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FAA Approved Installation Manual for the EDM-960 system

Report No 909

Primary Engine Data Management System

Page 17 of 45 Rev C

Date 12-12-12

22.1

Volt Meter reading

is derived from the bus location that the EDM Display is wired to. A second voltage

input is also available.

22.2

Load Meter Configuration.

The shunt must be installed in the main bus where it will be the load meter

configuration showing alternator load (positive only). Be sure that the negative side of the shunt is connected to the
main bus in the load meter configuration. There are no alarms for the load meter configuration.

23. General Fuel Flow Transducer Installation

Use the J4 connector harness 700708 labeled FFSIG (white), FFPWR (red), and FFGND (black). If no previous fuel
flow transducer is installed, install transducer per Report 503, Rev B, 03/14/97, FUEL FLOW TRANSDUCER
INSTALLATION . The EDM-960 receives signal from any installed FloScan Transducer with the following FloScan
P/N’s embossed on to the top of the transducer. The K-Factor is marked on the side of the Transducer and on an
attached white ticket. Wire per drawing 790744, Route the JPI wires along the existing wiring bundle lacing every
foot. The EDM is approved to work with the following Shadin equivalent PN.

FloScan PN

Shadin equivalent PN

201-A
201-B

680501/680600

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 never use aluminum fittings on transducer. Aluminum will gaul. Remove the transducer cap plugs
only when ready to install the hoses. Note the direction of fuel flow marked on the transducer. Fuel must flow in this
direction. Reverse flow installations will read ½ the required flow. Mount the transducer with the three wires pointing
up. The K-factor is printed on the side of the transducer and on a tag. Write down the K-factor here for future
reference __________.

Aeroquip Fire Sleeve
AE102/62-24

Aeroquip

900591B Clamp

IN

OUT

6 inches maximum from

support

to carburetor, flow
divider, or fuel
injector

from fuel tank,
throttle body or
engine driven fuel
pump.

MS 21919

Clamp as required

Fittings 1/4 NPT. Do NOT
use aluminum fittings

Aeroquip
303 hose

Transducer

Cut slit in fire sleeve

up

The EDM-960 fuel flow transducer receives signal from any installed 201 transducer with part numbers imprinted
on to the top of the transducer. For specific engine installations see Report 503

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Содержание EDM-960

Страница 1: ...robe Installation _______________________________________________________ 15 20 Oil Pressure Sensor Installation __________________________________________________________ 15 21 Fuel Pressure Sensor Installation_________________________________________________________ 15 22 Ammeter Shunt Installation _______________________________________________________________ 16 23 General Fuel Flow Transducer...

Страница 2: ... aluminum fittings or Teflon tape or 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 cl...

Страница 3: ...ON PRIMARY INSTRUMENTS EGT FUEL FLOW Remote Display EGT 4 9 Time to empty OAT AMP VOLTS CARB IAT CHT FUEL PRESS TIT OAT CARB Required to WP Shock Cooling Lean Find OIL TEMP RPM CDT Volts Amps Reserve at WP Differential EGT OIL PRESS 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...

Страница 4: ...acknowledges the alarm by tapping the STEP button on the EDM 960 On initial startup or whenever power is turned on the words EDM 960 PRIMARY are displayed followed by the make and model of the aircraft for which the primary limits are set Gauge Function Message Area Alarm Abbreviation Primary Primary Engine rotational speed RPM xxxx Engine Manifold Pressure MAP xx x in hg Engine Cylinder Head Temp...

Страница 5: ...erence should one of these limits be reached 1 OILP_LO 2 FP_LO 3 OILT_HI 4 CHT 5 TIT 6 FLVL 7 REM 8 FP_HI 9 MAP 10 DIF 11 CLD 12 RPM 13 OILT_LO 14 VOLTS 15 OILP_HI 16 AMPS 17 CDT 18 RES 19 EGT 20 Fuel Flow 7 Dimming Automatic dimming is provided to dim both the panel display and the remote alarm display RAD Dimming can also be accomplished manually to change the Automatic setting Tapping the far r...

Страница 6: ...finish such as powder coat The plastic button caps are removable by grasping and pulling each off The EDM 930 mounts in a 6x4 5 cutout Mount the indicator using the figure below as a guide If the panel has too many holes for a clean installation it is recommended that an 10 aluminum overlay panel be constructed and installed over the original instrument panel and the EDM be installed into this ove...

Страница 7: ...the EDM 930 display and to the left of the centerline as much as needed See fig 2 VERTICAL ORIENTATION The EDM 960 to be mounted within 10 from the horizontal centerline of the Primary Flight Instrument T The installer should insure that the EDM 960 display is not obstructed by either the glare shield or the control wheel The installing A P and IA should decide that where the installation is to oc...

Страница 8: ...DM removed from the aircraft position it on a flat surface with the rear of the instrument facing you as shown below You do not have to remove any cables if you have sufficient service loop available Follow the appropriate instructions below Open the small access door on the side of the EDM 930 960 Display using the appropriate tool KEY CARD UP Hold the Key Card so that the UP arrow is facing up a...

Страница 9: ...l for the EDM 960 system Report No 909 Primary Engine Data Management System Page 9 of 45 Rev C Date 12 12 12 9 1 EDM 960 in aircraft with wing mounted engines Figure 1 Cockpit Display unit Back of Display unit RAD Left Right engine ...

Страница 10: ... Report No 909 Primary Engine Data Management System Page 10 of 45 Rev C Date 12 12 12 9 2 EDM 960 in aircraft with centerline thrust engines FRONT REAR engine RAD s must be oriented top to bottom as shown below FRONT REAR EDM 960 centerline thrust display ...

Страница 11: ...e firewall using fireproof rubber grommets and flame retarding silicone Use an existing hole if possible All wires must be routed away from high temperature areas exhaust stacks turbochargers etc Secure probe and sensor leads to a convenient location on the engine approximately 8 to 12 inches from the probe or sensor being sure there is sufficient slack to absorb engine torque It is essential in r...

Страница 12: ...nough slack in the wiring so that probe may be interchanged to an adjacent cylinder if necessary for trouble shooting and servicing Thermocouple wire length is not critical and should be trimmed to any length as required for a clean installation The Temperature probe must be wired with the correct polarity The temperature probe connects to its temperature indicator with yellow jacket Teflon Chrome...

Страница 13: ...r bends in the exhaust system then position the probes a uniform distance from the flange as space permits Do not mount probes in slip joints Be certain to locate all holes BEFORE drilling to ensure that nothing interferes with the probe clamp screw or wire Careful matching of probe position will provide best temperature readings Insert the probe in the exhaust or previously drilled hole so that t...

Страница 14: ...rk plug gasket probe P N M 113 replaces the standard copper spark plug gasket on one spark plug The probe is usually placed on the Rear plugs 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 Connect the OAT probe to the LEFT ENGINE DAU J1 connector harness 790200 labeled OAT All wiring must be type K the...

Страница 15: ...tures proper location for oil temperature Check for oil leaks before first flight 20 Oil Pressure Sensor Installation Use the J3 connector harness 790422 labeled OIL P Oil pressure sensor mount using an aluminum clamp MS21919 Mount to firewall Mount the pressure sensor to the pressure line using a flexible hose and fittings not supplied as depicted in the drawing below Use aluminum clamp to mount ...

Страница 16: ... Date 12 12 12 22 Ammeter Shunt Installation Use the J5 connector harness 790723 labeled AMP and AMP Connect the harness leads using ring terminals to the smaller terminal screws on the side of the shunt The information will be displayed as Amp 1 and Amp 2 on the display Typical charging circuit for a Cessna 310 reference only ...

Страница 17: ...ng every foot The EDM is approved to work with the following Shadin equivalent PN FloScan PN Shadin equivalent PN 201 A 201 B 680501 680600 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 never use alum...

Страница 18: ...pleted you will perform a fuel level calibration The EDM 960 stores this calibration internally NOTE The fuel quantity function will not be available until this calibration has been performed successfully Note All Twin Aircraft are considered resistive even thought the sensor it self is capacitance The Gull or Pennycap system converts the frequency to resistive values 24 1 Resistive Output Type Se...

Страница 19: ... to a DC voltage output signal for the aircrafts fuel level gauge In some cases the Pennycap convertor box alternately monitors two tanks per wing controlled by cockpit selector switch positions This is typical for Cessna twins having 4 selectable tanks The EDM can interface to this system with the addition of the dashed interface hardware PN 790810 shown below NOTE This drawing is accurate for mo...

Страница 20: ...The EDM interfaces to various fuel level sensor types to facilitate direct reading of the fuel level in the aircraft fuel tanks The EDM has a multi point fuel calibration table that you must enter This table contains calibration values stored in non volatile memory used to translate sensor readings into the displayed fuel quantity values The calibration information is collected and recorded on pap...

Страница 21: ...n 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 volume for a particular point Allow this to settle then take a reading and record it on paper adjacent to that point 4 Repeat this process until all points have been recorded for each tank Actual Screen Shot 24 3 2 After you h...

Страница 22: ...FAA Approved Installation Manual for the EDM 960 system Report No 909 Primary Engine Data Management System Page 22 of 45 Rev C Date 12 12 12 2 Tap YES when you see Do you have table data ...

Страница 23: ...e 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 calibration points So 5 points for Main and 2 points for Aux...

Страница 24: ...the cell you want to edit Tap EDIT to change 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 proces...

Страница 25: ...Manifold Pressure MAP Sensor 26 1 Manifold Pressure Calibration The manifold pressure should be calibrated or checked to the ambient air pressure Enter the current ambient barometric pressure The engine must not be running This setting is not the same as the altimeter setting that you receive from ATIS or Unicom It will vary with field elevation ...

Страница 26: ... 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 munted ...

Страница 27: ...O 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 During start up the EDM may reset typical on 14 vdc systems This is ...

Страница 28: ...ine prestart procedures see Aircraft Pilot Operating Handbook Verify that the EDM 960 is operating normally 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 960 system it must be corrected by shielding and or rerouti...

Страница 29: ... 2 2 2 Fuel Flow transducer PN 700900 1 2 2 2 2 2 Fuel Level sender option 2 2 2 2 2 MAP KIT 14400 PN 159934A 2 2 2 2 2 RPM one of P N 420815 1 or 2 2 2 2 2 2 RAD P N 790749 2 2 2 2 2 30 1 Component Parts List for EGT KIT 12800 TIT KIT 12000 Probe 1 Thermocouple type K probe PN M 111 1 Stainless Steel Clamp Thimble 1 Stainless Steel Exhaust Seal Washer 1 Stainless Steel Screw Type Clamp 2 Ring Ter...

Страница 30: ...N 159961 Clamp Loop Cushioned 1 P N 174402 Connector Pack 3 Pin and Terminals 30 9 Component Parts list for Fuel Pressure Sensor KIT 14500 only if required by POH 1 P N 159935A Fuel pressure sensor 1 P N 159961 Clamp Loop Cushioned 1 P N 174402 Connector Pack 3 Pin and Terminals 30 10 Component Parts list for ampere shunt 1 P N 159920 100 amp shunt 2 Ring Terminals 30 11 Component Parts list for F...

Страница 31: ...ance Data DAU PN 790000 B EDM 950 1 8 Lbs Indicator PN 790000 C 120 EDM 930 incl 2 RADs 2 0 Lbs EGT TIT CDT IAT OAT probe 2 0 oz each 0 125 lbs CHT Oil Temperature probe 1 5 oz each 0 094 lbs 4 6 Cylinder Harness 8 ft 14 0 oz each 0 88 lbs RPM and MAP 5 0 oz 0 42 lbs Fuel Pressure Sender 5 0 oz 0 42 lbs Oil Pressure Sender 5 0 oz 0 42 lbs Harness each 1 0 Lbs ...

Страница 32: ... 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 ICY Y Yes sets the digital display to one degree resolution N No sets 10 10 resolution is easier to interpret the Get s HIP I25 70 HP HIP I25 HP di...

Страница 33: ... buttons Step OK and Change buttons display until you see ADJUST followed by MAP 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 gage 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 pres...

Страница 34: ...ducer 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 You must use the following procedure to fine tune the K factor 1 Make at least three flights of about two to three hours each Note the actual fuel used as determined by topping th...

Страница 35: ...of the number indicates reverse polarity on the red yellow wire to probe 4 Using an ohmmeter or continuity checker measure across the probe output leads A good probe should be around 2 ohms and at the connector to the probe around 20 ohms 5 Erroneous or erratic readings on one cylinder reading Swap the suspected probe with a probe from a good cylinder If the problem goes to the good cylinder the p...

Страница 36: ...ement System Page 36 of 45 Rev C Date 12 12 12 34 Connector Pin Assignments EDM 950 J1 through J5 Top View of EDM 950 DAU Showing Connector Locations J3 J2 J1 J5 J4 Options EGT CHT FP FQ Amps FF RPM MAP OP 6 1 9 5 9 1 15 8 female connector 9 1 15 8 14 1 25 13 14 1 25 13 RS232 Power 1 8 Fac dip sw ...

Страница 37: ...er installations yel 3 red 4 Aircraft engine ground lead OIL temperature sensor TIT 1 sensor Carb temperature sensor yel 5 red 6 yel 22 red 23 yel 20 red 21 yel 18 red 19 gray 12 Remote temperature voltage alarm light option red 13 black 25 CHT 7 yel 7 red 8 yel 9 red 10 CHT 8 CHT 9 yel 14 red 15 OAT EGT 7 EGT 9 EGT 8 yel 16 red 17 wht 24 wht 11 DATA IN DATA OUT No connection ...

Страница 38: ...FAA Approved Installation Manual for the EDM 960 system Report No 909 Primary Engine Data Management System Page 38 of 45 Rev C Date 12 12 12 ...

Страница 39: ...FAA Approved Installation Manual for the EDM 960 system Report No 909 Primary Engine Data Management System Page 39 of 45 Rev C Date 12 12 12 35 J3 Oil P MAP RPM PN 790422 ...

Страница 40: ... Data in from 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 41: ...8 White 7 Black 3 Blk 13 white Aux Pwr IN optional 12 Red Sig 1 Sig 2 5vdc White sig 2 White Sig 1 Gnd Blk x2 Ground at Sender PN 790802 MAIN Sig 3 Sig 4 White sig 2 White Sig 1 Gnd Blk x2 Ground at Sender PN 790802 Aux tank fuel sender AUX Tanks 5 vdc Signal Sig 1 Sig 2 Sig 3 Sig 4 SINGLE L MAIN R MAIN L AUX R AUX TWIN L MAIN R MAIN L AUX R AUX NC NC NC NC FUEL TANK CONFIGURATION PN 790723 Fuel P...

Страница 42: ...FAA Approved Installation Manual for the EDM 960 system Report No 909 Primary Engine Data Management System Page 42 of 45 Rev C Date 12 12 12 36 P8 Harness Display PN 790807 ...

Страница 43: ...FAA Approved Installation Manual for the EDM 960 system Report No 909 Primary Engine Data Management System Page 43 of 45 Rev C Date 12 12 12 Overall Installation Wiring Diagram ...

Страница 44: ...FAA Approved Installation Manual for the EDM 960 system Report No 909 Primary Engine Data Management System Page 44 of 45 Rev C Date 12 12 12 ...

Страница 45: ...hiness ICA There are no field adjustments and or calibration requirements for the EDM 960 950 930 instrument after initial installation ICA is not required Maintenance of nonfunctioning or malfunctioning components is limited to removal and replacement of JPI factory supplied new or repaired components as described in the troubleshooting section of the installation instructions ...

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