NOS MINI 2 STAGE PROGRESSIVE CONTROLLER
Contents
1. need to be done when the controller is in Resume Ramp Mode B C determines if the ramp is restarted or resumed when the trigger is reapplied 0 0 unit is in reset ramp mode restarts with loss of trigger starts over 0 1 unit is in resume ramp mode resumes back to where it was when trigger was lost Has to be reset before the next run only if the system has not timed out Display shows CHX for 1 second to indicate which channel is being programmed 1 ACTIVATION RPM eee B C RPM where system is activated 23 2300 RPM default setting is 30 or 3000 rpm NOTE This setting can range from a minimum of any RPM greater than 0 rpm 3000 rpm recommended up to a maximum of 9900 rpm 2 DEACTIVATION RPM B C RPM where system is deactivated 99 9900 RPM default setting is 59 or 5900 rpm NOTE This setting should be set to 200 RPM below engine rev limiter maximum of 9900 rpm NOTE To deactivate the RPM window switch function set the activation RPM to 00 and the deactivation RPM to 99 The tach input wire green must also be connected to a chassis ground 3 DELAY TIME B C time in seconds x x that the controller delays nitrous activation after trigger is applied The setting shown represents 2 0 seconds of delay before the nitrous ramp begins NOTE 0 seconds is the minimum delay and 9 9 seconds is the maximum delay time that the controller allows to activate This can be used to tailor pow2. 7 NOS MINI 2 STAGE PROGRESSIVE CONTROLLER Nos P N 15974NOS Progressive Staged Nitrous Oxide Injection Nitrous Oxide Systems FEATURES The NOS progressive controller is a 2 stage digital nitrous controller It combines a TPS sensing switch two RPM window switches and two progressive timers all into one unit The ramp time programming RAMP TIME is adjustable up to 10 seconds allowing the user to control the time until the nitrous ramps up or down to the desired final programmed delivery rate The integrated wide open throttle detection allows the user to wire the box up to their throttle position sensor and detect when the vehicle achieves full throttle The other features of the NOS 2 STAGE PROGRESSIVE CONTROLLER are the ability to set a ramp percentage rate at the start and end of the nitrous ramp for the vehicle This allows the user to tailor the nitrous delivery to their vehicle s needs START amp END The CONTROL OUTPUT DELAY TIME feature sets the amount of time until control output 1 or 2 is turned on FUNCTIONS amp USES A progressive 2 stage nitrous system works by cycling each set of solenoids for a user defined start time cycle time and duration This NOS 2 stage PROGRESSIVE CONTROLLER allows the user to drive the solenoids at different times to tailor power delivery to the engine as needed The user can choose to utilize a window switch rpm a throttle position switch TPS and or a throttle microswitch t
3. aximum current rating of 1 amp NOTE CH 1 amp CH 2 trigger input wires can be used together or separate on the TPS sensor The following is the wiring schematic See section tach setup for more information on the tach input wire CH sol to power 12V Power white to control red ic to power 12V switched 12V CH 1 sol SS OLP Solenoids enh ees blue Switched 12V a Trigger input CH 1 wht blu to tps or microswitch i Trigger input CH 2 wht red to tps or microswitch CH 1 output control yellow Se gt CH 2 output control orange Tach input green to tach signal I Digital Ground black ABC Ground for hand H Ground black Switch 1 T Switch 2 TESTING THE THROTTLE POSITION SENSOR A properly adjusted and functioning throttle position sensor is essential to the proper operation of the NOS Mini Progressive Controller The TPS is a precision electrical component that acts as a variable resistor The ECU provides a reference voltage to the TPS As the resistance varies with the throttle angle the TPS provides a return signal to the ECU 1 Locate the vehicle s TPS sensor and the associated wires that attach to it 2 Connect the positive lead of a digital voltmeter set to measure DC voltage to the TPS signal wire there are 3 wires on the TPS leading to the TPS and the negative lead of the voltmeter to a good chassis ground 3 Turn the ignition key to the on position 4 Using t
4. cates that the programming is complete If at any point you see Err a programming error has occurred Turn the power off back on and try again NOTE The user must continue through the setup for stage 1 and stage 2 until they see END If the power is shut off or the system reset in any way the changes will not be saved NOS TECHNICAL SUPPORT Toll Free 1 866 GOHOLLEY Phone 1 270 781 9741 Fax 1 270 781 9772 For online help please refer to the Tech Service section of our website www holley com 15974NOS Date 2 3 06
5. er delivery to activate when the power can be used most effectively i e delay the nitrous until after launching etc 4 START B C ramp start percentage of initial nitrous activation 00 to 99 99 being max NOTE This controls how much nitrous the engine receives at the beginning of the ramp NOTE The start can be more or less than the end 5 RAMP TIME _________ p B C time in seconds that the ramp builds to the END The setting shown represents 5 0 seconds total that each nitrous ramp takes to build to the end NOTE Minimum time is 0 seconds which will allow for the strongest most immediate nitrous activation Maximum time is 9 9 seconds which will allow for the softest most delayed nitrous activation 6 END B C system percentage at the end of the ramp 00 to 99 NOTE 99 is full NOTE The end can be greater or less than the start 7 CONTROL OUTPUT DELAY TIME B C time in seconds that the controller waits before turning on control output 1 or 2 NOTE This output is useful when using a timing retard activation switch or any other switch requiring a ground input not a 12V 8 TPAS MODE B C throttle position activation switch mode 0 0 grounded WOT switch requires a ground input to activate controller NOTE 00 is commonly used with a WOT microswitch 0 1 hot WOT switch NOTE 01 is used when activation is desired above a fixed 3 75 volt lever T
6. he positive lead of the voltmeter probe the wires that connect to the TPS sensor One wire will have a constant 5 volt signal to it reference the other wire will be a ground wire and the remaining wire will be the signal wire 5 When the signal wire is located note the voltage that is output with the throttle closed This value will typically be 1 volt or less depending on the application 6 Slowly open the throttle and observe the voltmeter s readout The voltage should increase smoothly from the closed throttle voltage to 4 0 to 5 0 volts at wide open throttle 7 Remove the voltmeter wires from the TPS connector 8 Connect the provided connector onto the wire that has a 0 to 5 volt output NOTE Some vehicles may have a falling voltage signal output If this is the case make sure you use setting 0 2 when setting the TPAS mode See Configuration Step 8 RUN MODE This mode indicates the status of the Mini Controller The LEDs A B C will show the unit s status ror indicates the unit is ready but untriggered 12 indicates the unit is triggered 1 ch1 amp 2 ch2 PP indicates that the unit is in ramp pause mode and is currently paused indicates that the unit has timed out 30 seconds Switch 1 resets the controller Switch 2 displays RPM Switch 1 PROGRAMMING THE MINI PROGRESSIVE CONTROLLER Switch 2 Switch 1 toggles through the configuration menu As you toggle through the configuration
7. hen the tach wire is connected to the tach from the engine electronic controller or distributor ex a cd ignition system or a conventional coil distributor setup This would be the 12v square wave tach output on a MSD box or a GM HEI NOTE The controllers RPM signal input can be connected directly to the negative side of a coil on a points style ignition NOTE Refer to the factory service manual to specify what style ignition system the vehicle has and for proper wire connection STEP P RAMP PAUSE MODE This mode will allow the NOS 2 Stage PROGRESSIVE CONTROLLER to either reset or resume the progressive nitrous ramp that has been programmed into it In reset mode the ramp will start over from the beginning when the trigger has been deactivated and reapplied In resume mode once the trigger is deactivated and reapplied the ramp will return to the last point that the system was active and continue the ramp from that point NOTE The NOS 2 stage Progressive Controller has a built in 30 second time out This means that after a total of 30 seconds of activation the controller resets itself This allows ample time for dyno runs or dragstrip runs to occur without the controller shutting off prematurely NOTE If the system has completed the ramp and has not reached the 30 second time out the user can reset the controller by pressing the left 1 button and the display should then return to r r NOTE This can only and should only
8. his can be used on a 12V microswitch or TPS application 0 2 TPS signal channel is active at 90 of WOT see step 9 NOTE Option 0 2 should be the default setting for most TPS sensor equipped electronic fuel injection cars continue to step 9 0 3 turns this feature off if you do not wish to utilize the WOT wide open throttle switch feature 9 TPS SETTING n NOTE only applies if Step 8 is configured as 0 2 g 4q i B C WOT voltage While at IDLE press switch 2 to read and display the TPS signal Momentarily press the accelerator pedal completely to the floor and release to reach 100 throttle the unit only needs to see WOT for a fraction of a second Now press switch 1 to save the displayed value You do not have to be at WOT when you press switch 1 to save Engine does not have to be running but ignition must be ON This may or may not work on ALL drive by wire vehicles NOTE On drive by wire vehicles remove the air inlet plumbing and have someone engage the throttle to 100 If the throttle plate opens fully and the TPS output on the display shows a corresponding high voltage ex 4 5 volts or higher the controller should work correctly if it s a falling voltage you should see approximately one volt at WOT If you just completed channel 1 set up you will now be prompted to set up channel 2 Repeat steps 1 7 for channel 2 or toggle through the channel 2 setup until you see End which indi
9. menu the stored value will be displayed Use this switch to toggle to the next step in programming mode Press switch 1 2 times Switch 2 increments the flashing value that was selected by switch 1 LED A B C displays the configuration step number and its setting A this is the step being programmed B C value for the current configuration step To enter the programming mode Press and hold both switches until Pro is displayed Now release the switches and the unit will automatically go to the first configuration step STEP F SOLENOID FREQUENCY Hz B C is the frequency that the solenoids are driven at NOS recommends a default setting of 15 Hz for our solenoids STEP C RPM SIGNAL SET UP This mode sets up the controller to work with the style of ignition system that your vehicle uses A brief description of each setting and its application is included after each option B C is the number of cylinders This setting is used by the RPM WS to calculate the correct RPM 0 0 individual coil per cylinder systems where the ground trigger wire is connected to the coil Connect wire to the ground trigger on coil ex the GM LS1 engine 4 6 liter Ford Mustang or the Vortec 5 3 liter 0 1 coil packs that fire in pairs waste spark systems Connect to ground trigger on coil ex the Mitsubishi Eclipse Turbo Buick Grand National or a wastespark dual outlet coil pack 0 2 1 2 For 2 to 12 cylinder engines w
10. o trigger the controller When the user sets up the controller or chooses the trigger mechanism they can utilize the time delay option to trigger the first or second stage of nitrous when it is most needed This could be after the vehicle has launched low traction first stage and then has traction later on in the run second stage OPERATION The NOS 2 stage PROGRESSIVE CONTROLLER is actually 2 fully independent nitrous controllers each with its own integrated throttle position activation switch TPAS and an RPM activated window switch RPMWS The window switch accepts most tach signals including low voltage and irregular signals such as those found on many V 10s Each channel will drive 1 set of fuel and nitrous solenoids progressively The TPAS accepts all analog throttle position sensor signals as well as a hot or grounded wide open throttle WOT switch Both channels have their own programmable parameters as well as their own control output for triggering extra functions such as ignition retard Each channel s internal TPAS can be configured to prevent it from activating unless you are at WOT Solenoid pulse frequency is also adjustable to allow the use of different types of solenoids The RPM WINDOW SWITCH requires 9 18 volts to operate correctly The solenoid control lines switch ground and have a maximum current rating of 40 amps per channel When activated ON the control outputs switch ground for loads up to a m
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