Kenmore 153.33204, 153.33206, 153.33205, 153.33207 owner manual ALL AIR from Inside Buildings See

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Chemical vapor corrosion of the flue, blower assembly 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 chloride, waxes, bleach and process chemicals are typical compounds which are potentially corrosive.

A. ALL AIR FROM INSIDE BUILDINGS: (See Figure 10 and 11)

The confined space shall be provided with two permanent openings communicating directly with an additional room(s) of sufficient volume so that the combined volume of all spaces meets the criteria for an unconfined space. The total input of all gas utilization equipment installed in the combined space shall be considered in making this determination. Each opening shall have a minimum free area of one square inch per 1,000 Btu per hour (22 cm2/kW) of the total input rating of all gas utilization equipment in the confined space, but not less than 100 square inches (645 cm2). One opening shall commence within 12 inches (31 cm) of the top and one commencing within 12 inches (31 cm) of the bottom of the enclosures.

FIGURE 11.

B. ALL AIR FROM OUTDOORS: (See Figures 12, 13 and 14)

The confined space shall be provided with two permanent openings, one commencing within 12 inches (31 cm) of the top and one commencing within 12 inches (31 cm) from the bottom of the enclosure. The openings shall communicate directly, or by ducts, with the outdoors or spaces (crawl or attic) that freely communicate with the outdoors.

1.When directly communicating with the outdoors, each opening shall have a minimum free area of 1 square inch per 4,000 Btu per hour (5.5 cm2/kW) of total input rating of all equipment in the enclosure, see Figure 12.

FIGURE 12.

FIGURE 13.

2.When communicating with the outdoors through vertical ducts, each opening shall have a minimum free area of 1 square inch per 4,000 Btu per hour (5.5 cm2/kW) of total input rating of all equipment in the enclosure, see Figure 13.

3.When communicating with the outdoors through horizontal ducts, each opening shall have a minimum free area of 1 square inch per 2,000 Btu per hour (11 cm2/kW)) of total input rating of all equipment in the enclosure, see Figure 14.

4.When ducts are used, they shall be of the same cross-sectional area as the free area of the openings to which they connect. The minimum short side dimension of rectangular air ducts shall not be less than 3 inches (7.6 cm), see Figure 14.

FIGURE 14.

FIGURE 14A.

5.Alternatively a single permanent opening may be used when communicating directly with the outdoors, or with spaces that freely communicate with the outdoors. The opening shall have a minimum free area of 1 square inch per 3,000 BTU per hour (8.3 cm2/kW) of total input rating of all equipment in the enclosure. See Figure 14A.

6.Louvers and Grilles: In calculating free area, consideration shall be given to the blocking effect of louvers, grilles or screens protecting openings. Screens used shall not be smaller than 1/4 inch (6.4 mm) mesh. If the free area through a design of louver or grille is known, it should be used in calculating the size opening required to provide the free area specified. If the design and free area is not known, it may be assumed that wood louvers will be 20-25 percent free area and metal louvers and grilles will have 60-75 percent free area. Louvers and grilles shall be fixed in the open position or interlocked with the equipment so that they are opened automatically during equipment operation.

7.Special Conditions Created by Mechanical Exhausting or Fireplaces: operation of exhaust fans, ventilation systems, clothes dryers or fireplaces may create conditions requiring special attention to avoid unsatisfactory operation of installed gas utilization equipment.

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Contents 153.332040 153.332050153.332060 153.332070Safe INSTALLATION, USE and Service Important DefinitionsSafety Precautions Table of Contents Product Specifications Customer ResponsibilitiesKeep Clear of ALL Obstructions Materials and Basic Tools Needed Typical Installation Natural HOT Surface Igniter & Main BurnerPropane HOT Surface Igniter & Main Burner Installation Instructions Removing the Old Water HeaterFacts to Consider about the Location Insulation Blankets Cause death, serious bodily injury, or property damageALL AIR from Inside Buildings See Water Piping Hotter Water can ScaldValve and Pipe Insulation if supplied GAS Piping Blower Assembly Installation Sequence of InstallationSediment Traps Filling the Water HeaterPage Vent Connections to Blower Assembly Venting and InstallationCondensation Maximum Vent LengthsVent Terminal Installation VentingVertical Vent Termination Restrictions Vertical Vent Through RoofVent Pipe Preparation Recommended BRUSH* Size for Primer Cement ApplicationsStep B Step EStep F Step GFor Your Safety Read Before Lighting Operating InstructionsTemperature Regulation Temperature SettingStart UP Conditions CondensateSMOKE/ODOR Thermal ExpansionOperational Conditions Venting System InspectionBurner Operation and Inspection TEMPERATURE-PRESSURE Relief Valve Operation HousekeepingAnode ROD Inspection Drain Valve Washer Replacement ServiceDraining Leakage Checkpoints LED Status Problem Solution Blower may not start in thisCondition Blower may run continuouslyTroubleshooting Guidelines Troubleshooting Guidelines Burner Assembly Outer Door Alternate This is a Repair Parts LIST, not a Packing ListModel Numbers Part Description Page Page Year Limited Warranty on Water Heater Year Exclusive Kenmore Labor WarrantyWarranty Service Sears Installation Service