Navien CH-180, Operation Manual

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Combination water heater operation
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Safety Instructions
If you do not follow these instructions exactly, a fire or an explosion may
result causing property damage, personal injury or loss of life.

DO NOT OPERATE THE COMBINATION WATER HEATER. DO NOT
OPERATE ANY FAUCET. Smell all around the combination water
heater area for gas. Be sure to smell near the floor because as
some gas is heavier than air and will settle near the floor.
•
DO NOT try to light any appliance.
•
DO NOT touch any electric switch.
•
DO NOT use any phone in your building.
•
Immediately contact
your Gas Supplier from a neighbor‟s phone.
•
Follow the Gas Supplier‟s instructions.
•
If you cannot reach your Gas Supplier, call 911 for police and/or the fire
department.
•
DO NOT return to your home until authorized by your gas supplier or the
fire department.

Failure to follow the Venting Section of the installation manual may result
in the unsafe operation of this combination water heater. To avoid the risk
of fire, explosion or asphyxiation from carbon monoxide, never operate
the combination water heater unless it is properly vented to outside and
has an adequate air supply for proper operation.

Be sure to inspect the vent terminator and the air intake pipe annually to
ensure safe operation of the combination water heater.

Immediately turn off and do not use the combination water heater if any of
the vent pipes, vent elbows and/or the intake air pipe are :
i. damaged in any way.
ii. have separated at a joint.
iii. are cracked or show evidence of corrosion, rusting or melting.
Improper venting may cause a build-up of carbon monoxide (CO).
Breathing carbon monoxide can cause brain damage or death. Read and
follow the above instructions carefully.
SAFETY
INSTRUCT
IONS