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J.P. Instruments EDM-900, Руководство по установке

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FAA Approved Installation Manual for the

Report No 908

EDM-900 and EDM-930

Page 20 of 56 Rev I

Primary Engine Data Management System

Date 1-18-2013

24.

Fuel Level Sender Wiring Types

The EDM has the capability to interface to the aircraft’s fuel level system. It is also used to directly read the fuel
senders for fuel calibration (

no other equipment is needed

). To implement the EDM fuel tank gauge functionality,

the EDM is connected directly to the senders or in some cases to the aircraft’s fuel sender signal conditioner (for
example the Pennycap system typically found in Cessna). The EDM has the capability to process signals from
three types of sender signals: Resistive output, Voltage output or Frequency output. JPI provides the appropriate
interface hardware (the P5 harness and any associated signal conditioners) based on information you provided
when your order was placed. Once installation is completed, you will perform a fuel level calibration. The EDM
stores this calibration internally.

NOTE: The fuel quantity function will not be available until this calibration

has been performed successfully

.

24.1

Capacitive Sender Frequency Output Type Sender System

Although frequency output type senders are uncommon in certified aircraft, JPI supports this interface. The P5
harness has two 3 conductor cables labeled LEFT TNK and RT TANK that are connected directly to the left and
right senders. See the drawing below for basic connection information (only right tank shown for illustration
purposes). Final route the LEFT TNK and RT TANK cables as necessary, then crimp the female contacts onto each
cables GRN, BLK, RED wires, then insert them into the connector housing. Connect this to the sender’s cable
connector. Connect the white wire of the pod cable to the center insulated terminal on the sender, and the black
wire to the terminal mounted on the metal body on the sender. See illustration on following page

.

24.2

Resistive Output Type Sender System (Float type, most common)

Locate the wires that run between the existing ships fuel gauges and the senders and disconnect them. For tanks

that have more than one sender, the wiring between the senders must be retained. Make sure the senders do not
have voltage on them before connecting to the EDM. Connect the EDM to the senders using the wire pairs coming
from the signal conditioner as shown below. Note that one pair is for MAIN and the other is for AUX. Connect the
‘SIG’ wire to the senders signal terminal (typically the center stud) and the ‘GND’ wire to the closest ground terminal
near or on that sender. See illustration on following page.

Содержание EDM-900

Страница 1: ..._________________________ 19 24 Fuel Level Sender Wiring Types ___________________________________________________________________ 20 25 Fuel Flow Totalizer Refuel Question _______________________________________________________________ 26 26 GPS Interface _________________________________________________________________________________ 27 27 Manifold Pressure MAP Sensor __________________________...

Страница 2: ...pipe sealant with the FXT 201 or FXT 231 fuel flow transducer Write down the K factor engraved on the side of the fuel flow transducer here _______ Once the transducer is installed and covered with the fire sleeve you will not be able to access this K factor Determine the locations of all holes before drilling to ensure that nothing interferes with the probe clamp clamp screw or wire Provide servi...

Страница 3: ...ight EGT 4 9 Time to empty Fuel Remaining Fule USED OIL TEMP FUEL PRESS TIT OAT CARB Required to WP Shock Cooling OIL PRESS RPM CDT Volts Amps Reserve at WP Differential EGT Normalize MAP FUEL Quantity IAT MPG Percent of HP Example PN 790000 X XXX X denotes EDM 900 or EDM 930 XXX denotes Part Number for a specific aircraft with or without and engine STC Each PN is specific to a Make and Model Airc...

Страница 4: ... xx x in hg Engine Cylinder Head Temp CHT2 xxx o F Engine Oil Temperature O T xxx o F Engine Oil Pressure O P xxx o F Fuel Pressure F P xx PSI Fuel Flow to engine F F xx x GPH Comp Discharge Temp CDT xxx o F Turbine inlet Temp Left side TIT L xxxx o F Turbine Inlet Temp Right side TIT R xxxx o F Single Turbine Inlet Temp TIT xxxx o F Non Primary Non Primary Exhaust Gas Temp EGT2 xxxx o F Shock Coo...

Страница 5: ... limit excedances when any of the parameters have reached its preset trigger point Whenever limit alarms are not triggered the RAD continuously displays MAP and RPM On initial startup or whenever power is turned on the words EDM 930 PRIMARY are displayed followed by the make and model of the aircraft with STC information for which the primary limits were set Alarm hierarchy for the EDM 900 930 Whe...

Страница 6: ...FAA Approved Installation Manual for the Report No 908 EDM 900 and EDM 930 Page 6 of 56 Rev I Primary Engine Data Management System Date 1 18 2013 EDM 930 Display RAD ...

Страница 7: ...cape position depending on panel hole location By holding the Step button first on left for approx 10 seconds and arrow will appear on the display showing which way the rotation will use as up Use the LF Second from left button to index the rotation arrow When the proper position is achieved tap the step button Tap STEP to save the new rotation At this point properly the rotation will be saved and...

Страница 8: ...directly in front of the pilot for the EDM 930 and an alert light for the EDM 900 is mounted in a 3 8 dia hole The diagram below should be used as a guide for cutting and drilling the mounting and buttonholes in the instrument panel The dimensions shown are for the finished cutout Allow extra clearance for any panel finish such as powder coat The EDM mounts from behind the panel through this cutou...

Страница 9: ...ment and tighten the clamp hex screw until you can just remove the instrument from the bracket The Mounting bracket is then placed behind the instrument panel hole and screwed 6 32 x screws in place using the existing holes Three screws should be used leaving one hole vacant on either side of the hex screw Locate the hex screw in a location that you can easily get to from the rear of the panel The...

Страница 10: ...to a maximum of 21 to the further most gauge of the EDM display and to the left of the centerline as much as needed VERTICAL ORIENTATION The EDM display is to be mounted within 10 from the horizontal centerline of the Primary Flight Instrument T The installer should insure that the EDM display is not obstructed by either the glare shield or the control wheel The installing A P and IA must insure t...

Страница 11: ...rom the probe or sensor being sure there is sufficient slack to absorb engine torque It is essential in routing the probe wire that this wire not be allowed to touch metal parts of the air frame or engine since abrasion will destroy this high temperature wire Secure wires along the route to the indicator Secure wire using original clamps tape or tie wrap if possible Note The probe wires must not b...

Страница 12: ...ug on the wire The terminal should be impossible to pull off when crimped correctly shrink tubing ring terminal Place a x 4 inch sleeve over each pair of wires in the wiring Connect the wire ring lug to the probe ring lug using the supplied number 4 screws and nuts placing the star washer between the ring lugs not against the nut Important place star waster between two ring terminals and tighten n...

Страница 13: ... note orientation of slot Seal Washer 12 RADIAL Engine EGT Radial engine exhaust require a larger EGT clamp supplied to fit the 2 5 inch exhaust pipe The EGT probe is installed in the same fashion as a Lycoming or Continental engine and should be placed between the exhaust pipe flange and the accumulator at a distance of 2 to 3 inches from the engine exhaust flange Refer to the engine manufactures...

Страница 14: ...ces the standard copper spark plug gasket on one spark plug The probe is usually placed on the plug that receives the most direct cooling air After many removals the probe may be annealed for re use Heat to 1100 o F and quench in water 16 Outside Air Temperature OAT Probe Installation Use the J1 connector harness 790200 labeled OAT All wiring must be type K thermocouple wire Do not splice ordinary...

Страница 15: ...sing type K thermocouple wire red yellow Connect the wire marked oil temperature observing polarity to pin 1 and 2 on 790200 Wire length has no effect on the readings Oil temperature will be displayed as an independent temperature digital and bar graph Check with engine manufactures proper location for oil temperature Check for oil leaks before first flight 20 Oil Pressure Sensor Installation Use ...

Страница 16: ...ructure or firewall Do not mount the sensor s directly to the engine Connect the other end of the hose to the existing pressure line Later you will connect the pressure sensor to the four pressure sensor wires through the supplied 4 pin connector Part No 790775 required for Carburetor engines OR Transducer PN 3060 17 for injected engines PN 3060 17 is a resistive and requires two wires with no pol...

Страница 17: ...o confirm change of channel Tap NEXT until FUEL PSI is displayed tap SAVE Tap YES to confirm change tap NEXT o Use NEXT and PLUS MINUS keys to adjust color bands and limits for FUEL PSI gauge o Tap SAVE to save changes to the gauge YES to confirm o Tap DONE to exit gauge editing mode Tap NEXT repeatedly until EDIT CHANNELS is displayed Tap yes to edit channels o Tap STEP several times to select FU...

Страница 18: ...n The shunt can be installed between the master contactor and the main bus in which case it will be in the ammeter configuration showing battery charge and discharge Be sure that the positive side of the shunt is connected to the main bus in the ammeter configuration The alarm will be triggered by a discharge condition BATT Master switch Starter Starter solenoid Master switch contactor Bus F G B e...

Страница 19: ...ent PN 201 A NA 201 B 680501 680600 201 C NA 231 680503 Before connecting any hoses to the transducer thoroughly clean them and insure they are free of any loose material Never pass air pressure through the transducer or use Teflon tape pipe cement damage will occur Use only steel fittings supplied never use aluminum fittings on transducer Remove the transducer cap plugs only when ready to install...

Страница 20: ...e senders are uncommon in certified aircraft JPI supports this interface The P5 harness has two 3 conductor cables labeled LEFT TNK and RT TANK that are connected directly to the left and right senders See the drawing below for basic connection information only right tank shown for illustration purposes Final route the LEFT TNK and RT TANK cables as necessary then crimp the female contacts onto ea...

Страница 21: ... Manual for the Report No 908 EDM 900 and EDM 930 Page 21 of 56 Rev I Primary Engine Data Management System Date 1 18 2013 Example harness arrangement for an aircraft with resistive output senders Resistive Harness PN 790719 3 ...

Страница 22: ...this system with the addition of the dashed interface hardware PN 790802 shown below NOTE This drawing is accurate for most models of the Pennycap system however it is the installer s responsibility to verify proper connections to the Pennycap output signal 24 4 Fuel Tank Calibration Setting Fuel Calibration Points The EDM interfaces to various fuel level sensor types to facilitate direct reading ...

Страница 23: ...d into the system later The zero gallon point reading is always taken with unusable fuel in the tank Example of a completed 3 point table for LEFT tank LEFT F 39 0 GAL 1907 2 19 5 GAL 1154 E 0 0 GAL 685 2 This screen shown below provides real time readings of all active fuel level sensors Verify readings look normal Reading are arbitrary whole numbers 3 Now add fuel as needed to match the required...

Страница 24: ...g Fuel Level Calibration Data The Fuel Table Editor is a spreadsheet type format allowing you to easily see the volume and related calibration values side by side You can easily navigate through the cells to enter values 1 With power off hold in Button 3 Button 1 being far left and then turn on power Wait until you see Do you agree with the disclaimer Tap YES if you agree and wish to continue 2 Ta...

Страница 25: ... the Key Card to over write any previous user entries in the fuel table Use FACTORY if you want to start from the original factory default 4 Tap POINTS when you see Do you want to edit the table 5 You see Points in LEFT the current calibration points for the LEFT tank 6 Tap hold VALUE to change to the desired number of calibration points for this tank 2 to 5 Each Tank can have a different set of c...

Страница 26: ...nge the value Tap or hold Modify to change digit Tap digit to change another part of the number 10 Tap SAVE to record it Follow the on screen menus to edit the value Repeat previous step until all tanks data have been entered 11 You see Save fuel tank data Answer SAVE to store all final data values or CANCEL to return to table editing To complete the process tap SAVE a second time 25 Fuel Flow Tot...

Страница 27: ... GPS manual for the required pin connections on the GPS 27 Manifold Pressure MAP Sensor Screw a AN816 4D flared to pipe thread into the Aeroquip 303 hose to and from the bulkhead fitting an 832 4 as shown below if not already installed from the aircraft factory MAP gauge 27 1 Alternate method of Manifold pressure transmitter installation in aircraft using existing Manifold Pressure gauge For the J...

Страница 28: ...MP FACTOR 500 1 0182 400 1 0145 300 1 0109 200 1 0073 100 1 0036 0 1 0000 100 0 9964 200 0 9928 300 0 9892 400 0 9856 500 0 9821 600 0 9785 700 0 9750 800 0 9714 900 0 9679 1000 0 9644 1100 0 9609 1200 0 9574 1300 0 9539 1400 0 4 1500 0 9469 1600 0 9435 1700 0 9400 1800 0 9366 1900 0 9332 2000 0 9298 2100 0 9264 2200 0 9230 2300 0 9196 2400 0 9162 2500 0 9129 2600 0 9095 2700 0 9062 2800 0 9028 29...

Страница 29: ...ndix 1200 series pressurized JPI 420807 Connector to harness engine Alternate bracket locations T O P position lim it position lim it M ount sensor side of bracket towards m agneto body positioned over the m agnet arm atur e C onnector to harness Slick 6000 4000 series non pressurized JPI 420815 1 engine C onnector to harness Slick 6000 4000 series pressurized JPI 420809 engine TOP Sensor ring mun...

Страница 30: ...harge Load NON TSO 20 HC 120 of HP NON TSO 21 Fuel Level Resistive Capacitive TSO 55 22 Low fuel 10 Gal 23 Low time 45 Min 24 Main tank 75 gallons 25 Aux tank 0 26 GPS set at GARMIN 27 Diff 500 degrees TSO C43 28 CLD 60 degrees per minute TSO C43 29 Amps limit 100 amps NON TSO 30 Record time 6 sec intervals NON TSO 31 Hobbs on at 1000 RPM NON TSO On 14 vdc systems during start up the EDM may reset...

Страница 31: ...cedures see Aircraft Pilot Operating Handbook Verify that the EDM 900 930 is operating normally and there are no bad probes or alarm messages Set the frequency and audio panel to listen to that radio Loud buzzing humming is considered unusual noise in the context of these tests also the OBS needle should not move Should any EMI noise be found that is attributed to the EDM 900 930 system it must be...

Страница 32: ...N 700900 1 2 1 1 1 1 1 Fuel Level sender option P N 791000 1 1 1 1 1 MAP P N 159934A Kit 14400 1 1 1 1 1 RPM one of P N 420815 1 2 1 1 1 1 1 RAD P N 790749 for use with the EDM 930 1 1 1 1 1 Alarm light PN 790547 for use with the EDM 900 1 1 1 1 1 31 1 Component Parts List for EGT KIT 12800 TIT KIT 120000 1 Thermocouple type K probe PN M 111 1 Stainless Steel Clamp Thimble 1 Stainless Steel Exhaus...

Страница 33: ...pressure sensor 1 P N 159961 Clamp Loop Cushioned 1 P N 174402 Connector Pack 3 Pin and Terminals 31 9 Component Parts list for Kit 14800 Differential Fuel Pressure only if required by POH 1 P N 159938 Fuel pressure sensor 1 P N 159961 Clamp Loop Cushioned 1 P N 174204 Connector MS 3116F8 4S 31 10 Component Parts list for ampere shunt KIT 13000 1 P N 159920 100 amp shunt 2 Ring Terminals 31 11 Com...

Страница 34: ... 0 disables the Automatic Mode OAT F OAT F OAT C To calibrate the OAT 10 hold both the STEP and LF buttons simultaneously for five seconds which will proceed to the next step Otherwise the next step will be skipped OAT 0 OAT I0 OAT I0 This step will be normally be skipped Adjust the indicated temperature up or down by up to 10 For example OAT 3 adjust the OAT 3 higher EGT I N EGT I N EGT I Y Y Yes...

Страница 35: ...AP 0 The adjustment range for the MAP is 3 0 in Hg As you adjust the MAP up or down you will see a change in the MAP gauge under RPM When you see the correct setting stop 4 Tap the Step OK button to proceed to the next step or hold both buttons again to exit setup Do this one time and only if the MAP on your manifold pressure gauge doesn t match the MAP shown on the EDM 900 You must do this on the...

Страница 36: ...isplayed in the scanner message area 5 Hold the STEP and LF buttons until the word ADJUST appears in the message area 6 You will see a prompt like 1 VOLTS or similar This describes the data channel to be displayed in the first non primary data location 7 Tap the CHANGE button to change to the next non primary data channel The new data channel selected will be displayed in the 8 Tap the NEXT button...

Страница 37: ...ghts of about two to three hours each Note the actual fuel used as determined by topping the tanks and the EDM 900 calculation of the fuel used for each flight USD Flight Fuel USED shown by EDM total tank REM Actual fuel used by topping tanks 1 2 3 Total 2 Total the EDM 900 calculated fuel used and the actual fuel used 3 Record the current K factor here ____________________ and in the table below ...

Страница 38: ...ect the next digit to edit 6 Repeat steps 4 and 5 until the displayed value is set to your desired value 7 To save new value hold STEP and LF buttons simultaneously for about five seconds until the K factor parameter exits 8 Tap STEP repeatedly until you see END Y then Tap STEP once more to exit the Pilot Program Mode 40 Programming Accumulate Trip Total Accumulate default is OFF resets the fuel u...

Страница 39: ...F SCALE EGT COLUMNS TOO HIGH OR LOW Off scale EGT column readings EDM in the Normalize view blue EGT scales Return to Standard mode by holding the LF button FIRST CYLINDER TO PEAK IS NOT THE HOTTEST The first to cylinder peak is not necessarily the hottest This is normal EGTS RISE DURING SINGLE MAGNETO CHECK Incomplete combustion persisting longer This is normal EGTS NOT UNIFORM DURING LOW POWER O...

Страница 40: ...o factory 41 1 GPS Interface Diagnostics Problem Situation Correction Measurements xxx REQ XXX RES AND XXX MPG are all missing from the scan No communications from GPS receiver to EDM No connection or aircraft GPS is off NO COM message and xxx REQ XXX RES AND XXX MPG are all missing from the scan Communications are received by EDM and the Auto Protocol setup is in process Verify correct output for...

Страница 41: ...ion Manual for the Report No 908 EDM 900 and EDM 930 Page 41 of 56 Rev I Primary Engine Data Management System Date 1 18 2013 42 Connector Pin Assignments on EDM J1 through J5 Rear view of EDM 930 Showing Connector Locations ...

Страница 42: ...00 and EDM 930 Page 42 of 56 Rev I Primary Engine Data Management System Date 1 18 2013 43 Connector Pin Assignments on EDM J1 through J5 Rear view of EDM 900 Showing Connector Locations 6 1 9 5 9 1 15 8 14 1 25 13 14 1 25 13 P3 P1 P2 P4 9 1 15 8 P5 Alert Light ...

Страница 43: ...FAA Approved Installation Manual for the Report No 908 EDM 900 and EDM 930 Page 43 of 56 Rev I Primary Engine Data Management System Date 1 18 2013 ...

Страница 44: ...FAA Approved Installation Manual for the Report No 908 EDM 900 and EDM 930 Page 44 of 56 Rev I Primary Engine Data Management System Date 1 18 2013 ...

Страница 45: ...ved Installation Manual for the Report No 908 EDM 900 and EDM 930 Page 45 of 56 Rev I Primary Engine Data Management System Date 1 18 2013 44 J3 RPM MP Oil P J 3 Harness with i2s Oil and manifold pressure sender ...

Страница 46: ...rom GPS IN OUT Main FF 700900 1 201 2 231 White 1 Gray 2 white 4 red 5 black 6 NC 9 White 12 10 11 13 White 14 Gray 15 Remote fuel flow alarm light option IN OUT FF2 Power and ground connect to pins 5 and 6 respectively 5 6 Right low fuel switch Left low fuel switch AMPS 2 159920 J4 FF GPS AMP 2 Return FF 700900 1 201 2 231 Optional Optional optional Serial communications ...

Страница 47: ...allation Manual for the Report No 908 EDM 900 and EDM 930 Page 47 of 56 Rev I Primary Engine Data Management System Date 1 18 2013 44 1 J5 PN 790719 fuel tanks fuel press amps J 5 Harness with i2s fuel pressure sender 1 ...

Страница 48: ...FAA Approved Installation Manual for the Report No 908 EDM 900 and EDM 930 Page 48 of 56 Rev I Primary Engine Data Management System Date 1 18 2013 ...

Страница 49: ...on Manual for the Report No 908 EDM 900 and EDM 930 Page 49 of 56 Rev I Primary Engine Data Management System Date 1 18 2013 45 Appendix A Fuel Flow install Report 503 See attached Report 46 Appendix B ICA See attached Report ...

Страница 50: ...4 28V Pwr BAT1 14 OAT Y 15 OAT R 16 ITT Y 17 ITT R 18 Emerg Hyd Pr in 0 5V Kg 5V lb 0V Select 19 Main Hyd Pr in 0 5V Day 5V Night 0V Select 20 Fuel Pr 5V power 21 Fuel Pr input 0 5V 22 Fuel Pr Gnd 23 AMPS 1 connected to generator shunt 24 AMPS 2 connected to battery shunt 25 Power Ground J2 DB25F Production Version 1 ARINC IN 1A Not used 2 ARINC IN 1B Not used 3 GPS RS232 Data In 4 GPS RS232 Data ...

Страница 51: ... This Supplement must be attached to the FAA Approved Installation Manual when the J P Instruments EDM 900 930 is installed in accordance with Supplemental Type Certificate SA01435SE Before performing any procedures contained in this manual the user should verify they have the latest ICA revision Please check web site at www JPITech com for the latest revision of this manual The registered owner o...

Страница 52: ...ete Document 1 thru 6 A 2 07 2012 Added Penetration of Aircraft Pressure Vessel item 9 Page 5 B 4 23 2012 Revised items 5 and 9 Page 5 C 5 16 2012 Deleted old items 3 and 12 Revised old items 4 5 8 and 14 new items 3 4 7 and 13 Pages 5 and 6 D 7 15 2012 Clarified acronyms in item 2 Corrected typographical errors in revision log items 2 4 5 6 and 7 Reworded items 4 and 14 for clarity Added Rev D to...

Страница 53: ...nt The EGT CHT and turbine inlet temperature TIT are presented in the lower left corner Below the EGT CHT columns is a message center that displays the digital values of the EGT CHT TIT and additional functions like shock cooling and caution and limit alarm messages OAT is displayed in its own box in degrees C or F With the EDM 930 having a fixed display the EDM 900 can rotate 90 degrees to accomm...

Страница 54: ...splay and the RAD will flash Tapping the STEP button will extinguish the red display warnings on the main display but the RAD will also continue to flash the acronym until the parameter is not at or beyond the limit value Primary alarm limits for each specific aircraft model are set by JPI and are not programmable by the pilot These include some or all of the following CHT CDT EGT O T O P F P QTY ...

Страница 55: ... or higher Sections 7 through 43 Repair of thermocouple wiring is not allowed Damaged thermocouple wiring must be replaced Maintenance of nonfunctioning or malfunctioning components may only be done at the JPI factory 5 Troubleshooting Information Troubleshooting information can be found in section 42 of the EDM 900 930 Installation Manual Report No 908 Rev H or higher 6 Removal and Replacement In...

Страница 56: ... 43 16 and 91 403 of the Federal Aviation Regulations unless an alternative program has been FAA approved 14 Revision These Instructions for Continued Airworthiness have been reviewed and accepted by the FAA In the event that a revision is required the revision will be submitted to the FAA for review and acceptance Before performing any procedures contained in the manual the user should verify the...

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