Installation Manual

Demand Duo™ R-Series Installation and Operation Manual 4
• A trained and qualified professional must
install the system, inspect it, and leak test it
before use. The warranty may be voided due
to any improper installation.
• The trained and qualified professional should
have skills such as:
− Gas line sizing
− Connecting gas lines, water lines, valves,
and electricity
− Knowledge of applicable national, state,
and local codes
− Installing and routing B-Vent through a
roof
− Training in installation of water heaters.
Training on Rinnai Water Heaters is
accessible at
www.trainingevents.rinnai.us
• Read all instructions in this manual before
installing the system. The system must be
installed according to the exact instructions in
this manual.
• Proper installation is the responsibility of the
installer.
• When installation is complete, leave this
manual with the system or give the manual
directly to the owner.
• You must read the entire manual to properly
operate the water heater and understand
maintenance requirements.
• Keep this manual for future reference.
• When using any appliance generating heat,
there are certain safety precautions you
should follow. See the Safety Precautions
section for detailed safety precautions.
• Be sure your water heater is installed by a
trained and qualified professional.
For Your Records
Dealer Name:
Dealer Phone #:
Purchase Date:
Tank Serial #:
System Serial #:
Thank you for purchasing Rinnai’s Demand
Duo™ R-Series Commercial Automatic
Circulating Tank Water Heater. This manual
provides information on the installation, operation,
and maintenance of Rinnai’s Demand Duo™
R-Series Commercial Automatic Circulating Tank
Water Heater. Read this manual completely
before installing or operating the system.