American Water Heater (A)BCG3 85T500-8N instruction manual Commercial gas water heaters

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Instruction Manual

commercial gas water heaters

P.O. Box 1597

Johnson City, TN 37605

ASME CRN Low Lead Content

WARNING: If the information in these instructions is not followed exactly, a fire or explosion may result causing property damage, personal injury or death.

Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance.

WHAT TO DO IF YOU SMELL GAS:

Do not try to light any appliance.

Do not touch any electrical switch; do not use any phone in your building.

Immediately call your gas supplier from a neighbor’s phone. Follow the gas supplier’s instructions.

If you cannot reach your gas supplier, call the fire department.

Installation and service must be performed by a qualified installer, service agency or the gas supplier.

Thank you for buying this energy efficient water heater. We appreciate your confidence in our products.

MODELS (A)BCG3 85T500-8N & (A)BCG3 85T500-8P SERIES 120/121

INSTALLATION - OPERATION - SERVICE - MAINTENANCE - LIMITED WARRANTY

Read and understand this instruction manual and the safety messages herein before installing, operating or servicing this water heater.

Failure to follow these instructions and safety messages could result in death or serious injury.

This manual must remain with the water heater.

place these instructions adjacent to heater and notify owner to keep for future reference.

PRINTED 0211

318296-001

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Contents Commercial gas water heaters Table Of Contents Asme CRN Safe Installation, Use and ServiceFire and Explosion Hazard General Safety InformationGrounding 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 Insulation Blanket Installation On Combustible FlooringHard Water Circulation PumpsHigh Altitude Installations Propane InstallationsNatural Gas Installations Power Supply Installation RequirementsWater Temperature Controland Mixing Valves Gas Pressure RequirementsDishwashing Machines Temperature-Pressure Relief ValveClosed Water Systems Thermal ExpansionAir Requirements Contaminated AirUnconfined Space VENTING InstallationConfined Space Vent AdapterFresh Air Openings For Confined Spaces Multiple Heater ManifoldOutdoor Air Through Two Openings Outdoor Air Through One OpeningAir From Other Indoor Spaces Outdoor Air Through Two Vertical DuctsMultiple Gas Fired Tank-Type Heaters Technical Data VentingWater Line Connections Water heater installationValve Discharge Pipe Code Restrictions Installation Diagrams Top Inlet/Outlet UsageHeater Wiring Purging Gas PipingGas Pressure Regulator GAS Supply Pipe Length FeetGeneral AdjustmentsFilling Lighting & Operation Label For Your Safety Read Before OperatingIgniter Assembly Check the Igniter AssemblyCheck Venting Main BurnerRemote Storage Tank Temperature Control MAINTENANCETemperature-Pressure Relief Valve Test Checking the InputAnode Rod Inspection Hot Water OdorDraining and Flushing To Drain the Water Heater Storage TankDeliming Using Flo-Jug Method Tank Cleanout ProcedureDeliming Solvents Chemical Hazard For your information AIR in HOT Water Faucets High Water Temperature Shut OFF SystemSequence of Operation Flow Chart Complaint Cause Remedy User Service Agent Operational checklistWater Piping DiagramsTemperature & 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