Instruction/ maintenance manual of the product 71900 Edelbrock
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www .edelbrock.com Page 1 of 17 Please study these instructions carefully before installing your new Progressive Nitrous Contoller . If you have any questions, please contact our T echnical Hotline at : 1-800-416-8628 from 7 am - 5pm, Monday-Friday , Pacific Standard Time or e-mail us at Edelbrock@Edelbrock.
www .edelbrock.com Page 2 of 17 71900 - Progressive Nitrous Controller The 71900 Progressive Nitrous Controller was designed using the latest digital technology a vailable.
www .edelbrock.com Page 3 of 17 Nitrous Delay T imer: A digital timer is provided that can be used to delay the start of the nitrous. This timer begins counting down when the activation terminal is on (+12v a pplied). If the activation signal is removed, the delay timer will halt until the signal is re-applied.
www .edelbrock.com Page 4 of 17 T ABLE OF CONTENTS Page # Programming +12 V olt Timer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Nitrous Delay T imer . . . . . . . . . .
www .edelbrock.com Page 5 of 17 Programming the +12 Volt Timer Press and release the FUNCTION switch until the message “+12V T imer Delay” a ppears on the display . After the function message has scrolled across the display , the current +12 Volt Timer setting will appear on the display .
www .edelbrock.com Page 6 of 17 Programming the Nitrous Starting Percentage Press and release the FUNCTION s witch until the message “Starting Percentage” appears on the display . After the function message has scrolled across the display , the current nitrous starting percentage setting will appear on the display .
www .edelbrock.com Page 7 of 17 Programming the Nitrous Power Ramp Time NOTE - If the dual ramp feature is enabled fron the options menu, there will be a “Nitrous Build Time #2” in the menu list. The programming method is the same as the “Build Time #1”.
www .edelbrock.com Page 8 of 17 Viewing Run Data and Entering the Options Menu Press and release the FUNCTION switch until the message “Edelbrock Nitrous Systems - 71900” appears on the display . Press and hold the ENTER s witch, the display will show the time at which the activation input was turned OFF for the previous progressive cyc le.
www .edelbrock.com Page 9 of 17 Setting the Dual Nitrous Power Ramp ON/OFF Enter the Options Menu, press and release the FUNCTION s witch until the message “Dual Ramp Nitrous” appears on the display . Press and release the ENTER switch to turn this feature ON or OFF .
www .edelbrock.com Page 10 of 17 Setting +12V Timer Output Hold ON/OFF Enter the Options Menu, press and release the FUNCTION s witch until the message "+12V Timer Output Hold" appears on the display . Press and release the ENTER switch to turn this feature ON or OFF .
www .edelbrock.com Page 11 of 17 How the Dual Power Ramp Functions The dual nitrous ramp feature enables the user to have more precise control over the nitrous po wer ramp. When the dual ramp feature is enabled, there are two more selections added to the Main Menu.
www .edelbrock.com Page 12 of 17 Items Included with the 71900 Controller 1 - Wiring Harness 2 - Installation & User Manual Items Needed that are NOT Supplied with Controller 1 - Nitrous Kit 2 - Safety Solenoid 3 - Activation Switches as needed, if they were not inc luded with the nitrous kit.
www .edelbrock.com Page 13 of 17 ©2008 Edelbrock Corporation Catalog #71900 Brochure #63-0473 Rev . 08/08 - AJ/mc An optional RPM windo w switch may be connected here. Any RPM switch with a ground control output may be used. NOTE - Most factory fuel injection systems will cut the fuel during an over-rev condition.
Progressive Controller Wiring Diagram with Several Options Page 14 of 17 ©2008 Edelbrock Corporation Catalog #71900 Brochure #63-0473 Rev . 08/08 - AJ/mc Nitrous Arming Switch T rans Brake Button +12.
www .edelbrock.com Page 15 of 17 Electrical Specifications Normal Operating Voltage 10.0 to 16.0 Volts, Nega tive Ground Controller will turn OFF at 6.2 Volts +12 Volt Timer Output 1 AMP Maximum, 80mA sink to ground when timer output is OFF . Nitrous Solenoid Ground 45 AMPs Maximum Activation Input .
www .edelbrock.com Page 16 of 17 ©2008 Edelbrock Corporation Catalog #71900 Brochure #63-0473 Rev . 08/08 - AJ/mc Controller Wiring Controller power and ground wires should be routed directly to the batter y or other isolated po wer source. F or excessive distances, supplied po wer wires should be replaced with heavier gauge wire.
www .edelbrock.com Page 17 of 17 SERVICE In the event that your Progressive Nitrous System should need ser vicing, return the unit freight pre-paid to the Edelbrock Service and Repair facility a t 2700 California Street, T orrance, CA 90503. Do not attempt to disassemble or service the components of the system yourself.
An important point after buying a device Edelbrock 71900 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Edelbrock 71900 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Edelbrock 71900 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Edelbrock 71900 you will learn all the available features of the product, as well as information on its operation. The information that you get Edelbrock 71900 will certainly help you make a decision on the purchase.
If you already are a holder of Edelbrock 71900, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Edelbrock 71900.
However, one of the most important roles played by the user manual is to help in solving problems with Edelbrock 71900. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Edelbrock 71900 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
