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Summary of Contents for yellow jacket 68940
- Page 1 HVAC/R REFRIGERANT ANALYZER OPERATION MANUAL Analyzer Part Number: 68940...
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Page 3: Table Of Contents
Low Side Vapor Sample Hose High Side Liquid Sample Hose AC Power Adapter Control Panel Back Panel Connections Hard Shell Stoarage/Carrying Case 2 YELLOW JACKET 68940 OPERATION 2.1 FIRST USE 2.2 TURNING ON THE UNIT 2.3 CALIBRATION 2.4 VAPOR SAMPLING 2.5 LIQUID SAMPLING 2.6 VIEWING THE TEST RESULTS... -
Page 4: For Your Safety
BEFORE PLEASE READ THIS MANUAL IN ITS ENTIRETY ATTEMPTING INSTALLATION OR OPERATION! Attempting to operate the YELLOW JACKET 68940 without fully understanding its features and functions may result in unsafe conditions. Analyzer Warnings • REFRIGERANT BLEND WARNING: The HVAC industry is ever evolving new refrigerants. -
Page 5: General Cautions
General Cautions • ALWAYS wear eye and skin protection when working with refrigerants. Escaping refrigerant vapors will present a freezing danger. • ALWAYS turn the compressor OFF before connecting the instrument to an air conditioning system. • ALWAYS inspect the sample hose before each use. Replace the hose if it appears cracked, frayed, obstructed or fouled with oil. -
Page 6: Welcome
Thank you for purchasing the YELLOW JACKET 68940 Refrigerant Identifier. The YELLOW JACKET 68940 Refrigerant Identifier is the most advanced refrigerant analyzer ever designed for determining the purity of common gaseous refrigerants. It has many features to offer the user, which will be described in this manual. We recommend that all personnel who use this instrument read this manual to become more familiar with its proper operation. -
Page 7: Introduction And Overview
The YELLOW JACKET 68940 Refrigerant Analyzer provides a fast, easy and accurate means to determine refrigerant purity in refrigerant storage cylinders or directly in air conditioning systems. -
Page 8: Features
Features The YELLOW JACKET 68940 Refrigerant Analyzer is the MOST advanced portable instrument ever manufactured for determining the purity of gaseous refrigerants for the HVAC-R market. Features Include: • Advanced ergonomic design • Rugged rubberized hand grips • Large graphic display with on-screen instructions •... -
Page 9: Components
YELLOW JACKET 68940 Components Base Unit The YELLOW JACKET 68940 Refrigerant Analyzer base unit houses the Graphic Display, Infrared Bench, Electrical Connections, built in Lithium Iron Phosphate Battery and Printer Module. These components require no maintenance; therefore, there are no serviceable components internal to the instrument. -
Page 10: High Side Liquid Sample Hose
Hose Restrictor AC Power Adapter The YELLOW JACKET 68940 is powered via a Lithium Iron Phosphate battery. You can also power the unit via the 90-264 VAC, 50-60 Hz power transformer. This transformer is included with each unit and converts a standard 100-240VAC 50/60Hz wall outlet to 12VDC, 2.0A, which powers the device. -
Page 11: Control Panel
Control Panel The Control Panel serves as the main user interface. The Control Panel features three soft key buttons that change their function as the instrument changes modes. The current function for each button is displayed above the Soft Key Buttons on the LCD graphic display. Red and Green LED’s at the top of the Control Panel are used for visual status indications. -
Page 12: Hard Shell Stoarage/Carrying Case
Hard Shell Storage/Carrying Case 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 purpose and is not watertight. -
Page 14: Yellow Jacket 68940 Operation
PERATION First Use The YELLOW JACKET 68940 has a built in Lithium Iron Phosphate battery. Prior to first use charge the battery for a minimum of 2 hours with the included AC Power Supply. If a power outlet is accessible you may also use the AC Power Supply to power the unit. The analyzer will function and charge the battery while the AC Power Supply is connected. -
Page 15: Calibration
Calibration The supplied sample hose needs to be connected to accomplish proper Calibration. Verify the Sampling Hose assembly is connected to the analyzer and making sure it is disconnected from any refrigerant source before Calibration. When you first turn the unit on an Air Calibration will be required;... -
Page 16: Vapor Sampling
Connect the hose to the tank or system, open the valve if connecting to a tank, and then press ‘TEST’. The YELLOW JACKET 68940 will display the screen shown in (Figure 8). Before the test is completed the screen in (Figure 8a) will appear to indicate the test is nearly complete. -
Page 17: Liquid Sampling
Brass Sample Hose Restrictor for each form of testing. Viewing the Test Results Upon completion of the test, the YELLOW JACKET 68940 will display a screen similar to that shown in (Figure 9). Pressing the ‘MORE’ button will display the screen shown in (Figure 10). -
Page 18: Contaminated Blend Refrigerants
Contaminated Refrigerants The YELLOW JACKET 68940 includes the ability to detect and analyze the composition of many common R400 Series refrigerants in addition to R22, R32, R134a and Hydrocarbons (HC). In the event that the YELLOW JACKET 68940 determines that the primary refrigerant in the system or cylinder is one of the measured refrigerants, the results will display as follows in (Figure 11). -
Page 19: Pure Blends With Incorrect Component Ratios
Pure Blends with Incorrect Component Ratios has the ability to detect blend ratios that have been altered by YELLOW JACKET 68940 contamination. As stated in section 2.8 Pure Refrigerants, the blends that can be Identified and Analyzed are R22, R32, R134a, Hydrocarbons (HC), R404A, R407C and R410A. If one of the multi-component refrigerant blends has incorrect component ratios, it will display as shown below in (Figure 17). -
Page 20: 2.11 Printing The Test Results & Channel Data
BACK DONE Figure 20 Figure 21 NOTE: Care must be taken when tearing off the printed results to leave a clean edge. Tear the paper from RIGHT to LEFT to avoid paper jams. 68940 68940 68940 Refrigerant Refrigerant Refrigerant Analyzer... -
Page 21: 2.12 Channel Data Modelling
2.12 Channel Data Modelling Channel Data Modelling is a unique feature to the YELLOW JACKET 68940. It allows the user to test refrigerants that the analyzer may not already identify and “fingerprint” the data using the available channels. The channel data is available for Identified and "Unknown Refrigerants."... -
Page 22: Maintenance & Troubleshooting
ROUBLESHOOTING Setting the LCD Contrast The YELLOW JACKET 68940 features an adjustable LCD contrast for use in varying light conditions. To adjust the contrast, press the ‘SET’ button which appears after the unit is powered on. The screen will display several options as shown in (Figure 27). Pressing the ‘SET’... -
Page 23: Replacing The Brass Sample Hose Restrictor
Changing the Printer Paper All YELLOW JACKET 68940 Refrigerant Analyzer is equipped with on-board printer that uses an inexpensive thermal paper for printing. The paper roll should be changed when a red stripe appears on the left side of the printout. -
Page 24: Software Update
The YELLOW JACKET 68940 has a USB update port located on the Back Panel Connections. This port should not be used for any other purpose other than to install factory updates. IF... -
Page 25: Low Battery Warning
If the “Error” message reappears, refer to the help screens on the instrument or contact our service department for assistance. Ritchie Engineering – YELLOW JACKET Products Division 10950 Hampshire Avenue South Bloomington, MN 55438, USA... -
Page 26: Appendices
APPENDICES Spare Parts List PART NUMBER DESCRIPTION 68948 Optional internal rechargeable battery kit with battery and 110V charger 68949 Optional 110/220V power adapter Thermal printer paper – 1 roll 68950 68977 In line identifier replacement filter 68978 R-12 replacement hose 68979 R-134a replacement hose 68994...
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