A.O. Smith BTR 151 THRU 201/A specification

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

Contents

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

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

Models: BTR 151 THRU 201/A

VERTICAL STORAGE TANK AND FORCED CIRCULATION

HORIZONTAL STORAGE TANK AND FORCED CIRCULATION