American Water Heater 520 Spécifications télécharger pdf (Page 39)

NormalOperation

39│Page

Turnofftheelectricalpowersupplyandclosethemanualgasshutoffvalve

andthemanualwatercontrolvalvebeforeservicing.

MAINTENANCEANDSERVICE

 Cleanthecold‐waterinletfilter.(Refertodiagrambelow)

 Besurethatallopeningsforcombustionandventilationairarenotblocked.

 Theventingsystemshouldbecheckedannuallyforanyleaks,corrosion,blockagesordamage.

 Theburnershouldbecheckedannuallyfordust,

lint,greaseordirt.

 Keep the area around the water heater clear. Remove any  combustible materials, gasoline or any

flammablevaporsandliquids.

 Inaccordancewithalllocalcodesandcommonsafetypractices,Waterdischargedfromthepressure

reliefvalecancausesevereburnsinstantlyfromscalding.DONOT

touchthepressurereliefvalve.

 Ifthereliefvalvedischargesperiodically,itmaybeduetothermalexpansioninaclosedwatersupply

system.Contactthewatersupplierorlocalplumbinginspectoronhowtocorrectthissituation.

 Visualcheckofburnerflames(seebelow)throughtheburner

windowintheburnerassemblylocated

atthemiddleof thewaterheater.



Themanufacturerrecommendshavingtheunitcheckedonceayearorasnecessarybyalicensed

technician.Ifrepairsareneeded,anyrepairsshouldbedonebyalicensedtechnician.



UNITDRAININGandFILTERCLEANING



1. Closethemanualgasshutoffvalve.

2. Turnoffpowertotheunit,andthenturnonagain.

3. Wait30seconds,andthenturnoffpowertotheunit,

yetagain.

4. Closethewatershutoffvalve.

5. Open all hot water taps in the house. When

 the

residual water flow has ceased, close all hot water

taps.

6. Have a bucket or pan to catch the water from the

unit’sdrainplugs.Unscrew

thetwodrainplugs(Large

andsmall)todrainallthewateroutoftheunit.

7. Wait a few minutes to ensure all water has

completelydrainedfromunit.

8. Clean the filter:Checkthewaterfilterlocatedwithin

thecoldinlet.Withatinybrush,cleanthewater

filter

of any debris which may have accumulated and

reinsertthefilterbackintothecoldwaterinlet.

9. Securelyscrewthedrainplugsbackintoplace.Hand‐



tightenonly.



WARNING

Unsatisfactory

Satisfactory

Unsatisfactory

Blueflame

RedorYellow

flame

Flame

blowingup

DrainPlug

withFilter

WaterValve

GasValve

DrainPlug

(Large)

DrainPlug

(Small)

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American Water Heater 520 Spécifications Page 39

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