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Summary of Contents for UEi Smart Bell PLUS
- Page 1 Instruction Manual PlUS mart Combustion Meter o m b u s t i o n a d e a s y...
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Page 2: Table Of Contents
Changing Particle Filter ..............3 Battery Replacement ................ 4 Electromagnetic Compatibility ............4 Combustion Information Why test with the Smart Bell PLUS? ..........5 Acceptible Results ................6 Combustion Basics ................7 Ideal vs. Real World Combustion ............ 8 Perfect Combustion Chart ..............9 Measurment Terms ................. -
Page 3: Getting Started
OWNERS MANUAL & MAINTENANCE afety oteS Before using this meter, read all safety information carefully. In this manual the word “WARNING” is used to indicate conditions or actions that may pose physical hazards to the user. The word “CAUTION” is used to indicate conditions or actions that may damage this instrument. -
Page 4: Analyzer Connections
Nalyzer oNNectioNS NOTE: Take care when inserting the temperature probes as the pins are polarized. Insert with the smaller pin into input marked positive. (+) WARNING! Turning the pump off while the probe is in the flue will leave toxic gases inside the analyzer. Once data has been read, it is advisable to purge the unit with fresh air as soon as possible. -
Page 5: General Maintenance
eNeral aiNteNaNce • Check calibration of your instrument annually to ensure it meets original performance specifications • Keep your instrument dry. If it gets wet, wipe dry immediately. Liquids can degrade electronic circuits • Whenever practical, keep the instrument away from dust and dirt that can cause premature wear • Although your instrument is built to withstand the rigors of daily use, it can be damaged by severe impacts. Use reasonable caution when using and storing the meter eriodic ervice WARNING! Repair and service of this instrument is to be performed by qualified personnel only. Improper repair or service could result in physical degradation of the instrument. This could alter the protection from personal injury this meter provides to the operator. Perform only those maintenance tasks that you are qualified to do. -
Page 6: Battery Replacement
Since there are many electrical products in use that pre-date this Directive and may emit electromagnetic radiation in excess of the standards defined in the Directive there may be occasions where it would be appropriate to check the analyzer prior to use. The following procedure should be adopted. • Go through the normal start up sequence in the location where the equipment is to be used • Switch on all localized electrical equipment that might be capable of causing interference • Check that all readings are as expected (a level of disturbance in the readings is acceptable) • If not, adjust the position of the instrument to minimize interference or switch off, if possible, the offending equipment for the duration of the test At the time of writing this manual (September 2011) UEi is not aware of any field based situation where such interference has ever occurred and this advice is only given to satisfy the requirements of the Directive. -
Page 7: Why Test With The Smart Bell Plus
• The UEi S mart Readings change in real-time as adjustments are made to help zero in on the proper setting. Compare this to spot tests or other methods, and you will see your productivity rise. -
Page 8: Acceptible Results
WHAT RESULTS ARE GENERALLY ACCEPTABLE tmoSpheric ired urNerS • Oxygen ....................6.8 to 7.9% O2 • Stack Temperature ................325 to 500°F • Draft (Water Column Inches) ..............-.02 to -.04wc” • Carbon Monoxide (parts per million) ........... <100ppm ired ower urNerS • Oxygen ....................8.5to 10.2% O2 • Stack Temperature ................275 to 500°F • Stack Draft (Water Column Inches) ............-.02 to -.04wc” • Overfire Draft (Water Column Inches) ..........-.02wc” • Carbon Monoxide (parts per million) ........... <100ppm (#2 o ired... -
Page 9: Combustion Basics
COMBUSTION BASICS NtroductioN UEi combustion analyzers provide real time data that provides information on the condition of the combus- tion process of your equipment. This information is needed for proper setup and maintenance to verify proper operation. Benefits of combustion analysis are to increase efficiency thus reducing fuel costs, verification of proper combustion to reduce future problems, and to check for safe operation. A combustion process out of balance can increase maintenance needs, create excess emissions, lead to safety concerns or waste fuel and money. -
Page 10: Ideal Vs. Real World Combustion
deal omBuStioN This is When we burn pure hydro- in the air. Our atmosphere is 20.9% oxygen with the remaining 79.1% nitrogen. This is nearly as desirable as the example for ideal combustion with the only added loss being heat that is carried away from your target with the nitrogen. Because nitrogen isn’t part of combustion process, it enters the combustion chamber at the inlet temperature and leaves with some of the heat created by the combus- tion. -
Page 11: Perfect Combustion Chart
erfect omBuStioN The term perfect combustion is also called stoichiometric combustion. This is the point where all of the fuel is burned with all the oxygen, leaving no undesirable byproducts. At this point all of the hydrogen in the fuel (H2) would combine with oxygen to form H2O, all of the carbon (C) would combine to form CO2, and all of the sulfur (S) would form SO2. There would be no additional air to carry heat away from the fire, and no undesirable byproducts would be created. In practice this isn’t possible due to the inability to completely mix the fuel and air, so an additional amount of air is used to completely burn the fuel. The chart in figure 4 illustrates the relationship between the main flue gas components that provide an indication of the performance of the combustion process. As you move left to right you are going from a rich to lean condition. The term Air rich is equivalent to fuel lean, and simply indicates a situation where the excess air is much higher. -
Page 12: Measurment Terms
As an example you would measure the CO2 level and the stack temperature and then reference a slide scale that would give you the relative efficiency number. UEi’s electronic combustion analyzers perform the measurements on a continuous basis, and can calculate the efficiency as adjustments are being made. With this information you are able to provide a before and after comparison of the combustion equipment in relatively little time as part of normal servicing. -
Page 13: Glossary
GLOSSARY pluS elector aNd iSplay arameterS mart “ZeRO” – Analyzer is performing the initial zero setting CO (Carbon Monoxide) – Direct reading of the carbon monoxide sensor displayed in p ercent- age (%) CO2 (Carbon Dioxide) – Direct reading of the carbon dioxide sensor displayed in parts per million (ppm) O2 (Oxygen) – O2 is calculated for each fuel type from the CO2 measurement. It assumes that the combustion process is running fuel lean. It is important to make other measurements to confirm that this assumption is always correct. X-Air (Excess Air) – Excess Air is calculated for each fuel type from the CO2 measure- ment. -
Page 14: Meter Problem Solving
METER PROBLEM SOLVING If any problems are not solved with these solutions, contact us or an authorized repair center. Fault symptom Causes / Solutions CO or CO2 too low • Air leaking into probe, tubing, water trap or connectors. CO2 reading (- - - -) •... -
Page 15: Meter Specifications
meter SpecificatioNS (NOTE MAY BE SUBJECT TO CHANGE) arameter eSolutioN ccuracy aNGe easureMent ±5 <100 0-1999 arbon onoxide ±5% >100 0.1% ±0.2% 0-30% arbon ioxide reading 0.1% ±0.3% 0-21% xygen reading alCulations 0.1% ±1.0% 0-99.9% ffiCienCy reading 0.1% ±0.2% 0-250% xCess easureMent 1.0 ˚f... -
Page 16: Warranty
C A N A D A : 1 - 8 7 7 - 4 7 5 - 0 6 4 8 • F a x : 6 0 4 . 2 7 8 . 8 2 9 9 W W W . U E i T E S T . C O M COPYRIGHT © 2011 UEi. Smart Bell PLUS Combustion Meter™ is a trademark of UEi. Z 8/11 18323??