Navien NPE-180A Service Manual page 10

DANGER
FLAMMABLE VAPORS
Vapors from flammable liquids will explode and catch fire
causing death or severe burns.
Do not use or store flammable products such as gasoline,
solvents or adhesives in the same room or area near the water
heater.
Keep flammable products: far away from the water heater
●
in approved containers, tightly closed, and out of children's
reach.
Water heater has a main burner flame: which can come on
●
at any time, and may ignite flammable vapors.
Vapors: cannot be seen, are heavier than air, go a long way
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on the floor and can be carried from other rooms to the
main burner flame by air currents.
DANGER
COMPROMISED VENTING SYSTEM
Failure to follow the Venting Section of the installation
●
manual may result in unsafe operation of this water heater.
To avoid the risk of fire, explosion or asphyxiation from
carbon monoxide, never operate the water heater unless it
is properly vented to the outside and has an adequate air
supply for proper operation.
Be sure to inspect the vent termination and the air intake
●
pipe annually to ensure safe operation of the water heater.
Immediately turn off and do not use the water heater if any
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of the vent pipes, vent elbows and/or the water heater are:
damaged in any way;
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separated at a joint,
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cracked or show evidence of corrosion, rusting or
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melting.
DANGER
HOT WATER TEMPERATURE SETTING
Water temperatures at or above 125°F (52°C) can cause
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severe burns instantly or death from scalds.
Households with small children, disabled, or elderly persons
●
may require 120 °F (49°C) or lower temperature setting to
prevent contact with "HOT" water.
DANGER
WHAT TO DO IF YOU SMELL GAS
If you do not follow these instructions exactly, a fire or
explosion may result causing property damage, personal
injury or loss of life.
DO NOT OPERATE THE WATER HEATER.
DO NOT OPERATE ANY FAUCETS.
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.
Do not smoke.
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Extinguish any open flames and sparks.
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Do not operate light switches or electrical equipment
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switches.
Do not use any phone in your building.
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Open the windows and doors.
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Close the gas shutoff valve.
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Keep people away from the danger zone.
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Observe the safety regulations of your local gas supplier,
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found on the gas meter.
Immediately call your gas supplier from the outside of the
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building. Follow the gas supplier's instructions.
If you cannot reach your gas supplier, call the fire department.
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Notify your plumbing/heating contractor from the outside
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of the building.
Safety Information 9