Manuals / A.O. Smith / Household Appliance / Water Heater

A.O. Smith BTH 120-250(A) warranty For Your Safety Read Before Operating

Models: BTH 120-250(A)

1 32

Page 19

FOR YOUR SAFETY READ BEFORE OPERATING

WARNING: If you do not follow these instructions exactly, a fire or explosion may result causing property damage, personal injury or loss of life.

Page 19

Image 19

A.O. Smith BTH 120-250(A) warranty For Your Safety Read Before Operating

Contents

What to do if YOU Smell GAS Cyclone XHE Model BTH 120-250AInput Cyclone XHE BTH 120 250 ROUGH-IN-DIMENSIONSForeword BTH-120 NPT BTH-150 199Features Table of ContentsInstallation Instructions Clearances Locating the HeaterMechanical Exhausting of Room AIR Hard WaterAIR Requirements Chemical Vapor CorrosionHorizontal Vent Direct Vent6cm 45 PVC Elbow with Mesh Screen Direct Vent Terminal InstallationDirect Venting Transmitted Into the Living SpacesVent terminals supplied with the heater must be used Installation SequenceInstallation of Vent System Vertical Vent Terminal InstallationBlower Prover Switch Controls and SwitchesVent Pipe Preparation GAS Piping System Connections Closed System WHC1202 Integrated Water Heater Control Connection DiagramHeater Wiring Water Line ConnectionsItem Description Self Diagnostic ControllerOperation Sequence of OperationNo Incoming Line Voltage Line LED Off Fault ConditionsTemperature Probe Fault Figure GAS Valve LED FlashingControl BAD Figure ECO Switch Open FigureCombustion AIR Blockage Figure Initial START-UP Adjustment ProcedurePrior to Start UP Operating InstructionsFor Your Safety Read Before Operating General Information MaintenanceSediment Removal Anode Inspection and ReplacementFlushing DrainingVent System Drain Valve and Access PanelsTo inspect or replace an anode Installation Diagrams Install in Accordance with Local Codes Must be Identical Heaters Pipe Relief Valve to Open Drain 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 Company