Справочник Пользователя для American Water Heater 319407-002

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Location Requirements
The FVIR System is designed to reduce the risk of 
flammable vapor-related fires. Flammable liquids (such as 
gasoline, solvents, propane, etc,) emit flammable vapors 
which can be ignited by a gas water heater’s spark igniter 
or main burner. The resulting flashback and fire can cause 
death or serious burns to anyone in the area.
This heater is equipped with an FV sensor for detecting the 
presence of flammable vapors. When the sensor detects 
those vapors, the unit will shut down and not operate. 
Should this happen, please refer to the troubleshooting 
guide. Even though this water heater is a flammable vapors 
FIRE AND EXPLOSION HAZARD
Can result in serious injury or death
        Do not store or use gasoline or other 
flammable vapors and liquids in the 
vicinity of this or any other appliance. 
Storage of or use of gasoline or other 
flammable vapors or liquids in the vicinity 
of this or any other appliance can result in 
serious injury or death.
Flammable Vapors
FLAMMABLES
Read and follow water heater warnings and 
instructions.
WARNING
Carbon Monoxide Poisoning Hazard
Do not install in a mobile home.
Doing so can result in death or 
carbon monoxide poisoning.
WARNING
ignition resistant water heater and is designed to reduce 
the chances of flammable vapors being ignited, gasoline 
and other flammable substances should never be stored 
or used in the same vicinity or area containing a gas water 
heater or other open flame or spark producing appliance. 
In the event the FVIR system does not prevent the ignition 
of flammable vapors, the Flame Guard
 Safety System 
is designed to reduce the risk of flammable vapor-related 
fires. 
The patented Flame Guard
 Safety System protects your 
family by trapping the burning vapors within the water 
heater combustion chamber through the special flame-trap. 
The burning vapors literally “burn themselves out” without 
escaping back into the room. In the event of a flammable 
vapor incident, the Flame Guard
 Safety System disables 
the water heater by shutting off the gas supply to the 
water heater’s burner and pilot, preventing re-ignition of 
any remaining flammable vapors in the area. This will not 
prevent a possible fire/explosion if the igniter activates and 
flammable vapors have accumulated in the combustion 
chamber with the pilot light off. If you suspect a flammable 
vapor incident has occurred, do not use this appliance. 
Do not attempt to light this appliance if you suspect 
flammable vapors have accumulated inside or outside the 
appliance. Immediately call a qualified person to inspect 
the appliance. Water heaters subjected to a flammable 
vapors incident will show a discoloration on the flame-trap 
and require replacement of the entire water heater.  NOTE: 
Not following these instructions and/or an inadequate air 
supply can cause the Flame Guard
 Safety System to 
disable the water heater. Please make required installation 
and venting/air supply changes prior to resetting the system 
(see “Combustion Air Supply and Ventilation” section). 
IMPORTANT: This water heater has a resettable thermal 
switch installed as part of the Flame Guard
 Safety System. 
Do not attempt to disable or modify this feature in any way.
Do not use or store flammable products such as gasoline, 
solvents, or adhesives in the same room or area near the 
water heater. If such flammables must be used, all gas 
burning appliances in the vicinity must be shut off and their 
pilot lights extinguished. Open the doors and windows for 
ventilation while flammable substances are in use. 
If flammable liquids or vapors have spilled or leaked in the 
area of the water heater, leave the area immediately and 
call the fire department from a neighbor’s home. Do not 
attempt to clean the spill until all ignition sources have been 
extinguished.
Keep combustibles such as boxes, magazines, clothes, 
etc. away from the water heater area.
Site Location
• 
Select a location near the center of the water piping 
system. The water heater must be installed indoors and 
in a vertical position on a level surface. Do not install in 
bathrooms, bedrooms, or any occupied room normally 
kept closed.
• 
Locate the water heater as close to the chimney or gas 
vent as practical. Consider the vent system piping and 
combustion air supply requirements when selecting the 
water heater location. The venting system must be able 
to run from the water heater to termination with minimal 
length and elbows. 
FV Sensor
Figure 1:
FV Sensor