Merlin
Instruction manual V1.4
Pag:
7
This Smart Data terminal includes dedicated screens for radio checking, last shutdown cause and
other special turbine operations. The most innovative and useful function is the internal
recorder/playback function. The terminal continuously stores all the data received from the ecu,
keeping in its permanent memory all the data of last 66 minutes of engine run, without the need
of the memory card. After the flight, the terminal can be pulled out of the plane and, without
connecting to the ecu, just using a 5-10V battery, the data stored can be played back in real
time, same presentation as if the engine was running. Playback mode can be still, forward or
reverse, speed x1, x 10 and x100 in both directions, so that would be easy to investigate any
issue at the field without the need of a computer or any other type of reader.
All the data, including all engine parameters, can be saved later to a memory card, where it can
be read using a text editor, or our viewer software. Also this data can be sent to engine
manufacturer to be studied. A detailed description can be found in last page of the present
manual.
The function of the buttons is described later in the “ECU setup”.
Engine installation: Electrical connections.
Connect the power lead of the battery to the
battery socket.
PLEASE: DOUBLE CHECK THE BATTERY
POLARITY BEFORE CONNECTING IT TO
THE ENGINE.
A
reverse
polarity
connection
will
immediately
damage
the
electronic
components on both the ecu and the engine.
See the table on page 5 for the recommended
Lipo battery. Optionally is possible to use an LiFe battery of 9,9V /25C, although the engine run
better with the recommended Lipo battery. Other battery voltages are not supported.
Battery
should be connected directly
,
DO NOT
use switches (electronic or mechanical), electronic
regulators, diodes, voltage regulators, etc. Multiple battery operation using a “Y” lead is possible,
but at least one battery must be directly connected to the ecu.
Connect the throttle channel from your receiver to the socket in the ecu labeled “throttle” and
the data terminal to the socket “Terminal”. Maximum voltage at throttle input port is 10V.
Connect the fuel pump to the ecu. Check
the colors. If connector is placed reversed,
the pump will run backwards.