Installation Manual

Rinnai I-Series Condensing Boiler Solo Manual 41
• This boiler requires adequate combuson air for venlaon and diluon of ue gases. Failure to
provide adequate combuson air can result in unit failure, re, explosion, serious bodily injury
or death. Use the following methods to ensure adequate combuson air is available for correct
and safe operaon of this boiler.
• Direct Venng is recommended in unusually ght buildings or in installaon locaons subject to
signicant negave air pressure.
Combuson air must be free of corrosive chemicals. Do not provide combuson air from
corrosive environments. Appliance failure due to corrosive air is not covered by warranty.
IMPORTANT
ACCEPTABLE ACCEPTABLE NOT ACCEPTABLE
90° Elbows,
Long Sweep
90° Elbows,
Short Sweep
90° Elbows,
Close Turn
Vent length includes the addional venng, ngs and terminaons.
For applicaons containing corrosive indoor air, this appliance must be installed as direct vent. DO
NOT use room air in applicaons where combuson air contains acid forming chemicals such as
sulfur, uorine and chlorine. These chemicals have been found to cause rapid damage and decay
and can become toxic when used as combuson air in gas appliances. Such chemicals can be found
in, but not limited to bleach, ammonia, cat lier, aerosol sprays, cleaning solvents, varnish, paint
and air fresheners. Do not store these products or similar products in the vicinity of this boiler.
WARNING
Vent Sizes • 2 in. PVC
• 2 in. (60 mm) PP
• 3 in. PVC
• 3 in. (80 mm) PP
Ubbink Rolux® Flexible
Vent System:
• 2 in. (60 mm) PP
Vent Lengths
65  (20 m) 150  (46 m) 50  (15 m)
• 45° elbow is equivalent to 3  (1 m)
• 90° elbow is equivalent to 6  (2 m)