What You Will Need; Choose An Installation Location - Rinnai Demand Duo R-Series Installation And Operation Manual

Topics in this section
• Installation Guidelines

• What You Will Need

• Choose an Installation Location

THIS SECTION IS INTENDED FOR THE
INSTALLER
Installer qualifications: A trained and qualified
professional must install the appliance,
inspect it, and leak test it before use. The
warranty may be voided due to any improper
installation. The installer should have skills
such as: Gas sizing; Connecting gas lines,
water lines, valves, and electricity; Knowledge
of applicable national, state, and local codes;
Installing venting through a roof; Venting
Category I, Fan-Assisted Appliances per
NFPA 54, CSA B149.1 and local codes. If you
lack these skills contact a licensed
professional.
For installation in commercial applications only.
When installing the water heater, follow these
guidelines:
•
The installation must conform with local
codes or, in the absence of local codes, with
the National Fuel Gas Code, ANSI Z223.1/
NFPA 54, or the Natural Gas and Propane
Installation Code, CSA B149.1.
•
The appliance, when installed, must be
electrically grounded in accordance with local
codes or, in the absence of local codes, with
the National Electrical Code, ANSI/NFPA 70,
or the Canadian Electrical Code, CSA C22.1.
•
The appliance and its main gas valve must
be disconnected from the gas supply piping
system during any pressure testing of that
system at test pressures in excess of 1/2 psi
(3.5 kPa) (13.84 in W.C.).
12
•
Combustion air provided to the appliance
should not be taken from any area of the
structure that may produce a negative
pressure (i.e. exhaust fans, powered
ventilation fans).
•
Combustion air must be free of chemicals,
such as chlorine or bleach, that produce
fumes. These fumes can damage components
and reduce the life of your appliance.
•
You must follow the installation instructions
and those in section "5. Venting" for adequate
combustion air and exhaust.
•
If a water heater is installed in a closed water
supply system, such as one having a backflow
preventer in the cold water supply line, means
shall be provided to control thermal expansion.
Contact the water supplier or local plumbing
inspector on how to control thermal expansion.
•
Should overheating occur or the gas supply fail
to shut off, turn off the manual gas shutoff
(control) valve to the appliance.
DO NOT:
•
DO NOT install the Commercial Water Heater
outdoors.
•
DO NOT install the appliance in an area where
water leakage of the unit or connections will
result in damage to the area adjacent to the
appliance or to lower floors of the structure.
When such locations cannot be avoided, it is
recommended that a suitable drain pan,
adequately drained, be installed under the
appliance. The pan must not restrict
combustion air flow.
•
DO NOT obstruct the flow of combustion and
ventilation air.
•
DO NOT use this appliance in an application
such as a pool or spa heater that uses
chemically treated water. (This appliance is
suitable for filling large or whirlpool spa tubs
with potable water.)
•
DO NOT use substitute parts that are not
authorized for this appliance.
Demand Duo™ R-Series (REC) Installation and Operation Manual