Jp-instruments EDM 930 Primary Pilots Guide Manuel d'utilisateur

Pilot’s GuideEngine Data ManagementEDM-930PrimaryTSOCopyright  2010 J.P. Instruments, Inc.All Rights ReservedJ.P. INSTRUMENTS INC.Information: P. O.

For Your Safe Flight Page 5Remote Auxiliary Display BasicsThe Remote Alarm Display ‘RAD’provides alarm display, RPM and MAP,and is located directly in

For Your Safe Flight Page 6Scanner® Display BasicsThe EDM Scanner section is located in the lower left area of the screen.It consists of a graphical d

For Your Safe Flight Page 7the correct value for EGT difference rich of peak operation at 75%and 65%7. You can also see what the peak EGT was by holdi

For Your Safe Flight Page 8Take-Off,Climb, andFullThrottleOperationsSuggested setup: Standard view Automatic modeVerify: EGTs and CHTs consistent w

For Your Safe Flight Page 9Typical Normal MeasurementsThe following chart lists typical normal measurement values that youwill observe for most genera

For Your Safe Flight Page 10Engine Diagnosis ChartThe following chart will help you diagnose engine problems in your aircraft.Display Symptom Probable

For Your Safe Flight Page 11Display Symptom Probable Cause RecommendedActionSlow rise inEGT. LowCHTBurned exhaustvalve. CHT is lowdue to low poweroutp

For Your Safe Flight Page 12Section 3 - Displays and ControlsThe EDM monitors engine temperatures, pressures and voltages, assistsin adjusting the fue

For Your Safe Flight Page 132ndButton In Automatic or Manual modes, tapping the LF button will activatethe LeanFind mode. In the LF mode holding the

For Your Safe Flight Page 14RPM and MAP DisplaysThe upper left side of the displayshows RPM above the MAP. The arcsrepresent the analog values. Percen

Table of ContentsSection 1 - Getting Started 1Display View Angle 2List of abbreviations and acronyms 3Fuel Flow Computer Basics 3Control Button Basics

For Your Safe Flight Page 15Normalize / Standard ViewTo toggle between Standard and the Normalize views, hold the LFbutton for three seconds until the

For Your Safe Flight Page 16Linear Bar Graph DisplaysThe linear bar graphs are arranged in athree by three matrix on the right half ofthe display. A t

For Your Safe Flight Page 17HOBBS TimesEDM HOBBS: 127.4Engine HOBBS: 120.6Flight HOBBS: 2.7Flight Duration: 02:42:21Remote Auxiliary DisplaySee the im

For Your Safe Flight Page 18Section 4 - Operating ModesThe EDM has four basic operating modes: Automatic, Manual, Programand LeanFind. LeanFind is des

For Your Safe Flight Page 19Manual ModeTo activate Manual Mode, just tap the STEP button. Use the Manualmode when you want to lock on one specific mea

For Your Safe Flight Page 20Section 5 - LeanFindThe EDM supports two methods of leaning; ROP (Rich Of Peak) andLOP (Lean Of Peak). Note: on power-up,

For Your Safe Flight Page 21The illustration below shows the various relationships between themixture, fuel flow and engine power:The following pages

For Your Safe Flight Page 22Rich of Peak leaning is as simple as:A. Pre-lean your mixture.B. Tap the LF button (verify ROP appears).C. Lean mixture un

For Your Safe Flight Page 23Lean of Peak leaning is as simple as:A. Pre-lean your mixture.B. Tap the LF button (verify LOP appears).C. Lean mixture un

For Your Safe Flight Page 24LeanFind Procedure—General ExplanationLycoming and Continental established specific restrictions onleaning that must be fo

Section 9 - First Time Setup and Customization 38Pilot Programming Mode 40Adjusting the HP Constant for Rich of Peak Operation 42Adjusting the MAP 42A

For Your Safe Flight Page 25Lean Find-Activation: When a 15° EGT rise occurs, LeanFindactivates (indicated by a cylinder I.D. box flashing over the nu

For Your Safe Flight Page 26Lean Find-Rich Of Peak Detection: Eventually, one cylinder willreach peak before any of the other cylinders. The EDM will

For Your Safe Flight Page 27Lean Find-Lean Of Peak Detection: Note: This mode should only beused when your engine is equipped with balanced fuel injec

For Your Safe Flight Page 28Expanded Leaning ProceduresLean Of Peak mode: During the ‘lean of peak’ process, the EDM huntsfor the last cylinder to pea

For Your Safe Flight Page 29Section 6 - Fuel Flow OperationFuel ManagementWithout a means of measuring accurate fuel flow, you must rely on theaircraf

For Your Safe Flight Page 30Start Up FuelOn power-up, you will be prompted to enter any fuel you might haveadded to the aircraft (this process updates

For Your Safe Flight Page 31Example A: Aircraft has two fuel tanks with internal tabs.You’ve preset: ‘MAIN = 66’ (33 + 33 usable)‘AUX = 16’ (8 + 8 usa

For Your Safe Flight Page 32Example B: Aircraft has two MAIN and two AUX tanks.You’ve preset: ‘MAIN = 60’ (30 + 30 usable)‘AUX = 14’ (7 + 7 usable)Whe

For Your Safe Flight Page 33Example C: Aircraft has two MAIN tanks.When you partially refuel, use:‘Adjust? + 0.0 GAL’: use this to add the amount of f

For Your Safe Flight Page 34Resetting ‘USD’USD is automatically reset whenever you perform REFUEL on yourEDM (except if TRIP mode = yes).After filling

EDM-930 SYSTEM DISPLAYSEDM-930Main displayRemote Auxiliary Display(RAD)

For Your Safe Flight Page 35Section 7 - AlarmsWhenever a measured parameter falls outside of the normal allowedoperating limits, i.e. goes beyond redl

For Your Safe Flight Page 36Section 8 - Memory and Data DownloadThe EDM compresses and records all displayed parameters once everysix seconds (default

For Your Safe Flight Page 37Downloading Data from the EDMDownloading is a simple process. Follow the steps below:a. With the EDM powered up, plug the

For Your Safe Flight Page 38Section 9 - First Time Setup and CustomizationYour EDM comes with most settings programmed. However somesettings you will

For Your Safe Flight Page 39calibration data is sensible, correct and useable. Note: Pleaserefer to the installation manual for accessing fuel tables

For Your Safe Flight Page 40Pilot Programming ModeTo start Pilot Program Mode, hold both STEP and LF buttons until yousee PROGRAM for two seconds. The

For Your Safe Flight Page 41HP Constant= 12510 999Hold NEXT and button 2 until you seeADJUST. Tap PLUS or MINUS to adjust(%HP display will reflect ch

For Your Safe Flight Page 42Adjusting the HP Constant for Rich of Peak OperationTo fine tune the %HP readout, follow this procedure airborne between5,

For Your Safe Flight Page 43Adjusting the HP ValueYou must set the nominal horsepower of your engine. This value is usedto calculate the percent horse

For Your Safe Flight Page 441. Record data for three flights of about two to three hours each. Recordthe actual fuel used for each flight (total pumpe

Product Features Hands-free, automatic scanning LeanFind finds the first and last cylinder to peak with truepeak detect—eliminates false peaks Dis

For Your Safe Flight Page 45Entering the K factorThis process is used to enter/modify the K factor value in the EDM.1. Enter the pilot program mode by

For Your Safe Flight Page 46Setting the GPS Com FormatThis process allows you to select what GPS communication format theEDM should use when sending f

For Your Safe Flight Page 47WARNING: Never add or remove fuel from the aircraft when the masterswitch is turned on. Fuel quantity gauge performance

For Your Safe Flight Page 48Capturing the sender reading at each calibration point:Getting Started…Collecting Fuel Level Calibration Data using theEDM

For Your Safe Flight Page 49After you have collected your dataAfter you have collected your data…Entering / Editing Fuel LevelCalibration DataThe Fuel

For Your Safe Flight Page 503. Tap USER when you see ‘Do you want to restore user table?’Note: tapping FACTORY causes the fuel table stored on the Key

For Your Safe Flight Page 515. You see ‘Points in LEFT’, the current calibration points for theLEFT tank.6. Tap/hold VALUE to change to the desired nu

For Your Safe Flight Page 529. Tap/hold STEP to select the cell you want to edit. Tap EDIT tochange the value. Tap SAVE to record it. Follow the on-sc

For Your Safe Flight Page 53Troubleshooting the EDMCommon MisapplicationsProblem Situation CorrectionDisplay freezes or maybe incorrectA power transie

For Your Safe Flight Page 54Diagnostic MessagesThe following displays indicate malfunctions in the system:Startup and Operational Diagnostics0.0 GPHZe

Section 1 - Getting StartedImportant Note!You must have the remote auxiliary display—RAD— installedon the instrument panel of your aircraft. This is r

For Your Safe Flight Page 55GPS Interface DiagnosticsMeasurements ‘xxx REQ’,‘xxx RES’ and ‘xxx MPG’ are allmissing from the scan.No communications fro

For Your Safe Flight Page 56Section 12 - AppendicesTSO-only differences from Primary InstrumentsTSO-only models have the following differences from th

For Your Safe Flight Page 57 JPI Hastaloy-X probes may read as much as 100°F higher thanthe factory installed TIT probe. However, note that the engin

For Your Safe Flight Page 58Rear Apron Connector Locations

For Your Safe Flight Page 59Connector pin assignmentsP1 ( for 7 / 8 / 9 cyl engine)Pin # Functionyel 1 red 2 OIL Tyel 3 red 4 CARB Tyel 5 red 6 CHT 7y

For Your Safe Flight Page 60Navigation Data FormatsOutput of GPS; input to EDM. The EDM automatically configures itselffor one of three industry stand

For Your Safe Flight Page 61Section 13 - Technical SupportJPI offers both e-mail and telephone technical support. Have your modeland serial number rea

For Your Safe Flight Page 62Index** Pre-leaning procedure:, 22AAccumulate, 41total, 31Alarmpriority, 32Alarm limits, 3, 32display, 11Alarms, 32Alerts,

For Your Safe Flight Page 63select switch, 31too high, 8, 46too low, 8, 46Eliminate measurements, 16Enginediagnosis chart, 8limits, normal, 7run-up, 5

For Your Safe Flight Page 64Leanest cylinder, 20, 21LeanFindbutton, 11procedure, 4, 18Leaningby TIT, 25too quickly, 46LF. See LeanFindLong Term Memory

For Your Safe Flight Page 2Display View AngleThe best view angle for the pilot is in the horizontal mode with thebuttons on the bottom. The best Portr

For Your Safe Flight Page 65fouling, 5, 8Standard view, 13Startupdiagnostics, 46fuel, 2, 27Stuck valve, 8Switch, select, 31TTachometer. See RPMTake-of

For Your Safe Flight Page 66QUICK REFERENCEAutomatic Scan1. Tap LF.2. Tap STEP.Exclude Measurement inAutomatic Scan (toggle)1. Tap STEP to index to th

For Your Safe Flight Page 67PowerUpMain 75.0 GALAdjust? + 0.0 GAL*Main+Aux 115 GALProgramModeREFUEL?REFUELEXITREFUEL?REFUELNEXTSAVENEXTSAVE NEXTSAVENE

For Your Safe Flight Page 3List of abbreviations and acronymsFuel FlowComputer BasicsThe fuelflowcomputertracks thefuelflowing tothe engineandcomputes

For Your Safe Flight Page 43. Adjust? 0.0 GAL: Partial fuel added to existing quantity.See page 29 for expanded information on the refueling process.C