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GENERAL SAFETY INFORMATION
PRECAUTIONS
DO NOT USE THIS APPLIANCE IF ANY PART HAS BEEN UNDER WATER.
Immediately call a qualified service technician to inspect the appliance
and to replace any part of the control system and any gas control
which has been under water.
IF THE UNIT IS EXPOSED TO THE FOLLOWING, DO NOT OPERATE
HEATER UNTIL ALL CORRECTIVE STEPS HAVE BEEN MADE BY A
QUALIFIED SERVICEMAN.
1. EXTERNAL FIRE.
2. DAMAGE.
3. FIRING WITHOUT WATER.
4. SOOTING.
CHEMICAL VAPOR CORROSION
CORROSION OF THE FLUE AND VENT SYSTEM MAY OCCUR IF AIR
FOR COMBUSTION CONTAINS CERTAIN CHEMICAL VAPORS. SUCH
CORROSION MAY RESULT IN FAILURE AND RISK OF ASPHYXIATION.
Spray can propellants, cleaning solvents, refrigerator and air
conditioning refrigerants, swimming pool chemicals, calcium and
s o d i u m c h l o r i d e ( w a t e r s o f t e n e r s a l t ) , w a x e s , a n d p r o c e s s
chemicals are typical compounds which are potentially corrosive.
Do not store products of this sort near the heater. Also, air which
is brought in contact with the heater should not contain any of
these chemicals. If necessary, uncontaminated air should be
obtained from remote or outside sources. The limited warranty is
v o i d e d w h e n f a i l u r e o f w a t e r h e a t e r i s d u e t o a c o r r o s i v e
atmosphere. (Refer to the limited warranty for complete terms and
conditions.)
IMPROPER COMBUSTION
ATTIC AND/OR EXHAUST FANS OPERATING ON THE PREMISES WITH A
WATER HEATER CAN RESULT IN CARBON MONOXIDE POISONING AND
DEATH.
OPERATION OF THESE FANS CAN PRODUCE A NEGATIVE DRAFT IN THE
AREA OF THE WATER HEATER PREVENTING THE PRODUCTS OF
COMBUSTION FROM EXHAUSTING THROUGH THE CHIMNEY OR VENT PIPE.
The venting of the water heater should be inspected by a qualified service
technician at the time of installation and periodically thereafter to ensure
a down-draft condition does not exist.
DO NOT OBSTRUCT THE FLOW OF COMBUSTION AND VENTILATING AIR.
ADEQUATE AIR FOR COMBUSTION AND VENTILATION MUST BE PROVIDED
FOR SAFE OPERATION.
EXTENDED NONUSE PERIODS
HYDROGEN GAS CAN BE PRODUCED IN A HOT WATER SYSTEM
DANGER
DANGER
DANGER
SERVED BY THIS HEATER THAT HAS NOT BEEN USED FOR A LONG
PERIOD OF TIME (GENERALLY TWO WEEKS OR MORE). HYDROGEN
GAS IS EXTREMELY FLAMMABLE.
these conditions, it is recommended that the hot water faucet be opened
for several minutes at the kitchen sink before using any electrical appliance
connected to the hot water system. If hydrogen is present, there will
probably be an unusual sound such as air escaping through the pipe as
the water begins to flow.
THERE SHOULD BE NO SMOKING OR OPEN
FLAME NEAR THE FAUCET AT THE TIME IT IS OPEN.
INSULATION BLANKETS
Insulation blankets available to the general public for external use on
gas water heaters are not approved for use on your A.O. Smith water
heater. The purpose of an insulation blanket is to reduce the standby
heat loss encountered with storage tank water heaters. Your A.O.Smith
water heater meets or exceeds the ASHRAE/ IES 90.1b -1999 standards
with respect to insulation and standby loss requirement making an
insulation blanket unnecessary.
Should you choose to apply an insulation blanket to this heater,
you should follow these instructions. Failure to follow these
instructions can result in fire, asphyxiation, serious personal injury
or death.
•
Do not apply insulation to the top of the water heater, as this will
interfere with safe operation of venting components.
•
Do not cover the gas valve or temperature & pressure relief valve.
•
Do not cover the instruction manual. Keep it on the side of the
water heater or nearby for future reference.
•
Do not allow insulation to come within 2" (5 cm) of the burners, to
prevent blockage of combustion air flow to the burners.
•
Do not allow insulation to come within 9" (23 cm) of floor, (within 2"
(5cm) of bottom cover) to prevent blockage of combustion air flow
to the burners.
•
Do inspect the insulation blanket frequently to make sure it does not
sag, thereby obstructing combustion air flow.
•
Do obtain new labels from A.O. Smith for placement on the blanket
directly over the existing labels.
HIGH ALTITUDE INSTALLATIONS
INSTALLATIONS ABOVE 2000 FEET (610 METERS) REQUIRE
REPLACEMENT OF THE BURNER ORIFICES IN ACCORDANCE WITH
SECTION 8.1.2 OF THE NATIONAL FUEL GAS CODE (ANSI Z223.1).
FAILURE TO REPLACE THE ORIFICES WILL RESULT IN IMPROPER AND
INEFFICIENT OPERATION OF THE APPLIANCE RESULTING IN THE
PRODUCTION OF INCREASED LEVELS OF CARBON MONOXIDE GAS IN
EXCESS OF SAFE LIMITS WHICH COULD RESULT IN SERIOUS PERSONAL
INJURY OR DEATH.
You should contact your gas supplier for any specific changes which
may be required in your area.
As elevation above sea level is increased, there is less oxygen per cubic
5
To reduce the risk of injury under
DANGER
DANGER
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