PrecisionTemp RV-500 User manual

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RV500OPERATINGINSTRUCTIONS
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TheRV‐500isdesignedtogiveacontinuousflowofhotwateraslongasrequiredand
maintaintemperaturewithinthecapacityoftheheater(90°FtemperatureriseatoneGPM).
Thetemperatureonyourwaterheaterhasbeenfactorysettoapproximately120°F.Itisnot
recommendedthatyouchangethissetting.Doingsocouldresultindangerouslyhot
temperaturesthatcouldresultinsevereinjury.Ifitisnecessarytochangethesettingreferto
theServiceManualorcallPrecisionTemp.
Theheaterisdormantuntilahotwatertapisopened.Theheaterwillnotfireatverylow
flows;i.e.,under0.5GPM.DuringnormaloperationtheRV500willhaveasteadyflashing
greenLEDlightonthefrontoftheelectronicsdrawer.AredflashingLEDindicatesatrouble
code;refertotheServiceManualorcallPrecisionTempforassistance.Whenadjustingwater
temperatureitisbesttostartwithhotonlyandslowlyaddcoldintothemixuntilthedesired
temperatureisreached.
NOTE:Whenusingan"on/off"buttononashowerheadoranoutsidewashdownbox,always
turnoffthehotandcoldwatervalveswhenfinished.Notdoingsowillresultincoldwater
bleedingintothehotwatersystem.Thiswilleithercausethewaterheaternottoigniteor
resultinalternatingwarmandcoldwater.
DryCamping
RVshowerheadsaredesignedtodripwhenturnedoffandwillallowthehotwaterlinetobe
filledwithcoldwater.Whenshoweringitisrecommendedthatyouleavethewaterrunning
asyouwouldathome.Youwillnotrunoutofhotwaterandyouwillnotwasteadditional
waterwaitingforthecoldwatertopurgefromthewaterlineeverytimethewateristurned
backon.
WinterOperation
WhenoperatingtheRV500incoldclimateconditionstheflowofwatermayhavetobeslightly
restrictedorslowedatthefaucettomaintainthesettemperatureof120degrees.NOTE:If
yourRV500isequippedwiththeColdWeatherProtectionPackage the12vdcpowerand
propanemustbeleftontoprotecttheRV500fromfreezingincoldclimateconditions.The
Coldweatherprotectionswitch,locatedonthebottomoftheelectronicsdrawer,mustbe
turnedonpriortoexperiencingfreezingtemperaturestoprotectagainstfreezing.
Modelsbuiltpriorto9/2011donothaveaswitch.
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WinterDrivingInstructions:Undernocircumstancesshouldyoutravelinfreezingconditions
withoutfirstdrainingwaterfromtheunit.Followthewinterdrivingdraininginstructions
priortodrivinginfreezingtemperatures.Freezingisnotcoveredundertheproductwarranty.
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RV500WaterHeater
WinterDrivingDrainingInstructions
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1. Turnoffwatersupply.
2. Openallhotwaterfaucets.
3. OpentheshutoffvalveontheRedsewerbaydrainline.
4. RemovetheRV500doorandopenthePressureReliefValvebymovingthelevertothe
openposition.
5. ThewaterlinesandtheRV500willnowdrain.
6. InspecttheFlowmetersightglasstoinsureallwaterisdrainedfromthewaterheater.
7. WhenallwaterisdrainedfromthehotwaterlinesandtheRv500Flowmeterisempty
reinstallthewaterheaterdoor.LeavethePressureReliefValveandhotwaterfaucets
openwhiledriving.
8. Theheaterisnowsafetodriveinfreezingtemperatures.
9. OnceyourdestinationisreachedclosetheRV500PressureReliefValveandclosethe
sewerbaydrainvalve.Turnonwatersupplyandcloseallhotwaterfaucetsonceairis
purgedfromthelines.
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RoutineMaintenance
Allfaucetaeratorsandshowerheadscreensshouldbecleanedregularly.Itisrecommended
thattheRV‐500beinspectedbyaqualifiedservicetechnicianatleastonceayear.Particular
attentionshouldbepaidtothefollowing:
1.Inspecttheairinletopeningsandflueareatobeclearofanydebrisorobstructions,(leaves,
bugnests,spiderwebs,etc.)
2.Checkthattheheatermountingissecuretothecoachandtherearenoareasforpotential
waterleaks.
3.Openthecoveroftheheaterandinspectfordebrisorobstructionsundertheburnerorin
fluehood.
4.Visuallyinspectwiring.Besurethereisnochafingoftheinsulation.Besurethatthedirect
sparkignitioncable(yellow)wireissecuredtotheelectrodeundertheburnerandthatthe
connectorisnottouchinganything.
5.Checkforsootaroundtheflue.Sootisasignofincompletecombustion.Ifyoufindsoota
qualifiedservicetechnicianshouldbenotifiedtocorrecttheproblem.
6.Thepressurereliefvalveshouldbemanuallyactivatedonceayearbymovingtheleveron
thetopofthevalve90°whilepoweristurnedoff.Neverperformthisoperationwhilethe
burnerisoperatingorscaldingcouldoccur.Neverplugthepressurereliefvalve.Ifthevalveis
actuatingtoofrequentlycontactPrecisionTemporreplacevalve.
7.Unplugallconnectorsandreconnectwithpowerturnedoff.Inspectandcleancorrosion
fromtheignitioncable/sparkprobeconnectionandthegroundwireconnection.
NOTE:Shouldoverheatingoccurorthegassupplyfailstoshutoff,turnoffgasvalveatthe
supplytank.Immediatelycallaqualifiedservicetechnician
WARNING:Alwaysturnoffthe12‐voltpowersupplytotheheaterwhilethevehicleis
movingandduringanyfuelingoperations.Operatingthiswaterheateroranyotherignition
sourceduringfuelingcouldcauseafireorexplosion,whichcouldresultinseriousinjuryor
death.TryingtoproducehotwaterwhiledrivingormovingmaydamagetheRV500electrical
componentsandcauseafire.
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IMPORTANTCOLDWEATHERPROTECTIONINFORMATION
WARNING:Priortoseasonalfreezingtemperaturesoccurringturnonthecold
weatherprotectionswitch.Thecoldweatherprotectionswitchislocatedonthe
bottomoftheelectronicsdrawer.
Donotdisconnecttheelectricalsupplyorturnoffthepropanesupplywhen
temperaturesarenearorbelowfreezing.TheRV500freezeprotectionsystem
willnotworkiftheelectricalpowersourceorpropaneisdisconnected.For
completecoldweatherprotectionyourheatermustbeequippedwiththecold
weatherprotectionpackage(callPrecisionTempfordetails).
WARNING:Undernocircumstancesshouldyoutravelduringfreezing
conditionswithoutfirstdrainingwaterfromtheRV500.
WINTERIZING
Draining
1.TurnoffthepowerandgassupplytotheRV500.
2.Turnoffmainwatersupply.
3.Openallhotwatertaps.(bathroom,kitchen,laundry,etc.)
4.Drainallwaterfromplumbinglines.
5.Openpressurereliefvalvetodrainremainingwaterfrom
theRV500heatexchanger.
6.Aftercompletelydrainingthesystemitcanbewinterizedlikeany
otherRVbypurgingremainingwateroutofwaterlineswithcompressedairor
pumpingRVantifreezesolutionthroughthehotandcoldwatersystem;no
bypassvalveisrequired.
PrecisionTemp
11SunnybrookDr.
Cincinnati,Ohio45237
513‐641‐4446
800‐934‐9690
[e-mail]
12/2011