A.O. Smith BTH 120 - 250 warranty Installation Diagrams

Page 23

INSTALLATION DIAGRAMS

ONE TEMPERATURE - ONE HEATER VERTICAL STORAGE TANK FORCED CIRCULATION

WITH OR WITHOUT BUILDING RECIRCULATION

CAUTION: IF BUILDING COLD

WATER SUPPLY HAS A BACK-

FLOW PREVENTER, CHECK

VALVE OR WATER METER WITH

CHECK VALVE PROVISIONS

FOR THERMAL EXPANSION OF

WATER IN THE HOT WATER

SYSTEM MUST BE PROVIDED

NOTE: CONNECT RETURN

LINE FROM HOT WATER

CIRCULATING LOOP (IF USED)

TO COLD WATER INLET LINE.

* PIPE TO OPEN DRAIN

INSTALL IN ACCORDANCE WITH

LOCAL CODES

ONE TEMPERATURE - ONE HEATER HORIZONTAL STORAGE TANK

FORCED CIRCULATION WITH OR WITHOUT BUILDING RECIRCULATION

DANGER

TEMPERATURE SETTING SHOULD NOT EXCEED

SAFE TEMPERATURE AT FIXTURES. SEE WATER

TEMPERATURE CONTROL WARNING ON PAGE 4.

IF HIGHER PREHEAT TEMPERATURES ARE

NECESSARY TO OBTAIN ADEQUATE BOOSTER

OUTPUT, ADD AN ANTI-SCALD VALVE FOR HOT

WATER SUPPLIED TO FIXTURES.

*PIPE TO OPEN DRAIN

INSTALL IN ACCORDANCE

WITH LOCAL CODES

23

Image 23 Contents
Notify Owner to Keep for Future Reference Place These Instructions Adjacent to HeaterBTU ROUGH-IN -DIMENSIONS Cyclone XHE BTH 120Foreword Table of ContentsHigh Limit Switch E.C.O FeaturesWater Temperature Control Circulating Pump Installation InstructionsInsulation Blankets Dishwashing Machine RequirementMechanical Exhausting of Room AIR ClearancesHard Water AIR RequirementsPage PVC Elbow with Mesh Screen Direct Vent Terminal InstallationDirect Venting Wooden Side Walls Installation SequenceVent Pipe Manufacturers Installation Instructions Masonry Side WallsInstallation of Vent System Vertical Vent Terminal InstallationVent Pipe Preparation Controls and SwitchesBlower Prover Switch GAS Piping System Connections BSR Board BTH 250 only Figure Water Line Connections Heater WiringClosed System GAS Valve LED Flashing Self Diagnostic ControllerOperation Sequence of OperationFault Conditions Error CodesDisplay Flashes 05 when button is pressed Required Ability Initial START-UP Prior to Start UP Adjustment ProcedureOperating Instructions 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