AFR200 Series, Product User Guide
This document is subject to change without notice.
Caution: None of GAC products are flight certified controls including this item
Copyright © 2010, Governors America Corp., All Rights Reserved
3
PUG4144 D
Table of Contents
1
Introduction ....................................................................................................................... 5
1.1
Certifications .............................................................................................................................................. 5
2
Product Variations ............................................................................................................. 6
2.1
AFR Product Selection Clarification .......................................................................................................... 6
2.2
Standard Features ..................................................................................................................................... 6
3
Operational Description .................................................................................................... 8
3.1
Overview ................................................................................................................................................... 8
3.2
Air Fuel Ratio (AFR) Controller Feedback Inputs ..................................................................................... 8
3.2.1
Pre-Catalytic Converter Oxygen (O2) Sensor .................................................................................... 8
3.2.2
Manifold Absolute Pressure (MAP) sensor ......................................................................................... 8
3.2.3
Engine Speed Sensor ......................................................................................................................... 9
3.3
Speed Control and Protection ................................................................................................................... 9
3.3.1
Auxiliary (AUX) Speed Trim Input ....................................................................................................... 9
3.4
Fueling States ........................................................................................................................................... 9
3.5
Communication & Configuration ............................................................................................................. 10
3.5.1
SmartVU Configuration Software ..................................................................................................... 10
3.5.2
Diagnostics ....................................................................................................................................... 10
3.6
Optional Sensors ..................................................................................................................................... 10
3.6.1
Post-Catalytic Oxygen (O2) Sensor ................................................................................................. 10
3.6.2
Engine Oil Pressure (EOP) Sensor .................................................................................................. 10
3.6.3
Engine Coolant Temperature (ECT) Sensor .................................................................................... 10
3.6.4
Exhaust Gas Temperature (EGT) Sensor ........................................................................................ 11
3.7
Binary Inputs / Outputs ............................................................................................................................ 11
3.7.1
Power Relay Output .......................................................................................................................... 11
3.7.2
Malfunction Indicator Lamp (MIL) Output ......................................................................................... 11
3.7.3
Engine Speed Increment / Decrement ............................................................................................. 11
4
System Interconnect Diagram ........................................................................................ 12
5
AFR Components and Optional Equipment .................................................................. 14
5.1
AFR & Related GAC Components Table ................................................................................................ 14
5.2
Component Selection Information ........................................................................................................... 15
5.2.1
GAC Actuator Throttle Bodies .......................................................................................................... 15
5.2.2
Air-Fuel Mixer / Control Valve Assembly .......................................................................................... 16
5.2.3
Zero Pressure Gas Regulator ........................................................................................................... 17
5.2.4
Electronic Gas Lockout Valve ........................................................................................................... 17
5.2.5
Air Filtration ....................................................................................................................................... 17
5.2.6
Engine Sensors ................................................................................................................................ 17
5.2.7
Speed Trim Potentiometers .............................................................................................................. 17
6
Component Information & Installation .......................................................................... 19
6.1
AFR 200 Series Controller ...................................................................................................................... 19
6.1.1
Application Considerations ............................................................................................................... 20
6.1.2
Installation Instructions ..................................................................................................................... 20
6.2
GAC Actuator Throttle Body (ATB) ......................................................................................................... 21
6.2.1
Application Considerations ............................................................................................................... 21
6.2.2
Installation Procedure ....................................................................................................................... 21
