American Water Heater (A)BCG3 85T500-8P, (A)BCG3 85T500-8N Water Piping, Diagrams

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MULTI FLUE - (1 UNIT) WITH VERTICAL STORAGE TANK

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

PIPE T&P TO

OPEN DRAIN

LEGEND

TEMPERATURE & PRESSURE

RELIEF VALVE

PRESSURE RELIEF VALVE

CIRCULATING PUMP

TANK TEMPERATURE CONTROL

DRAIN

HOT WATER

TO FIXTURES

FULL PORT BALL VALVE

CHECK VALVE

TEMPERATURE GAGE

WATER FLOW SWITCH

water Piping

34

FINISHED

FLOOR

HOT WATER RETURN

FROM FIXTURES

ALT. COLD WATER

CONNECTION

COLD WATER

SUPPLY

EXPANSION

TANK

Diagrams

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.

4.The Tank Temperature Control should be wired to and control the pump between the water heater(s) and the storage tank(s).

5.The water heater’s operating thermostat should be set 5 degrees F higher than the Tank Temperature Control.

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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 Hard Water Installation On Combustible FlooringInsulation Blanket Circulation PumpsHigh Altitude Installations Propane InstallationsNatural Gas Installations Water Temperature Controland Mixing Valves Installation RequirementsPower Supply Gas Pressure RequirementsClosed Water Systems Temperature-Pressure Relief ValveDishwashing Machines Thermal ExpansionContaminated Air Air RequirementsConfined Space VENTING InstallationUnconfined Space Vent AdapterOutdoor Air Through Two Openings Multiple Heater ManifoldFresh Air Openings For Confined Spaces 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 Pressure Regulator Gas PipingPurging GAS Supply Pipe Length FeetGeneral AdjustmentsFilling For Your Safety Read Before Operating Lighting & Operation LabelCheck Venting Check the Igniter AssemblyIgniter Assembly Main BurnerTemperature-Pressure Relief Valve Test MAINTENANCERemote Storage Tank Temperature Control Checking the InputDraining and Flushing Hot Water OdorAnode Rod Inspection 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