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CPT Controller Manual 4REDJACKET Verifying Line-Leak Detection If you ordered the CPT with 3-gph line-leak detection from the factory, then no setup for leak detection is necessary. Red Jacket recommends three different methods for testing line- leak detectors: 0 Apparatus to Verify Operation (AVO) 0 Field Test Apparatus (FTA) 0 FX Tester (FXT) All three methods can be used to confirm proper operation of the CPT's electronic line-leak detection. Each method is briefly described here. Although these tests were documented for the Red Jacket mechanical leak detectors, the procedures can be used for electronic line-leak detection. Apparatus to Verify Operation (AVO) for Evaluating Basic Functions This device evaluates only the basic functions of the line-leak detector. The AVO procedure also evaluates the pumping system as well as the line-leak detector (LLD). The AVO satisfies the minimum EPA functionality check requirements for annual inspection of leak detectors. The AVO is the most common procedure for testing for catastrophic leaks (the 3-gph function of leak detection). For complete instructions on the AVO testing method, see Red Jacket Bulletin RJ-21. Field Test Apparatus (FTA) for Finite Testing The FTA provides a finite approach to testing the Red Jacket line- leak detector. Finite testing allows more consistent comparisons of leak rates, which may be used as a management and maintenance tool for populations of leak detectors. The FTA can check the volume and pressure for EPA requirements. For complete instructions on the FTA method, see Red Jacket Bulletin RJ-20. FX Tester The FX Tester (FXT) has been specially designed to work with the FX2 leak detector. The FXT offers quick, clean, easily performed, functional checks of mechanical leak detectors. For complete instructions on the FXT, see Red Jacket Bulletin 051-259, Rev. B. ARE260-240 Rev.A ♦ 6/97 4-7 Chapter 4:Operation