Installation & Servicing Instructions Rinnai E-Series
34
6.7.5
Dimensioning of the exhaust and air intake duct
The wall mounted boiler must be vented and supplied with combustion and
ventilation air as described in this section.
Ensure the vent and air piping and the combustion air supply comply with these
instructions regarding vent system, air system, and combustion air quality.
Inspect fi nished vent and air piping thoroughly to ensure all are airtight and
comply with the instructions provided and with all requirements of applicable
codes.
Failure to provide a properly installed vent and air system may cause severe
personal injury or death.
Use only the material listed in Rinnai's vent documentation for vent pipe, and
fi ttings. Failure to comply could result in severe personal injury, death or
substantial property damage.
Installation must comply with local requirements and with the National Fuel
Gas Code, ANSI Z223.1 for U.S installations or CSA B 149.1 for Canadian
installations.
For closet and alcove installation, CPVC material (instead of PVC) must be used
in a closet/alcove structure. Failure to follow this warning could result in fi re,
personal injury, or death.
All vent pipes must be connected and properly supported, and the exhaust
must be pitched a minimum of a 1/4”/foot (21 mm/m) back to the boiler (to allow
drainage of condensate). Please refer to the venting manufacturer's manual to
see if a larger pitch is required for specifi c venting systems. The venting system
manufacturer's required venting pitch must always be followed if larger than
1/4” (21 mm). Ubbink concentric condensing venting requires a pitch of ¾”/
foot (6mm/m).
Combustion air piping from the outside MUST comply to the requirements
of the authority having jurisdiction or, in the absence of such requirements,
to the latest edition of the National Fuel Gas Code, ANSI Z223.1/NFPA 54. In
Canada, installation must be in accordance with the requirements of CAN/
CSA B149.1, Natural Gas and Propane Installation Code.
NOTICE
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DANGER
NOTICE
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NOTICE
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WARNING
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WARNING
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