WaterLogic WL270 Operating instructions
WL270Manual Page51–Revision3‐4‐2019
HOTWATERTROUBLESHOOTINGINDEX
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
1. HotWaterisnotHot83°C(181°+/‐5°F)
NOTE:TheWL270WaterTreatmentSystemdoesNOThaveSleeporPowerSavingModeandthe
hotwatershouldbeaminimumof181°Fundernormaloperatingconditions.
TheHottemperaturesetpointis181°Fandiscontrolledbyathermostatonthesideofthetank.
Thereisaresettableoverloadorhighlimitsafetyabovethethermostatonthesideofthetankthat
willtriptopreventdamagetotheunitifthetankisdryheated(turnedonwithoutwaterinit).
TheWL270WaterTreatmentSystemdoesNOThaveExtraHotcapabilityandthemaximumhot
temperatureis186°F.
Ittypicallytakes10minutesforthe600WHotTanktoheatthe1.6Literofroomtemperature
(ambient)watertothe83°C(181°F)setpoint.
PossibleReason Solution
Nopowertoheaterelements
CheckthattheRedHeaterandCompressor
switchison.
TurnRedHeaterandCompressorSwitchon.
I=ON
HotTankOverloadDevices
(HighSafetyLimit)tripped
HotTankOverloadDevices
(HighSafetyLimit)isasafety
featuretoensurethetank
doesnotoverheat.
HotTankOverloadDevices(HighSafetyLimit)will“click”
whenpushed.TheHotTankOverloadDevices(HighSafety
Limit)areautomaticallyresetwhenpressed.
SeeResetting HotTankOverloadDevices(HighSafetyLimit)
Instructionsthatareincludedfurtherbelowinthis
TroubleshootingSection
HotTankOverloadDevices
(HighSafetyLimit)“open”on
HotTank
TurnPoweroff.
CheckOHM’sresistanceacrossterminalsoneachoftheHot
TankOverloadDevices(HighSafetyLimit)separately.Good
componentswillindicateaclosedcircuitorzeroOHM’son
themeter.
Replacecomponentsasnecessary.
WL270Manual Page52–Revision3‐4‐2019
Thermostatoroverload
“open”onHotTank
TurnPoweroff.CheckOHM’sresistanceacrossterminalson
eachThermostatandOverloadseparately.
Goodcomponentswillindicateaclosedcircuitorzero
OHM’sonthemeter.
Replacecomponentsasnecessary.
Looseorimproperly
connectedwire(s)tothe
heatingelement/hottank.
Visuallyinspectwireleadsgongtothehottank;confirm
properconnectionstotheheatingelements.
Hottanklifeis3‐5years,dependingonusage.
*Typically,dealersswapoutthehottankatsite,takebackto
theshoptorepair.
HeatingCoilnotWorking
TurnPoweroff;Drainhottank;Usemulti‐metertocheck
heaterelementforapproximately26OHM’sresistance.
Hottankmustbeemptyifyouarecheckingforcontinuity.
ReplaceHotTankasnecessary.
WL270Manual Page53–Revision3‐4‐2019
RESETTINGTHEHOTTANKOVERLOADORHIGHLIMITSAFETY
1.
TurnoffRedHeaterandCompressorPowerSwitchO=OFFonrearofunit.
2. UnplugthePowerCordfromrearofunit.
3.
Remove4PhillipScrewsfromtheAccessPanelonrear
ofunitandLowerAccessPanel.
4.
LocateprotectivemetalboxonrearofHotTank.Pushdownontopofmetalboxto
accessthermostatandoverload
5.
Presstheresetbutton
6. Reattachthemetalboxbydepressingthetopflapofthemetalboxsoitsnapsbackinto
itsoriginalpositionontheHotTank.
WL270Manual Page54–Revision3‐4‐2019
7.
ReplacetheAccessPaneland4Philipsscrews.
8. PluginthePowerCord.
9.
MakesurethehotandcoldtanksarefilledwithwaterBEFOREturningontheRed
HeaterandCompressorPowerSwitch
CAUTION!NEVERTURNONHEATERBEFOREFILLINGHOTTANK.
RedHeaterandCompressorPowerSwitchmustbeintheO=OFFposition
whiletheHotTankisempty.Damagecouldoccurwithinoneminuteand
theoverload(highlimit)willrequiremanualresetifheateristurnedon
withanemptyHotTank.
10. Verifythecoolerisfullyoperationalbeforeinstallingitatthecustomers’site.
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