INSTALLATION TIPS
WIRES & INSTALLATION
CONNECTIONS & EXPLANATIONS
USER MANUAL
SPECIFICATIONS
RADIO- / SPEED-CONTROL SETUP
SPARE- & OPTIONAL-PARTS
orange
blue
yellow
Hall Sensor Wire
Receiverwire
On/Off - Switch
MOT.C (Orange)
Power Capacitor
BAT + (Red)
MOT.B (Yellow)
BAT - (Black)
MOT.A (Blue)
Hall Sensor Connector
• Positionthespeed-controlandcapacitorwheretheyareprotectedintheeventofacrashandgivesyoueasy
access to the connectors and buttons.
• Mountthespeedoandcapacitorusingthesuppliedthick/blackdoubled-sidedtape
• Makesurethere isenoughclearance betweenthe speed-control,power-wires,antennaandreceiver.Avoid
anydirectcontactbetweenpowercomponents,thereceiverortheantennaasthiscancauseinterference.If
interferenceoccurs,positionthecomponentsatadifferentplaceinthemodel.
• Theaerialshouldberunverticallyupandawayfromthereceiver.Avoidcontactwithanypartsmadeofcarbon
fibreormetal.Iftheaerialistoolong,don’tcoiluptheexcesslength.Seealsotheinstructionssuppliedwith
your radio control system.
Receiver Connecting Wire: The SPX ZeroisequippedwithanLRPMulticonreceiverwire.Assupplied,itwill
easily fit in all ordinary receivers. Make sure you connect it to receiver with correct polarity and use channel 2.
Sensor Connector: The bi-directional multipole sensor wire connects the speed-control and the motor. Always
usethesensorwireanddonotalterormodifythiscable!Therearereplaceable/optionalhallsensorwiresavailable,
please refer to complete line-up at „Spare- & Optional-Parts“.
Power Wires: Formaximumperformance,flexiblesiliconepowerwireswithoutanyconnectorsareused.The
unique splitted solder-tabs allow easy and convenient replacement of the power wires. Nevertheless some sol-
dering skills are required. Avoid soldering longer then 5sec per soldering joint to prevent possible damage to the
speed-controlduetooverheatingofthecomponents!Therearereplacementpowerwiresavailable,pleasereferto
complete line-up at „Spare- & Optional-Parts“.
Pure Brushless yes BEC 6.0V/3.0A
Forward/Brake yes High Frequency yes
Size 33.1x37.6x14.9mm Sensored Brushless System yes
Weight(excl.wires) 24.5g Multi-Protection-System yes
VoltageInput 4.8-7.4V Internal-Temp-CheckSystem yes
Typ. Voltage Drop* @20A 0.026V / phase „Boost 0“ Mode yes
Rated Current* 200A / phase Power Wires 2.6mm²
Compatible winding styles Star
4 adj. Modes (ACS, Powerprofiles,
Initial-andAutobrake)
yes
Rec. Motor Limit with 2S LiPo over7.5T
The SPX Zero comessuppliedwithflexible2.6mm²siliconepower-wireswithoutconnectors.Beverycarefulwith
the correct wire sequence/colors since an incorrect connection may damage the speed-control! Avoid creating
solder bridges on the solder-tabs and isolate all connections carefully.
Caution: Avoid soldering longer then 5sec per soldering joint when replacing the power wires on the speed-control
and motor to prevent possible damage due to overheating of the components!
•Connectthespeed-controltothereceiver(position:Channel2
•Bluepower-wire Speedo MOT.A to motor „A“
•Yellowpower-wire Speedo MOT.B to motor „B“
•Orangepower-wire Speedo MOT.C to motor „C“
•Connectthehallsensorcabletothespeed-controlandthemotor.
•Doublecheckallconnectionsbeforeconnectingthespeed-controltoabattery.
CAUTION: Ifbatteryisconnectedwithreversedpolarityitwilldestroyyourspeed-control!
•Redpower-wire Speedo BAT+ to battery „Plus“
•Blackpower-wire Speedo BAT- to battery „Minus“
•Thespeed-controlisnowreadytobeset-up(seesection„Radio-/Speed-ControlSetup)
RA00294
* Transistors rating at 25°C junction temperature Specifications subject to change without notice.
LRP electronic GmbH
Wilhelm-Enssle-Str.132-134
73630Remshalden,Germany
info@LRP.cc - www.LRP.cc
DearCustomer,
thank you for your trust in this LRP product. By purchasing a LRP SPX Zero brushlessspeed-control,youhave
chosen a highly advanced product aimed for true stock brushless racing. This speed-control with all of its high-
tech features and specially selected electronic components is one of the best speed-controls currently available
on the market.
•„Boost0“Modefortruestockracing •100%BrushlessForward/Brake
•Add.profilesformanyclasses •AdvancedDigital
•Internal-Temp-Checksystem •AutoCellSystem
•SensoredDesign •2.6mm²Power-Wires
•Multi-ProtectionSystem3 •Smallfootprint
Please read the following instructions carefully before you start using your speed control. This user guide contains
importantnotesforthesafety,theuseandthemaintenanceofthisproduct.Thusprotectingyourselfandavoiddamages
of the product.
Proceed according to the user guide in order to understand your speed control better. Please take your time as you will
havemuchmorejoywithyourproductifyouknowitexactly.
Thisusermanualshallbekeptinasafeplace.Ifanothercustomerisusingthisproduct,thismanualhastobehanded
out together with it.
InsetupmodetheSPX Zero stores every step (e.g. learning your radios neutral and endpoints) by pressing the SET
button. All the settings will be stored in the memory even if it will be disconnected from the battery.
Description other names in radio Required Setting
Throttle Travel HighATV,EPA 100%
Brake Travel LowATV,EPA,ATL 100%
ThrottleExponential EXP,EXPO start with 0
Neutral Trim SUB Trim centre
Servo Reverse Throttle Reverse anysetting,don‘tchangeafterset-upprocedure!
TRANSMITTER SETTINGS: Setupthefollowingbasicfunctionsonyourtransmitter(ifavailable):
Ifyourtransmitterdoesn‘tofferanyofabovefunctions,it‘salreadyin„basicsetup“mode.
•Ensurethatthespeed-controlisnotconnectedtothedrivebatteryandisswitchedoff.
•Removemotorpinionorensurethatthewheelsofthemodelarefreetorotate.
•Switchthetransmitteronandsetthetransmitterthrottlesticktoneutral.
•Connectthespeed-controltothebatteryandswitchtheuniton.
•HoldtheSETbuttonpressedforatleast3sec.
You entered setup mode and the SET LED flashes red (it will flash until the setup is completed).
•LeavetransmitterinneutralpositionandpresstheSETbuttononce.
Neutralsettingisstored,MODELEDflashesgreenandthemotorbeeps.
•HoldfullthrottleontransmitterandpresstheSETbuttononce.
Full-throttlesettingisstored,MODELEDflashesred.
•HoldfullbrakeontransmitterandpresstheSETbuttononce.
Brakesettingisstored,LED‘sglowred(MODE)andred(SET).
• ThiscompletesthesetupprocedureandyourSPX Zero is ready to use.
• Ifyoumakeamistakeduringthesetupprocedure,don‘tworry:Disconnectthebatteryforabout10secandstart
again from the first step.
• Attheendofeachrunswitchofthecar,andthenswitchoffthetransmitter.
• Atthestartofeachrunswitchonthetransmitterfirst,thenswitchonthecar.
• Forstorageofthecar,disconnectthedrivebatteryatanytime!
Function Status Mode LED Set LED
Neutral --
off
red
Neutral (when „Boost 0“ selected) -- flashes red
Forward
partial throttle
green
off
full red
Brake
partial brake
red
off
full red
CHECKING THE FUNCTIONS: ChecktheLED‘swhenmovingyourthrottlestickandyouwillseeifeverythingis
setup correctly.
© LRP electronic GmbH 2010
ORDER.NO.:
80705
Sensored Brushless Speed-Control
For True Stock Racing
„Boost 0“ Mode
>7.5T Motorlimit
LRPoffersacomprehensivelineofaccessories,aswellasparticularspare-andoptionalitems.Hereyoufindan
overview,forafullpicturepleasevisitourwebsiteatwww.lrp.cc:
#82505 Power-WireSetBrushless2.6mm²(red,black,blue,orange,yellow)
#82506 Power-WireSetBrushless3.3mm²(red,black,blue,orange,yellow)
#81907 3.3mm²Powerwireblack(1.0m)
#81908 3.3mm²Powerwireblue(1.0m)
#82511 LowProfilecoolingfan
#819307 Sensor-Wire„HighFlex“70mm
#819310 Sensor-Wire„HighFlex“100mm
#819315 Sensor-Wire„HighFlex“150mm
#819320 Sensor-Wire„HighFlex“200mm
#82520 RadicalMotorHeatsink+Fan
Team advise: Agoodstartingpointforthebrakesettingonyourradiois80%forallclasses.Makesureyoudothe
radio-setupwithallsettingsontheradioon100%andthendecreasebrakestrengthto80%!
The crossed-out wheeled bin means that within the European Union the product must be taken
to seperate collection at the product end-of-life. Do not dispose of these products as unsorted
municipal waste.