38
INSTALLEDINSUITABLEAREA:Toinsuresufcientventilationand
combustionairsupply,properclearancesfromthewaterheatermust
bemaintained.See“FactstoConsiderAboutLocation”section.
Combustiblematerialssuchasclothing,cleaningmaterials,or
ammableliquids,etc.mustnotbeplacedagainstoradjacentto
thewaterheaterwhichcancauseare.
ANODE ROD INSPECTION
Theanoderodisusedtoprotectthetankfromcorrosion.Mosthot
watertanksareequippedwithananoderod.Thesubmergedrod
sacricesitselftoprotectthetank.Insteadofcorrodingthetank,
waterionsattackandeatawaytheanoderod.Thisdoesnotaffect
thewater’stasteorcolor.Therodmustbemaintainedtokeepthe
tankinoperatingcondition.
Anodedeteriorationdependsonwaterconductivity,notnecessarily
watercondition.Acorrodedorpittedanoderodindicateshighwater
conductivityandshouldbecheckedand/orreplacedmoreoftenthan
ananoderodthatappearstobeintact.Replacementofadepleted
anoderodcanextendthelifeofyourwaterheater.Inspectionshould
beconductedbyaqualiedtechnician,andataminimumshouldbe
checkedannuallyafterthewarrantyperiod.
TEMPERATURE-PRESSURE
RELIEF VALVE OPERATION
FIGURE 28.
Whencheckingthetemperature-pressurereliefvalveoperation,
makesurethat(1)nooneisinfrontoforaroundtheoutletofthe
temperature-pressurereliefvalvedischargeline,and(2)thatthe
waterdischargewillnotcauseanypropertydamage,asthewater
maybeextremelyhot,seeFigure28.
Ifaftermanuallyoperatingthevalve,itfailstocompletelyresetand
continues to release water, immediately close the cold water inlet
tothewaterheater,followthedraininginstructions,andreplacethe
temperature-pressurereliefvalvewithanewone.
Ifthetemperature-pressurereliefvalveontheapplianceweeps
ordischargesperiodically,thismaybeduetothermalexpansion.
Youmayhaveacheckvalveinstalledinthewaterlineorawater
meterwithacheckvalve.Consultyourlocalwatersupplierora
qualiedserviceagencyforfurtherinformation.Donotplugthe
temperature-pressurereliefvalve.
DRAINING
Thewaterheatershouldbedrainedifbeingshutdownduring
freezingtemperatures.Alsoperiodicdrainingandcleaningof
sedimentfromthetankmaybenecessary.
1.Setthepowerswitchtothe“OFF”position.
2. CLOSE the cold water inlet valve to the water heater.
3.OPENanearbyhotwaterfaucetandleaveopentoallowfor
draining.
4. Connect a hose to the drain valve and terminate to an adequate
drain.
5.OPENthewaterheaterdrainvalvetoallowfortankdraining.
NOTE: If the water heater is going to be shut down and
drained for an extended period, the drain valve should be
left open with hose connected allowing water to terminate
to an adequate drain.
6. CLOSE the drain valve.
7.Followinstructionsinthe“FillingTheWaterHeater”section.
8.Followthelightinginstructionsonthelabelorsee“Lighting
Instructions”inthismanualtorestartthewaterheater.