WaterLogic WL270 Operating instructions

WL270Manual Page51–Revision3‐4‐2019
HOTWATERTROUBLESHOOTINGINDEX
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Hot Water Problems
1. Hot Water is not Hot 83°C (181° +/- 5°F)
Also includes related instructions for Resetting the Hot Tank Overload or High Limit
Safety
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1. HotWaterisnotHot83°C(181°+/‐5°F)
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NOTE:TheWL270WaterTreatmentSystemdoesNOThaveSleeporPowerSavingModeandthe
hotwatershouldbeaminimumof181°Fundernormaloperatingconditions.
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TheHottemperaturesetpointis181°Fandiscontrolledbyathermostatonthesideofthetank.
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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).
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TheWL270WaterTreatmentSystemdoesNOThaveExtraHotcapabilityandthemaximumhot
temperatureis186°F.
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Ittypicallytakes10minutesforthe600WHotTanktoheatthe1.6Literofroomtemperature
(ambient)watertothe83°C(181°F)setpoint.
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PossibleReason Solution
Nopowertoheaterelements
CheckthattheRedHeaterandCompressor
switchison.
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TurnRedHeaterandCompressorSwitchon.
I=ON
HotTankOverloadDevices
(HighSafetyLimit)tripped
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HotTankOverloadDevices
(HighSafetyLimit)isasafety
featuretoensurethetank
doesnotoverheat.
HotTankOverloadDevices(HighSafetyLimit)will“click”
whenpushed.TheHotTankOverloadDevices(HighSafety
Limit)areautomaticallyresetwhenpressed.
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SeeResetting HotTankOverloadDevices(HighSafetyLimit)
Instructionsthatareincludedfurtherbelowinthis
TroubleshootingSection
HotTankOverloadDevices
(HighSafetyLimit)“open”on
HotTank
TurnPoweroff.
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CheckOHM’sresistanceacrossterminalsoneachoftheHot
TankOverloadDevices(HighSafetyLimit)separately.Good
componentswillindicateaclosedcircuitorzeroOHM’son
themeter.
Replacecomponentsasnecessary.

WL270Manual Page52–Revision3‐4‐2019
Thermostatoroverload
“open”onHotTank
TurnPoweroff.CheckOHM’sresistanceacrossterminalson
eachThermostatandOverloadseparately.
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Goodcomponentswillindicateaclosedcircuitorzero
OHM’sonthemeter.
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Replacecomponents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.
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Hottanklifeis3‐5years,dependingonusage.
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*Typically,dealersswapoutthehottankatsite,takebackto
theshoptorepair.
HeatingCoilnotWorking
TurnPoweroff;Drainhottank;Usemulti‐metertocheck
heaterelementforapproximately26OHM’sresistance.
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Hottankmustbeemptyifyouarecheckingforcontinuity.
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ReplaceHotTankasnecessary.
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WL270Manual Page53–Revision3‐4‐2019
RESETTINGTHEHOTTANKOVERLOADORHIGHLIMITSAFETY
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 
1.
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TurnoffRedHeaterandCompressorPowerSwitchO=OFFonrearofunit.
2. UnplugthePowerCordfromrearofunit. 
3.
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Remove4PhillipScrewsfromtheAccessPanelonrear
ofunitandLowerAccessPanel.
4.
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LocateprotectivemetalboxonrearofHotTank.Pushdownontopofmetalboxto
accessthermostatandoverload
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5.
Presstheresetbutton
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6. 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.

WL270Manual Page54–Revision3‐4‐2019
7.
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ReplacetheAccessPaneland4Philipsscrews. 
8. PluginthePowerCord.
9.
MakesurethehotandcoldtanksarefilledwithwaterBEFOREturningontheRed
HeaterandCompressorPowerSwitch
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CAUTION!NEVERTURNONHEATERBEFOREFILLINGHOTTANK.
RedHeaterandCompressorPowerSwitchmustbeintheO=OFFposition
whiletheHotTankisempty.Damagecouldoccurwithinoneminuteand
theoverload(highlimit)willrequiremanualresetifheateristurnedon
withanemptyHotTank. 
10. Verifythecoolerisfullyoperationalbeforeinstallingitatthecustomers’site.
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