J.P. Instruments FS-450M TWIN Pilot's Manual
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J.P. Instruments FS-450M TWIN Pilot's Manual

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Pilot's Guide
Fuel Scan
FS-450M TWIN
Copyright © 2002 J.P. Instruments, Inc.
All Rights Reserved
Printed in the United States of America
J.P.INSTRUMENTS
Information: P. O. Box 7033
Huntington Beach, CA 92646
Factory: 3185B Airway
Costa Mesa, CA 92626
(714) 557-5434
Fax (714) 557-9840
www.jpinstruments.com
Rev NC 11/03

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Summary of Contents for J.P. Instruments FS-450M TWIN

  • Page 1 Pilot’s Guide Fuel Scan FS-450M TWIN Copyright © 2002 J.P. Instruments, Inc. All Rights Reserved Printed in the United States of America J.P.INSTRUMENTS Information: P. O. Box 7033 Huntington Beach, CA 92646 Factory: 3185B Airway Costa Mesa, CA 92626 (714) 557-5434 Fax (714) 557-9840 www.jpinstruments.com...

  • Page 2: Table Of Contents

    Table of Contents Section 1 - Introduction Product Features Fuel Management Section 2 - Displays and Controls Section 3 - Modes and Alarms Modes Alarms Section 4 - Operation Diagnostic Testing on Startup and During Flight Parameter Indexing Section 5 - Personalizing Pilot Programming FS-450M Set Up...

  • Page 3: Introduction

    Section 1 - Introduction Product Features • • Fuel quantity measured in gallons, Total amount of fuel consumed • liters, or pounds Fuel consumed by each engine • • Low fuel quantity alarm Total fuel remaining • • Low fuel time alarm Time to empty at the current fuel •...

  • Page 4: Displays And Controls

    Section 2 - Displays and Controls The FS-450M helps you manage your fuel. There are two components of the user interface: • Digital display for numeric readouts and messages: top display is fuel flow per hour and the lower display for all other parameters.
  • Page 5 tap of the STEP button will display the next parameter in the sequence. • Holding the STEP button will display the previous parameters in the sequence (rapidly backwards). • In the programming procedures, described on page 8, tapping the STEP button will advance to the next item in the list.

  • Page 6: Modes And Alarms

    Section 3 - Modes and Alarms Modes There are two standard operating modes of the FS-450M: Automatic Indexing, and Manual Indexing. Most of the time you will operate the FS-450M in the Automatic indexing mode. When you first turn on the power the FS-450M starts in the Manual indexing mode, but will enter the Automatic indexing mode after a minute.
  • Page 7 Start Up Fuel After initial self-test, you will be asked to inform the FS-450M of start up fuel. The FS-450M will display (or LITERS or POUNDS) for one second, and then flash During flight you may also inform the FS-450M of startup fuel using the pilot program mode, beginning on page 8, if you forgot to do so at start up.
  • Page 8 Adding Fuel and Auxiliary Tanks auxiliary tank Auxiliary capacity main tank with tab main tank Main capacity If your aircraft has tank fill tabs and no auxiliary tanks, you can use the auxiliary tank feature to select either filling to the tank tabs or topping the tank.

  • Page 9: Parameter Indexing

    Accumulate Total—Trip Total You may either display total fuel used • since the last time you informed the FS-450M that the aircraft was refueled, or • for an extended trip with multiple fuel stops. This selection affects only the USed parameter, .

  • Page 10: Personalizing

    Parameter Indexing Sequence Fuel flow rate is always shown on the top display. Fuel Flow Rate GPH (or LPH, or PPH) The lower display shows the following parameters in this sequence. Parameter Description Example Comments Total fuel used Total used by both engines Fuel USed by each Left and right engines shown engine...
  • Page 11 for two seconds and then the sequence shown in the chart below. Tap the STEP button to advance to the next item in the list. Tap the AUTO button to select alternate values of that item. Tap STEP to advance to Tap AUTO to the next item sequence...
  • Page 12 Start Up Fuel During flight you may also inform the FS-450M of startup fuel using the pilot program mode. See page 5 for the steps to take to set the start up fuel if you did not set it during power up. Indexing Rate In the automatic mode the display will automatically index through each parameter and pause for a period of time.
  • Page 13 used, fuel remaining and time to empty are not retroactively recalculated. Fine Tuning the K Factors The K factor shown on the fuel flow transducer does not take into account your aircraft’s particular installation. Fuel hose diameters and lengths, elbows, fittings and routing can cause the true K factor to be different from that shown on the fuel flow transducer.
  • Page 14 ( (L) New K Factor (R )= ( (R) ) x ( (R) Every time you fine tune the K factors, record the measurements here: actual Current K New K factor 450M fuel fuel used factor Date used Left Right Left Right If you haven’t already done so, start the pilot programming...

  • Page 15: Fs-450M Set Up

    Setting the GPS-C Comm settings The GPS-C setting selects the format of the fuel data output of the FS-450M. GPS-C Input to GPS; output of FS-450M No fuel data output Garmin (Shadin Miniflow format) Allied Signal (format B) Arnav/EI fuel data Allied Signal (format C) (Not used) UPS fuel/air data...
  • Page 16 Procedure—Changing the Set Up: Hold both Hold both buttons for 5 Tap STEP buttons for 5 seconds until button until seconds until the words the words the words Hold or tap AUTO Tap STEP to next item to sequence through these values Description Selects fuel units...

  • Page 17: Fuel Measurement Units, Fuel Capacity, Alarm Limits

    Fuel Measurement Units, Fuel Capacity, Alarm Limits Fuel Measurement Units Selects the units in all parameters where fuel quantity or fuel rate is displayed. If you change this parameter, it does not change the numerical value of the fuel tank capacity. You must do this manually.

  • Page 18: Data Formats, Diagnostics

    Carburetor? Different response filters are used depending on whether your engines are carbureted or fuel injected. The filters for a carbureted engine have a slower response time to reduce sudden fluctuations in readings. Select FILTR=1, 2 or 3 where higher number is more smoothing.

  • Page 19: Setting Gps-C Communications Output Format

    Setting GPS-C Communications Output Format GPS-C Input to GPS; output of FS-450M No fuel data output Garmin (Shadin Miniflow format) Allied Signal (format B) Arnav/EI fuel data Allied Signal (format C) (Not used) UPS fuel/air data * Recommended formats. GPS Interface Diagnostic Messages Parameters REQ - RES No communications from GPS receiver to - MPG are all missing...

  • Page 20: Rear Panel Connector Pin Assignments

    Navigation Data (output of GPS; input to FS-450M) Compatible with RS-232, TTL, RS-423, RS-422 SDA. Serial data format 8 data, 1 start, no parity. Baud rates: 1,200, 4,800, or 9,600 depending on the GPS data output format. The FS-450M automatically detects the GPS data output format and is independent of the GPS-C setting.

  • Page 21: Technical Support

    Section 8 - Technical Support offers both e-mail and telephone technical support. Have your model and serial number ready when you call. Call for a return authorization number before returning any equipment. J.P.INSTRUMENTS 3185B Airway, Costa Mesa, CA 92626 800 345-4574 714 557-3805 www.jpinstruments.com For Your Safe Flight...
  • Page 22 Limited Warranty J.P. Instruments, Inc. (JPI), warrants all parts in your new FS-450M to be free from defects in material and workmanship under normal use. Our obligation under this warranty is limited to repair or exchange of any defective part of this unit if the part is returned, shipping prepaid, within two years for electronics and one year for probes from the date of original purchase.

  • Page 23: Index

    Index GPS formats, 16 Default alarm limits, 13 settings, 13 Accumulate Defueling, 6 total, 7 Diagnostic Adding fuel, 5, 6 GPS interface messages, 17 Adjusting self test, 4 K-factor, 10 Disable alarm feature, 16 Alarm limits Disable fuel tank capacity features, 16 factory defaults, 13 Disable GPS parameters, 16 low fuel, 15...
  • Page 24 Gallons per hour, 8 Garmin, 13, 17 GPH, 8 Nautical miles per gallon, 8 Navigation data formats, 16 comm settings, 13 NMEA-183, 16 constant, 9 Northstar binary format, 16 data formats, 16 GPS-C, 9 interface diagnostics, 17 OFF, 4 Operation, 4 Holding a button, 2 Parameter indexing, 7 Pause interval, 9...
  • Page 25 alarm limits, 13 Total fuel, 7 Shadin Miniflow, 13, 17 used, 8 SIG, 17 Transducer, fuel flow, 1 Startup Trip accumulate, 7 diagnostics, 4 fuel, 5 STEP button, 2 Units, fuel measurement, 15 UPS, 13, 17 USed, 7, 8 Tabs, 5 Tabs, tank, 15 Tanks, fuel capacity, 6, 15...
  • Page 26 FS-450M Specifications FAA Approved Operating Temperature Fuel Flow Transducer: Range: -40 to 195 o F STC SA00432SE Display Size: in panel mount 2.6 in. sq., 2.5 in. deep incl. conn. FlowScan® 450M Always shows fuel flow of each engine Left Right Flow per hr...
  • Page 27 FS-450M Quick Reference Card Reset Alarm Totalize Fuel Used Temporary reset (next 10 1. Hold both STEP and AUTO minutes): tap STEP. until you see: Reset for remainder of flight: hold STEP until the word appears. immediately followed by: 2. Tap STEP four times and Reset Fuel Used see: 1.
  • Page 28 FS-450M Quick Reference Card Filled Tanks Added or Removed Fuel In flight do steps 1, 2, 3 first (on In flight do steps 1, 2, 3 first (on power up skip to step 4) power up skip to step 4) 1.

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