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Flue Gas Analyzer
712
Rev. 2.x Analyzers
TM
The Value Leader
www.tpi-thevalueleader.com
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Contents 1. Introduction 1. Introduction 2. General Overview Thank you for purchasing TPI brand products. The TPI 712 Flue Gas Analyzer is a state of the art, easy to use analyzer designed not only to 3. Instrument Overview display and calculate the required readings from a flue but also to 3.1 Front View cover most of the other measurements associated with combustion. 3.2 Back View The instrument is ruggedly constructed and comes with a 3 Year unit 3.3 Side Views and 2 Year sensor Guarantee. 3.
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General Overview (Continued) 3. Instrument Overview Never over saturate your sensors by performing tests on equipment with 3.1 Front View gas levels beyond the capability of you analyzer. Always keep the A762 water trap / filter assembly clean and replace the fil- ter as necessary. Replacement filter part number is A762F. This manual will guide you through the functions of the TPI 712 which will Rubber give you many years of reliable service. Boot LCD Your TPI 712 Flue Gas Analyzer comes complet
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3.2 Back View Scrolls through selectable fuels (see 3.1 & 4.1) Switches between Gross and Net Efficiency (see 5.3) Connection for Connections for Switches between ºC and ºF (see 5.3 & 6.1) Pressure Tubing Mini Pump Scrolls through mbar, kPa and inH2O (see 6.2) Protection Filter Moves up through the Stored Data Addresses (see 7, 8, 9) Increases data logging time intervals (see 10) Zeroes pressure reading (see 6.2) Sample and Calibration and Moves down through the Stored Data Addresses (see 7, 8,
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3.3 Side Views 3.4 Top View Exhaust Port Port for connection of Exhaust Adapter Charger Socket Exhaust Port T1 T2 P (+) P (-) Gas Sampling Port Infrared Window Rubber Boot Charger Socket Connection for 220V/115V charger (see 4.3) T1 Socket Connection for thermocouple plug on flue probe (see 5.2) Infrared Window Window for sending stored data to IR Printer or Connection for any 'K' type thermocouple probe PC (see 9 & 11) (see 6.1) Rubber Boot Protects the instrument from accidental damage T2
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4.2 Turning Off 4. Turning On & Off and Charging Always: - Before turning off return the instrument to a clean air environment and 4.1 Turning On allow the Carbon Monoxide level to return to below 15ppm and the Oxygen level to return to 20.9% (± 0.3%) Press the Power Key to turn the instrument off:- Always: - Before turning on please ensure that the Mini Pump Protection Filter NOTE Should you attempt to turn the instrument Off and the CO reading is above assembly and the Temperature Sampling Pro
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5. COMBUSTION ANALYSIS COMBUSTION ANALYSIS (Continued) 5.1 Overview 5.2 Procedure 1. Turn the 712 on as outlined in section 4.1. At any time you can activate the Testing for carbon monoxide, oxygen, and stack temperature is very important to Backlight by holding down the Func/Backlight Key for 2 seconds. The back- the overall safety and efficiency of heating equipment. The following guidelines light will automatically shut off after 20 seconds to preserve battery life. and descriptions are gener
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COMBUSTION ANALYSIS (Continued) COMBUSTION ANALYSIS (Continued) 4. As seen below, use the Scroll/Enter Key to move through the various com- 5.3 Combustion Displays (continued) bustion displays. Combustion Display 4 5.3 Combustion Displays Displays CO air free (-CF-) You can move through the following Combustion Analysis Screens by repeat- edly pressing Scroll/Enter: Combustion Display 5 Combustion Display 1 (Default Start Up Display) Displays Temperature reading of Channel 1 (T1) D
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COMBUSTION ANALYSIS (Continued) COMBUSTION ANALYSIS (Continued) 5.4 TYPICAL TEST LOCATIONS Atmospheric Gas Fired Fan Assist Boiler / Furnace Condensing Boiler / Furnace Typical Test Locations Typical Test Locations Figure 1 Figure 2
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COMBUSTION ANALYSIS (Continued) COMBUSTION ANALYSIS (Continued) 5.5 TYPICAL TEST RESULTS Actual test results vary depending on the equip- Atmospheric Forced Air Furnace ment under test. TPI recommends you check with the manufacturer of the equipment being tested to Typical Test Locations determine specific acceptable results. Power Burners (Gas Fired) Oxygen 3% to 6% Carbon Monoxide Less than 100ppm (air free) Stack Temperature 300°F to 500°F Draft -0.15 inH2O Power Burners (Oil Fired) Oxygen 4%
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6. FUNCTION SELECTION 6.2 Function 2: - Manometer Pressing the Func Key enables access to the different functions available on Press the Func Key repeatedly to access the thermometer function. In this the 712. Available functions are: Combustion Analyzer, Thermometer, mode the 712 functions like a differential manometer. The pump will stop Manometer, and Date / Time display. running when in this function. 1. Ensure you have 6.1 Function 1: - Thermometer The pressure function Function Display 2
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6.4 Function 4: - Date/Time 6.3 Function 3: - Combustible Gas Leak Detection Press the Func Key repeatedly to access the date/time screen. From this func- Press the Func Key repeatedly until the 25 second countdown screen is tion Time, Date and Year can be changed. reached. The 712 will countdown from 25 then ‘O Leak’ will be displayed. In this mode the 712 functions like a combustible gas leak detector. Function Display 4 (Date / Time) The Leak function Function Display 3 (Leak Detection) Time
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7. SAVING DATA 8. RECALLING DATA 1. Press the Recall Key once During testing, data can be stored for later retrieval by following these steps: 'Addr' will be displayed on the top line along with 'SA ' and a location number from 0 to 9 will be flashing on the screen. Select the required 1. Press the Store/Logger Key once address location that you wish to save the data to by pressing the Up and 'Addr' will be displayed on the top line along with 'SA ' and a location number Down Arrow Keys from 0 t
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9. PRINTING DATA 10. LOGGING DATA WARNING: - To operate correctly there must be a clear line of sight between 1. Press and hold down the Store/Logger Key for approximately 2 seconds the Infrared Window on the instrument (see 3.3) and the Infrared Window on 'S-t' will be displayed with '05 S' flashing indicating that the instrument the IR Printer (see Printer instructions). Place the printer so it is no closer will log a set of 100 readings every 5 seconds. than approximately 6 inches from the an
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11. COMMUNICATING TO A PC COMMUNICATING TO A PC (Continued) This function requires the optional A767 IrDA Adapter. Please 5. To return to normal operation press and hold the Print/Comm Key refer to the A767 manual for complete instructions on using the until a beep is heard and ‘COMM’ is no longer displayed. adapter. Optional software part number A772 is available for use with MICROSOFT ® WINDOWS or communication can be per Requests for stored and real data can be made from the PC through f
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Appendix B: CALIBRATION & SERVICE Appendix A : SPECIFICATIONS (Continued) It is recommended that the instrument be calibrated every 12 months. Please Flue Temperature Probe consult Test Products International for further details. Construction Pistol Grip with Stainless Steel Shaft Hose Length 2500mm The following are consumable parts for the instrument: Insertion Length 200mm 'K' Type Thermocouple Accuracy +/- 0.3%, +/- 1°C In-Line Filter Element (pkg of 5) User Replaceable A762F Maximum Tempe
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Appendix D: INSTALLING THE OPTIONAL A773 OIL FILTER Appendix E: ERROR CODES & TROUBLESHOOTING The 712 analyzer will display certain codes to let you know of a malfunction. When performing combustion tests on oil fired equipment it is important to use the optional A773 oil filter to ensure stable readings. The A773 does not have to Code Code Definition Possible Causes Corrective Action Displayed be removed when working with other types of fuels. Pump not drawing sample at Blockage / kink in flue
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Appendix E: ERROR CODES & TROUBLESHOOTING (Continued) Appendix F: CO ALARM & AUTO OFF SETTINGS Problem Possible Cause Corrective Action Setting the Carbon Monoxide Alarm Point and/or Auto Power Off Mode Efficiency reading incorrect NET efficiency selected. Select GROSS efficiency. See section 5.3. The CO alarm and auto power off settings can be changed as necessary by per- forming the following procedure. Ambient temperature probe Plug ambient probe into T2. not plugged in to T2. See section 5.2
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Appendix G: MANUALLY INITIALIZING SENSORS Notes: Manually Initializing the Carbon Monoxide and Oxygen Sensors If the CO or O2 sensor fails to initialize, this procedure can be performed to try and manually initialize the sensor(s). WARNING : Changing parameters in field calibration mode can adversely affect the operation of your analyzer. Follow the instructions carefully. 1. Press and hold the Scroll/Enter Key down until ‘FILD CAL’ is displayed. The 712 will cycle through a 30 second countdown
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Notes: Notes:
