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9.32.3.12.(3) | Application | Intent |
OH1 |
Objective | OH1 Indoor Conditions |
Attribution | |
Application | Application 1: Connection of two or more heat recovery ventilators
to a common downstream exhaust duct, in self-contained
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: To limit the probability of the exhaust side of a heat recovery
ventilator drawing air through another non-operating heat recovery ventilator,
which could lead to a reduced volume of air being exhausted through the intended
exhaust duct. This is to limit the probability of inadequate
ventilation, which could lead to 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.
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