USER GUIDE
Contents
1. Dear customer Congratulations on your choice of one of the world s finest electronic speed controllers for model aircraft Your Stratos series controller incorporates the latest digital technology in order to achieve the best possible performance and reliability The following characteristics are described in detail later they give your controller crucial advantages over other units Order No 4000 Hz pulse frequency e 4000 Hz pulse frequency almost 100 efficiency even in the part load range 8526 53 A continuous current e Real Time Intelligent motor management system direct super fine speed control characteristics Order No e Multi Protection protective functions 4000 Hz pulse frequency 8537 5gAr7g e Safety landing warning system Order No 4000 Hz pulse frequency 85 1 D 38 A continuous current 58 A continuous current 8619 BW Zag 4000 Hz pulse frequency 80 A continuous current SPECIFICATION U S E R G U D E 38A 6 12BEC 53A 6 12 BEC 58A 7 18 OPTO 80A 7 18 OPTO Voltage range 7 2 15V Voltage range 8 4 21 6 V 8 4 21 6 V Efficiency at full load 99 5 Efficiency at full load 99 5 99 5 Efficiency at part load 96 99 Efficiency at part load 96 99 96 99 Max load brief 140A Max load brief 160A 200A Continuous load 53A Continuous load 58A 80 A ZLZCTrONIC Weight incl leads 279 Weight incl leads 33g 37g Pulse frequency 4000 Hz Pulse frequency 4000 Hz 4000 Hz Wilhelm Enssle Str 132 134 D 73630 Remshal2. ble sided foam tape supplied Yellow positive M motor Red positive B battery Provide adequate cooling air openings in the fuselage this increases the performance and longevity 3 core ribbon cable receiver cable of all electronic components Blue negative M motor a i q O R SSIS Mount the controller in a well protected location in the model in case of a crash The speed controller should be installed in such a way that the connectors and set up button are easily accessible Black negative B battery 38A 6 12 BEC and 53A 6 12 BEC only Optional solder switch for receiver power supply Graupner MPX Uni Futaba Hitec and Simprop receivers The LRP speed controller is fitted with a LRP Multi Con receiver cable as standard and can therefore be connected to all the above receivers directly Sanwa receivers Remove the black plastic housing from the receiver cable and replace it with the plastic housing marked AIR as follows Keep a generous distance approx 3 cm between the controller power cables and receiver or aerial Avoid direct contact between all power components and the receiver or aerial otherwise you may suffer interference The aerial should be deployed directly away from the receiver Do not allow it to touch carbon fibre or metal parts Locate the receiver and its aerial as far away as possible from the motor battery controller and cables carrying heavy currents This is the basic reas
3. den Germany an EMF Brake EMF EMF Protective functions yes Protective functions yes yes Tel int 49 71 81 40 98 0 Fax int 49 71 81 40 98 30 Senn EEE Szin mm D Uexdix7 Receiver power supply 5 0 V highly stabilised http Awww Iirp electronic de Receiver current 5A A WARNING NOTES Important never leave your RC model unsupervised with the battery connected If a fault should occur the model could go up in flames or cause damage to other Never wrap your controller in foil or film it is essential to allow cooling air to flow property close to the model freely over the case The controller and other electronic components must never be allowed to contact All cables and connections should be thoroughly insulated water Don t use the controller when it is raining If a motor is connected to the speed controller do not run the motor by connecting a separate battery to the terminals This will wreck the controller and invalidate the guarantee Never alter the polarity of the receiver plug Locate the receiver as far away as possible from the motor battery speed controller and cables carrying heavy currents Such items are powerful potential sources of interference Avoid incorrect connections and reverse polarity which could damage the controller Always use a reliable polarised connector system such as the LRP Hi Amp plug Order No 6280 INSTALLATION TIPS CONNECTIONS Mount the speed controller in the model using the dou
4. e shipping tampering misuse like any soldering inside the unit poor installation replacing of wires on the board connection to electrical components not mentioned in the instructions mechanical damage immersion of water and cutting off the original wires plugs connectors and switches control over the installation or use of this product in no case shall our liability exceed the original cost of this unit We can t accept any liability for any damage resulting from using this product By the act of installing or operation this speed control the user accepts all resulting liability When set up mode is selected your Stratos series speed controller will store each step in the programming In case of problems first check the trouble shooting guide or contact your hobby shop or LRP importer In Warranty can only be accepted if it is claimed by the customer on the warranty sheet and the control sheet For quick repair and return we definitely need your address detailed description of the malfunction and the LRP guarantees this speed control to be free from defects in materials or workmanship for 90 days from the Our warranty liability shall be limited to repairing the unit to our original specifications Because we have no LANDING WARNING SYSTEM Stratos model aircraft speed controllers are equipped with the unique LRP safety landing warning system This feature reminds you of the need to land your model before the flight pack i
5. gularl Transmitter or auto program has been Repeat basic controller set up procedure changed WHAT SHALL I DO e Send parcel to your national distributor e Distributor repairs replaces the Speed Control e Shipment back to you usually by COD cash on delivery but is suject to your distributers general policy
6. ing twice and the programming procedure is then complete If you ever wish to alter the motor and brake settings simply repeat the set up procedure from the start Don t worry if you make a mistake during the set up procedure just disconnect the battery for about 10 seconds then start the process again from the beginning e At the end of every flight disconnect the flight battery from the controller first and only then switch off the transmitter Before the next flight switch the transmitter on first then connect the flight battery REPAIR PROCEDURES WARRANTY case of damage repair fees are normally far below the recommended retail price of a new unit Hobby shops are not authorized to replace speed controls thought to be defective and the original sales receipt are included original sales receipt Repair may be refused without sales receipt To guarantee a proper repair cut off or worn receiver plugs wires and switches will be replaced and charged in any case Any speed control treated severely with silicone or anything similar inside might not be repairable Speed controls sent in for repair that operate perfect normally will be charged with a service fee Therefor first check with the trouble shooting guide original date of purchase verified by sales receipt This warranty doesn t cover suitability for specific operation incorrect installation components worn by use application of reverse or improper voltag
7. ld it pressed in for at least 3 seconds e Your Stratos now beeps once to confirm that it is ready to be programmed Hold the transmitter stick at the full throttle position and press the set up button once to program the full throttle position The Stratos beeps once to confirm the full throttle point Hold the transmitter stick at the motor off brake position and press the set up button once to pro gram the motor off position The Stratos beeps once to confirm the motor off point The default setting for the start brake feature is Power Start Power Brake and if you wait 5 seconds after storing the motor off point without confirming the setting with the push button the controller automatically stores the default setting However if you press the button again within this 5 second period you can select and store any of four programmed points see table Each successive button press then takes you into the next program of motor start and brake settings The colour of the LED changes to indicate your selection Function Press 1x LED glows red only Soft start Power brake Press 2x LED glows green only gt Power start Soft brake Press 3x LED off completely gt Soft start Soft brake Press 4x LED glows green and red gt Power start Power brake If you wait longer than 5 seconds without pressing the button the speed controller stores the setting indicated by the colour of the LED The Stratos confirms the settings by beep
8. lty Transmitter faul Controller damp protective circuit tripped Switch off immedictely allow controller to dry out Receiver power supply faul Check BEC output voltage or send to us for repair Motor rotates in Motor connected incorrectly Check motor connections is red or yellow reverse when throttle is opened Weak motor magnetic field Controller defective no brake function Transmitter has been re adjusted after initial controller set up Controller overheats Insufficient cooling Cut cooling slots in fuselage or switches off prematurely Motor too powerful input voltage too high Install less powerful motor or use fewer cells lower voltage pack Propeller too large Fit smaller propeller Motor never stops Damp in controller Disconnect battery immediately dry with heat gun and try again after two days continues to run slowly Throttle trim on transmitter forward Controller defective Interference Motor inadequately suppressed Receiver or aerial too close to power cables See Installation motor battery or controller Receiver aerial a too long or too short Receiver faulty too sensitive Replace components one by one Transmitter faulty Use original crystals only Transmitter output power too low Servo problem Poor battery connection Transmitter battery flat Controller connected incorrectly Transmitter aerial too short Extend transmitter aerial fully Transmitter battery flat Check transmitter battery re
9. on wherever a heavy current flows an interference field is generated which can cause direct interference to the receiver Replacing the plastic connector components Gently press in the metal lug of one plug pin using a ball point pen to the point where the wire can be withdrawn from the plastic housing Check the polarity in the table below and slide the pins into Do not use chokes to suppress the motor as the high pulse frequency of Stratos controllers can the new plastic housing until they snap into place excite the chokes to produce interference Normal suppression measures using capacitors are more than adequate with Stratos controllers Bend the metal lug up again then press the plug into the plastic housing you intend to use Note the correct polarity when replacing the connector Receiver Futaba Graupner Multiplex Simprop Signal wire white orange yellow orane gt Positive wire red red red red Negative wire black brown black brown INSTALLATION Solder the suppressor capacitors to the motor Remove the propeller SUPPRESSING THE MOTOR Mount the speed controller in the model e Connect the controller to the receiver e Connect the controller to the motor the yellow wire is positive the blue wire negative e Check all connections carefully before you connect the controller to a battery Caution incorrect connections will ruin your controller Speed mot
10. or l e The speed controller is now ready to be set up see next page Do not use Up Ne chokes SET UP PROCEDURE procedure when you press the set up button All settings are stored permanently i e even when the controller is no longer connected to a battery Start by setting up the transmitter TRANSMITTER SETTINGS Set your transmitter to the following basic functions if these functions are present Throttle channel Graupner 1 Futaba 3 MPX selectable ATV Travel adjustment 100 Exp Expo Exponential 0 Sub trim Neutral position 0 Trim memory 0 Servo rotation normal gt Throttle forward motor off stick back full throttle stick forward Servo direction reverse gt Throttle back motor off stick forward full throttle stick back Set your trim slider to neutral centre If your transmitter does not include these adjustment functions it is already set up correctly Ensure that the speed controller is switched off and is not connected to the flight battery e Remove the propeller e Switch the transmitter on The transmitter throttle stick must be set to motor off Connect the speed controller to the battery The unit beeps twice to confirm that it is ready to use All controllers are pre programmed at the factory and could safely be used without further adjustment To optimise the settings locate the set up button on the back of the speed controller and ho
11. s completely flat It does this by sending three short pulses of power to the motor When you see or hear this warning you have sufficient motor run time to fly a circuit and land your valuable model safely the actual time available varies according to motor and battery If your battery is then discharged further with the model still in flight the low voltage detection circuit switches the motor off in order to maintain sufficient voltage to ensure that the speed controller and receiver servos continue to operate with 100 reliability However if it becomes really necessary to switch the motor on in order to a second time in order to bring your model back to the flying site you can over ride the controller two times Just move the throttle stick back to the motor off position then advance it to open up the motor again If you have an extremely powerful motor current drain greater than 40A we recommend that you switch off the low voltage warning system Procedure for switching the landing warning system off and on CT Hold the set up button pressed in while you connect the flight battery 2 The landing warning system is now switched off even if you disconnect the battery and plug in a different flight pack the programmed setting is stored permanently 3 To switch the landing warning system on again repeat point 1 4 The number of beeps when you connect the battery BEC controller or switch on the receiver opto controller indicate
12. s the programmed state of the controller e Landing warning system on default setting 2 audible beeps e Landing warning system off 4 audible beeps MULTI PROTECTION SYSTEM PROTECTIVE FUNCTIONS This unique set of software monitor functions provides highly effective protection to all Stratos series speed controllers against short circuit motor overloading and overheating If your Stratos speed controller is subjected to any of these forms of overloading the power system is switched off or the setting reduced in order to protect the motor circuit at the same time the model s control functions are retained in full lf one of the protective functions is triggered the LED informs you what has happened in the following way Short circuit motor off LED flashes red Overload no indicator motor not switched off current is reduced controller remains fully operable Overheating motor off LED flashes red green simultaneously TROUBLE SHOOTING GUIDE Symptom Servo works Setup hasic settings problem Repeat basic controller set up follow instructions step by step no throttle function Check also that all transmitter functions are set up as per instructions check polarity of receiver cable Motor defective Motor brushes jammed Overload protection triggered Wiring problem Controller defective No servo function Receiver connection incorrect no motor function Crystal faulty Replace each component one by one Receiver fau
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