The Importance of Combustion Testing

1. Testo HVAC Distributor Training: The Importance of Combustion Testing

2. Agenda • Why Test? • What to Test? • Why Testo?

3. Why Test? • Safety / Liability • Efficiency • Appliance Operation / Longevity • Revenue / Cost Savings / Professionalism

4. Why Combustion Test: Safety • Carbon Monoxide (CO) can be lethal • Over 500 deaths / year; 15,000 ER visits/ year • CO originates from incomplete combustion • Reasons for the formation: • Fuel rich mixture • Improper venting • Cooling of the flame temperture

5. Carbon Monoxide Facts • Odorless • Colorless • Tasteless • Mixes well in air • Poisonous

6. Why Test: Efficiency • Combustion Efficiency = Fuel Savings • 1% increase in efficiency nets 1% fuel savings • Ensures the equipment is operating at optimal efficiency • Saves on both fuel and electricity usage • Customer expects the system to operate at stated efficiency • There is a difference between combustion efficiency and AFUE • Customer receives what they expect • Performance Verification

7. Why Test: Operation and Longevity • Heat Exchangers • Cracked HX investigation via O2 • - Monitor for changes in O2 when blower starts and stops • - Monitor O2 during ventilation air test as outlined in the Intl. Fuel Gas Code, Appendix D • Nether should affect furnace operation or the O2 reading!

8. Why Test: Revenue, Cost Reduction, & Professionalism • CO and Efficiency Tests can be billable services • Reduce Call Backs from improper installs or trouble-shooting • Prevent unnecessary warranty disputes • Professionalism of having the right tools for the job • Professionalism of being a solutions provider • You are providing safety, comfort, and savings • Without measurements you’re just guessing! • Differentiate the company and yourself • Offer something your competition doesn’t offer or • Offer it in a superior format

9. What to test… • Oxygen (%O2): primarily determines complete combustion • Carbon Dioxide (%CO2): the maximized value relative to efficiency and “ideal combustion”, but does not necessarily indicate complete combustion. • Carbon Monoxide (CO): lethal gas formed from incomplete combustion • Excess Air: Needed to show complete combustion, but high values indicate high heat stack loss – poor efficiency. • Efficiency: represents the total amount of heat available from the fuel minus the losses from the gasses going up the stack • Temperature (ambient and stack): Needed to determine efficiency • Draft pressure: Confirms the proper venting of combustibles out of the flue, an appliance has 5 minutes to prove draft under ANSI standards • Pressure: Confirmation or setting of gas pressures

10. Combustion Diagram – Stoichiometric Chart The ideal operating range is a setting with excess air. Incomplete Complete Eff. Flue gas components CO2 Ideal operating range of burners Stoichiometric line O2 CO smoke Excess Fuel Excess Air

11. Why Testo… • Largest manufacturer of Combustion Analyzers • 50+ years of portable instrumentation development & manufacturing experience • 100+ R&D Engineers • German/USA product development • Innovative new products • ISO 17025 Quality Standards

12. Why Choose a Testo Combustion Analyzer? • Get the job done right • Testo Analyzers deliver accuracy from the first measurement to the last • Self- check and on-board diagnostics • Built-in NOX filters standard on our CO sensors • Eliminates cross sensitivity errors that yield false high CO readings • More features for more jobs • Full featured analyzers provide all the measurements you need for commissioning and trouble-shooting • 30 second start-up • Fast response from high velocity hoses • Pre-calibrated, field replaceable sensors • Built to last • Expertise second to none

13. The Testo Family of Combustion Analyzers testo 330 LL: Extra long life sensors NOX upgradeable testo 320: Heavy Duty, Hi Definition Analyzer testo 310: Fully featured Residential Analyzer

14. testo 310: Fully Featured Residential Analyzer • O2, CO, Temp (amb & stack), Draft & Pressure • Efficiency, CO2, Ex Air, CO (amb & air free) • No Leak, Kink-free hose • 10 hour lithium battery • Backlit display • Wireless printing • $695: $920 w/printer

15. Testo 320 Heavy-duty, Hi-definition Combustion Analyzer • 8 line, color graphic display • Ultra-rugged housing • 500 reading memory with customer site info • Sensor diagnostics & monitoring • Self-service sensor kits • Wireless printing • Cam-lock, single line probe connection • Starting at $1,195

16. Testo 330 Long Life Combustion Analyzer • NOXupgradeable • Sensor over-range protection • 4-year sensor warranty • 500k readings memory • Industrial version to 8,000ppm CO • Intuitive graphic display • Additional probes choices • Starting at $2,495 w/printer

17. Testo’s 2014 Fall Promotion

18. Testo does a lot more than combustion! • Airflow • Vane, Hot-wire, & Pitot tube Anemometers • Humidity/ Moisture / IAQ • Meter, Loggers, Multi-function, and Transmitters • Pressure • Digital manometers and transmitters • Refrigeration • Digital Manifolds, Vacuum Gauges, and Leak Detectors • RPM, Light, & Sound • Temperature • Thermal Cameras, IR, Type K, NTC, and RTD

19. Thank You,for your time and efforts to promote Testo products