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Warranty

The warranty period for the Merlin 90K is 2 years from the date of purchase, or 25 running hours, whichever
comes first. Warranty is valid solely for the original owner and is non transferable upon resale.
Warranty includes parts and labour and is limited to manufacturing and material defects only.
Damage or defective operation covered under the warranty terms will be repaired and tested at no cost the 
original
owner (other than postage and packaging). Repairs not covered under the terms of warranty will be carried out by
Jets Munt SL, or their appointed agents after agreement of costs.
Before returning the engine or ancillary equipment for service of repair, please contact first to your local dealer or
Jets Munt central office to agree action and costs.

Please  do  not  disas se m ble  this  engine.  You  will  breach  your  warranty  agreement  and  you  will  find  it
is  a  precision  assembly  which  you  will  be  unlikely  to re-assemble  without  considerable  difficulty  and
specialist  equipment.  Simply  slackening  the  spinner  nut  of the  rotor  will  immediately  lose  the  delicate
balance  condition,  without  which  the  engine  may  not  run  without  damage  to its  rotating  assembly.

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.

1. 

The engine is dissassembled.

2. 

The product has been subject to any form of operation whilst containing incorrect fuel, oil, or fuel/oil mix.

3. 

The product is crash damaged

4. 

Unauthorised maintenance or modifications have been made to any part of the product

5. 

Parts have been damaged by ingestion of foreign objects (e.g. wires, sand, water etc).

6. 

The engine has been operated incorrectly.

7. 

The product has been misused, neglected or inadequately maintained.

8. 

Damage to the engine where blockages in the fuel system have occurred by unfiltered or contaminated fuel.

Jets  Munt  Representatives

Check the current dealer list on our web page, www.jets-munt.com

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Summary of Contents for Merlin 90K

Page 1: ...Merlin 90K Instruction Manual Version 1 0 2009...

Page 2: ...as system Gas Valve Engine installation Fuel system Fuel valve Fuel lter 11 13 ECU Engine Control Unit Set Up Aligning transmitter with ecu Preparing the engine for running First engine runs Priming t...

Page 3: ...ail Jets Munt S L Torrent d en Puig 31 08358 Arenys de Munt Barcelona Spain www jets munt com info jets munt com Fax 34 93 7950113 Legal and Disclaimer The engine design and the contents of this manua...

Page 4: ...y to re assemble without considerable dif culty and specialist equipment Simply slackening the spinner nut of the rotor will immediately lose the delicate balance condition without which the engine ma...

Page 5: ...touch the engine whilst it is running Turbines rotate at a very high rpm and the engine casing and exhaust can reach very high temperatures Ensure anything affected by heat is kept well clear of the e...

Page 6: ...ransmit incorrect rpm information to the ECU The fuel pump should be preferably mounted with the spindle in the vertical position with the motor uppermost In the event of any fuel seeping from the pum...

Page 7: ...e mounting provides an attachment for the temperature probe using the two nuts provided The temperature probe has been carefully shaped and installed at the factory to align with the small hole in the...

Page 8: ...tion of ow inside the lter is not important but should be always the same after rst use Do not run the engine without the fuel lter Finally connect the fuel pump the valves and the battery to the ecu...

Page 9: ...normally has the effect of producing the trim down function Check your radio manual for this before you start DO NOT use the digital trim in any case Aligning transmitter with ecu As the display does...

Page 10: ...trim and throttle stick are set to idle position on the transmitter Lower your throttle trim and the green LED will go out indicat ing correct reading of the transmitter engine shut off signal by the...

Page 11: ...e exhaust as soon as the airflow inside the engine is sufficient and will be ignited in the exhaust causing a hot start in extreme cases a big fireball that will not hurt the engine but can destroy th...

Page 12: ...n the exhaust temperature is of around 70 C the data terminal reading will change to SWITCHOVER during this phase the fuel will be routed to main injectors and the speed of the rotor will be progressi...

Page 13: ...the starter motor List of ECU message codes Here is a list of possible messages shown on the data terminal screen and their meaning TrimLow Indicates that the signal received from the transmitter corr...

Page 14: ...has dropped below a minimum Cause could be lack of fuel air bubbles problem with the batteries or defective RPM sensor The engine has been shutdown because the temperature has dropped below the minimu...

Page 15: ...ft turbine oils e g Aeroshell 500 Exxon 2380 Mobil JetOil II Mobil DTE Light turbine oil or 2T synthetic oil with a speci cation JASO FC or better 5 The fuel must be mixed with turbo oil in the ratio...

Page 16: ...om the ecu that can cause that a fully charged battery of 2000mAh be empty after 2 month Running Time Counter Using the second left hand button scroll through the menu s to the INFO menu This screen c...

Page 17: ...is insuf cient fuel or air bubble entering the engine during the initial start up 2 Low battery capacity 1 The ECU battery is empty recharge 2 The lters are dirty 1 The fuel level is low and or there...

Page 18: ...Jets Munt SL Torrent d en Puig 31 08358 Arenys de Munt Barcelona Spain Tel Fax 34 93 7950113 ww w jets munt com info jets munt com Copyright 2009 Jets Munt SL All Rights Reserved...

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