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9.32.3.5.(12) | Application | Intent |
OH1 |
Objective | OH1 Indoor Conditions |
Attribution | |
Application | Application 1: Branch supply ducts that
are not fitted with diffusers with adjustable balance stops, 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 is 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 of an inability to balance outdoor
airflow throughout rooms and spaces, which could lead to an inadequate supply
of outdoor air to some rooms or spaces. This is to limit
the probability of the inadequate control of:
This is to limit the probability of negative effects on the air
quality of indoor spaces, which could lead to harm to persons.
Intent 2: [Clause (b)] To limit the probability that balance dampers
will become dislodged without being noticed, which could lead to an inadequate
supply of outdoor air to some rooms and spaces, which could lead to negative
effects on the air quality of indoor spaces, which could lead to harm to persons.
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