Engine Data Terminal
Contents
1. SET Button Engine Data Terminal THR 75 READY CYCLE 25 Communication Port The Engine Data Terminal EDT is powered through the ECU and connects to the ECU through a 6 pin coiled modular phone cable The EDT is used during Setup and to read engine performance parameters The SET Button mirrors the SET button on the ECU and is used during user setup and to access special modes during operation L It is not necessary to have the EDT hooked up to the ECU for normal running the ECU may be started and run without an EDT AMT USA LLC 4 513 769 4539 611 Shepherd Lane Suite 18 www usamt com Fax 513 769 4836 Cincinnati OH 45215 ECU ENGINE DIGITAL TURBINE ENGINE CONTROLLER IGN Gas RPM o Q EGT CONTROL Connectors The CONTROL socket connects to e EDT via a 6 pin Modular phone socket e Receiver via a JR style Male servo connector Black The FUEL SYS socket connects to Fuel Pump via AMT 2 pin Power Plug e Fuel Solenoid via JR style Female connector Red Starting Gas Solenoid via JR style Female connector Black The BATT connects to Battery via AMT 2 pin Power Socket The ENGINE socket connects to Starter via AMT 2 pin Power Plug e Glowplug via AMT 2 pin Power Plug RPM sensor via JR style Female connector Yellow The SET Button mirrors the SET button on the EDT and is used during user setup and to access special modes during operation I2. 17 September 2007 Rev 00 02 DC OCDODOLDO AMT Turbine Digital Engine Control User Manual cLowPLuc 8 i Hipa STARTER 7 H qm E THERMOCOUPLE 10 OPTIONAL STARTING AIR PROPANE IN 25 30 PSI 4 GAS SOLENOID LE FUEL SOLENOID 3 5 H FUEL PUMP m n v mir FROM FUEL TANK wm 4 ENGINE CONTROL UNIT AMT TURBINE P CONNECTION SCHEMATIC REV 0 02 SEP 15 2007 Features Advanced high speed Flash Microcontroller running at 32MHz Built to exacting professional standards Fully optically isolated from the Rx to minimize RF interference Easy super user friendly operation with built in fault tolerance Simple one button programming Fully automatic start sequencing for easy surefire starting first time every time Full time digital feedback control self compensating for battery voltage and fuel system fluctuations Built in expansion capability for future enhancements as technology advances Easy to read and interpret Display Unit with no confusing menus Design Philosophy No Hassles with the engine just and fly Inputs and Outputs All connections are grouped into three heavy duty connectors so that the cables may be left together with the aircraft when transferring the engine and electronics from one aircraft to another All mating plugs and sockets are either color coded or polarized and can only fit one way to avoid mistakes CO
3. speed control for the starter motor Be aware that the starter motor draws a lot of current don t deplete the battery unnecessarily Use this function judiciously to clear any excess Propane or Fuel out of the engine Return the Throttle Trim to center and the stick to Low i e the Idle position The ECU returns to the Ready State Check the throttle stick travel if necessary You may skip this step Move the throttle stick quickly from low to high and back again without pausing Confirm that the THR number cycles from 0 through 100 and back again You are now ready to start AMT USA LLC 13 513 769 4539 611 Shepherd Lane Suite 18 www usamt com Fax 513 769 4836 Cincinnati OH 45215 If at any time you need to abort simply move the Throttle Trim to the Shutdown position Make sure the Throttle is at Idle Make sure the Propane source and the Fuel valve are ON Move the Throttle Stick to the Max Position Engine Data Terminal ECU Max RPM set to IGN 5cas 115k RPM 9 The RPM LED glows steady and the IGN GAS and EGT light up in sequence one by one at 1 second intervals The EDT shows the Max RPM you programmed into the ECU during SETup After 4 seconds all the LEDs flash in unison indicating the ECU is ready to initiate an Autostart Engine Data Terminal THR 100 THR gt LO RPM Ok EGT 25 Move the Throttle to Idle to trigger the Autostart then simpl
4. this step if the fuel lines are already primed from a previous run Move the Throttle stick to Shutdown the EDT shows THR OFF AMT USA LLC 12 513 769 4539 611 Shepherd Lane Suite 18 wWww usamt com Fax 513 769 4836 Cincinnati OH 45215 Push the SET button and hold down as necessary to fill the fuel line to the engine We recommend for a first ever start disconnecting the fuel line from the engine and catching the fuel prime into an overflow bottle to prevent flooding the engine For safety once you let off on the SET button it is locked out You ll have to move the Throttle stick up a bit then back to Shutdown to re arm the SET button for another manual fuel prime Check the Propane pressure under actual delivery if necessary You may skip this step if the Propane Regulator has been previously set up Move the Throttle stick to Idle the EDT shows THR 0 Push the SET button and hold down as necessary to open the Gas valve and flow Propane into the engine 0 Observe the Propane Regulator Pressure auge adjust if necessary CAUTION Do not over do this you may be filling your airplane with explosive Propane Manually spool up the engine with the starter if necessary You may skip this step Move the Throttle TRIM to High with the stick at Low push the SET button for approx 1 second Engine Data Terminal ECU THR 13 PRI ME GN 3k J EGAS The Throttle Stick acts as a manual
5. Engine Data Terminal AMI USA AT280 ECU vO 02 and then AMT USA LLC 11 513 769 4539 611 Shepherd Lane Suite 18 www usamt com Fax 513 769 4836 Cincinnati OH 45215 Engine Data Terminal ECU Spool ing Dow IGN Gas until the engine stops rotating then Engine Data Terminal ECU Battery Test LON Q GAS 12 15V 5 ect The IGN GAS or RPM EGT LEDs flash alternately indicating the ECU is testing the battery under load The load used is the glowplug run at approx 50 of the value set during SETup You may notice a slight buzzing as the glowplug is powered If your engine has some residual fumes inside the combustor the battery test may cause the fumes to Do not panic just be aware that a slight may happen in the engine during battery test If the battery tests out at greater than 11 95V after 3 seconds there is enough charge and the ECU proceeds with the next step Engine Data Terminal ECU THR 0 READY on 3 EGAS Cycle 14 12 25V RPM EGT IGN and GAS LEDs flash indicating ECU is ready for Ignition and Propane 1 Start 1 THR shows the Throttle Stick position in percent 0 100 or OFF for ShutDown 2 READY indicates the ECU is in the Ready State ready for startup 3 Cycle shows the recorded number of Run cycles 4 The Battery voltage is shown in Volts Prime the pump if necessary You may skip
6. GN Red LED The IGN LED normally indicate conditions related to the ignition glowplug In normal running operation it glows steady when the glowplug is ON and blinks if there is a fault in the glow plug circuit AMT USA LLC 5 513 769 4539 611 Shepherd Lane Suite 18 www usamt com Fax 513 769 4836 Cincinnati OH 45215 GAS Yellow LED The GAS LED normally indicates conditions related to starting gas flow In normal running operation it glows when starting gas is flowing 1 the starting gas solenoid is open RPM Green LED The RPM LED normally indicates conditions related to engine RPM In normal running operation it glows steady if the RPM is within operating limits and blinks when there are faults related to RPM EGT Green LED The EGT LED normally indicated conditions related to engine Exhaust Gas Temperature EGT In normal running operation it glows steady when the EGT is within operating limits and blinks when there are faults related to EGT The LEDs are also used in combinations at various engine states to annunciate other conditions for instance during boot up shutdown and during the setup procedure These conditions will be detailed in the appropriate sections below AMT USA LLC 6 513 769 4539 611 Shepherd Lane Suite 18 www usamt com Fax 513 769 4836 Cincinnati OH 45215 Quick Start This section gets you up and running without getting into too many details of what and why s so you ca
7. NTROL Group 1 Serial Cable from Off board LCD Display 2 Servo plug to Rx Plugs into throttle channel Rx voltage 4 8V 6V Pulsewidth 1000us 2000us gt 1800us Full throttle lt 1300us Minimum throttle lt 1050us Fuel Shutoff Programmable using SET button see Setup below Compatible with Futaba J and JR Adapters available for other radio brands FUEL SYS Group 3 Output to Propane Solenoid Starting propane flow controlled by ECU 4 Output to Fuel Solenoid Fuel flow controlled by ECU 5 Output to Fuel Pump Fuel delivery rate regulated by ECU BATTERY 6 Battery ENGINE Group 7 Output to Electric Starter 8 Output to Glowplug Glowplug Ignition controlled by ECU 9 RPM Sensor input Plugs into the RPM sensor mounted on the engine 10 Socket to EGT Thermocouple AMT USA LLC 2 513 769 4539 611 Shepherd Lane Suite 18 wWww usamt com Fax 513 769 4836 Cincinnati OH 45215 4002 51 das 200 YILVNWAHIS NOILIANNOD 3NISH L 3NI9N3 AAD Al Dr LH EIE dWNd 1303 s MNVL 303 WO H3 GION3 1OS GION3IOS 579 15 sz NI 9NLLMVIS 4 01 4 4l 4 4 Lavs TH 513 769 4539 513 769 4836 AMT USA LLC www usamt com 8 Suite 1 Cincinnati 45215 611 Shepherd Lan Engine Data Terminal
8. e source Adjust the delivery pressure between 25 30 psi Adjust the pressure towards the low end of the range at higher density altitudes hot day high humidity high altitude airfield Adjust the pressure towards the high end of the range at low density altitudes cold and or dry days closer to sea level L Make sure there is fuel in the tank and the manual fuel ball valve is turned on AMT USA LLC 10 513 769 4539 611 Shepherd Lane Suite 18 www usamt com Fax 513 769 4836 Cincinnati OH 45215 Starting and Running WARNING The Automatic Engine Start Sequence is triggered by a particular sequence of movements of the throttle stick when the ECU Receiver is on DO NOT MOVE THE THROTTLE STICK CARELESSLY WITH THE ECU ON UNLESS YOU ARE PREPARED TO START THE ENGINE Ij at any time you hear or see something unexpected Shut down the engine immediately and investigate It is better to be safe than sorry The Shutdown command is honored at any time Simply move the Throttle Trim to the Shutdown position During a start sequence please be careful not to move the throttle inadvertently to Shutdown in the middle of the starting sequence or the process will be immediately aborted Do a final safety check Do not forget to ensure clear space beside and behind the engine and that there are no loose items that may be sucked into the engine Switch on the radio ECU The EDT shows for approx 2 seconds
9. eady while the IGN LED flashes Indicating RPM setup Push the SET button Set the Glowplug power to match your glowplug Engine Data Terminal G ow Power 6 85 To Adj THR gt LO RPM The number is percentage duty cycle of battery voltage applied to the glowplug The GAS LED glows steady while the IGN LED flashes Indicating Ignition setup The ECU remembers the previous setting of the glowplug voltage so the display shows the old value programmed into its memory If you are programming this for the first time the factory default of 6 85 is approximately correct for Rossi 8 plugs IMPORTANT If you are installing a new type brand of plug we recommend unplugging the glowplug from the harness and removing the plug from the engine before proceeding To change the power to the glowplug you must first move the throttle stick down to Low Throttle This prevents sudden application of high power and inadvertently blowing out expensive plugs The displayed number should go to zero when the stick goes to low throttle and start following the stick as you move the stick up Connect the new glowplug to the glowplug harness Touch the body of the plug to the engine casing and position the plug so that you can observe the filament brightness BE CAREFUL The plug will get hot AMT USA LLC 9 513 769 4539 611 Shepherd Lane Suite 18 www usamt com Fax 513 769 4836 Cincinnati OH 45215 Carefully and slowl
10. ers the Learn Mode Teach the ECU your Full Throttle setting Engine Data Terminal Set THR 1800 Move the throttle stick to High Throttle High Trim Make sure the number displayed in greater than 1800 If not adjust the REV or Endpoint functions on the Tx The IGN and RPM LEDs flash when the throttle is out of range and glow steady when the throttle is within range Push the SET button Teach the ECU your Idle Throttle setting Engine Data Terminal Set LOW THR 1300 Move the throttle stick to Low Throttle Middle Trim Make sure the number displayed is less than 1300 Adjust the Endpoint if necessary The RPM and EGT LEDs flash when the throttle is out of range and glow steady when the throttle is within range Push the SET button Teach the ECU your Engine Shutdown setting Engine Data Terminal ECU Set SHUTDOWN IGN cas 1050 5 ect Move the throttle stick to Low Throttle Low Trim The RPM and EGT LEDs flash when the throttle is out of range and glow steady when the throttle is within range Push the SET button AMT USA LLC 8 513 769 4539 611 Shepherd Lane Suite 18 www usamt com Fax 513 769 4836 Cincinnati OH 45215 Set your desired Maximum RPM to limit the thrust Engine Data Terminal ECU Set Max kRPM IGN O Q Gas 115 Move the throttle stick as required to set the desired maximum running RPM The GAS LED glows st
11. n get the engine up and running quickly Most users will find this is all that s needed to operate the engine A detailed description of the ECU operation is appended at the end of the Quick Start section WARNING The Automatic Engine Start Sequence is triggered by a particular sequence of movements of the throttle stick when the ECU Receiver is on DO NOT MOVE THE THROTTLE STICK CARELESSLY WITH THE ECU ON UNLESS YOU ARE PREPARED TO START THE ENGINE Setup As a first step you ll need to teach the ECU your particular radio s throttle stick settings The ECU stores these settings in non volatile memory The memory will retain these settings for up to 15 years without need for backup battery power You should not need to re teach the ECU unless you change your radio or want to change the thrust output of the engine want to try a different Glowplug Hook up the ECU Battery EDT and Radio Switch on the Transmitter make sure the the throttle channel is set to 100 Travel Endpoint and NORmal direction Q Press and hold the SET button either on the ECU or EDT they are exactly the same we provide two buttons just for convenience Switch on the Receiver which also switches on the ECU The EDT shows Engine Data Terminal AMI USA AT280 ECU vO 02 AMT USA LLC 7 513 769 4539 611 Shepherd Lane Suite 18 www usamt com Fax 513 769 4836 Cincinnati OH 45215 for approx 5 seconds and then ent
12. ne ignition the engine will light on Propane on the way up Shutting Down Simply move the Throttle Trim to the Shutdown position The ECU shuts of the fuel pump and closes the Fuel Solenoid after second to verify that the Shutdown command was intentional Engine Data Terminal SHUT DOVIN RPM 10k 325 Usually the Trim is set to its center position so shutting down is simply a matter of moving the Throttle Stick to Idle and pulling down the Trim Auto Cool down Whenever the ECU is powered up but not running i e the Rx is ON but the engine is inert the ECU evaluates the engine EGT If the EGT is greater than 100 C the Starter will be cycled to pull cooling air thru the engine This is entirely automatic and requires no user intervention If on power up the engine is too hot the ECU shows AMT USA LLC 16 513 769 4539 611 Shepherd Lane Suite 18 www usamt com Fax 513 769 4836 Cincinnati OH 45215 Engine Data Terminal ECU ENG NE HOT 125 IGN Gas Cool Down RPM The number displayed is The ECU cycles the Starter until the EGT is less than 100 C then automatically proceeds with normal boot up as described above Additional Notes The ECU regulates the engine speed in proportion to the throttle stick position from 0 Idle RPM to 100 Max RPM set during the Setup Procedure earlier This is full digital feedback control so the ECU will respond to fuel deli
13. very and battery voltage variations by modulating the fuel to maintain constant RPM as commanded by the throttle stick You may trim the Idle by moving the Trim lever up from the Idle or Throttle Low position The Idle trim is completely proportional The EDT Display is interpreted as follows Engine Data Terminal ECU THR 40 RUN 24 IGN O Gas RPM 66k 525 RPM EGT The THR number is the commanded throttle in percent If the Throttle is set to Shutdown the THR number becomes OFF The RUN number is the fuel delivery output in percent of maximum pump voltage RPM displays RPM in thousands EGT is the EGT in degrees Celsius O AMT USA LLC 17 513 769 4539 611 Shepherd Lane Suite 18 www usamt com Fax 513 769 4836 Cincinnati OH 45215
14. y move the throttle up from Low throttle The numbers should increase as the throttle stick moves up and the plug should glow steadily brighter with larger numbers giving a brighter glow BE CAREFUL The glowplug driver circuit is capable of instantly frying glowplugs Adjust the plug filament brightness for a yellow glow just beyond bright orange HINT To quickly adjust glowplugs there is a shortcut to get to the Glow Power Setup bypassing the Throttle Stick and Max RPM setup provided you have previously taught the ECU your Throttle settings In the Set THR HI phase move the Throttle Stick and Trim to Low Shutdown position then push the SET button The setup program will jump directly to Glow Power Setup To memorize the Glowplug Power push the SET button The ECU Setup is complete and the ECU is now programmed to match your Tx stick position your desired Max RPM and your brand of glowplug Switch off the radio ECU Pre start Prep Remember that a turbojet engine is very powerful and potentially very dangerous Make sure the engine mounting is absolutely secure Observe all safety precautions as prescribed by the applicable governing bodies at your location Make sure you are prepared with adequate fire fighting and first aid equipment Check over the fuel and starting gas plumbing Test thoroughly for leaks and correct as necessary Connect up the Starting Gas Propan
15. y relax and enjoy the ride Propane Ignition Engine Data Terminal ECU THR 0 IGN Q Gas AMT USA LLC 14 513 769 4539 611 Shepherd Lane Suite 18 www usamt com Fax 513 769 4836 Cincinnati OH 45215 2 Start Kerosene Flow Engine Data Terminal ECU THR O START IGN Gas 3 Fuel Ramp Engine Data Terminal ECU THR 0 IGN O Gas 4 Run Autostart Complete Engine Data Terminal ECU Note FOR SAFETY if the Throttle stick is at more than 2 when the automatic start sequence completes the ECU will hold the engine at idle until the throttle is brought to the Idle setting before handing over to pilot s control If the Throttle is apparently unresponsive at the end of the Ramp move it to Idle for a brief moment it will then start responding You are now ready to fly Air Start engines The ECU accommodates an Air Start engine with no modifications necessary Simply follow the same sequence above up to the point when the EDT and ECU show AMT USA LLC 15 513 769 4539 611 Shepherd Lane Suite 18 www usamt com Fax 513 769 4836 Cincinnati OH 45215 Engine Data Terminal THR 100 THR gt LO RPM Ok EGT 25 Move the Throttle to Idle to trigger the Autostart Squeeze the Air trigger handle gently to approx 50 then continue squeezing to 100 when the propane lights and hold until the ECU is in the RUN state It is not necessary to pulse the air and then wait for propa
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