Checklist For Combustion Air And Venting Requirements; Location - Rinnai I Series Installation And Operation Manual

Location

To maintain proper circulation of combustion air two permanent openings (one upper, one lower)
must be positioned in confined spaces. The upper shall be within 12 in. (0.30 m) of the top of the
confined space and the lower opening shall be within 12 in. (0.30 m) of the bottom of the confined
space. Openings must be positioned as to never be obstructed.
IMPORTANT
Combustion air provided to the appliance should not be taken from any area of the structure
that may produce a negative pressure (i.e. exhaust fans, powered ventilation fans).
WARNING
To prevent possible personal injury or death due to asphyxiation, common venting with other
manufacturer's induced draft appliances is not allowed.
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Verify all combustion air opening sizes are correct.
Ensure that the Combustion Air Requirements are followed that will provide sufficient
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combustion air for the appliance.
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DO NOT use room air for combustion in applications where the indoor air is corrosive.
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Verify that adequate combustion air is available for all appliances installed in the space.
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Installation complies with National Fuel Gas Code, ANSI Z223.1/NFPA 54 as well as local
and state regulations therein.
Rinnai I-Series Condensing Boiler Combi Manual
12 in.
(300 mm)
10 in.
(250 mm)
43