What does OA stand for in ASHRAE 62.1 terminology?

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Prepare for the ASHRAE 62.1 Standards test with flashcards and multiple choice questions. Each question offers hints and explanations. Get ready for excellence!

Multiple Choice

What does OA stand for in ASHRAE 62.1 terminology?

Explanation:
Outdoor Air is the air drawn from outside the building and brought into the ventilation system to dilute indoor contaminants and meet the ventilation requirements in ASHRAE 62.1. It is the portion of supply air that originates outdoors, distinct from return or recirculated air, and is controlled by outdoor-air dampers and treatment as needed. The other terms aren’t used in the standard: Office Air isn’t a defined term, Oxygen Air would imply a different, nonstandard concept, and Outside Atmosphere isn’t the designation ASHRAE 62.1 uses for this purpose.

Outdoor Air is the air drawn from outside the building and brought into the ventilation system to dilute indoor contaminants and meet the ventilation requirements in ASHRAE 62.1. It is the portion of supply air that originates outdoors, distinct from return or recirculated air, and is controlled by outdoor-air dampers and treatment as needed. The other terms aren’t used in the standard: Office Air isn’t a defined term, Oxygen Air would imply a different, nonstandard concept, and Outside Atmosphere isn’t the designation ASHRAE 62.1 uses for this purpose.

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