1. Manuals
  2. Brands
  3. Jets Munt Manuals
  4. Engine
  5. Merlin 90K
  6. Instruction manual

Jets Munt Merlin 90K Instruction Manual

Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual
Merlin 90K
Instruction Manual
Vers i o n 1.0/2009

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the Merlin 90K and is the answer not in the manual?

Questions and answers

Related Manuals for Jets Munt Merlin 90K

Summary of Contents for Jets Munt Merlin 90K

  • Page 1 Merlin 90K Instruction Manual Vers i o n 1.0/2009...
  • Page 2 Index Welcome! Legal and Disclaimer Disclaimer Warranty Jets Munt Representatives Safety Notes Merlin 90 Mk2 Specifications Engine Description Installation Notes Electronic Control Unit (ECU) ECU Data Terminal Engine installation: Electrical connections Temperature Probe (thermocouple) RPM Sensor Power cord Engine installation: Start Gas system...

  • Page 3: Legal And Disclaimer

    Plea se Read! The Jets Munt SL responsibility is limited exclusively to the repair of the engine and acce s s o rie s which are outlined in the conditions of warranty. Before unpac king the engine pleas e read the manual and agree to the conditions of warranty.

  • Page 4: Warranty

    This warranty is void if any one or more of the following conditions applies. In such a case Jets Munt will accept no responsibility for any damage or any other consequence caused by the Merlin 90 operation.

  • Page 5: Safety Notes

    Please remember the engine is not a toy and has the potential to cause bodily harm to you and others if misused. The Merlin 90K is a sophisticated piece of machinery and should be treated with a high level of safety when it is in operation.

  • Page 6: Engine Description

    Engine Des cription The engine is a turbojet of a single shaft design specifically designed to power RC aircraft. The engine starts automatically thanks to an installed electric starter situated in the front. The starting sequence is controlled by an electronic unit that initiates the starting sequence and controls the parameters of the engine within the design limits.

  • Page 7: Electronic Control Unit (Ecu)

    Electronic Control Unit (ECU) The Fadec ECU supplied with the engine is custom designed for the Merlin90K engine and must not be changed for any other, as this may result in improper control of the engine. Your engine has been set up and run with this ECU at the factory and the settings should be left as default.

  • Page 8: Engine Installation: Fuel System

    Engine installation: Fuel system Install the fuel system components as seen in the picture. Start/Gas valve The starting fuel valve is of gold color and must be connected to the “Gas valve” ecu socket in any orientation, polarity will always be correct. Respect the direction of flow as marked in the valve body.
  • Page 9 ECU (Engine Control Unit) Set Up The ECU supplied is a special software version of the FADEC Autostart made by Xicoy Electronica SL. It is a reliable unit and is supplied programmed for the Merlin 90. The engine has already been set up and tested using the ECU and pump supplied so there is very little to adjust in order to get the engine running.
  • Page 10 There are many more parameters that can be modified in the ECU, but we have specifically programmed your Merlin 90 ecu with the optimum settings, further adjustment should not be required and can only be carried out by Jets Munt SL or your authorized dealer.

  • Page 11: Preparing The Engine For Running

    Preparing the engine for running Always test the engine in a test bench before installing it into the plane, this will confirm that all system work as they should, and you will be able to learn its operation and the emergency procedures. A suitable platform/table/workbench is now required to clamp the test stand onto.

  • Page 12: Priming The Fuel System

    Priming the fuel system Both main fuel and starting fuel lines need purging of all air after initial installation. Take extra care when priming the lines, ensure that NO fuel is pumped inside the engine. To do so, disconnect the fuel lines from the engine wile priming.
  • Page 13 WHAT TO DO IN THE CA S E OF AN EM E R G E N C Y During the start sequence the Ecu will be in charge of everything, controlling temperature and RPM. The only thing the user can do, is to abort the sequence by lowering the trim in the case that something abnormal (excessive flames in the exhaust, etc).

  • Page 14: Other Useful Information And Installation Tips

    Diagno s e s During engine operation the Ecu measures and stores all the engine operating parameters recorded during the last the 51 minutes of operation. These measures can be downloaded later to a PC to study the behaviour of the engine in flight and to diagnose any possible problems.

  • Page 15: Fuel And Oil

    Feed Pipes All the pipes must be Polyurethane or nylon as provided by Jets Munt or Tygon (like the ones used by gasoline engines). Do not use Tygon on the pressure side of the fuel pump.

  • Page 16: Battery Charging And Care

    Battery charging and care: The engine come with a LiPo (2 cell) batteries. You can use any type and capacity of battery, but only of 7,2 - 7,4V nominal voltage, minimum recommended capacity is 2000mAh 20C type. Never use a 3s (11,1V) battery. Special care should be taken with LiPo technology and they should be charged with a LiPo charger, using a regular NiCad charger could cause the battery exploding or taking fire.
  • Page 17 Merlin 90 Trouble Shooting PRO B L E M S SOL U T I O N S There is no reading on the screen Disconnected receiver or the ecu/receiver batteries are empty The display is badly connected Problem in the ecu or display The kerosene does not ignite The Battery is weak.
  • Page 18 Jets Munt SL Torr ent d’en Puig, 31 08358 Aren y s de M u n t Barcel o na (Spain) Tel/Fax: +34 93 79501 1 3 w w w . j ets- munt.co m inf o @ j e t s- munt.c o m ©...

Table of Contents