34
3. Changing the Display Units
Thedisplayinterfacetotheheaterhastheoptionofselectingbetween
degreesFahrenheit and degrees Celsius for temperature displays.
Thiscanbefoundinthe“DisplaySettings”menu.Alsointhismenu,
youmayadjust howthebacklight operatesand thecontrastof the
LCD screen.
actIon:
FromtheMainMenu,presstheDownbuttontohighlight"Display
Settings"thenpressSelect.
dIsplaY:
actIon:
UsetheUPandDOWNbuttonstohighlightthedesiredsetting.Then
pressChange.Again,usetheUPandDOWNbuttonstoscrollthrough
theoptionsforthatsetting.
dIsplaY:
actIon:
Press updatetoacceptthechangeorcancel torejectit.
dIsplaY:
4. Fault and Warning Conditions
Thiswaterheateris equippedwithelectroniccontrolsthat havethe
abilitytomonitoralmostallaspectsofthewaterheateroperation.In
the case that there is an undesirable or unsafe condition that occurs,
the water heater controls will detect this condition and determine the
appropriateaction.PartofthisisdisplayingtheinformationontheLCD
inplaintextthat accuratelydescribesthecondition anddiagnostics
information that can be used to correct the issue.
Therearetwotypesofconditionsthatcanoccurduringoperation.These
areWarningsandFaults:
•warnings: This is a non-safety related condition that the control has
detectedthatmaycausethewaterheatertooperateinalessthanoptimal
condition,butdoesnotposeasafetyconcern.
note:When these conditions occur,continued heating cycles will
continueandtheheaterwill attempttoregulatethewater inthetankto
the Operating Set Point.
example of a warning:
• Faults: This is a safety related condition that has been detected
by the heater.
NOTE: When these conditions occur, the water heater will not
continueanyfurther heatingcyclesandthe waterwillno longerbe
heateduntiltheconditioniscorrectedand,inmostcases,powerhas
been cycled.
example of a fault:
advanced diagnostics Information
Whenafaultorwarninghasbeendeclared,advancedinformationcanbe
foundinthecontrol.BypressingtheAdvancedbutton,detailedinformation
canbefoundregardingdiagnosingandresolvingtheproblem.
warnInG: usage of the advanced information requires ability
equivalent to that of a licensed tradesmen in the eld involved.
5. Access to the Current Fault or Warning
Whena fault or warning has been detected by the control, it will
automaticallybedisplayedonthe screenandthebacklightwill blink.If
youchoosetoleavethecurrentfaultorwarningbypressingtheBackkey,
youcanalwaysreturntothefaultscreenthroughthemenu.