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7

Location Requirements

                                              

Carbon Monoxide Poisoning Hazard

WARNING

Do not install in a mobile home.  

Doing so can result in carbon monoxide poisoning and death.  

The FVIR System is designed to reduce the risk of 

flammable vapor-related fires. The patented system 

protects your family by trapping the burning vapors 

within the water heater combustion chamber through the 

special flame-arrestor. The burning vapors literally “burn 

themselves out” without escaping back into the room. 

In the event of a flammable vapor incident, the FVIR 

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 

is depressed 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, 

or depress the igniter button if you suspect flammable 

vapors have accumulated inside or outside the appliance. 

Immediately call a qualified technician to inspect the 

appliance. Water heaters subjected to a flammable vapors 

incident will show a discoloration on the flame-arrestor and 

require replacement of the entire water heater.

WARNING

Flammable Vapors

FLAMMABLES

         

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.

Read and follow water heater warnings and 
instructions

FIRE AND EXPLOSION HAZARD

Can result in serious injury or death

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.

Fire or Explosion Hazard

WARNING

•  Read instruction manual before installing, using or 
  servicing water heater.

•  Improper use may result in fire or explosion.

•  Maintain required clearances to combustibles.

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. 

• 

Locate the water heater near the existing gas piping. 

If installing a new gas line, locate the water heater to 

minimize the pipe length and elbows. 

• 

The water heater should be located in an area not 

subject to freezing temperatures. Water heaters 

located in unconditioned spaces (i.e., attics, 

basements, etc.) may require insulation of the water 

piping and drain piping to protect against freezing. 

The drain and controls must be easily accessible for 

operation and service. Maintain proper clearances as 

specified on the rating plate.

• 

Do not locate the water heater near an air-moving 

device. The operation of air-moving devices such 

as exhaust fans, ventilation systems, clothes dryers, 

fireplaces, etc., can affect the proper operation of the 

water heater. Special attention must be given to condi-

tions these devices may create. Flow reversal of flue 

gases may cause an increase of carbon monoxide 

inside of the dwelling (Figure 1B).

• 

If the water heater is located in an area that is 

subjected to lint and dirt, it may be necessary to 

periodically clean the base-ring filter and flame-

arrestor.  Refer to the “Maintenance of your Water 

Heater” section. 

NOTE:  This water heater must be installed according to all 

local and state codes or, in the absence of local and state 

codes, the “National Fuel Gas Code”, ANSI Z223.1(NFPA 

54)-current edition.

Содержание GAS WATER HEATER

Страница 1: ...h any electrical switch do not use any phone in your building Immediately call your gas supplier from a neighbor s phone Follow the gas supplier s instructions If you cannot reach your gas supplier ca...

Страница 2: ...Pipe Installation 17 Combination Space Heating Potable Water System 17 18 Solar Installation 18 Important Information About this Water Heater 19 Operating Your Water Heater 20 26 Lighting Instruction...

Страница 3: ...ty equivalent to a licensed tradesman in the fields of plumbing air supply venting and gas supply including a thorough understanding of the requirements of the National Fuel Gas Code as it relates to...

Страница 4: ...period of non use Read instruction manual before installing using or servicing water heater Fire or Explosion Harzard Hydrogen gas can be produced in a hot water system after a period of non use gener...

Страница 5: ...tat T Drain Valve U Manifold Burner Assembly V Flue W Metal Drain Pan X Piezo Igniter Y Base Ring Filter ALL PIPING MATERIALS TO BE SUPPLIED BY CUSTOMERS TO VENT TERMINATION ON ROOF A B D F G H I W V...

Страница 6: ...future users of this water heater will need it for future reference Service to the FVIR System should only be performed by a qualified technician Examples of a qualified technician include licensed pl...

Страница 7: ...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 Fire or...

Страница 8: ...ice used in conjunction with a piped drain pan These devices are available from some plumbing supply wholesalers and retailers and detect and react to leakage in various ways Sensors mounted in the dr...

Страница 9: ...an L P gas supply Do not connect an L P gas water heater to a natural gas supply Failure to follow these instructions can result in death explosion or carbon monoxide poisoning Explosion Hazard Gas R...

Страница 10: ...in the occurrence of a leak in the system the gas will settle at floor level Basements crawl spaces closets and areas below ground level will serve as pockets for the accumulation of gas Before lighti...

Страница 11: ...y a qualified technician using the installation instructions Examples of a qualified technican include gas technicians authorized gas company personel and authorized service persons Failure to so do c...

Страница 12: ...typical examples of each method Louvers and Grilles In calculating free area for ventilation and combustion air supply openings consideration must be given to the blocking effect of protection louver...

Страница 13: ...y CSA International this certification applies to the vent damper device only and does not mean they are certified for use on this water heater U L recognized fuel gas and carbon monoxide CO detectors...

Страница 14: ...y is clear and free of obstructions The chimney must be cleaned if previously used for venting solid fuel appliances or fireplaces Also consult local and state codes for proper chimney sizing and appl...

Страница 15: ...losed System Thermal Expansion 5 Install a shut off valve in the cold water inlet line It should be located close to the water heater and be easily accessible Know the location of this valve and how t...

Страница 16: ...y cause excessive restriction to water flow is not recommended Use only 95 5 tin antimony or other equivalent solder Any lead based solder must not be used Piping that has been treated with chromates...

Страница 17: ...tions If this water heater is to be used to supply both space heating and domestic potable drinking water the instructions listed below must be followed Be sure to follow the manual s shipped with the...

Страница 18: ...water heating appliances when used to supply potable water Some jurisdictions may require a backflow preventer in the incoming cold water line This may cause the temperature and pressure relief valve...

Страница 19: ...t contain negative pressure producing devices such as exhaust fans fireplaces etc Is there a furnace air handler in the same room space as the water heater If so has a return air duct system been atta...

Страница 20: ...e outer door If the Pilot Does Not Light 1 Wait 10 minutes before another lighting attempt If the pilot does not light the Igniter may not be sparking or the unit may not be getting gas or for a new i...

Страница 21: ...hnician or your gas supplier DANGER Hotter water increases the risk of scald injury Consult the instruction manual before changing temperature Refer to the Lighting Instructions in the Installation Ma...

Страница 22: ...49 C 60 C is recommended by most dishwasher manufacturers The thermostat is adjusted to the pilot position when it is shipped from the factory Water temperature can be regulated by moving the temperat...

Страница 23: ...the heated water may vary Operating Modes and Settings Standard Mode The controller adjusts the water heater to maintain the temperature set by the user Vacation Setting The Vacation setting VAC sets...

Страница 24: ...ater conditioning company to successfully eliminate all water odor problems Artificially softened water is exceedingly corrosive because the process substitutes sodium ions for magnesium and calcium i...

Страница 25: ...water heater drain valve and allow all of the water to drain from the tank Flush the tank with water as needed to remove sediment 6 Close the drain valve refill the tank and restart the water heater...

Страница 26: ...d billed accordingly When ordering replacement parts always have the following information ready 1 model serial and product number 2 type of gas 3 item number 4 parts description See Repair Parts Sect...

Страница 27: ...ILOT THERMOPILE ASSEMBLY PILOT THERMOPILE ASSEMBLY IGNITER CONNECTOR THERMAL SWITCH CONNECTORS PILOT THERMOPILE THERMOPILE CONNECTOR WHITE WIRE RED WIRE PILOT TUBE NOT SHOWN FOR CLARITY FIGURE 26 7 Ro...

Страница 28: ...ort if glass is missing or damaged removed Replace door gasket if damaged Failure to follow these instructions can result in death explosion or fire 1 Check the door gasket for damage or imbedded debr...

Страница 29: ...Figure 19A 2 Turn off the gas at the manual shut off valve on the gas supply pipe Figure 3 3 Drain the water heater Refer to the section of Draining and Flushing and follow the procedure 4 Disconnect...

Страница 30: ...ostat temperature limit was ex ceeded Status light will blink 4 flashes 11 Pilot line or orifice clogged 12 Non functioning thermopile 13 Air for combustion obstructed 14 FVIR Flame Arrestor blocked w...

Страница 31: ...section 5 Clean filter See Cleaning the Combustion Chamber and Flame Arrestor section SMOKING AND CARBON FORMATION SOOTING 1 Insufficient combustion air 2 Low gas pressure 3 Water heater flue or vent...

Страница 32: ...on if the return air duct is in the same location Correct size of openings to allow sufficient air NO YES YES NO Section C Pilot light will not remain lit Complete this section after completing Sectio...

Страница 33: ...water heater has been operating but has stopped and will not re light check the flame arrestor for signs of high temperature blue or black discoloration indicating a flammable vapor incident If you s...

Страница 34: ...mostat 8 FLASHES This condition only appears if the gas control temperature knob has been turned off and the thermopile continued to produce electric power This condition can occur if the thermopile d...

Страница 35: ...35 NOTES...

Страница 36: ...1 DRAFT HOOD 2 HEAT TRAP COLD SOME MODELS 3 HEAT TRAP HOT SOME MODELS 4 COLD WATER DIP TUBE 5 ANODE ROD 6 TEMPERATURE PRESSURE RELIEF VALVE LOCATED TOP OR SIDE 7 DRAIN VALVE 8 GAS CONTROL VALVE THERM...

Страница 37: ...12B Burner L P Gas Item 13A Manifold Burner Assembly contains the door gasket manifold tube pilot thermopile assembly manifold component block thermal switch and burner Natural Gas Low Nox Item 13B M...

Страница 38: ...on location in the United States its territories or possessions and Canada sized in accordance with proper sizing techniques for residential water heaters bearing a rating plate which has not been alt...

Страница 39: ...M DOES NOT CONSTITUTE PROOF OF PURCHASE OR PROOF OF INSTALLATION DISCLAIMERS NO EXPRESSED WARRANTY HAS BEEN OR WILL BE MADE ON BEHALF OF THE WARRANTOR WITH RESPECT TO THE MERCHANTABILITY OF THE HEATER...

Страница 40: ...40 Copyright 2010 A O Smith Corporation All rights reserved...

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