teflon Tape can jam a sensor s rotor Instead always use a fuel proof pipe thread sealant For proper system operation Carburetor Inboard amp I O Engines having diaphragm fuel pumps require Gasoline Pulsation Dampers FloScan Systems are no
22. 8 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 ice cm a NN Calibration Knobs PORT tachometer input ME E Rad SNR STARBOARD tachometer input Flow Input Wires gt 1 Connect the RED WHITE 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 8 Connect the GREEN BLACK wire to the GPS terminal B NOTE The industry standard for tachometer pickup wire s color coding is as
23. A SPST or Momentary ON NA NA NA NA SPST or Momentary ON NA NA NA NA NA NA NA NA NA A A SPST or Momentary ON NA NA NA SPST or Momentary i N SPST or Momentary ON NA SPST or Momentary SPST or Momentary ON NA NA SPST or Momentary ON NA NA NA Not Applicable 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 CONNECTIONS 3 lt Installation Connect wires one at a time and install heat shrink tubing 2 before proceeding to the next wire refer to diagram Connect ground Slide heat shrink tubing wires first BLACK instrument ground wire to the BLACK sensor butt splice wires Connect this junction to the battery s negative terminal or the x Crimp putts plice ground buss Connect all other wires leaving the Red power wires for last to prevent short circuits during installation Slide heat shrink tubing over butt splice Splicing Splice or join individual wires per the diagram Slide heat
24. Gas NMEA 0183 Input LCD COMBINATION ONLY kkkkkkkkkkkkkkkkkkkkkkkkkkkkkk This unit conforms to NMEA 183 Version 1 5 and 2 0 interface standards and requires a message 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 3 Connect the GREEN BLACK wire to the NMEA BNC shield terminal coming from your GPS LORAN C instrument 4 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 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
25. 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 3TB013 2 3TB013U 3 14 4 3TBO14M 5 140 6 16 7 16 8 160 9 3TB016U WC 10 3 18 11 3TBO18U 12 3TB023 13 3TB023M 14 3TB024 15 260 16 3TB028 17 3 0280 18 315013 19 3TS013M 20 3TSOI3U 21 315014 22 50140 23 315016 24 3 50160 25 3TS023 26 3TSO23U 27 3 5024 28 3TS024M 29 3TSO24U 30 3TS026 3 3TS026U 32 3TS026U WC 33 3TS028 34 3TSO28U 35 3TWO023 36 3TWO023U 37 3 024 38 3TW024M 39 3TWO24U 40 3TWO026 41 3TW026M 03 21 2005 1000 190 04 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 42 3TWO26U 43 3TWO28 44 3TWO28U 03 21 2005 1000 190 04 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 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
26. LOW 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 engine 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 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 o
27. WA 98105 Email service floscan com Http www floscan com 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 11121014 VDC is not present check wiring switches fuse and the 12 VDC power source 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 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 approximately 0 1 to 3 Ohm Reading IV TACHOMETER PROBLEMS Note Refer to the engine owners
28. al 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 grounded 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 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 avoid electrical shorts and possible fire turn OFF the power to the instrument panel until installation is complete WIRING Use No 1
29. ator 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 75187 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 wire 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 25 2006 4001 100 00J 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 Mechanical Installation Series 5400 0 5500 0 56100
30. automatically done when the totalizer is calibrated To calibrate see the Totalizer calibration instruction page FUEL ECONOMY SYNCH OPERATION The blue wire must be 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 amp leads reversed Receiving NMEA 0183 Version 1 5 or 2 0 message GPS satellite reception is 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 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 NMEA 0183 message detected but no
31. efore can only be reset by holding the reset switch in the RESET position for approximately 15 seconds You will notice the LCD totalizer blinking during the reset mode warning you that it is about to reset After 10 15 seconds the LCD will blink E 0 0 Release the switch to return to normal operation 4 Illumination TwinScan instruments use a dual method of illumination to create a high contrast display making it easy to read 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 5 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 6 14 2006 1000 203 00 FloScan Inst
32. 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 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 serviceGfloscan com Http www floscan com USCG approved fuel hose with either fabric wire reinforcing braid meet the following standards Hose Marking Permeation Rating 2 Minute Fire Test USCG Type A 1 100g m 2A4hrs Required USCG Type A 2 300g m 2Ahrs Required USCG Type B 1 100g m 24hrs Not Required USCG Type B 2 300g m 2A4hrs 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 N ever use Teflon Tape Locktite PST Leak Lock or equivalent Don t use Push Lok or Barb Tite fittings Use thin wall low pressure full flow type NPT or Avoid using JIC or SAE swivel fittings If used NPTF hose barb fittings always install copper conical sealing washers Connie seals or fitting seals on fittings Double clamp all hose barb fittings Avoid us
33. er revolution Crank shaft pulley 2 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 Table 1 Tachometer Calibration Synchronized Resolution BLACK Switch Setting E oo Tt ome ms ws es ur we L3 L3 pum ox pup 120 208 L3 poe 9 Lp eT TS TORT 5 24 Ce 4 39 6 16 2006 1000 207 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 CALIBRATION TwinScan 3 Instrument Tachometer LCD Gasoline Engines Back of Instrument Dial Lamp 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 c CE Outboard Black Switch Red Switch Calibration Knobs Wires There are two calibration switch
34. ero 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 0123456789AbCdEF 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 Blank LCD Display No back lighting Wiring bulb failure High Low or No Tachometer Reading Installation sheet Calibration sheet Fluctuating Tachometer Wiring continuity Sections II III In synch wlengine 00000000 Wire Harness Continuity Test Section III 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 Instrument Company Inc Tel 206 524 6625 Fax 206 523 4961 3016 NE Blakeley Street Seattle
35. es 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 until 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 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 Ga
36. ffect totalizer accuracy causing it to read 15 to 100 high Larger leaks produce greater fluctuations and higher readings They generally do not affect engine performance Finding suction leaks can be time consuming When approached properly they can usually be found and repaired quickly Two common places for suction leaks to occur are at the primary fuel filter water separator and or a loose valve stem packing nut Remove the filter housing and coat all o rings gaskets and sealing surfaces with a medium to heavy grease Do not use oil and reassemble Grease all valve stem packings and gently tighten gland nuts Don t over tighten valve handles should turn freely Tighten all hose clamps and compression fittings Don t over tighten Run the engine for 5 to 10 minutes observing GPH readings If you ve found the problem fluctuations should be reduced to less than GPH 8 30 2004 1000 204 00C 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 If problem persists temporarily install a clear piece of fuel resistant hose downstream of the forward flow sensor Run the engine and watch for a stream of small bubbles in the clear hose or an occasional larger bubble Sometimes shining a light through the hose makes bubbles easier to see Observe the clear hose while shaking the fuel lines If the bubble stream continually
37. he sensor s body Cracks cause leaks and fuel leaks sometimes cause catastrophic explosions and fire Assemble fittings with a Lubricating Fuel Proof Non or Semi Hardening pipe thread sealant designed for aluminum and stainless steel threads Loctite 567 or equivalent DO NOT USE TEFLON TAPE INSTRUMENT INSTALLATION e Before cutting holes in your Instrument Panel verify that the instrument will be installed approximately 12 away from the compass and in a shaded location out of direct sunlight Mounting it within 12 of a compass may interfere with compass operation Direct sunlight may cause the LCD display to temporarily turn black due to heat Instrument Series Cutout Size Instrument Depth 5400 0 5500 0 3 1 16 3 Console Panel Thickness 7000 0 8000 0 9000 0 TwinScan 3 3 8 2 V7 Console Panel Thickness Table 1 2 15 2007 7000 036 00M FloScan Instrument Company Inc Tel 206 524 6625 Fax 206 523 4961 3016 NE Blakeley Street Seattle WA 98105 Email serviceGfloscan com Http www floscan com Standard Flow Gasoline System Schematics FUEL TANK en FUEL TANK EE FUEL TANK 2 2 15 2007 FloScan Instrument Company Inc 3016 NE Blakeley Street Seattle WA 98105 Vane Gear Gear Rotor Electric Fuel Pump EFI amp Carburetor Engines 1 to 2 Minimum 20A 20B 231 Vertical Rise Flow Sensor ENGINE amp n 1 gt 12 Minimum Distance A 1 Fabr
38. ic Braid Flexible Fuel Line Preferred Outboard Motor Diaphragm Fuel Pump Mini imi N 208 231 1 t0 2 Minimum n d Flow Sensor ENGINE zz 12 Minimum Distance A 1 Fabric Braid Flexible Fuel Line Preferred Engine Driven Diaphragm Fuel Pump Carbureted Inboards and I O s Pulsation 1 pra 20 20 231 ertical Rise Flow Sensor ENGINE 31 12 Minimum Distance A 1 Fabric Braid Flexible Fuel Line Preferred 7000 036 00 Tel 206 524 6625 Fax 206 523 4961 Email serviceGfloscan com Http www floscan com High Flow Gasoline Fuel Flow Schematics Vane Gear Gear Rotor Electric Fuel Pump EFI amp Carburetor Engines 233 N FUEL Flow Sensor FUEL TANK FILTER IE S 12 Minimum Distance A 1 Fabric Braid Flexible Fuel Line Preferred Engine Driven Diaphragm Fuel Pump Pulsation Carbureted Inboards and I O s Damper 1 to 2 Minimum NV 233 Vertical Rise x FUEL Flow Sensor ini ENGINE FUEL TANK FILTER 12 Minimum Distance A 1 Fabric Braid Flexible Fuel Line Preferred High Flow Sensor Bracket Assembly 2 15 2007 7000 036 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 WIRING TwinScan Gas 3 GPH Instrument Only
39. ies 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 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 PORT STBD HOURS GPH MPG SPST or Momentary OFF SPST or Momentary OFF NA SPST or Momentary OFF SPST or Momentary OFF SPST or Momentary OFF NA SPST or Momentary ON NA NA NA NA SPST or Momentary ON NA NA NA NA NA NA NA NA NA A A SPST or Momentary ON NA NA NA SPST or Momentary i N SPST or Momentary ON NA SPST or Momentary SPST or
40. inal 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 engine 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 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 altern
41. increases or decreases you ve found the leak area Repair or replace as needed If this occurs one time you probably dislodged some trapped air If the leak hasn t been found the last step is to inspect each pipe joint Thread sealant should be visible around each joint If not that joint is suspect and must be resealed After resealing run the engine for a few minutes to purge any remaining air There should now be bubble free fuel running through the clear hose If bubbles are still present a leak was missed Recheck your work After all the leaks are stopped remove the clear hose VIII FUEL FILTERS A dirty fuel filter or one that is too fine 1 25 micron will draw vapor bubbles out of the fuel causing fluctuations and high readings Replace it with a new 30 micron or coarser filter IX FLOW SENSOR ORIENTATION Sensor orientation is critical for proper operation All Sensors have their inlet and outlet ports clearly marked IN OUT or gt gt This identifies fuel flow direction The Sensor must be Plumbed correctly for it to operate properly There is an additional single arrow on the Sensor body It is crucial that this single arrow points up X LOW RPM OPERATION At idle under a no load condition it is common for GPH readings to fluctuate slightly This concludes system testing If problems with your system persist contact FloScan Technical Support with testing results 8 30 2004 1000 204 00C FloScan Instrument Compa
42. ing 90 elbow fittings Install Sensor s at a low point in the fuel system as far from the engine as practical Fuel must travel If possible avoid bolting or mounting sensor s Up hill slightly after leaving the sensor Verify directly onto the engine correct orientation and fuel flow direction 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 Do nor connect s Data GER Connect Data to the GPS signal ground Always use non illuminated switches for Totalizer Reset Port Starboard Select Hours Synch and Never use illuminated or back lit switches GPH MPG 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 serviceGfloscan com Http www floscan com TwinScan 3 GPH Instrument Gallons Per Hour 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 The TwinScan GPH instrument allows you to quickly monitor and compare port
43. ion Planning Saves Time FloScan systems are not difficult to install Installing one requires only basic electrical 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 gt Female NPT ports FloScan Gasoline Lo Flo system components have 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 Al
44. is used when a tach is installed Port Engine key switch 1 2 amp fuse O O 12 VDC Starboard Engine key switch CABLE 1 2 amp fuse O 12 VDC RED WHITE PORT Flow Sensor STARBOARD Flow Sensor Battery buss BLACK Totalizer Reset Switch Do not use Back lit or Illuminated switches 5 15 2002 1000 108 00E 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 CALIBRATION TwinScan 3 GPH Instrument Gasoline and Diesel Engines To ensure years of trouble free operation of your new GPH Meter please read all of these instructions carefully before beginning your installation Calibration and flow sensor selection of your TwinScan 3 GPH Instrument is done with the sixteen position rotary switches on the back of the instrument The RED switch is used for sensor type and pointer damping selection the BLACK switch is used to calibrate your instrument It is critical that you set the sensor selection switch correctly Before re calibrating your instrument note the current position of the switch and check the calibration table for the correct flow sensor selection Changing the totalizer calibration also changes the analog needle calibration Re calibration is required only if you find your totalizer reading to be more tha
45. k 123 4 Current total gallons or total liters Indicates normal operation 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 If the self test fails the LCD shows PO plus a two digit number code The pointers also show the error number as a Blink Code Sitting near center scale the pointers will twitch upwards showing a numeric value For Po23 the pointers twitch twice pause for a moment and then twitch three times After a long wait the twitching resumes This continues until power is secured If the self test fails verify that supply voltage is at least 10 VDC If voltage drops below 10V the self test may fail II DUTY CYCLE TEST Start both engines and run at idle Close and open the RESET switch twice within 0 6 seconds like double clicking a computer mouse The LCD will show dcy when it s in duty cycle check mode With the display showing dcy the pointers should remain steady and in the middle third of their scales At very low flow rates the pointers track the on off signal from each sensor and will wiggle Increase engine rpm until the pointers are steady Steady readings with occasional Hick ups may indicate air or vapor bubbles passing through the sender Double click the RESET switch to return to the normal fuel flow display mode 8 30 2004 1000 2
46. mail service 2 floscan com Http www floscan com TROUBLESHOOTING TwinScan 3 Instrument Gallons Per Hour 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 amp Duty Cycle Tests outlined in Sections I amp II 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 automatically 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 Blan
47. n 2 different from the actual fuel put into the tank Various things such as the attitude of the boat in the water the amount of the fill up and how full the tank is filled affect accuracy The larger the amount of fuel you base calibration on the more accurate your system will be To check the calibration 1 the tank s and reset the totalizer to zero 2 Operate the boat in a normal manner until you would ordinarily refuel 3 Hill the tank s as close to the same level as possible Check the amount of fuel the tank actually took as well as the amount the totalizer shows you used In most cases these two amounts are within 2 of each other and no additional calibration is required 4 To change the calibration rotate the BLACK switch on the back of the instrument until the totalizer reads as close to your actual fill up as possible If your reading is off by more than you can calibrate go to the troubleshooting guide BLACK Switch Effect to Totalizer RED Switch No Change 3296 4496 4896 10 20 18 7 16 714 12 A 10 8 6 4 2 TwinScan MFI combination 9 19 2003 1000 148 00E 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 9 19 2003 1000 148 00E FloScan Instrument Company Inc Tel 206 524 6625 Fax 206 523 4961 3016 NE Blakeley Street Seattle WA 98105 E
48. nizer 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 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 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 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 bar
49. ny Inc Tel 206 524 6625 Fax 206 523 4961 3016 NE Blakeley Street Seattle WA 98105 Email service floscan com Http www floscan com
50. ometer and TwinScan GPH Instrument parallel power and ground wires as shown Otherwise wire as single instrument as shown 1000 205 00B Fax 206 523 4961 Http www floscan com Tel 206 524 6625 Email service 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 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 PORT STBD HOURS GPH MPG SPST or Momentary OFF SPST or Momentary OFF NA SPST or Momentary OFF SPST or Momentary OFF SPST or Momentary OFF N
51. onnect the other Ohmmeter Lead to a known good ground The Ohmmeter should read approximately 0 1 to 3 Ohm Reading 3 Disconnect the Brown and BLACK wire harness conductors from the WHITE and BLACK Starboard Sensor amp Instrument wires Connect a jumper from the BROWN wiring harness conductor to a known good ground At the Instrument connect an Ohmmeter lead to 15 BROWN wiring harness conductor Connect the other Ohmmeter Lead to a known good ground The Ohmmeter should read approximately 0 1 to 3 Ohm Reading Connect a jumper from the Black wiring harness conductor to a known good ground At the Instrument connect an Ohmmeter lead to its Black wiring harness conductor Connect the other Ohmmeter Lead to a known good ground The Ohmmeter should read approximately 0 1 to 3 Ohm Reading VI PULSATION PROBLEMS A stiff anti siphon valve sticking carburetor float miss plumbed Pulsation Damper s can cause fluctuating GPH readings These are most pronounced at low Rpm s and tend to disappear around mid throttle They are annoying but won t affect totalizer accuracy To eliminate repair or replace any defective parts or re plumb dampers according to the Fuel Flow Schematic Instructions VII FINDING FUEL SYSTEM VACUUM LEAKS Fluctuating GPH and High Totalizer Readings are usually caused by a small vacuum leak between the fuel tank and fuel pump inlet Fluctuations tend to be between 2 and 4 GPH These vacuum leaks also a
52. our 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 be 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 amp leads reversed Receiving NMEA 0183 Version 1 5 or 2 0 message GPS satellite reception is 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
53. ow 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 read 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
54. r 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 75187 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 wire 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 25 2006 4001 100 00J 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 wi
55. re 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 distributor 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
56. rument 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 Gas NMEA 0183 Input LCD COMBINATION ONLY kkkkkkkkkkkkkkkkkkkkkkkkkkkkkk This unit conforms to NMEA 183 Version 1 5 and 2 0 interface standards and requires a message 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 3 Connect the GREEN BLACK wire to the NMEA BNC shield terminal coming from your GPS LORAN C instrument 4 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 CALIBRATION 1 See y
57. s displayed Coarse gas Fine gas Coarse diesel Fine diesel 50 50 20 over 400 Over 400 over 300 over 300 Table 1 Synch resolution 4 Nautical Miles per Gallon 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 or L NM LPfn 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 all
58. soline Inboard Engines 1000 208 00A Fax 206 523 4961 Http www floscan com 7 8 2003 FloScan Instrument Company Inc 3016 NE Blakeley Street Seattle WA 98105 Tel 206 524 6625 Email service floscan com 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 manual 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 00 50 3 151 283 1382 E27 8
59. t shipped with Pulsation Dampers as carburetor Inboard and I O engines are no longer production If you have a Carburetor Inboard or I O engine Pulsation Dampers can be purchased factory direct Standard Flow Dampers are 30 00 each The standard Flow Damper can be ordered under Part Number 150 004 00 online at www floscan com in the Accessories section E mail sales floscan com or service floscan com The following engine types DO NOT require Pulsation Dampers Outboard Gasoline Engines Including Ficht Optimax 2 amp 4 Cycle Most Closed Loop EFI Gasoline Inboard and I O Engines e Sensors are marked with orientation and fuel flow arrows They must be installed with these arrows pointing in the right direction Standard Flow Pulsation Damper 20A 20B 231 SENSOR Outlet Inlet ARROW UP Fuel Flow Direction 2 15 2007 7000 036 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 High Flow Pulsation Damper 74 233 5 5 Inlet 5 Outlet gt 5 gt gt e Install sensor s with orientation arrows pointing UP Fuel must enter through the port marked IN or with an inward pointing fuel flow arrow and exit through the port marked OUT or with an outward pointing gt arrow The sensor must be installed
60. 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 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 sign
61. ways 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 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

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