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
4
PUG4144 D
6.3
Air-Fuel Mixer & Control Valve Assembly ............................................................................................... 22
6.3.1
Application Considerations ............................................................................................................... 24
6.3.2
Installation Instructions ..................................................................................................................... 25
6.4
Gas Pressure Regulator (Zero Pressure) ............................................................................................... 25
6.4.1
Application Considerations ............................................................................................................... 26
6.4.2
Installation Instructions ..................................................................................................................... 27
6.5
Electronic Gas Lockout Valve ................................................................................................................. 28
6.5.1
Application Considerations ............................................................................................................... 28
6.6
Air Filtration ............................................................................................................................................. 28
6.6.1
Application Considerations ............................................................................................................... 29
7
Engine Sensor Information & Installation ..................................................................... 30
7.1
Magnetic Engine Speed Pickup .............................................................................................................. 30
7.1.1
Application Considerations ............................................................................................................... 30
7.1.2
Installation Instructions ..................................................................................................................... 30
7.2
Manifold Absolute Pressure Sensor (MAP)............................................................................................. 31
7.2.1
Application Considerations ............................................................................................................... 31
7.2.2
Installation Instructions ..................................................................................................................... 32
7.3
Exhaust Oxygen Sensor ......................................................................................................................... 32
7.3.1
Application Considerations ............................................................................................................... 33
7.3.2
Installation Instructions ..................................................................................................................... 34
7.4
Engine Coolant Temperature Sensor (ECT) ........................................................................................... 34
7.4.1
Application Considerations ............................................................................................................... 34
7.4.2
Installation Instructions ..................................................................................................................... 35
7.5
Engine Oil Pressure Sensor (EOP) ......................................................................................................... 35
7.5.1
Application Considerations ............................................................................................................... 35
7.5.2
Installation Instructions ..................................................................................................................... 36
7.6
Exhaust Gas Temperature Sensor (EGT) ............................................................................................... 36
7.6.1
Application Considerations ............................................................................................................... 37
7.6.2
Installation Instructions ..................................................................................................................... 37
8
Electrical Connections .................................................................................................... 38
8.1
AFR Connector Definitions ...................................................................................................................... 38
8.2
AFR Wiring Diagram ............................................................................................................................... 40
8.3
System Interface Information .................................................................................................................. 41
8.3.1
System Power ................................................................................................................................... 41
8.3.2
Power Relay (2A) Low Side Output (LSO) ....................................................................................... 41
8.3.3
Speed Selection Inputs ..................................................................................................................... 41
8.3.4
Communications ............................................................................................................................... 41
8.3.5
Fuel Valve (Stepper Motor) Control Output ...................................................................................... 42
9
AFR Configuration & Calibration Procedure ................................................................. 43
10
System Diagnostics ........................................................................................................ 43
10.1
AFR Indication LEDs ............................................................................................................................... 43
10.2
Fault / Warning Blink Codes .................................................................................................................... 44
10.3
Diagnostic Information............................................................................................................................. 44
10.3.1
Timers ............................................................................................................................................... 44
10.3.2
AFR Diagnostic Trouble Code Information ....................................................................................... 44
11
Symptom Troubleshooting ............................................................................................. 46
12
Specifications .................................................................................................................. 47
