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• Now that BEC power of the brushless ESC has been disabled, connect its receiver lead to one of the
female connectors of the 3” Y-Harness (EFLRYH3). Next, connect the Throttle (Channel 3) receiver lead
of the 3-in-1 control unit to the remaining female connector of the 3” Y-harness. Then, connect the
male connector of this Y-harness to Channel 3 (Throttle) of the receiver.
• To complete installation and wiring hook-up of the brushless ESC, connect the remaining JST male
connector of the battery power lead Y-harness to the female JST connector of the 3-in-1 control unit.
Be sure to then secure the battery power leads of the brushless ESC and 3-in-1 so that they cannot
come into contact with the gears or any other moving parts, and so that you can readily access the
remaining JST female connector for connecting the battery pack.
Now that you have completed installation of the optional brushless power system, it will be necessary
to check that the ESC is set properly to ensure maximum performance, and that the motor is operating
in the correct direction. Before proceeding with these checks, however, unplug the tail motor wires from
the 3-in-1 control unit making note of their direction and polarity for proper re-installation after the
checks are complete. Also, remove the main rotor blades and mounting bolts/nuts from the main blade
grips to help ensure safety. Then, follow these steps (if using the E-flite 20-Amp ESC):
• Turn the transmitter on first and advance the throttle stick to full power. Then, after placing your hand
on the rotor head and securing the helicopter so that it will not be able to move and that you can
quickly disconnect the battery if power to the motor is applied, plug the battery into the battery lead
Y-harness connected to the 3-in-1 control unit and brushless ESC. You should then hear the beep to
signal power up of the brushless ESC, followed by an additional beep to indicate that the ESC has
entered the programming mode.
Note: Exercise extreme caution and care when programming the brushless ESC with the motor
pinion gear meshed properly to the main gear. Although the ESC is equipped with safe power-on
software and should not apply power to the motor, you must still be very careful. If, at any time,
power to the motor is applied and the rotor head begins to spin, unplug the battery immediately to
prevent any damage to the model and electronics, or even personal injury.
Summary of Contents for Blade CP
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