Why and How of Combustion Analysis w/ Tyler Nelson
Nov 9, 2023
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Tyler Nelson, HVAC expert with over 20 years of experience, talks about the importance of combustion analysis for HVAC technicians. He highlights the risks of carbon monoxide, the need for analyzers to detect cracks in heat exchangers, and the benefits of using the Sauermann combustion analyzer and app. The podcast also discusses the evolving industry regulations, cross contamination, visual inspection, and diagnostic tools for combustion analysis in HVAC systems.
Combustion analysis is crucial for the safety and efficiency of fuel-fired appliances like furnaces and boilers, as it helps detect dangerous carbon monoxide levels.
Using a combustion analyzer during HVAC system commissioning ensures proper setup, adherence to industry guidelines, and reduces long-term liability.
Incorporating combustion analysis into regular maintenance and diagnostics of fuel-fired appliances prevents potential problems and provides comprehensive assessments of appliance performance.
Deep dives
The Importance of Combustion Analysis
Combustion analysis is crucial in the HVAC industry, especially with the increasing emphasis on green technologies. Properly diagnosing and tuning air conditioning systems requires the use of a manifold gauge and various probes to provide accurate data. However, when it comes to fuel-fired appliances like furnaces and boilers, the dangers of carbon monoxide (CO) make combustion analysis even more essential. Monitoring CO levels and other combustion components using an analyzer is crucial for ensuring the safety and efficiency of these systems.
The Role of Combustion Analysis in Commissioning
Using a combustion analyzer is vital during the commissioning process of HVAC systems. It enables technicians to set up the equipment correctly, following industry-specific guidelines, and ensures that it operates according to specifications. The analyzer helps adjust gas pressure, verify oxygen, carbon dioxide, and draft levels, and detect any issues that could affect the system's performance. By utilizing a combustion analyzer during commissioning, technicians can establish the system's long-term success and reduce liability.
Combustion Testing in Maintenance and Diagnostics
Regular maintenance and diagnostics of fuel-fired appliances also require the use of a combustion analyzer. Technicians can use the analyzer to assess the health of the system, check gas pressure, validate oxygen and carbon dioxide levels, and ensure that the draft is functioning correctly. Furthermore, the analyzer helps detect any changes or issues that may have arisen since the last visit, such as blocked flues or foreign materials in the system. By incorporating combustion analysis into maintenance and diagnostics, technicians can prevent potential problems and provide comprehensive assessments of appliance performance.
Importance of Using a Combustion Analyzer
Using a combustion analyzer is crucial for properly diagnosing and maintaining HVAC systems. It allows technicians to measure oxygen levels, identify cross contamination, and detect issues such as delayed ignition or leaky valves. The analyzer provides real-time data that helps technicians make accurate diagnoses and adjustments, leading to improved system functionality and efficiency. Additionally, using an analyzer helps technicians provide evidence-based explanations to customers, as they can generate comprehensive reports with readings, technician notes, and even pictures.
Benefits of Embracing Innovation in HVAC Diagnostics
Pairing traditional diagnostic methods with new innovations, such as combustion analyzers, can revolutionize HVAC diagnostics. Analyzers provide instant insights into system health, enabling technicians to identify and resolve problems quickly. From detecting overfired or underfired conditions to analyzing oxygen, CO, and CO2 levels, the analyzer provides valuable information that enhances diagnostic capabilities. It also offers a learning opportunity for technicians, allowing them to understand the interplay between different system components and make informed adjustments. Furthermore, the convenience and efficiency of modern analyzers, with features like wireless capabilities and comprehensive reporting, streamline the diagnostic process, making technicians more efficient and capable.
Bryan Orr interviews Tyler Nelson, an HVAC expert with over 20 years of experience as a contractor. They have an in-depth discussion about combustion analysis and why it is becoming increasingly important for HVAC technicians to utilize this process.
The conversation provides an overview of combustion analysis benefits and why HVAC pros should incorporate it into their standard operating procedures. Tyler offers insightful perspectives from his decades of contracting experience, including his knowledge of how field conditions vary and factory settings may not translate perfectly.
Carbon monoxide poses several dangers to customers and HVAC technicians. Tyler talks about CO poisoning risks and how analyzers can help detect issues. He also covers AHRI Guideline X for cracked heat exchanger testing and emphasizes the need to use combustion analyzers, not just visual inspection, to reliably detect cracks.
Tyler also demonstrates the use of the Sauermann combustion analyzer and mobile app. He highlights key features like replaceable sensors, app control and reporting, and programming for optimum CO sensor protection. He details how combustion analysis allows you to optimize setup, monitor equipment health, and troubleshoot issues.
Tyler and Bryan also discuss:
Why combustion analysis is critical for proper HVAC system installation, maintenance, and diagnostics
CO poisoning and risks to HVAC technicians
AHRI Guideline X
The role of combustion analysis in system commissioning, maintenance, and diagnostics
Sauermann combustion analyzer and mobile app
Advice for technicians to embrace innovations like analyzers while retaining old-school skills and knowledge