The method of heating staging used by the unit. Select ÒSingle StageÓ for units with single stage (on/off) control. Select ÒMultiple, Discrete StagesÓ for units with multiple discrete stages (low-fire / high-fire). Select ÒModulatingÓ for units which contain modulating burners.
|List Options||Option Definition||Unit of Measure|
|Single stage||Operated with single stage (on/off) control||None|
|Multiple discrete stages||Operated with multiple, discrete stages, discrete unloading stages, or with stepped speed motors that are controlled to operate at discrete stages||None|
|Variable||Operated at variable speeds or with modulating unloading||None|
|Modulating||Modulating burners are designed to control the burner output (size of flame) to match the boilers variable load requirements, during this process the burner is designed to stay at the correct fuel air ratios across the complete firing range ensuring maximum combustion and boiler efficiencies||None|
|Not applicable||Not applicable||None|
CSV or XML files containing information such as definition, unique ID, and URL for each BEDES Term or List Option can be downloaded by clicking the appropriate orange button. The downloaded file can then be processed offline. Note that the XML documents are simply a "flat file" of terms, not a structured schema.