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
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PUG4144 D
5.2.3 Zero Pressure Gas Regulator
There are two varieties of Maxitrol Zero Pressure Gas Regulators offered by GAC. These are:
•
RPR101 – Maxitrol R500Z – 3/4” NPT Fitting
•
RPR102 - Maxitrol R600Z – 1” NPT Fitting
In most cases you can simply select the correct version of the regulator by choosing the size fitting you prefer and
ensuring that the pressure drop is within the allowable range using the provided data
.
Important Note:
The venturi mixer & fuel control valve assembly may have a different size fitting, select
interconnect plumbing accordingly.
Zero Pressure Gas Regulator Capacities
5.2.4 Electronic Gas Lockout Valve
This is a non-GAC provided item. Refer to the application / installation information in the Component Information
and Installation section for further information on selecting the correct electronic gas lockout valve.
5.2.5 Air Filtration
This is a non-GAC provided item. Refer to the application / installation information in the Component Information
and Installation section for further information on selecting the correct air filtration system.
5.2.6 Engine Sensors
Although each of the sensors offered by GAC has been fully validated and approved for use with the AFR system
there is always the option of using an alternate supplier as long as the sensor is equivalent in electrical
characteristics. The application and installation information provided in following sections provide greater detail
on selecting the appropriate sensors.
5.2.7 Speed Trim Potentiometers
The following information details the various variable speed trim potentiometers available for purchase from GAC.
The following table shows the various part numbers and a brief description of these components. Note that the
greater the resistance and the higher number of turns will provide the greatest precision over speed control.
