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NOVAK EXPLORER II ESC Operating Instructions

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SPECIFICATIONS
OPERATING INSTRUCTIONS
THE EXPLORER II
The Explorer II adds One-Touch Set-Up™ to the winning
Input Voltage
6-7 cells (1.2 volts DC/cell)
combination of high frequency design and economical pricing
Case Width
1.98 inches
[50.29 mm]
in a sport level ESC (Electronic Speed Control). With Novak's
revolutionary Polar Drive Technology™ and Digital Anti-
Case Depth
1.42 inches
[36.07 mm]
Glitch Circuitry
TM
the Explorer runs faster, longer, and
Case Height
0.70 inch
[17.78 mm]
smoother than conventional ESCs. While Radio Priority
PART #1910
Weight
1.87 ounces [50.01 g]
(w/o heat sinks)
TM
Circuitry
maintains steering control even after the battery
pack has discharged.
On-Resistance
0.005
@ Transistors
@ 25 C transistor
The Explorer II also has built-in brake light circuitry to
Rated Current
150 amps
junction temp.
power two external LEDs for added realism with Touring
Braking Current
50 amps
Sedans and Formula One cars. (Two high-power brake LEDs
BEC Voltage
5.0 volts DC
and versatile mounting hardware available in Novak kit #5655)
BEC Current
0.5 amps
Novak's Solid State RVP™ provides rugged protection
against reverse voltage application without the need for
Wire Size
(Battery/Motor)
16 gauge
fuses, while the built-in BEC (Battery Eliminator Circuit)
Wire Length
(Battery/Motor)
6 inches
[152 mm]
powers the radio system with no external receiver battery.
Signal Harness Length
6 inches
[152 mm]
Other features include the Novak Input Plug System™
Transistor Type
MEGAFET
for compatibility with all major radio systems, Thermal
PWM Drive Frequency
7800 hertz
Overload Protection, and purple anodized Micro Fin™
(nominal)
heat sinks. The factory-installed JST/Tamiya style battery
Part Number
1910
connectors and bullet style motor connectors make for
Brake Light Part Number
5655 (optional accessory kit)
quick and easy installation of the ESC into your car or truck.
EXPLORER ACCESSORIES
PRECAUTIONS
RADIO INTERFERENCE
BRAKE LIGHT KIT
• READ INSTRUCTIONS CAREFULLY BEFORE USING!
The high frequency switching operation of electronic
speed controls can generate radio interference. Here are
• WATER & ELECTRONICS DON'T MIX! Do not operate
The Explorer II speed control comes equipped with built-in
some common causes of radio interference problems:
model in or around water. Never allow water, moisture,
circuitry to power two high-power brake light LEDs.
or other foreign materials to get inside the ESC.
Novak's optional Brake Light Kit (#5655) comes com-
• CAPACITORS NOT INSTALLED ON MOTOR Electric
plete with two premium quality LEDs and versatile
• 6 OR 7 CELLS ONLY Never use more than 7 or less than
motors generate radio noise that can interfere with the
mounting brackets to mount the brake lights behind the
6 sub-C cells (1.2 volt DC/cell) in the main battery pack.
receiver. To prevent radio problems, every motor must
taillight section of the car body or onto most any vertical
have three 0.1 F (50V) ceramic capacitors installed on
• MOTOR CAPACITORS REQUIRED Three 0.1 F (50V)
or horizontal surface on the chassis.
it. Refer to Step 4 on back page for proper installation.
ceramic capacitors must be properly installed on every
MOTOR CAPACITORS
motor to prevent radio interference.
• RECEIVER/ANTENNA INCORRECTLY MOUNTED The
• DON'T LET TRANSISTOR TABS TOUCH Never allow
To prevent radio interference problems, you must have
receiver and antenna should be mounted as far from
the two transistor tab banks or the heat sinks to touch
three 0.1 F capacitors properly installed on every motor.
the motor, power wires, battery, and servo as possible,
each other or any exposed metal, as this will create a
Included with the Explorer II speed control are three
as these components all emit radio noise. On graphite
short circuit and damage the speed control.
0.1 F (50V) capacitors for one motor. Additional 0.1 F
or aluminum, place receiver on edge with the crystal
(50V) capacitors are available in Novak kit #5620. Please
• DISCONNECT THE BATTERIES Always disconnect the
and antenna as far above the chassis as possible. Mount
refer to Step 4 on the back page for proper motor
battery pack from the speed control when not in use.
the antenna close to receiver and trail any excess wire
capacitor installation instructions.
off the top of antenna. Do not cut or coil excess wire!
• TRANSMITTER ON FIRST Always turn on the power of
HEAT SINKS
your transmitter first so that you will have control of the
• MOTOR BRUSHES WORN As motor brushes continue
radio equipment when you turn on the speed control.
Replacement heat sinks are available for the Explorer II
to wear, excessive motor noise will be generated. To
• DON'T GET BURNT! Transistor tabs can get hot, so be
ESC in Novak kit #5408. These purple anodized Micro-
avoid radio interference, worn motor brushes should
careful not to touch them until they cool.
Fin heat sinks provide the cooling needed for the lower
be replaced. The motor commutator may also need to
operating temperatures and higher operating efficiencies,
be cleaned or trued and can be machined to help the
• INSULATE WIRES Always insulate exposed wiring with
and also help to prevent overheating.
heat shrink tubing to prevent short circuits.
motor run more efficiently.
STEP 1
STEP 2
STEP 3
CHANGING THE INPUT HARNESS
HEAT SINK INSTALLATION
MOUNTING INSTRUCTIONS
Included with the Explorer II ESC is the Novak Input Plug
Two Micro Fin™ heat sinks have been included to provide
1. DETERMINE THE BEST ESC MOUNTING LOCATION
TM
proper cooling for the Explorer II. The speed control will
The speed control should be positioned away from
System
to convert the Futaba J style signal harness for
the receiver and antenna as shown in set-up photo on
operate cooler and run faster when the heat sinks are in-
compatibility with Airtronics, KO, Kyosho, JR, Airtronics Z,
back page. Choose a mounting position that will keep
stalled. DO NOT use the Explorer II without the heat sinks,
and Hitec radios.
Refer to Figures 1 through 3 to change plug.
power wires away from the receiver and antenna.
as this voids the warranty and may cause the speed control
Choose a position that will provide maximum airflow
to overheat and thermally shut down.
through the heat sinks to allow for proper cooling.
1. INSTALL THE LEFT HEAT SINK
2. INSTALL THE SPEED CONTROL
Place the speed control on a flat surface and press one
Use the included double-sided tape to mount ESC.
heat sink (longer fins go down onto transistor tabs)
3. INSTALL THE ON/OFF SWITCH
Airtronics (A)
KO
Kyosho (KYO) JR/Hitec/AirZ
onto the left bank of 3 transistor tabs.
Determine a convenient place to mount switch where
it will be easy to get to. Mount switch using a piece of
NOTE: Do not use too much force when installing the
FIGURE 1 With a small standard screwdriver, press on
double-sided tape. If your car has a switch mount
heat sinks because you can damage the transistors or other
each of the three metal prongs until the wires are easy to
molded into the chassis, remove the two phillips head
components on the PC board. Never use a vise or pliers to
remove. Remove wires.
screws from the switch housing and reassemble
install the heat sinks.
switch into chassis using the 3/8" long screws that are
2. INSTALL THE RIGHT HEAT SINK
included in the speed controls accessory kit. Note the
direction of
ON/OFF
cover and reverse it if necessary.
Press the second heat sink (again, long fins down) onto
the right bank of 3 transistors tabs.
4. INSTALL THE RECEIVER
Mount the receiver as far from the speed control,
The heat sinks should press onto the transistor tabs with a
motor, power wires, battery, and servo as possible.
snug fit. If heat sinks are installed upside-down or shifted
These components all emit radio noise when the
off-center, they will be too loose and will not work properly.
throttle is being applied. If your car has a graphite or
3. DO NOT USE GLUE
aluminum chassis, place the receiver on its edge with
FIGURE 2 With the screwdriver, carefully lift each of the
the crystal and antenna as far above the chassis as
Do not use glue or other types of adhesives to attach
metal locking tabs to the angle shown.
possible. The receiver can also be mounted on the
the heat sinks to the transistor tabs.
shock tower.
4. DO NOT SHORT CIRCUIT HEAT SINKS
5. INSTALL THE ANTENNA
The two separate banks of transistor tabs or heat sinks
Mount the antenna as close to the receiver as pos-
should never contact each other or other conductive
sible. Trail any excess wire off the top of the antenna
objects (metal, graphite, etc.), or they will short circuit
mast––Donnot cut or coil excess wire.
and damage the speed control.
Cutting or coiling excess wirewill reduce radio range.
FIGURE 3 Insert each pin into the correct plug slot. Each
pin should "click" into place.
(Sanwa plug shown)
The locking tab must not extend
outside the plastic plug housing.
WHT = White wire terminal (signal)
BLK = Black wire terminal (negative)
RED = Red wire terminal (positive)
CAUTION Improper installation of these wires may cause damage
to the receiver, servo, and speed control.
NOVAK ELECTRONICS, INC.
18910 Teller Avenue
Irvine, CA 92612
www.teamnovak.com

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   Summary of Contents for NOVAK EXPLORER II ESC

  • Page 1

    CHANGING THE INPUT HARNESS HEAT SINK INSTALLATION MOUNTING INSTRUCTIONS Included with the Explorer II ESC is the Novak Input Plug Two Micro Fin™ heat sinks have been included to provide 1. DETERMINE THE BEST ESC MOUNTING LOCATION proper cooling for the Explorer II. The speed control will...

  • Page 2

    One-Touch Set-Up™, Smart Braking Circuitry™, Digital Anti- Note: Some LEDs have the flat on the negative side. If LED Glitch Circuitry™, & Input Plug System™ are trademarks of Novak Electronics, Inc. does not illuminate, reverse the red and black brake light wires.

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