
MUA-PRC007-EN 3
Introduction
Installation is simple since the unit, (when shipping permits), is shipped as a complete package.
The burner is fully modulating, with a minimum firing rate of four percent of full input. This
characteristic results in just the right amount of heat under all operating conditions.
Industry Approval
ETL Labeling Requirements
A DFOA/DFIA unit can bear the ETL label if:
• The unit airflow is within the SCFM range shown in Tab l e 3 , p . 18 (DFIA) and Table 12, p. 33
(DFOA).
• The fuel is natural gas with a temperature rise not greater than 130°F or the fuel is LP and the
temperature rise not greater than 100°F.
• The motor is a single speed motor, or if the motor is a two speed motor, the burner will operate
in only one of the two speeds (high or low speed).
• Unit components are standard (there are exceptions to this).
• If the unit has return air, the unit must have a mixing box with the AdaptAire airflow station.
Maximum Emission Levels:
• If the unit has an ETL label, the maximum levels of the products of combustion meet
ANSI Z83.18 which are:
• Carbon Dioxide 4000 ppm
• Carbon Monoxide 5 ppm
• Aliphatic Aldehydes 1 ppm
• Nitrogen Dioxide 0.50 ppm
CETL Labeling Requirements (Canada)
A DFOA/DFIA unit will have a CETL label if the unit meets the first five items of “ETL Labeling
Requirements” (above), AND the unit does not have return air.
Trademarks
Trane and the Trane logo are trademarks of Trane in the United States and other countries. All
trademarks referenced in this document are the trademarks of their respective owners.
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