A.O. Smith DVE-150, DHE-200

General safety

when servicing this unit, verify the power to the unit is turned off prior to opening the control cabinet door.

Contents

Main Instruction Manual coMMercIal electrIc water heaters asMe Models dVe-150 thru dVe-10000 dhe-200 thru dhe 10000 InstallatIon - operatIon - serVIce - MaIntenance - lIMIted warranty safe InstallatIon, use, and serVIce IMportant defInItIons danGer warnInG cautIon cautIon Page IntroductIon taBle of contents preparInG for the InstallatIon Page Page Page facts to consIder aBout the locatIon locatInG the new water heater InstallatIon reQuIred aBIlIty cheMIcal Vapor corrosIon cIrculatInG puMp InsulatIon Blankets teMperature-pressure relIef ValVe electrIcal Branch cIrcuIt heater cIrcuIts control cIrcuIts power cIrcuIt Page Page Page teMperature reGulatIon operatIon fIllInG the water heater start up draInInG the water heater MaIntenance hIGh teMperature deVIces teMperature-pressure relIef ValVe operatIon Component Operation Interval Required Tank Flushing Monthly Sediment Removal As Needed Elements Lime Scale Removal trouBleshootInG checklIst warranty