Parallel Positioning and O2 Trim -- Increase Efficiency and Optimize Fuel-to-Air Ratio

Summary

Parallel positioning controls help a burner to optimize its fuel-to-air ratio by using dedicated motorized actuators for the fuel and air valves. These parallel positioning controls directly tie into the electronic firing rate control, enabling more efficient and consistent performance. Adding O2 trim helps minimize excess air and keeps the burner from going excessively rich, which leads to inefficient combustion. Among the other benefits:

• Parallel positioning saves up to 3% in fuel costs by eliminating hysteresis
• O2 trim increases efficiency by up to 2%
• Variable speed drive can help save as much as 40% in electrical costs

 

Level - Intermediate

Presenter

Jonathan Stoeger
Inside Sales and Applications Manager
Cleaver-Brooks

 

 

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