Rinnai RL94e REU-VC2837WD-US User Manual

 VCSeriesManual 33
HowtousetheTemperatureController
TheMCͲ91Ͳ2controlleristhestandardtemperature
controllerthatissuppliedwiththewaterheater.On
indoormodelsitisintegratedintothefrontpanel.
TheMCCͲ91Ͳ2controllerisforcommercialand
hydronicapplicaƟonsrequiringhighertemperatures.
WhentheMCCͲ91Ͳ2controllerisconnected,these

highertemperaturesareavailableonallcontroller
modelsinthesystem.RefertothesecƟonon
temperatureranges.
DONOTrepeatedlyoperatethewaterheaterand
thenuseahotwatertapwhilethecontrolleris
turnedoī.OperaƟngthewaterheaterinthiswayto
alternately
producehotwatermaycaus ewaterto
condenseontheoutsideofinternalpartsand
accumulateinthewaterheatercabinet.
Dimensions(inches):3.5Wx4.75Hx0.75D
Temperature
Display
Priority
Indicator
Priority
Button
ON/OFF
Button
In Use
Indicator
Temperature
Selection
MC-91-2US
x BeforeoperaƟng,smellallaroundtheappliance
areaforgas.Besuretosmellnexttothefloor
becausesomegasisheavierthanairandwillseƩle
onthefloor.
x Keeptheareaaroundtheapplianceclearandfree
fromcombusƟblematerials,gasoline,andother
flammablevaporsandliquids.
x Alwayscheckthewatertemperaturebefore
enteringashowerorbath.
x Donotusethisapplianceifanyparthasbeen
underwater.Immediatelycallalicensed
professionaltoinspecttheapplianceandtoreplace
anypartofthecontrolsystemandanygascontrol
whichhasbeenunderwater.
x ShouldoverheaƟngoccurorthegassupplyfailto
shutoī,turnoīthemanualgascontrolvalveto
theappliance.
x DonotadjusttheDIPswitchunlessspecifically
instructedtodoso.
x Donotuseanextensioncordoranadapterplug
withthisappliance.
x AnyalteraƟontotheapplianceoritscontrolscan
bedangerousandwillvoidthewarranty.
Ifyouinstallthiswaterheaterinanareathatisknown
tohavehardwaterorthatcausesscalebuildͲupthe
watermustbetreatedand/ortheheatexchanger
flushedregularly.
Rinnaiprovidesa“ScaleControl
System”thatoīerssuperiorlimescaleprevenƟonand
corrosioncontrolbyfeedingablendofcontrol
compoundsintothewatersupply.Damageandrepair
duetocorrosivecompoundsintheairisnotcovered
bywarranty.
KeeptheairintakelocaƟonfreeof
chemicalssuchas
chlorineorbleachthatproducefumes.Thesefumes
candamagecomponentsandreducethelifeofyour
appliance.Damageandrepairduetoscaleintheheat
exchangerisnotcoveredbywarranty. 
WARNING

Rinnai RL94e REU-VC2837WD-US Specifications

General

Type	Tankless
Installation	Indoor
Energy Source	Natural Gas or Propane
Flow Rate	9.4 GPM
Energy Factor	0.82
Gas Type	Natural Gas or Propane
Minimum Flow Rate	0.4 GPM
Voltage	120V
Ignition Type	Electronic
Maximum BTU	199, 000 BTU
Temperature Range	98°F to 140°F
Minimum BTU Input	15, 000 BTU/hr
Warranty	12 years heat exchanger, 5 years parts, 1 year labor