American Water Heater ABCG3 instruction manual Multi Flue 2 Units with Vertical Storage Tank

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LEGEND

MULTI FLUE - (2 UNITS) WITH VERTICAL STORAGE TANK

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

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PIPE T&P TO	PIPE T&P TO
OPEN DRAIN	OPEN DRAIN

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

HOT WATER

RETURN

FINISHED FLOOR

COLD WATER

ALTERNATESUPPLY COLD WATER

CONNECTION

EXPANSION TANK

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 ApprovalsGeneral Safety Information Fire and Explosion HazardPrecautions Hydrogen Gas Flammable Grounding InstructionsQualified Installer or Service Agency IntroductionAbbreviations Used QualificationsEliminator self-cleaning system High Limit SwitchLow Gas Pressure Switch Electronic Ignition ControlInstallation considerations Rough In DimensionsROUGH-IN-DIMENSIONS Recovery CAPACITIES, based on 80% efficiencyLocating the Water Heater ClearancesInsulation Blanket Installation on Combustible FlooringCirculation pumps High Altitude Installations Installation Requirements Temperature-Pressure Relief Valve Dishwashing MachinesClosed Water Systems Thermal ExpansionAir Requirements Contaminated AirValve Discharge Pipe Requirements Confined Space Unconfined SpaceVenting Multiple 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 HeatersTechnical Data Venting Water Line Connections Water heater installationValve Discharge Pipe Installation Diagrams Top Inlet/Outlet Usage Tube Inlet InstallationHeater Wiring Gas Line Leak Testing Gas PipingPurging Gas Meter Size Natural Gases OnlyPrior to Start Up Start UpInitial Start Up Water Temperature Adjustment Checking VentingGas Valves Checking the InputSequence of Operation Lighting & Operation LabelSequence of Operation Flow Chart Maintenance Hot Water Odor Anode Rod InspectionDraining and Flushing To Drain the Water Heater Storage TankTank Cleanout Procedure Deliming Using FLO-JUG MethodDeliming Solvents ExampleChemical Hazard Ignition Module System System DiagnosticsElectrical Servicing High Water Temperature Shut Off System For Your InformationStart Up Conditions Operational ConditionsQualified Service Agency TroubleshootingComplaint Cause Remedy User Diagrams 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 Service and Repair Expenses Claim ProcedureALL Other Parts Conditions and Exceptions