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9.32.3.1.(2) | Application | Intent |
OH1 | OS3 |
Objective | OH1 Indoor Conditions |
Attribution | |
Application | Application 1: Required components of heating-season mechanical ventilation
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: [Clauses (a) and (b)] To limit the probability that the
performance of heating-season mechanical ventilation systems will fall significantly
below expectations. This is to limit the probability of:
This is to limit the probability of the inadequate control of:
This is to limit the probability of:
This is to limit the probability of harm to persons.
Intent 2: [Clause (c)] To limit the probability of excessive negative
pressure, which could lead to:
This is to limit the probability of negative
effects on the air quality of indoor spaces, which could lead to harm to persons.
Intent 3: To direct Code users to Articles 9.32.3.3., 9.32.3.7. and 9.32.3.8., for
requirements regarding required components of heating-season mechanical ventilation
systems in dwelling units with 5 or fewer bedrooms. |
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