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NLR AMS-500 Manual

Boost controller
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Overview
The AMS-500 Boost Controller can control 2-Stages and/or levels of boost. The 2-
Stages are controlled by Input1 and Input2. Both of these inputs can be configured using a DIP
Switch for either Ground or +12 volt activation. Input1 may be configured to function as a
"Launch" stage when used in conjunction with Input2. Input2 offers an adjustable ramp rate as
well as boost level settings.
Each stage has a range of adjustment from 0 to 40psi with 1psi resolution and is con-
trolled to within .1psi to target using advanced control algorithms. If a setting greater than
40psi is configured the AMS-500 will default to the maximum 40psi allowed. A setting of 0psi
will turn either stage off.
An optional Safe Mode is available when using a pressure source other than the mani-
fold pressure. The Safe Mode continually checks for the proper pressure increase and will dis-
able the system and open the decrease solenoid in the event of an error condition. When in
Normal Mode of operation the AMS-500 will keep trying to apply pressure to the waste gate
until its target is reached.
For more information on each individual option see the appropriate section listed in the
Table of Contents on Page 2.
IMPORTANT—The AMS-500 controls the pressure on the Waste Gate so the actual
boost level obtained is a combination of the Waste Gate Spring pressure and pressure
applied by the controller.
NOTE—The AMS-500 Must be turned OFF and back ON when a change is made to any
switch. If this is not done the new switch settings will be ignored until the next power
on!
Stage1 Programming
Switches
Stage2 Ramp Rate
Select Switch
1
AMS-500 Boost Controller
10's
1's
5
5
Stage1 LED
Stage2 LED
5
8
10's
Input Polarity Select
Power
5
1's
Stage2 Programming
DIP Switch
MAP Sensor Port
1/8 NPT
Switches

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Summary of Contents for NLR AMS-500

  • Page 1 Each stage has a range of adjustment from 0 to 40psi with 1psi resolution and is con- trolled to within .1psi to target using advanced control algorithms. If a setting greater than 40psi is configured the AMS-500 will default to the maximum 40psi allowed. A setting of 0psi will turn either stage off.

  • Page 2: Table Of Contents

    NLR, LLC on vehicles used for competition racing. NLR, LLC neither recommends nor approves the use of products manufactured or sold by NLR, LLC on vehicles which may be driven on public highways or roads, and assumes no responsibility for damages incurred from such use.

  • Page 3: Configure Ams-500 Operating Mode

    If there is not enough pressure in the system to achieve the target level the AMS-500 will keep trying to apply pressure to the waste gate until its target is reached. When in Normal Mode the Red LED will be on steady at power to indicate this mode is active.

  • Page 4: Configure Stage1 / Input1 Operating Mode

    If Stage2 / Input2 is active the Stage1 setting will override the Stage2 setting. Example—Stage1 set at 12psi, Stage2 psi set at 8psi. When Stage1 is activated the AMS-500 would ap- ply 12psi to the system whether Stage2 is active or not. The Stage2 Green LED will blink four times at power up to indicate this mode is active.

  • Page 5: Setting Input1 And Input2 Activation Polarity

    Example—24psi setting, set Stage1, 10’s switch to 2 and then 1’s switch to 4. If a setting greater than 40psi is used the AMS-500 will default to a 40psi setting for this stage. Please see diagram below.

  • Page 6: Setting Stage2 Boost Level And Ramp Rate

    Example—15psi setting, set Stage2, 10’s switch to 1 and then 1’s switch to 5. If a setting greater than 40psi is used the AMS-500 will default to a 40psi setting for this stage. Please see diagram below.

  • Page 7: Wiring Diagram

    Plug Do NOT Install Plug Wastegate Manifold Pressure IMPORTANT—The AMS-500 controls the pressure on the Waste Gate so the actual boost level obtained is a combination of the Waste Gate Spring pressure and pressure applied by the controller www.nlrsystems.com or...

  • Page 8: Warranty Information

    NOTE—The AMS-500 Must be turned OFF and back ON when a change is made to any switch. If this is not done the new switch settings will be ignored until the next power IMPORTANT—The AMS-500 controls the pressure on the Waste Gate so the actual...