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HVAC/R REFRIGERANT ANALYZER

OPERATION MANUAL

Analyzer Part Number: 68940

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Summary of Contents for 68940

Page 1: ...HVAC R REFRIGERANT ANALYZER OPERATION MANUAL Analyzer Part Number 68940...

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Page 3: ...PLING 14 2 5 LIQUID SAMPLING 15 2 6 VIEWING THE TEST RESULTS 15 2 7 CONTAMINATED BLEND REFRIGERANTS 16 2 8 PURE BLEND REFRIGERANTS 16 2 9 PURE BLENDS WITH INCORRECT COMPONENT RATIOS 17 2 10 MEASURING...

Page 4: ...mple filter will result in severe damage or inaccurate results SAMPLE INPUT WARNING The instrument includes sampling options One for High Side Liquid sampling and one for Low Side Vapor Sampling Failu...

Page 5: ...or damp areas Some systems may contain hydrocarbons or flammable refrigerants This analyzer is designed with sealed heat sources and without sparking components Ensure adequate ventilation and always...

Page 6: ...ommend that all personnel who use this instrument read this manual to become more familiar with its proper operation For further information regarding the application operation or spare parts please c...

Page 7: ...of multiple refrigerant types Refrigerant purity is displayed on the LCD Screen and the user must determine acceptable levels of purity based on their recovery or use standards The instrument is suppl...

Page 8: ...vanced ergonomic design Rugged rubberized hand grips Large graphic display with on screen instructions Fast test time Built in printer for instant analysis report Built in oxygen sensor to detect pres...

Page 9: ...hane tube A Brass Sample Hose Restrictor acts to reduce pressure at the sample connection point and reduce the introduction of harmful oil into the machine The maximum inlet pressure is 500 psig The h...

Page 10: ...er will indicate Non Condensable or Unknown Refrigerant if the analyzer does not receive a good sample due to obstructed flow or lack of flow If this occurs the Brass Sample Hose Restrictor may need t...

Page 11: ...hic display Red and Green LED s at the top of the Control Panel are used for visual status indications Back Panel Connections The connections located on the back panel are illustrated below CAUTION Th...

Page 12: ...The hard shell storage carrying case is custom fit to the YELLOW JACKET 68940 It provides rugged protection for the instrument as well as convenient storage for all components The enclosure is general...

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Page 14: ...it Press the left soft key POWER button The splash screen shown in Figure 1 will appear followed immediately by the screen in Figure 2 If you wish to adjust factory settings press SET and refer to sec...

Page 15: ...s refrigerant and ensures accurate test results Calibration requires that the sample hose is disconnected from the refrigerant cylinder or air conditioning system and remains connected to the instrume...

Page 16: ...completed the screen in Figure 8a will appear to indicate the test is nearly complete 2 4 Vapor Sampling Vapor sampling is the most common method used for identifying refrigerants using the YELLOW JAC...

Page 17: ...ess TEST on the Analyzer Figure 7 6 Upon completion of the test close the valve on the cylinder disconnect the hose from the inlet of the High Pressure Liquid Sample Trap Assembly and depress the plun...

Page 18: ...ified refrigerants will display with Purity Unknown as the analyzer cannot yield additional information regarding the composition Figure 14 Refer to 2 12 Channel Data Modelling for additional informat...

Page 19: ...very test The built in oxygen sensor will display the percentage of Air in all Identified or Identified and Analyzed refrigerants if there is Air in a system or cylinder The image below in Figure 19 p...

Page 20: ...outs may be made following the same procedure To exit the test press the DONE button Figures 22 23 24 show sample printouts for various test results NOTE Care must be taken when tearing off the printe...

Page 21: ...re allows the user to develop a fingerprint model for different refrigerants the YELLOW JACKET 68940 may not already analyze If the user tests a virgin tank of refrigerant at least 3 times and receive...

Page 22: ...on the outside diameter the sample filter requires replacement to prevent the influx of particulate and oil mists into the instrument To change the Sample Filter first obtain a replacement filter Remo...

Page 23: ...ing wrench as not to damage the coupler 3 Check for signs of oil and debris in the coupler 4 Using CRC Brakleen or similar cleaner which ONLY contains Tetrachloroethylene and carbon dioxide follow saf...

Page 24: ...updates may be made available to improve operating performance or add additional features Some updates will be provided at no charge to implement operating efficiencies while others will be optional...

Page 25: ...you are in a well ventilated area Once you have verified both press RECAL to recalibrate the analyzer If you have had the analyzer for a few years the oxygen sensor may be near depletion Pressing TES...

Page 26: ...e IDENTIFIED REFRIGERANTS R12 R1234yf R408A R409A R417A R421A R421B R422A R422B R422C R427A HC Hydrocarbons Due to similar formulas R417A and R421A may be identified as either R417A or R421A IDENTIFIE...

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