American Water Heater (A)BCG3 85T500-8N, (A)BCG3 85T500-8P Multi Flue 2 Units TWO Temperature

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MULTI FLUE (2 UNITS) TWO TEMPERATURE

WARNING: THIS DRAWING SHOWS SUGGESTED PIPING CONFIGURATION AND OTHER DEVICES; CHECK WITH LOCAL CODES AND ORDINANCES FOR ADDITIONAL REQUIREMENTS.

41

1st HEATER

HOT WATER

TO FIXTURES

HOT WATER

RETURN

COLD WATER

SUPPLY

LEGEND

TEMPERATURE & PRESSURE

RELIEF VALVE

PRESSURE RELIEF VALVE

CIRCULATING PUMP

TANK TEMPERATURE CONTROL

DRAIN

BOOSTER WATER

TO FIXTURES

PRE-HEATED

WATER TO

BOOSTER

BOOSTER

HEATER

FULL PORT BALL VALVE

CHECK VALVE

TEMPERATURE GAGE

WATER FLOW SWITCH

EXPANSION TANK

BOOSTER WATER RETURN

NOTES:

1.Preferred piping diagram.

2.The temperature and pressure relief valve setting shall not exceed pressure rating of any component in the system.

3.Service valves are shown for servicing unit. However, local codes shall govern their usage.

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Contents Commercial gas water heaters Table Of Contents Asme CRN Safe Installation, Use and ServiceFire and Explosion Hazard General Safety InformationHydrogen Gas Flammable PrecautionsGrounding Instructions Qualifications IntroductionAbbreviations Used Features and components 2 NPT Installation considerationsRough In Dimensions Model Right Left Back Ceiling Side Locating the Water HeaterClearances Insulation Blanket Installation On Combustible FlooringHard Water Circulation PumpsNatural Gas Installations Propane InstallationsHigh Altitude 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 VentingValve Discharge Pipe Water heater installationWater Line Connections Code Restrictions Installation Diagrams Top Inlet/Outlet UsageHeater Wiring Purging Gas PipingGas Pressure Regulator GAS Supply Pipe Length FeetFilling AdjustmentsGeneral 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 Solvents Tank Cleanout ProcedureDeliming Using Flo-Jug Method 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