Rinnai CU Series User Manual

Polypropylene (PP) Common Venng Installaon Instrucons 3
READ ALL INSTRUCTIONS BEFORE INSTALLATION
• The warning signs in this manual are here to prevent injury to you and others. Please follow them explicitly.
• Installaons must comply with local requirements and with the Naonal Fuel Gas Code, ANSI Z223.1/NFPA 54 for
U.S. installaons.
• Use only the materials listed in this manual for vent, air intake pipe, and ngs. Failure to comply with this warning
could result in property damage.
• DO NOT slope the combuson air pipe toward unit. Failure to comply with this warning could result in property
damage, personal injury, or death.
• DO NOT apply PVC/CPVC glues, solvents, or cleaners to the tankless water heater’s intake or exhaust gasket
connecons. Failure to correctly assemble the components according to these instrucons and the Rinnai water
heater installaon and operaon manual may result in property damage, personal injury, or death.
WARNING
Safety Symbols
Indicates an imminently
hazardous situaon which, if
not avoided, will result in
personal injury or death.
Indicates a potenally hazardous
situaon which, if not avoided, could
result in personal injury or death.
Indicates a potenally hazardous
situaon which, if not avoided, could
result in minor or moderate injury. It
may also be used to alert against
unsafe pracces.
Safety alert symbol. Alerts you to potenal
hazards that can kill or hurt you and others.
DANGER
CAUTION
WARNING
This manual contains the following important safety symbols. Always read and obey all safety messages.

Do not store or use gasoline or other flammable vapors and liquids in the
vicinity of this or any other appliance.

WHAT TO DO IF YOU SMELL GAS
• Do not try to light any appliance.
• Do not touch any electrical switch; do not use any phone in your building.
• Immediately call your gas supplier from a neighbor’s phone. Follow the gas
supplier’s instructions.
• If you cannot reach your gas supplier, call the fire department.

Installation and service must be performed by a trained and qualified installer,
service agency or the gas supplier.
WARNING
If the information in these instructions is not followed exactly, a fire or
explosion may result causing property damage, personal injury, or death.

Rinnai CU Series Specifications

General

Brand	Rinnai
Model	CU Series
Category	Boiler
Language	English