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E-flite 40-Amp Brushless ESC User Manual

Speed control 40-amp brushless, For unparalleled sensorless brushless performance

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© 2005 Horizon Hobby, Inc. www. horizonhobby.com

E-flite

i

s an exclusive brand of Horizon Hobby, Inc.

For warranty guidelines or product support, call 877.504.0233.

PLEASE READ THESE INSTRUCTIONS IN THEIR ENTIRETY BEFORE USE

Before installing your ESC, take a moment to look it over. One side has a black wire, a

red wire and a servo plug. The other side has three gold plugs.
The wires connect to your power battery. The servo plug connects to the throttle

channel on your radio receiver.

YOU MUST ENSURE THAT YOU CONNECT THE BATTERY

PROPERLY. The red wire connects to the red wire on your battery pack, the black wire

to the black wire on your battery pack. If the wires are reversed, the ESC may be

damaged. Reversing the battery will void your warranty, so always double-check this

connection. Solder a connector to the speed control that matches your battery

connector. We suggest a set of Dean’s Ultra Plugs (WSD1300). Make sure you install

the male connector on the ESC and the female on your battery.
The three wires from your motor connect to the three round gold connectors on the

ESC. The order of connection to the motor is not important; you can plug any motor

wire into any connector. If, when you test the system, the motor runs backwards,

reverse any two of the motor wire plugs. It is usually easiest to switch the outside

wires. If your motor does not come with connectors, solder the three male gold bullet

connectors (EFLA241) included with your ESC to the three motor wires.
NOTE: If your brushless motor (such as Hacker E-Series motors by E-flite

) does not

have silicone insulated wire leads, you should solder the included pieces of silicone

wire to your motor leads first (use heat shrink tubing). Then you can solder the

silicone wire leads directly to the female gold connectors on the ESC (be careful not

to desolder the connectors from the board) or solder the male connectors to the

silicone leads and plug into your ESC.
Before first use, please refer to the chart on the front of this card for BEC usage and

cutoff voltage guidelines. You must follow these guidelines for safe operation.
Plug the receiver wire into the throttle channel of your receiver before testing the

ESC. First, turn on your transmitter. Then, plug the power battery into the ESC.

Always start your system in this sequence. Your motor will beep when you plug the

power battery in, and your servos should move. Check servo motion as part of your

preflight check. You must always use a fully charged battery pack. It is very important

you make sure linkages are free-moving with no binding. When you are ready to fly,

move the throttle stick to the low position. The motor will beep twice indicating the

system is armed. You are now ready to fly.
Changing the brake programming:
To turn the prop brake on or off, follow this sequence:

Disconnect the ESC from the battery, and leave disconnected for at least 30

seconds to allow the speed control to reset. Turn your transmitter ON.

Move the throttle control on your transmitter to FULL throttle.

Plug the battery into the ESC.

Wait 5 seconds. You should hear a second beep after the initial

power-on beep.

Move the throttle control on your transmitter to the CENTER position.

Wait another 5 seconds. You will hear another beep.

Move the throttle control BACK to FULL throttle and wait for another beep.

Move the throttle control back to the CENTER position. You will hear

three beeps.

To turn the brake ON, move the throttle BACK to the FULL throttle position.

To turn the brake OFF, move the throttle DOWN to the OFF throttle position.

Disconnect the battery. The brake is now programmed.

1.

2.

3.

4.

5.

6.

7.

8.

9.

10.

11.

For Unparalleled Sensorless Brushless Performance

Automatically selects cutoff voltage for 2- to 3-cell Li-Po batteries (6V/9V)*

Automatically sets correct motor timing

Safe power-on mode prevents accidental starts

Programmable braking (on/off)

1.5A Battery Eliminator Circuit (BEC) to power radio & servos

Includes gold bullet connectors for your motor

Specifications

Length: 50mm (2 in)
Width: 26mm (1 in)
Height: 10mm (.4 in)
Weight: 20 g (.7 oz)
Cells: 6–12 Ni-Cd/Ni-MH; 2–3 Li-Po
Continuous Amps: 40

Speed Control

40-Amp Brushless

7415

EFLA312 40 AMP

Made in USA

* You must always use a fully charged battery pack in order to ensure proper cutoff
voltage is selected. Once a battery pack has been partially discharged and unplugged
from the ESC, reconnecting it before fully recharging the pack may result in the
incorrect voltage cutoff being selected, potentially causing damage to the pack.

Servo Ratings with BEC Enabled

CELLS

SERVOS–HIGH TORQUE

SERVOS STANDARD

6–8 Ni-Cd/Ni-MH

3

4

9–10 Ni-Cd/Ni-MH

2

3

11–12 Ni-Cd/Ni-MH

N/A

N/A

2 Li-Po

3

4

3 Li-Po

2

3

If you wish to disable the BEC (required if you’re using more than 10 cells), you must
first remove the red receiver wire and then insulate properly to prevent shorting.

Speed Control

40-Amp Brushless

1

pantone 360 = die line please do not print

front = 4 color (CMYK)
back = one color