Installation Guide

6 Rinnai Tankless Water Heater Installation and Operation Manual
Indicates a potentially hazardous
situation which, if not avoided, could
result in personal injury or death.
CAUTION
WARNING
This manual contains the following important
safety symbols. Always read and obey all
safety messages.
•
Before operating, smell all around the
appliance area for gas. Be sure to smell
next to the floor because some gas is
heavier than air and will settle on the
floor.
•
Keep the area around the appliance clear
and free from combustible materials,
gasoline, and other flammable vapors and
liquids.
•
Combustible construction refers to
adjacent walls and ceiling and should not
be confused with combustible or
flammable products and materials.
Combustible and/ or flammable products
and materials should never be stored in
the vicinity of this or any gas appliance.
•
Flammable liquids such as cleaning
solvents, aerosols, paint thinners,
adhesives, gasoline and propane must be
handled and stored with extreme care.
These flammable liquids emit flammable
vapors and when exposed to an ignition
source can result in a fire hazard or
explosion. Flammable liquids should not
be used or stored in the vicinity of this or
any other gas appliance.
DANGER
Indicates an imminently hazardous
situation which, if not avoided, will result in
personal injury or death.
Indicates a potentially hazardous situation
which, if not avoided, could result in minor
or moderate injury. It may also be used to
alert against unsafe practices.
Alerts you to potential hazards that
can kill or hurt you and others.
DO NOT adjust the internal gas valve.
The design is such that adjustment is not
required. Warranty may be voided if the
internal gas valve is adjusted.
WARNING
The following precautions apply to the
installer and consumer. Read and follow all
instructions in this section.
Outdoor installations require a Rinnai-
specified outdoor vent cap. DO NOT install
the water heater outdoors without the Rinnai
-specified outdoor vent cap. Refer to the
installation instructions of the outdoor vent
cap to install this water heater outdoors.
WARNING