Kenmore 153 Owner's Manual

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Kenmore 153 Owner's Manual Manual pdf 16 page image

Besureventpipeis properlyconnectedtopreventescapeofdangerousfluegaseswhichcouldcausedeadlyasphyxiation.Chemicalvaporcorrosionoftheflueandventsystemmayoccurif airforcombustioncontainscertainchemicalvapors.Spraycanpropellants,cleaningsolvents,refrigeratorandairconditionerrefrigerants,swimmingpoolchemicals,calciumandsodiumchloride,waxes,bleachandprocesschemicalsaretypicalcompoundswhicharepotentiallycorrosive.Gas PipingBreathing Hazard - Carbon Monoxide Gas• High altitude orifice must be installedfor operation above 3,300 ft. (1,006 m)or 5,500 ft (1,676 m) for a high altitudemodels.• Contact a qualified installer or serviceagency.Breathing carbon monoxide can cause brain damage ordeath. Always read and understand instruction manual.Fire and Explosion Hazard• Do not use water heater withany gas other than the gasshown onthe rating plate.• Excessive pressure to gascontrol valve can cause seriousinjury or death.• Turn off gas lines duringinstallation.• Contact qualified installer orservice agencyMake sure the gas supplied is the same type listed on themodel rating plate. The inlet gas pressure must not exceed14 inch water column (3.5kPa) for natural and propane gas(L.P.). The minimum inlet gas pressure listed on the ratingplate is for the purpose of input adjustment. If the gas controlvalve is subjected to pressures exceeding 1/2 pound per squareinch (3.5kPa), the damage to the gas control valve could resultin a fire or explosion from leaking gas.If the main gas line shut-off serving all gas appliances is used,also turn "OFF" the gas at each appliance. Leave all gasappliances shut "OFF" until the water heater installation iscomplete.A gas line of sufficient size must be run to the water heater.Consult the current edition of National Fuel Gas Code ANSIZ223.1/NFPA 54 and your gas supplier concerning pipe size.If a standard model is installed above 3,300 feet (1,006 m) or ahigh altitude model is installed above 5,500 feet (1,676 m) theinput rating should be reduced at the rate of 4 percent for each1,000 feet (305 m ) above sea level which requires replacementof the burner odfice in accordance with National Fuel Gas CodeANSI Z223.1/NFPA 54. Contact your local Sears Service Centeror local gas supplier for further information.Failure to replace the standard orifice with a high altitude orificewhen installed at elevations above 3,300 feet (1,006 m) orabove 5,500 feet (1,676 m) for high altitude model) could resultin improper and inefficient operation of the appliance, producingcarbon monoxide gas in excess of safe limits, which couldresult in serious injury or death. Contact your local Sears ServiceCenter or local gas supplier for any specific changes whichmay be required in your area.Fire and Explosion Hazard• Use joint compound or tapecompatible with propane• Leak test before operatingheater• Disconnect gas piping andshut-off valve before pressuretesting system.There must be:• A readily accessible manual shut off valve in the gas supplyline serving the water heater, and• A ddp leg (sediment trap) ahead of the gas control valve tohelp prevent dirt and foreign materials from entering thegas control valve.• A flexible gas connector or a ground joint union between theshut off valve and control valve to permit servicing of the unit.Be sure to check all the gas piping for leaks before lighting thewater heater. Use a soapy water solution, not a match or openflame. Rinse off soapy solution and wipe dry.The minimum inlet gas pressure shown on the rating plate isthat which will permit firing at the rated input.Use pipe joint compound or teflon tape marked as beingresistant to the action of petroleum (Propane [L.P.]) gases.16The appliance and its gas connection must be leak testedbefore placing the appliance in operation.The appliance and its individual shut-off valve shall bedisconnected from the gas supply piping system during anypressure testing of that system at test pressures in excess of1/2 pound per square inch (3.5 kPa). It shall be isolated fromthe gas supply piping system by closing its individual manualshut-off valve during any pressure testing of the gas supplypiping system at test pressures equal to or less than 1/2 poundper square inch (3.5 kPa).Connecting the gas piping to the gas control valve of the waterheater can be accomplished by either of the two methodsshown in Figures 19 and 20.