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Electrical connection diagramm (2/2)
Power Supply
Power for all electrical components of the turbine (starter / glow plug / ECU / fuel pump /
fuel and gas valves) are supplied by the six-cell, 1250 mah ECU battery. The amount
of battery capacity used per flight is approximately 300-400 mah. This includes starting
and cool down. The ECU NiCad battery
must
be recharged after three (3) flights!
CAT
recommends recharging after every flight, making it a routine that is not overlooked.
The battery should be cycled periodically, to prevent NiCad memory problems that
lower the battery’s capacity.
Charging the Battery
Do not charge the battery, with a quick charger using negative discharge pulses, when
connected to the ECU. This will destroy the electronics of the ECU. The only
recommended method is to disconnect the battery from the ECU and charge it directly.
If you are absolutely sure that this is not the case with your charger, the battery can be
charged using an Y cable.
Glow Plug
A modified, conventional (hot range, non-idle bar) glow plug (Rossi #3) is appropriate.
The glow plug is installed on the turbine without a washer. Do not over-tighten or you
may damage the threaded bushing. Light torque is fine; there is no vibration to loosen
it. The glow plug is modified, so that two turns of the element extend beyond the bottom
of the plug. With a pin, pull out two turns of the element. Make sure the plug glows
brightly red. The limits menu features an adjustment for glow plug voltage, if needed.
This adjustment is described later.
Connection - diagramm (2/2)
(Verbindungsschema)
ECU bottom-view
(von unten)
Glow-plug
Starter device
Fuel-pump
Outputs are unfused !
max. 12A
Fuzzylogic
Microcomputer-Control
Jet-tronic -
II
- P80
-
To turbine (3 wire cable)
(Zur Turbine 3-adriges Kabel)
Fuelpump
(Kraftstoffpumpe)
