Flue Gas Analyzer 712 Rev. 2.x Analyzers The Value Leader www.tpi-thevalueleader.
Contents 1. Introduction 2. General Overview 3. 3.1 3.2 3.3 3.4 Instrument Overview Front View Back View Side Views Top View 4. 4.1 4.2 4.3 4.4 Turning On & Off and Charging Turning On Turning Off Charging Activating The Backlight 5. 5.1 5.2 5.3 5.4 5.5 Combustion Analysis Overview Procedure Combustion Displays Typical Test Locations Typical Test Results 6. 6.1 6.2 6.3 6.4 6.
General Overview (Continued) Never over saturate your sensors by performing tests on equipment with gas levels beyond the capability of you analyzer. 3. Instrument Overview 3.1 Front View Always keep the A762 water trap / filter assembly clean and replace the filter as necessary. Replacement filter part number is A762F. This manual will guide you through the functions of the TPI 712 which will give you many years of reliable service.
Scrolls through selectable fuels (see 3.1 & 4.1) Switches between Gross and Net Efficiency (see 5.3) Switches between ºC and ºF (see 5.3 & 6.1) Scrolls through mbar, kPa and inH2O (see 6.2) Moves up through the Stored Data Addresses (see 7, 8, 9) Increases data logging time intervals (see 10) Zeroes pressure reading (see 6.
3.3 Side Views Exhaust Port 3.4 Top View Port for connection of Exhaust Adapter Exhaust Port Charger Socket T2 T1 P (+) P (-) Gas Sampling Port Infrared Window Rubber Boot Infrared Window Window for sending stored data to IR Printer or PC (see 9 & 11) Rubber Boot Protects the instrument from accidental damage Charger Socket Connection for 220V/115V charger (see 4.3) T1 Socket Connection for thermocouple plug on flue probe (see 5.2) Connection for any 'K' type thermocouple probe (see 6.
4. Turning On & Off and Charging 4.1 Turning On Always: - Before turning on please ensure that the Mini Pump Protection Filter assembly and the Temperature Sampling Probe complete with In-Line Filter or the Tubing & In-Line Filter for Leak Detection are not connected to the Gas Sample Port (see 2.2 or 2.
5. COMBUSTION ANALYSIS 5.1 Overview Testing for carbon monoxide, oxygen, and stack temperature is very important to the overall safety and efficiency of heating equipment. The following guidelines and descriptions are generic and meant to provide you with a basic understanding of combustion testing. TPI always recommends you contact the manufacturer of the device under test, obtain information specific to the device, and follow the procedures and safety guidelines for performing tests and affecting repairs.
COMBUSTION ANALYSIS (Continued) 4. As seen below, use the Scroll/Enter Key to move through the various combustion displays. 5.3 Combustion Displays COMBUSTION ANALYSIS (Continued) 5.
COMBUSTION ANALYSIS (Continued) COMBUSTION ANALYSIS (Continued) 5.
COMBUSTION ANALYSIS (Continued) COMBUSTION ANALYSIS (Continued) 5.5 TYPICAL TEST RESULTS Atmospheric Forced Air Furnace Typical Test Locations Actual test results vary depending on the equipment under test. TPI recommends you check with the manufacturer of the equipment being tested to 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.
6. FUNCTION SELECTION 6.2 Function 2: - Manometer Pressing the Func Key enables access to the different functions available on the 712. Available functions are: Combustion Analyzer, Thermometer, Manometer, and Date / Time display. 6.1 Function 1: - Thermometer Press the Func Key repeatedly to access the thermometer function. In this mode the 712 functions like a K-Type thermocouple thermometer. The pump will stop running when in this function.
6.3 Function 3: - Combustible Gas Leak Detection Press the Func Key repeatedly until the 25 second countdown screen is 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. The Leak function allows you to perform combustible gas leak tests. Function Display 3 (Leak Detection) Combustible gas leak detection expressed as a leve from 0 to 3. See below. 1.
7. SAVING DATA During testing, data can be stored for later retrieval by following these steps: 1. Press the Store/Logger Key once '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 address location that you wish to save the data to by pressing the Up and Down Arrow Keys 2.
9. PRINTING DATA 10. LOGGING DATA WARNING: - To operate correctly there must be a clear line of sight between the Infrared Window on the instrument (see 3.3) and the Infrared Window on the IR Printer (see Printer instructions). Place the printer so it is no closer than approximately 6 inches from the analyzer. 1. Press and hold down the Store/Logger Key for approximately 2 seconds 'S-t' will be displayed with '05 S' flashing indicating that the instrument will log a set of 100 readings every 5 seconds.
11. COMMUNICATING TO A PC This function requires the optional A767 IrDA Adapter. Please refer to the A767 manual for complete instructions on using the adapter. Optional software part number A772 is available for use with MICROSOFT ® WINDOWS or communication can be per formed using MICROSOFT ® HYPER TERMINAL. USING MICROSOFT ® HYPER TERMINAL 1. Open MICROSOFT ® HYPER TERMINAL and set the COM port as follows: Baud: 9600 Data Bits: 8 Parity: None Stop Bit: 1 Flow Control: None 2.
Appendix A : SPECIFICATIONS (Continued) Flue Temperature Probe Construction Hose Length Insertion Length 'K' Type Thermocouple Accuracy Maximum Temperature Pistol Grip with Stainless Steel Shaft 2500mm 200mm +/- 0.3%, +/- 1°C 800°C Gases Oxygen Carbon Monoxide Range 0-25% 0-10,000 ppm Carbon Dioxide CO/CO2 Ratio Combustion Efficiency Gas Leak Sensor 0-25% 0-0.999 0-100% 20-10,000 ppm Resolution Accuracy 0.1% +/- 0.3% 1 ppm +/- 5 ppm or 5% Whichever is greater 0.1% Calculated 0.001 Calculated 0.
Appendix D: INSTALLING THE OPTIONAL A773 OIL FILTER 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 be removed when working with other types of fuels. PROCEDURE Appendix E: ERROR CODES & TROUBLESHOOTING The 712 analyzer will display certain codes to let you know of a malfunction.
Appendix E: ERROR CODES & TROUBLESHOOTING (Continued) Problem Efficiency reading incorrect Possible Cause NET efficiency selected. Corrective Action Select GROSS efficiency. See section 5.3. Ambient temperature probe not plugged in to T2. Plug ambient probe into T2. See section 5.2. Incorrect fuel selected. Select the proper fuel for the equipment being tested. See section 4.1. Readings are erratic when working on oil fired equipment. Oil filter not installed or installed incorrectly.
Appendix G: MANUALLY INITIALIZING SENSORS 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.
Notes: Notes:
Test Products International, Inc. 9615 SW Allen Blvd., Ste. 104 Beaverton, OR 97005 Tel: 503-520-9197 Fax: 503-520-1225 www.tpi-thevalueleader.com Test Products International, Ltd.
