WaterLogic WL250 Operating instructions

WL250Manual Page68‐Revision:12‐12‐2018

HOTWATERTROUBLESHOOTINGINDEX



Hot Water Problems

1. HotWaterisnotHot85°C+/‐15°C(185°F+/‐5°F)



AlsoincludesrelatedinstructionsforResettingtheHotTankOverloadorHigh

LimitSafety

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HotWaterisnotHot85+/‐15°C(185°+/‐5°F)



NOTE:TheWL250WaterTreatmentSystemdoesNOThaveSleeporPowerSavingModeand

thehotwatershouldbeaof85+/‐15°C(185°+/‐5°F)undernormaloperatingconditions.



TheHottemperaturesetpointis85°C+/‐15°C(185°F+/‐5°F)andiscontrolledbyathermostat

onthesideofthetank.



Thereisaresettableoverloadorhighlimitsafetyabovethethermostatonthesideofthetank

thatwilltriptopreventdamagetotheunitifthetankisdryheated(turnedonwithoutwaterin

it).



TheWL250WaterTreatmentdoesNOThaveExtraHotcapabilityandthemaximumhot

temperatureis87°C(189°F).



Ittypicallytakes10minutesforthe500Wtoheatthe1.6Literofroomtemperature(ambient)

watertothe85°C(185°F)setpoint.



PossibleReason Solution

Nopowertoheaterelements

CheckthattheRedHeaterandCompressor

switchison.



TurnRedHeaterandCompressorSwitchon.

I=ON

HotTankOverloadTripped



Overloadisasafetyfeatureto

ensurethetankdoesnot

overheat.

Overloadwill“click”whenpushed.Theoverloadis

automaticallyresetwhenpressed.



SeeResettingtheHotTankOverloadorHighLimitSafety

Instructionsthatareincludedfurtherbelowinthis

TroubleshootingSection

Thermostatoroverload

“open”onHotTank

TurnPoweroff.CheckOHM’sresistanceacrossterminalson

eachThermostatandOverloadseparately.



WL250Manual Page69‐Revision:12‐12‐2018

Goodcomponentswillindicateaclosedcircuitorzero

OHM’sonthemeter.



Replacecomponentsasnecessary.

HeatingCoilNotWorking

TurnPoweroff;Drainhottank;Usemulti‐metertocheck

heaterelementforapproximately26OHM’sresistance.



HotTankmustbeemptyifyouarecheckingforcontinuity.



ReplaceHotTankasnecessary.

Looseorimproperly

connectedwire(s)tothe

HeatingElement/HotTank.

Visuallyinspectwireleadsgongtothehottank;confirm

properconnectionstotheheatingelements.



Hottanklifeis3‐5years,dependingonusage.



*Typically,dealersswapouttheHotTankatsite,takeback

totheshoptorepair.



WL250Manual Page70‐Revision:12‐12‐2018

RESETTINGTHEHOTTANKOVERLOADORHIGHLIMITSAFETY



 

1.



RedHeaterandCompressorSwitchmustbeintheOFFposition



O=OFF



2. UnplugthePowerCordfromrearofWL250WaterTreatmentSystem.

3.

TowerModel:RemovetheLowerFrontPanelbyremovingthePhillipsHeadScrews

underneaththeLowerFrontPanel.



CounterTopModel:RemovetheSidePanelbyremovingPhillipsHeadScrewsfromSide

Panel.

4.



LocatetheprotectivemetalboxontherearoftheHotTank.



Asyoulookthroughthecondensercoilsontherearofthe

unit,youwillseetheHotTanklocatedontheright‐handside.



WL250Manual Page71‐Revision:12‐12‐2018

5.

ReachupbehindtheHotTankandtakeholdoftheProtective

MetalBoxcoveringtheThermostatandOverloadontheHot

Tank.



TherearenutsthatsecurethemetalboxtotheHotTank.

However,thenutsarelooseenoughtoallowyoutoremove

themetalbox.



Ifthenutsonthemetalboxaretootight,loosenthenuts

securingtheHotTanktotheupperbaseoftheunitandlower

thehottanksoyoucanremovethemetalbox.



Fordemonstrativepurposes,photosbelowhaveloweredthe

HotTankfromtheunit. 

6.

Presstheresetbutton



7.



Reattachthemetalboxbydepressingthetopflapofthe

MetalBoxsoitsnapsbackintoitsoriginalpositiononthe

HotTank. 

WL250Manual Page72‐Revision:12‐12‐2018

8. ReplacePanelonunitusingPhillipsheadscrews.

9. PluginthePowerCord.

10

MakesuretheHotandColdTanksarefilledwithwaterBEFOREturningontheRedHeaterand

CompressorSwitch.



Verifythecoolerisfullyoperationalbeforeinstallingitatthecustomers’site.



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