A.O. Smith BTH 120 - 250 warranty

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DO NOT TERMINATE EXHAUST OVER PUBLIC AREA WHERE CONDENSATE OR VAPOR CAN CAUSE NUISANCE OR HAZARD.

DIRECT VENT

FIGURE 5

HORIZONTAL VENT

FIGURE 6

*NOTE: BTH 250 USES TEE ON AIR INTAKE TERMINAL

EXHAUST VENT HOOD MUST BE LOCATED 1' MINIMUM FROM ANY OPENING IN BUILDING.

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Contents

Notify Owner to Keep for Future Reference Place These Instructions Adjacent to HeaterBTU ROUGH-IN -DIMENSIONS Cyclone XHE BTH 120Foreword Table of ContentsWater Temperature Control FeaturesHigh Limit Switch E.C.O Circulating Pump Installation InstructionsInsulation Blankets Dishwashing Machine RequirementMechanical Exhausting of Room AIR ClearancesHard Water AIR RequirementsPage Direct Venting Direct Vent Terminal InstallationPVC Elbow with Mesh Screen Wooden Side Walls Installation SequenceVent Pipe Manufacturers Installation Instructions Masonry Side WallsInstallation of Vent System Vertical Vent Terminal InstallationBlower Prover Switch Controls and SwitchesVent Pipe Preparation GAS Piping System Connections Closed System Water Line Connections Heater WiringBSR Board BTH 250 only Figure GAS Valve LED Flashing Self Diagnostic ControllerOperation Sequence of OperationFault Conditions Error CodesDisplay Flashes 05 when button is pressed Operating Instructions Prior to Start UP Adjustment ProcedureRequired Ability Initial START-UP For Your Safety Read Before Operating General Information MaintenanceSediment Removal Anode Inspection and ReplacementFlushing DrainingVent System Drain Valve and Access PanelsInstallation Diagrams Install in Accordance with Local Codes Page Page Page Manifold Kits TROUBLE-SHOOTING Checklist and Service InformationNoisy Burner Operation Replacement PartsMotor will not RUN Motor RUNS, Burner Lights Momentarily Then Locks OUTALL Other Parts Service and Repair ExpensesClaim Procedure TankSmith Water Products CO., INC