Installation Manual

H-Series Demand Duo™ 2 Installation and Operation Manual 6
• Only trained and qualified professionals are
permitted to adjust parameter settings.
• Proper venting is required for the safe
operation of this 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.
• DO NOT operate the water heater without the
front panel installed. The front panel should
only be removed for service/maintenance or
replacing internal components.
• BURN HAZARD. Hot exhaust and vent may
cause serious burns. Keep away from the
water heater. Keep small children and animals
away from the water heater.
• Hot water outlet pipes leaving the water heater
can be hot to touch.
• Do not store or use gasoline or other
flammable vapors and liquids in the vicinity of
this or any other appliance.
• Install the vent system per local and national
codes.
• Do not install this water heater above 10,200 ft
(3,109 m).
• Do not obstruct combustion air to the water
heater.
• Failure to properly vent this appliance can
result in death, personal injury and/or property
damage.
• Rinnai recommends that every home have a
carbon monoxide (CO) alarm in the hallway
near bedrooms in each sleeping area. Check
batteries monthly and replace them annually.
DO NOT adjust the
internal gas valve. The
design is such that
adjustment is not required. Warranty will be
voided if the internal gas valve is adjusted.
WARNING
FLAMMABLE
Flammable Vapors
WARNING
FOR YOUR SAFETY
Do not store or use gasoline or other
flammable vapors and liquids in the vicinity of this
or any other appliance.
Hot water can be
dangerous, especially for
infants or children, the
elderly, or infirm.
There is hot water scald
potential if the thermostat
is set too high.
Water temperatures over
125ºF (51ºC) can cause
severe burns or scalding
resulting in death.
Hot water can cause first degree burns with
exposure for as little as:
3 seconds at 140ºF (60ºC)
20 seconds at 130ºF (54ºC)
8 minutes at 120ºF (48ºC)
Test the temperature of the water before placing
a child in the bath or shower.
Do not leave a child or an infirm person in the
bath unsupervised.
DANGER