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9.32.3.5.(6) | Application | Intent |
OH1 | OS2 | OS3 |
Objective | OH1 Indoor Conditions |
Attribution | |
Application | Application 1: Airflow measurement and adjustment of flow-regulating
dampers in outdoor air supply ducts in self-contained
heating-season mechanical ventilation systems that are not coupled to forced
air heating systems, serving single dwelling units with
5 or fewer bedrooms that are supplied with electrical power and a heating
system, in buildings to which:
Exceptions:
except as stated in Sentence 9.32.3.1.(1), which applies to
heating-season mechanical ventilation systems designed to comply with CAN/CSA-F326-M.
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Intent | Intent 1: To limit the probability that the outdoor air supply flow
will not be equal to the normal operating exhaust capacity of the principal
ventilation fan, which could lead to:
This is to limit the probability of:
This is to limit the probability of negative effects on the air
quality of indoor spaces, which could lead to harm to persons.
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