American Water Heater (A)BCG3 85T500-8P, (A)BCG3 85T500-8N instruction manual

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P.O. Box 1597, Johnson City, TN 37605

Phone: 800-456-9805 • Fax: 800-999-5210

www.americanwaterheater.com

Copyright © 2010 American Water Heater Company. All rights reserved.

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Contents Commercial gas water heaters Table Of Contents Safe Installation, Use and Service Asme CRNGeneral Safety Information Fire and Explosion HazardGrounding Instructions PrecautionsHydrogen Gas Flammable Abbreviations Used IntroductionQualifications Features and components Rough In Dimensions Installation considerations2 NPT Clearances Locating the Water HeaterModel Right Left Back Ceiling Side Installation On Combustible Flooring Insulation BlanketHard Water Circulation PumpsHigh Altitude Installations Propane InstallationsNatural Gas Installations Installation Requirements Power SupplyWater Temperature Controland Mixing Valves Gas Pressure RequirementsTemperature-Pressure Relief Valve Dishwashing MachinesClosed Water Systems Thermal ExpansionContaminated Air Air RequirementsVENTING Installation Unconfined SpaceConfined Space Vent AdapterMultiple Heater Manifold Fresh Air Openings For Confined SpacesOutdoor Air Through Two Openings Outdoor Air Through One OpeningOutdoor Air Through Two Vertical Ducts Air From Other Indoor SpacesTechnical Data Venting Multiple Gas Fired Tank-Type HeatersWater Line Connections Water heater installationValve Discharge Pipe Installation Diagrams Top Inlet/Outlet Usage Code RestrictionsHeater Wiring Gas Piping PurgingGas Pressure Regulator GAS Supply Pipe Length FeetGeneral AdjustmentsFilling For Your Safety Read Before Operating Lighting & Operation LabelCheck the Igniter Assembly Igniter AssemblyCheck Venting Main BurnerMAINTENANCE Remote Storage Tank Temperature ControlTemperature-Pressure Relief Valve Test Checking the InputHot Water Odor Anode Rod InspectionDraining and Flushing To Drain the Water Heater Storage TankDeliming Using Flo-Jug Method Tank Cleanout ProcedureDeliming Solvents Chemical Hazard For your information High Water Temperature Shut OFF System AIR in HOT Water FaucetsSequence of Operation Flow Chart Operational checklist Complaint Cause Remedy User Service AgentDiagrams Water PipingTemperature & Pressure Temperature & Pressure Relief Valve Circulating Pump Multi Flue 2 Units Multi Flue 2 Units with Vertical Storage Tank Multi Flue 2 Units with Vertical Storage Tank Return from Multi Flue 2 Units TWO Temperature Multi Flue 2 Units with Booster TWO Temperature MULTI-FLUE 3 Units MULTI-FLUE 3 Units with Vertical Storage Tank MULTI-FLUE 3 Units with Horizontal Storage Tank Multi Flue Flue 4 Units MULTI-FLUE 4 Units with Vertical Storage Tank MULTI-FLUE 4 Units with Horizontal Storage Tank Manifold Kits For Technical ASSISTANCE, Service or Warranty Information