General Safety (cont’d)
WARNING
This water heater must not be installed directly on carpeting. Carpeting must be protected by a metal or wood panel beneath the appliance extending beyond the full width and depth of the appliance by at least 3 inches (76.2mm) in any direction, or if the appliance is installed in an alcove or closet, the entire floor must be covered by the panel. Failure to heed this warning may result in a fire hazard.
WARNING
A gas water heater cannot operate properly without the correct amount of air for combustion. Do not install in a confined area such as a closet, unless you provide air as shown in the “Locating The New Water Heater” section. Never obstruct the flow of ven- tilation air. If you have any doubts or questions at all, call your gas company. Failure to provide the proper amount of combus- tion air can result in a fire or explosion and can cause death, seri- ous bodily injury, or property damage.
WARNING
If this water heater will be used in beauty shops, barber shops, cleaning establishments, or
WARNING
VENT DAMPERS - Any vent damper, whether it is operated ther- mally or otherwise must be removed if its use inhibits proper drafting of the water heater.
Thermally Operated Vent Dampers:
Vent dampers must bear evidence of certification as complying with the current edition of American National Standard ANSI Z21.68 (ANSI Z21.66 & 67, respectively, cover electrically and mechanically actuated vent dampers). Before installation of any vent damper, consult the gas utility for further information.
WARNING
1.The appliance and its individual shutoff valve must be discon- nected from the gas supply piping system during any pressure testing of the gas system at test pressures in excess of 1⁄2 pound per square inch (3.5kPa).
2.The appliance must be isolated from the gas supply piping sys- tem by closing its individual manual shutoff valve during any pressure testing of the gas supply piping system at test pres- sures equal or less than 1⁄2 pound per square inch (3.5kPa).
WARNING
Soot
WARNING
The water heater with draft hood installed must be properly vent- ed to a roof jack which terminates outdoors. Never operate the water heater unless it is vented to the outdoors and has adequate air supply to avoid risks of improper operation, explosion or asphyxiation.
WARNING
Obstructed or deteriorated vent systems may present a serious health risk or asphyxiation.
WARNING
Chemical vapor corrosion of the flue and vent system may occur if air for combustion contains certain chemical vapors. Spray can propellants, cleaning solvents, refrigerator and air conditioner refrigerants, swimming pool chemicals, calcium and sodium chlo- ride, waxes, bleach, and process chemicals are typical compounds which are potentially corrosive.
WARNING
Minimum clearances between the water heater and combustible and noncombustible construction are 1″ at the sides and rear, 4″ at the front, and 6″ from the vent pipe. Clearance from the top of the draft hood is 12″. Refer to the label on the water heater locat- ed adjacent to the gas control valve for all clearances.
WARNING
HYDROGEN GAS: Hydrogen gas can be produced in a hot water system that has not been used for a long period of time (general- ly two weeks or more). Hydrogen gas is extremely flammable and explosive. To prevent the possibility of injury under these conditions, we recommend the hot water faucet be opened for several minutes at the kitchen sink before any electrical appli- ances which are connected to the hot water system are used (such as a dishwasher or washing machine). If hydrogen gas is present, there will probably be an unusual sound similar to air escaping through the pipe as the hot water faucet is opened. There must be no smoking or open flame near the faucet at the time it is open.
WARNING
INSULATING JACKETS: When installing an external water heater insulation jacket on a gas water heater:
a.DO NOT cover the
b.DO NOT put insulation over any part of the top of the gas water heater.
c.DO NOT put insulation over the gas control valve or gas control valve/burner cover, or any access areas to the burner.
d.DO NOT let insulation around the gas water heater to get with- in 8 inches of the floor (air must get to the burner).
e.DO NOT cover or remove operating instructions, and safety related warning labels and materials affixed to the water heater.
Failure to heed this will result in the possibility of a fire or explosion.
WARNING
Flood damage to a water heater may not be readily visible or immediately detectible. However, over a period of time a flood- ed water heater will create dangerous conditions which can cause DEATH, SERIOUS BODILY INJURY, OR PROPERTY DAM- AGE. Call a qualified service technician or contractor to replace a flooded water heater. Do not attempt to repair the unit! It must be replaced!
CAUTION
WATER HEATERS EVENTUALLY LEAK: Installation of the water heater must be accomplished in such a manner that if the tank or any connections should leak, the flow of water will not cause damage to the structure. When such locations cannot be avoid- ed, a suitable drain pan should be installed under the water heater. Drain pans are available at your local hardware store. Such a drain pan must be not greater than 11⁄2 inches deep, have a minimum length and width of at least 2 inches greater than the water heater dimensions and must be piped to an adequate drain. The pan must not restrict combustion air flow.
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