Rheem Professional Powered Damper Series Use and Care Manual - Page 7

Installing the water heater. This water heater must be installed in accordance with these instructions, local codes, utility company requirements, and/or in the absence of local codes, use the latest edition of the American National Standard/National Fuel Gas Code. A copy can be purchased from either the American Gas Association, 400 N. Capitol Street NW, Washington, DC 20001 as ANSI standard Z223.1 or National Fire Protection Association, 1 Batterymarch Park, Quincy, MA 02269 as booklet NFPA 54. Combustion Air Inlet Openings Max. 2" Location The water heater should not be located in an area where leakage from the tank or connections will result in damage to the area adjacent to the heater or to FVIR certified gas water heaters can be installed on a residential garage floor without the use of an 18-inch stand in accordance with the National Fuel Gas lower floors of the structure. Code, NFPA 54, ANSI Z223.1 2006, unless When such areas cannot be avoided it is recommended that a suitable catch pan, Flammable Vapor Sensor Diameter of water heater plus 2" min. adequately drained, must be installed under the water heater. The pan must not restrict air flow to the combustion air inlet openings (perforation The auxiliary catch pan openings) located around the lower installation MUST conform to local codes. perimeter of the water heater. Catch pan kits are available from the store Top View Alcove where the water heater was purchased, or Rear any water heater distributor. Make certain the floor underneath the water heater is strong enough to sufficiently otherwise directed by State and Local code requirements. The water heater must be located so it is not subject to physical damage, for example, by moving vehicles, area flooding, etc ● The water heater should be installed as close as practical to the gas vent or chimney. ● Hot water lines should be insulated to conserve water and energy. ● The water heater and water lines should be protected from exposure to freezing temperatures. support the weight of the water heater once ● Do not install this water heater in it is filled with water. bathrooms, bedrooms, any occupied A gas-fired water heater or any other appliance should not be installed . rooms normally kept closed, or in unprotected outdoor areas. in a space where liquids which give off ● Minimum clearance from combustible Front Open Sides flammable vapors are to be used or stored. Such liquids include gasoline, LP gas (butane or propane), paint or adhesives and construction: Location Front Sides Rear Top Top View Closet Rear their thinners, solvents or removers. When installed in a closet, DO NOT block or obstruct any of the combustion air inlet openings located around the Alcove 3". (7.62 cm) 0". 0". 12". (0 cm) (0 cm) (30.5 cm) Closet 3". 1". 0". 12". (7.62 cm) (2.5 cm) (0 cm) (30.5 cm) perimeter of the water heater. A minimum of 1" is required between these ● If the clearances stated on the combustion air inlet openings and any Instruction/Warning Label, located on obstruction. the front of the heater differ, install the Front Enclosed Sides DO NOT obstruct or block the Flammable Vapor Sensor. water heater according to the clearances stated on the label. ! WARNING: Combustible Because of natural air movement in a room construction refers to or other enclosed space, flammable vapors adjacent walls and ceilings and should not be confused with combustible or flammable products and materials. Combustible and/ can be carried some distance from where liquids which give off flammable vapors are to be used or stored. The open flame of the water heater's pilot or main burner can or flammable products and ignite these vapors and create a shut down materials should never be condition of the water heater which stored in the vicinity of this will not allow the water heater to ignite or any gas appliance. until examined by a Qualified Service ● If the water heater is to be installed directly on carpeting , the water heater shall be installed on a metal or wood panel extending beyond the full width and depth of the water heater by at least 3 in. (7.6 cm) in all directions or, if the water heater is to be installed in an alcove or closet, the entire floor must be covered by a wood or metal panel. Notice: DO NOT allow the Technician. flammable vapor sensor to become submerged in water. Make sure the catch pan is properly drained. 7