Kenmore 153.330401 Troubleshooting Guide, Start Up Conditions, Condensation, Smoke/Odor

Page 22

Troubleshooting Guide

Start Up Conditions

CONDENSATION

Whenever the water heater is filled with cold water, a certain amount of condensation will form while the burner is on. A

water heater may appear to be leakin_when in fact the water is condensation. This usually happens wnen:

•When a new water heater is filled with cold water for the first time.

•When gas burns and water vapor is produced in water heaters, particularly high efficiency models where flue tem- peratures arelower.

When you use large amounts of hot water, in a short time and the refill water Is very cold.

Moisture from the products of combustion condense on the cooler tank surfaces and form drops of water ".which may fall onto the burner or other hot surfaces to produde a "sizzling" or "frying" noise.

SMOKE/ODOR

It is not uncommon to experience a small amount of smoke and odor during the initi_ start-up. This is due to burning offof oil from metal parts, and will disappear in a short while.

THERMAL EXPANSION

Water supply systems may, because of high line pressure, fre- quent cut-offs, the effects of water hammer and others, have installed devices such as pressure reducing valves, check valves, back flow preventers, etc. to control these types of problems. When these devices are not equipped with an internal by-pass, and no other measures are taken, the devices cause the water sys- tem to be closed. As water is heated, it expands (thermal expan-

sion) and closed systems do not allow for the expansion of heat- ed water.

Excessive condensation can cause pilot outage due to water run- ning down the flue tube onto the main burner and putting out the pilot.

Because of the suddenness and amount of water, condensation

water may be diagnosed as a "tank leak". After the water in the tank warms up (about 1-2 hours), the condition should disappear.

Do not assume the water heater is leaking until there has been enough time for the water in the tank to warm up.

An undersized water heater will cause more condensation. The

water heater must be sized properly to meet the family's demands for hot water including dishwashers, washing machines and shower heads.

The water within the water heater tank expands as it is heated and increases the pressure of the water system. If the relieving point of the water heater's remperature-pressure relief valve is reached, the valve will relieve the excess pressure. The tempera- ture-pressure relief valve is not intended for the constant relief of thermal expansion. This is an unacceptable condition and must be corrected.

It is recommended that any devices installed which could create

a closed system have a by-pass and/or the system have an expan- sion tank to relieve the pressure built by thermal expansion in the water system. Expansion tanks are available for ordering through the Sears Service Center. Contact the local plumbing inspector, water supplier, and/or the Sears Service Center for assistance in controlling these situations.

Excessive condensation may be noticed during the winter and

early spring months when incoming water temperatures are at their lowest.

Good venting is essential for a gas fired water heater to operate

properly as well as to carry away products of combustion and water vapor.

Thermal

Expansion

Tank Specifications

 

 

Model

Tank Capacity

Dimensions

in Inches I Pipe Fitting

Number

In Gallons

Diameter

Length :

On

Tank

153.331020

2

8 inches

12_ inches]

_"

Male

 

5

 

i

 

 

153.331050

llinches

14_inehes

_"Male

AWARNING

HOTTER WATER CAN SCALD:Water heatersareintendedto producehot water. Water heated to a temperaturewhichwill satisfyclotheswashing,dishwashing,and other sanitizingneeds canscaldand permanently injureyou uponcontact.Somepeo- ple are more likelyto bepermanentJyinjured by hot waterthan others,These includethe elderly,children,the infirm,or physicab lylmentally handicappedIf. anyoneusinghot waterin yourhome fitsintooneofthesegroupsor ifthere isa localcodeor statelaw requiringa certaintemperaturewater at the hot water ta_ then you musttakespecialprecautionsIn. additionto usingthe lowest mssibletemperature settingthat satisfiesyourhot water needs, a meanssuchasa mixingvalve,shouldbeusedat the hot water tapsusedbythese people or at the water heater.Mixingvalves

areavailableat plumbingsupplyor hardwarestores.Followman- ufacturers instructionsfor installationof the valves.Before

changing the factory setting on the thermostat, read the '*l"emperotureRegulation"sectionin this manual.

Expansion Tank

Sizing

Chart

 

 

 

 

Inlet*

Water Heater

Capacity (Gallons)

 

Water

 

 

 

 

 

Expansion

Pressure

30

I 40

50

i 66

82

40psi

2

2

2

5

5

Tank

Capacity

50psi

2

2

2

5

5

Needed

60psi

2

2

5

5

5

 

70psi

2

2

5

5

5

 

80psi

2

5

5

5

5

*Highest recorded inlet water pressure in a 24 hour period or regulated water pressure.

NOTE: Expansion tanks are pre-charged with a 40 psi air

charge. If the inlet water pressure is higher than 40 psi, the expansion tanks air pressure must be adjusted to match that

pressure, but must not be higher than 80 psi.

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Contents AN Odorant is Added to the GAS Used by this Water Heater What to do if YOU Smell GASSafety Precautions ArningSerious Bodily INJURY,OR Property Damage Awarning AcautionContents Product Specifications Customer ResponsibilitiesBasic Tools Materials and Basic Tools NeededMaterials Needed Tubing Cutters or HacksawRemoving the Old Water Heater Installation InstructionsWater passingouve Facts to Consider About Location Installation Instructions contdDEATH,SERIOUSBODILYINJUR,ORPROPERTYDAMAGE ALL AIR from Inside Buildings Water Piping Installation Instructions contdInstallation Completed Using Sears Installation KIT Hotterwater can SCALD.Water heatersam intendedtoTemperature-Pressure Relief Valve ReliefvalveopeningNever usethis water heatunlessit mcompletelyfilledwith Filling the Water HeaterVenting ISCREV¢DRAFTHOODIGas Piping Vent Pipe InstallationVenting contd Contd Installation InstructionsGAS Piping with Flexible Connector Sediment TrapCheck for Leaks Installation ChecklistContd Before Lighting the PilotLighting Operating InstructionsBeforelighting PROPANEL.RGAS Water Heaters Not Force Operating Instructions contdWhattodo if Yousmellgas ForceTemperature Regulation Operating Instructions contdBurner Cleaning Service and AdjustmentTank Sediment Cleaning Venting System InspectionService and Adjustment contd Condensation Troubleshooting GuideStart Up Conditions SMOKE/ODORCold Wateheat Troubleshooting Guide contdAIR in HOT Water Faucets Smelly WaterNot Enough or no HOT Water High Temperature Shut OFF SystemOperational Conditions contd Water is TOO HOTLeakage Checkpoints Power Misertm 10 GAS Water Heaters Parts Order ListParts Order List contd Model NumbersWarranty

153.330401 specifications

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