A.O. Smith BTR 151 THRU 201/A warranty Vertical Storage Tank and Forced Circulation

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VERTICAL STORAGE TANK AND FORCED CIRCULATION

DANGER

TEMPERATURE SETTING SHOULD NOT EXCEED SAFE USE TEMPERATURE AT FIXTURES.

SEE WATER TEMPERATURE CONTROL WARNING ON PAGE 20. IF HIGHER PREHEAT

TEMPERATURES ARE NECESSARY TO OBTAIN ADEQUATE BOOSTER OUTPUT, ADD AN

ANTI-SCALD VALVE FOR HOT WATER SUPPLIED TO FIXTURES.

HORIZONTAL STORAGE TANK AND FORCED CIRCULATION

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Contents Placetheseinstructionsadjacenttoheater AndnotifyownertokeepforfuturereferenceDivision of A. O. Smith Corporation ROUGH-IN-DIMENSIONS Recovery Rating Capacities GPH AT Temperature Rise ShownForeword Heater Performance DataTable of Contents Features High Altitude InstallationsExtended NON-USE Periods Insulation BlanketsHigh Limit Switch Exhaust Inducer Blower AssemblyElectronic Ignition Control Circulating PumpRequired Ability UncratingLocating the Heater LevelingVenting To the Heater and Risk of Fire or Explosion UnconfinedspaceConfinedspace Multiple Heater Manifold Water Line ConnectionsWater Potable Heating Space Heating Relief ValveGAS Piping PurgingGAS Pressure Regulator Length Nominal Iron Pipe Sizes Inches FeetHeater Wiring Single Unit Wiring DiagramInstallation Diagrams GeneralVertical Storage Tank and Forced Circulation Horizontal Storage Tank and Forced CirculationPage Installation DIAGRAMS-SIDE INLET/OUTLET Usage Circulating Return Line ConnectionHeater with Mixing Valve and Recirculated Sanitizing Loop TWO PRE-HEATERS with Booster Heater Horizontal Storage Tank Operation Sequence of OperationFor Your Safety Read Before Operating What to do if YOU Smell GASPreventive Maintenance Water Temperature ControlCheck the Ignitor Assembly Ignitor AssemblyRemote Storage Tank Temperature Control GAS ValvesChecking the Input Venting SystemHOT Water Odor Anode ROD InspectionFlushing DrainingTank Cleanout Procedure Deliming Using FLO-JUG MethodDeliming Solvents Service Replacement PartsSystem Diagnostics Ignition Module SystemSequence of Operation Flow Chart YESOperational Checklist Complaint Cause User ServicemanRemedy Serviceandrepairexpenses ClaimprocedureKeepthiswarrantypostedadjacenttotheheaterforfuturereference TankSmith Water Products Company