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
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The regulator has the following required fittings as identified on the previous figure:
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RPR 101 Input / Output = 3/4 in. NPT Fitting
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RPR 102 Input / Output = 1 in. NPT Fitting
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Feedback / Reference Port = 1/8 in. NPT Fitting
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Use this information provided in the component selection section to select the appropriate
hardware required between the air-fuel mixer assembly and the fuel supply piping if you are using
GAC provided parts.
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The maximum inlet pressure to the zero pressure gas regulator is 1 PSI [27.7 in. or 70.3 cm. of Water
Column].
6.4.2 Installation Instructions
1. Ensure that the fuel supply is shutoff or disconnected whenever working fuel system plumbing.
2. Install the selected interconnect between the mixer assembly and the pressure regulator using pipe
unions or barbed fittings into the fuel inlet port for the air-fuel mixer assembly.
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Use an approved pipe thread sealant to ensure the connection is leak proof.
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If barbed fittings are used, ensure that properly-sized, high-quality, hose clamps are installed in pairs.
3. The zero pressure gas regulator is directional. Refer to the following figure for identification of the fuel
flow direction indicator and ensure the fuel flow direction is toward the mixer / air-fuel control valve
assembly during installation.
Zero Pressure Gas Regulator
4. Install the zero pressure gas regulator outlet port to the interconnect from the air-fuel control and mixer
assembly in Step 1 using the appropriate pipe unions or barbed fittings.
•
Ensure the pressure regulator is installed in the correct orientation as detailed in the following figure
and the application considerations section.
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An approved pipe thread sealant can be used to ensure the connection is leak proof.
•
If using barbed fittings use properly sized, high-quality hose clamps in pairs.
Fuel Flow Direction
Indicator
In
Out
Must be installed
with adjustment post
upright
