Fyrite Tech ® Model 50 & 60 Combustion Gas Analyzer Instruction 0024-9428 Operation & Maintenance Rev.
WARRANTY Bacharach, Inc. warrants to Buyer that at the time of delivery this Product will be free from defects in material and manufacture and will conform substantially to Bacharach Inc.’s applicable specifications. Bacharach’s liability and Buyer’s remedy under this warranty are limited to the repair or replacement, at Bacharach’s option, of this Product or parts thereof returned to Seller at the factory of manufacture and shown to Bacharach Inc.
Fyrite Tech Contents Ordering Information............................................................................... iii 1.0 INTRODUCTION ..................................................................................1 1.1 The Fyrite Tech ................................................................................ 1 1.2 Operation Overview ......................................................................... 2 2.0 TECHNICAL CHARACTERISTICS...................................................
Fyrite Tech 4.8 Screen Descriptions ....................................................................... 22 4.8.1 Warm-Up Screens................................................................ 22 4.8.2 Fuel Screen .......................................................................... 22 4.8.3 O2 Screen (Model 50 only) ................................................... 23 4.8.4 CO & O2 Screen (Model 60 only)......................................... 23 4.8.5 CO Air Free Screen (Model 60 only) ......
Fyrite Tech Ordering Information Model No. Part No.
Fyrite Tech Notes: iv Instruction 0024-9435
Fyrite Tech 1.0 INTRODUCTION 1.1 The Fyrite Tech Available in two models, the Fyrite Tech 50 and 60 are hand-held analyzers that are designed to calculate the efficiency of residential furnaces and combustion appliances by measuring the stack temperature and the percent oxygen level in the flue-gas stream.
Fyrite Tech 1.2 Operation Overview Pressing the I/O button turns the analyzer ON. Note that there is a 60 second warm-up period which must elapse before the analyzer can be used. After warm-up is complete, choose the fuel code that corresponds to the fuel being burned by the appliance being tested. Then press the ENTER button to place the analyzer into its Run Mode and begin the combustion testing process.
Fyrite Tech 2.0 TECHNICAL CHARACTERISTICS The Analyzer Directly Measures and Displays: • Flue Gas O2 content ..................................... 0.0 to 20.9% O2 • Stack Temperature ....................................... 0 to 999 °F (–18 to 537 °C) • Ambient Temperature .................................. 32 to 212 °F (0 to 100 °C) • Flue Gas CO content (Model 60) ................. 0 to 2,000 ppm CO The Analyzer Computes and Displays: (when the measured oxygen level is below 17.
Fyrite Tech Display .......................................................4 Digit, 2 Line, 7-segment Liquid Crystal Display Front Panel Controls ..............................Six pushbutton switches (Refer to Section 3.4) Accuracy: • Oxygen....................................................±0.3% O2 w/typical flue gas concentration of CO2 • Carbon Monoxide (Model 60) ................±5% of reading or ±10 ppm, whichever is greater* • Stack Temperature ................................
Fyrite Tech 3.0 SETTING UP THE ANALYZER 3.1 Scope Before using the analyzer. . . • Check batteries (Section 3.2) • Connect probe to analyzer (Section 3.3) • Check setup (Section 3.5) 3.2 Checking & Replacing the Batteries Install fresh batteries as described below. Check the analyzer for sufficient charge prior to each use. Replace the batteries if the low-battery symbol appears in the lower right corner of the screen. To replace the batteries: 1. Remove battery cover from back of analyzer. 2.
Fyrite Tech 3.3 Connecting the Probe Connect the probe assembly’s flue-gas hose and thermocouple connector to the analyzer as follows (see Figure 3-2): 1. Push the flue gas hose onto the analyzer’s GAS inlet fitting. 2. Push the flue gas thermocouple into the T-STACK jack Important: DO NOT force thermocouple connector. The connection tabs are different sizes, allowing the connector to fit in only one way. Inspect the flue-gas hose for cracks. Replace the hose if it is defective.
Fyrite Tech T-STACK GAS THERMOCOUPLE PROBE STOP (Optional) WATER TRAP / FILTER ASSEMBLY Figure 3-2.
Fyrite Tech 3.4 Front Panel Pushbuttons Note that a pushbutton may perform several functions, depending on what screen is being displayed at the time. I/O • Turns analyzer ON/OFF. There is a 60 second warm-up and a 5 second turn-off-delay period. • Places the analyzer into either its Setup or Calibration Mode when used in conjunction with the ENTER or HOLD button. • Aborts the CO purge function during turn-off. • Scrolls up through the display screens during a test.
Fyrite Tech 3.5 Setup Mode The analyzer is preset at the factory for the parameters shown below, but can be changed as described in their associated sections. Function Parameter To Change Fuel Temperature Unit CO Channel Clock Printer Protocol Natural Gas (F1) °F Auto Zero (A2) Not initialized IrDA Section 4.1.2 Section 3.5.2 Section 3.5.3 Section 3.5.4 thru 3.5.6 Section 3.5.7 3.5.1 Entering Setup 1. With the analyzer turned OFF, press and hold down the HOLD button. 2. Press the I/O button. 3.
Fyrite Tech 3.5.3 CO Channel Setup (Model 60 only) The CO Channel Setup Screen is labeled “CO.” 1. If not already done, enter Setup per Section 3.5.1. Repeatedly press ENTER until CO Channel Setup Screen is displayed. 2. Press the or button until the desired parameter is displayed. - no Sensor disabled. Use this function to turn off the CO channel if the sensor is missing or known to be bad to avoid inaccurate CO readings from appearing. - 2Ero Manual Zero.
Fyrite Tech 1. If not already done, enter Setup per Section 3.5.1. Repeatedly press ENTER until the first Time Setup Screen is displayed - the one with two bars over the hour digits. 2. Press the or button until the correct hour value is displayed. 3. Press ENTER to move the selection bars over the minute digits. 4. Press the or button until the correct minute value is displayed. 5. Press ENTER to move to next Setup Screen, or press I/O to exit setup. 3.5.
Fyrite Tech 1. If not already done, enter Setup per Section 3.5.1. Repeatedly press ENTER until the Year Setup Screen is displayed. 2. Press the or button until the correct year is displayed. 3. Press ENTER to move to next Setup Screen, or press I/O to exit setup. 3.5.7 Selecting Printer Protocol (Model 60 only) The analyzer can be set up for either an HP or IrDA type printer. 1. If not already done, enter Setup per Section 3.5.1. Repeatedly press ENTER until one of the following screens is displayed.
Fyrite Tech 4.0 OPERATION 4.1 Performing a Test 4.1.1 Analyzer Turn On and Warm Up Important: The probe must be at room temperature before performing the following steps. The temperature measured by the probe during warm up is the combustion-air temperature used by the analyzer for efficiency calculation purposes. 1. Make sure that the analyzer is properly set up per Section 3.0. 2. During warm-up, the analyzer’s probe must be located in the area containing the burner’s combustion-air supply.
Fyrite Tech 4.1.4 Sampling Point Forced Air Furnace – When testing atmospheric burner or gravity vented, forced air heating equipment with a clamshell or sectional heat exchanger design, test each of the exhaust ports at the top of the heat exchanger. The probe should be inserted back into each of the exhaust ports to obtain a flue gas sample, before any dilution air is mixed in.
Fyrite Tech 80% Eff. Fan Assist or Power Vented Furnace/Boiler 90% Eff.
Fyrite Tech 4.1.5 Performing a Combustion Efficiency Test 1. After turning ON the analyzer and selecting the appropriate fuel, press the and button until the Stack Temperature & Efficiency Screen (refer to Section 4.8.7) is displayed. 2. Position the probe in the flue-gas stream to obtain the hottest "STACK" reading. Locating the highest stack temperature is very important for accurate efficiency calculations. 3. You can now begin burner-service procedures.
Fyrite Tech BACHARACH, INC.
Fyrite Tech 4.1.7 Ending a Combustion Test WARNING! Burn Hazard. Do not touch the probe after removing it from the stack. Allow the probe to cool before handling (about 5 minutes). 1. Remove probe from flue-gas stream. 2. Allow the pump to run until all combustion gases are flushed from the analyzer as indicated by the O2 reading returning to 20.9%. 4.1.8 Turning OFF the Analyzer After the analyzer has been purged with fresh air, turn it OFF by pressing the I/O button.
Fyrite Tech 4.3 Operating Tips • When an analyzer is brought in from a cold vehicle, let it warm up slowly to minimize condensation. Temperatures below freezing will not damage the analyzer; however, bringing a cold analyzer into a warm humid environment may cause condensate to form inside the case. • If the CO channel (Fyrite Tech 60) is set up for Auto Zero (refer to Section 3.5.3), ensure that the analyzer is sampling fresh air when turned ON.
Fyrite Tech 4.4 Using the Backlight The LCD can be read in dimly-lit areas by pressing the LIGHT button. The backlight automatically turns OFF after 10 minutes of keyboard inactivity, but can be turned OFF at any time by again pressing the LIGHT button. 4.5 Using the Probe A rigid stainless steel probe with handle, connected to a flexible hose with integral water-trap / filter can be used to draw a gas sample into the analyzer from the room, grilles, diffusers, and furnace flues.
Fyrite Tech 4.7 Run Mode Screens The following diagrams show the order in which the screens are displayed by pressing the and buttons while in the Run Mode. Fyrite Tech 50 Fyrite Tech 60 FUEL F1 ENTER F1 9 46 CO ppm % . O2 F1 ppm CO 12 AIR FREE AMBIENT F1 . 752 °F STACK F1 EFF 500 . 787 °F % F1 CO2 . 92 .
Fyrite Tech 4.8 Screen Descriptions 4.8.1 Warm-Up Screens As soon as the analyzer is turned ON, a series of Warm-Up Screens are displayed. These screens show the analyzer’s model number (Tech 50 or Tech 60), the unit’s software revision, and finally the remaining warm-up time counted down from 60 seconds. At the end of warm-up, the analyzer displays the Fuel Screen (refer to Section 4.8.2). Note: If any errors were detected during warm-up, the Sensor Error Screen is displayed (refer to Section 4.8.9). 4.
Fyrite Tech 4.8.3 O2 Screen (Model 50 only) The O2 display is the measured percentage of oxygen present in the fluegas stream. Front Panel Button Functions: / – Scrol through Run Mode Screens (refer to Section 4.7) ENTER – Hold for 2 seconds to display Fuel Screen HOLD – Freezes display (press ENTER to unfreeze) LIGHT – Toggles backlight ON/OFF I/O – Turns analyzer OFF (with a 5 second delay) 4.8.
Fyrite Tech 4.8.5 CO Air Free Screen (Model 60 only) The CO AIR FREE reading is a calculation of the exact ppm concentration of carbon monoxide if oxygen were 0.0% in accordance with ANSI standard Z21.1. CO x 20.9 CO Air Free = 20.9 – O2measured Front Panel Button Functions: / – Scroll through Run Mode Screens (refer to Section 4.
Fyrite Tech 4.8.7 Stack Temperature & Efficiency Screen The STACK display is the temperature measured at the tip of the probe. The EFF (Efficiency) reading is a calculation of what percentage of energy present in the fuel was converted into usable heat. Front Panel Button Functions: / – Scroll through Run Mode Screens (refer to Section 4.
Fyrite Tech 4.8.9 Sensor Error Screen An O2 sensor error is displayed if the analyzer determines during the warm-up cycle that the oxygen sensor’s output is too low for it to be usable. However, in the extreme condition when the O2 sensor has no output, a sensor error will not occur. Instead, the O2 reading will be 0.0 as displayed in the O2 Screen (Model 50) or the CO & O2 Screen (Model 60). When the CO channel (Model 60 only) is set up for Auto Zero (refer to Section 3.5.
Fyrite Tech 5.0 CALIBRATION & MAINTENANCE Important: Fresh batteries should be installed, and the unit allowed to stabilize at room temperature for at least two hours before proceeding with calibration. To maintain accuracy as listed in the Technical Characteristics Section of this manual, the standards used must be at least four times as accurate as stated accuracy of the Fyrite Tech. 5.1 Entering the Calibration Mode and Testing the Display Segments 1.
Fyrite Tech 5.2 Ambient Temperature Calibration Material Required: Calibrated Thermometer Procedure: 1. Enter the Calibration Mode as described in Section 5.1. Observe that "AMBIENT" is displayed at the top of the display; if not, repeatedly press ENTER until it appears. 2. Use the and buttons to set the displayed value to match the reading of a calibrated thermometer at room temperature. 3.
Fyrite Tech 3. Set the simulator to 32 °F (0 °C). Then use the and buttons to set the displayed value to match the simulator’s value. 4. Set the simulator to 572 °F (300 °C). Then use the and buttons to adjust the displayed value to match simulator’s value. 5. Repeat Steps 3 and 4 as necessary until the analyzer is reading correctly at both temperatures. 6.
Fyrite Tech 6. After the analyzer has stabilized (2 to 3 minutes), use the buttons to set the displayed value to 0.0%. and 7. Disconnect tubing from analyzer and turn off gas flow. 8. Allow the pump to run until the O2 reading returns to 20.9. If necessary, use the and buttons to readjust the reading to 20.9. Repeat Steps 3 thru 7 to verify the zero adjustment. 9.
Fyrite Tech 4. Do one of the following: a. End this procedure and save the new zero value by holding down the ENTER button for 2 seconds; after which, the analyzer enters the Run Mode. b. Continue with Step 5 to span the CO sensor to a known concentration of carbon monoxide. 5. Set up the Calibration Kit with 100 or 500 ppm CO as described in the instructions supplied with the kit. 6. Connect the tubing of the Calibration Kit to the inlet of the analyzer.
Fyrite Tech 5.6 Water Trap / Filter Maintenance The Water Trap / Filter Assembly removes water condensate from the gas sample, and also prevents soot from contaminating the internal components of the analyzer. Drain the water condensate after every test. Procedure: 1. Pull apart the Water Trap / Filter assembly (see Figure 5-2). 2. Pour out all water condensate. Then reassemble the trap. Replace the Filter Element when dirty.
Fyrite Tech O2 Sensor Replacement Be sure to perform all of the hecks listed in Section 4.8.9 to ensure that the O2 sensor needs to be replaced. Procedure: 1. Disassemble the analyzer as follows: a. Remove the battery cover and the batteries, uncovering one of the cover hold-down screw. b. Remove and set aside all four cover hold-down screws. c. With the analyzer on its back, remove the front cover, laying it face down to the left of the body. d. Remove the battery connector from top of circuit board.
Fyrite Tech 5.8 CO Sensor Replacement (Model 60 only) Be sure to perform all of the checks listed in Section 4.8.9 to ensure that the CO sensor needs to be replaced. Material Required: • CO Sensor, P/N 0024-7265 • CO Sensor Gasket, P/N 0024-1112 • #1 Phillips Screwdriver Procedure: 1. Disassemble the analyzer as follows: a. Remove the battery cover and the batteries, uncovering one of the cover hold-down screw. b. Remove and set aside all four cover hold-down screws. c.
Fyrite Tech 5.9 Pump Assembly Replacement Material Required: • CO Sensor, P/N 0024-7265 • #1 Phillips Screwdriver Procedure: 1. Disassemble the analyzer as follows: a. Remove the battery cover and the batteries, uncovering one of the cover hold-down screw. b. Remove and set aside all four cover hold-down screws. c. With the analyzer on its back, remove the front cover, laying it face down to the left of the body. d. Remove the battery connector from top of circuit board.
Fyrite Tech CO SENSOR GASKET OXYGEN SENSOR & SOCKET PUMP HOLD DOWN CLAMP Figure 5-3.
Fyrite Tech To BATTERY (RED WIRE) CO SENSOR (RED WIRE) (RED WIRE) To OXYGEN SENSOR To PUMP T-STACK Figure 5-4.
Fyrite Tech 6.0 PARTS & SERVICE 6.1 Replacement Parts Description Part No. Carbon Monoxide Sensor (Model 60 only) ...................................... 0024-7265 Carbon Monoxide Sensor Gasket (Model 60 only) ..........................0024-1112 Oxygen Sensor w/ Gasket ............................................................... 0024-8106 Oxygen Sensor Gasket ..................................................................... 0024-1111 Pump Assembly .....................................................
Fyrite Tech 6.3 Service Centers Replacement parts and service can be obtained by contacting one of the following Bacharach Service Centers: United States Bacharach Inc. 621 Hunt Valley Circle New Kensington, PA 15068 Phone: 724-334-5051 Fax: 724-334-5723 Email: help@mybacharach.com Canada Bacharach of Canada, Inc. 20 Amber St. Unit #7 Markham, Ontario L3R SP4 Canada Phone: 905-470-8985 Fax: 905-470-8963 Email: bachcan@idirect.
Fyrite Tech Notes: 40 Instruction 0024-9435
Fyrite Tech Notes: Instruction 0024-9435 41
World Headquarters 621 Hunt Valley Circle, New Kensington, PA 15068 Ph: 724-334-5000 • Fax: 724-334-5001 • Toll Free: 800-736-4666 Website: www.mybacharach.com • E-mail: help@mybacharach.com Printed in U.S.A.