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.