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7
For the User
1Residential occupancy means the occupancy or use of a building or part thereof by persons for whom sleeping accomodation is
provided but who are not harbored for the purpose of receiving care of treatment and are not involuntarily detained.
2Business and personal services occupancy (Group D) means the occupancy or use of a building or part thereof for the transaction of
business or the rendering or receiving of professional or personal services.
3Mercantile occupancy (Group E) means the occupancy or use of a building or part thereof for displaying or selling of retail goods, wares
or merchandise.
4
Medium-hazard industrial occupancy (Group F, Division 2) means an industrial occupancy in which the combustible content is more
than 50 kg/m2 or 1200 MJ/m2 of floor area and no classified as a high-hazard industrial occupancy.
5
Low-hazard industrial occupancy (Group F, Division 3) means an industrial occupancy in which the combustible content is not more
than 50 kg/m2 or 1200 MJ/m2 of floor area.
Exception:
Installation within a single classroom is acceptable provided the unit is installed with an independent ducting system, distinct from the
HVAC system, which is limited to that classroom and used to ventilate that classroom only. Additional restrictions from this section remain
applicable.
Restrictions:
The H/ERV shall not be installed within or be used to exhaust air from an environment that contains:
- Corrosive gas, vapor, emanations or solvents.
- Flammable or explosives gas, vapor, emanations, solvents or dusts.
- High concentrations of perfumes, nail polish or hair treatment products (bleaching, coloring agents, etc) such as from
hairdressing or nail salons.
- High concentration of chemical emanations from solvents, paints or other chemical cleaning agent products.
The H/ERV shall not be used to exhaust air exceeding 50% RH and 11o dew point over an extended period (more than 24 hours) when
outdoor temperature is below -15oC.
The H/ERV shall not be used to exhaust air from an environment that contains high levels of particles concentration unless the exhaust
air is pre-filtered with capture efficiency filters selected relative to the particle size distribution before entering the H/ERV.
The H/ERV shall not be used to exhaust air cooking effluents but could be used to provide ventilation for a kitchen in a group C building of
3 storeys or less in building height, having a building area not exceeding 600 m
2
only. The stale air exhaust register location must comply
with the requirement from the building code and the user manual.
Applications involving airborne pathogens or virus, smoke, harmful gas are not recommended. Such application requires extra care to
avoid recirculation and internal cross-contamination. Please contact customer service for more information.
The above warranty applies to all cases where the damage is not a result of poor installation, improper use, mistreatment or negligence,
acts of God, or any other circumstances beyond the control of the manufacturer. Furthermore, the manufacturer will not be held
responsible for any bodily injury or damage to personal property or real estate, whether caused directly or indirectly by the unit. This
warranty supersedes all prior warranties.
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