American Water Heater HCG3 130T 300 instruction manual American Storage Tank

Page 70

Water Piping Diagrams

Before installation of water piping review the following:

1.See Mixing Valves on page 14.

2.See Dishwashing Machines on page 14.

3.See Temperature-Pressure Relief Valve on page 15.

4.See Closed Systems and Thermal Expansion on page 14

5.See Water Line Connections on page 40.

6.If a pump is being installed between a water heater and storage tank or on a building recirculation loop wire according to Figure 63 on page 66.

7.If a pump is being installed in a recirculation loop between the water heater and a commercial dishwasher wire according to Figure 63 or Figure 64 on page 66.

70

ONE WATER HEATER, SINGLE TEMPERATURE

WITH HORIZONTAL STORAGE TANK FORCED RECIRCULATION WITH BUILDING RECIRCULATION

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

AMERICAN

STORAGE TANK

FINISHED

FLOOR

LEGEND

TEMPERATURE & PRESSURE

FULL PORT BALL VALVE

RELIEF VALVE

 

PRESSURE RELIEF VALVE

MIXING VALVE

 

CIRCULATING PUMP

CHECK VALVE

 

TANK OR LINE TEMPERATURE

TEMPERATURE GAGE

CONTROL

 

DRAIN

WATER FLOW SWITCH

HOT WATER

OUTLET

LINE TEMPERATURE

CONTROL

HOT WATER

RETURN

TANK TEMPERATURE

CONTROL

COLD WATER

ALTERNATE TANKSUPPLY

TEMPERATURE

CONTROL LOCATION

EXPANSION

TANK

NOTE:

The water heater’s Operating Set Point should be set 5° higher than the Tank Temperature Control in the auxiliary storage tank.

Image 70
Contents Commercial gas water heaters Table Of Contents ANSI/NSF-5 Safe Installation, Use and ServiceOptional Precautions General Safety InformationHydrogen Gas Flammable Fire or Explosion Hazard Fire and Explosion HazardIntroduction Preparing For The InstallationQualified Installer or Service Agency Abbreviations UsedFeatures And Components Basic OperationTop View Top View ComponentsSide Views Recovery Capacities Installation ConsiderationsRough In Dimensions Gas Line Connection SizeClearance To Combustible Materials Service ClearanceLocating The Water Heater Intake Air and Vent Pipe ClearancesHard Water Extended Vent TerminationsOptional Concentric Terminations Circulation PumpsGas Pressure Requirements Installation RequirementsPower Supply Supply Gas LineClosed Water Systems Mixing ValvesDishwashing Machines Thermal ExpansionTemperature-Pressure Relief Valve Valve Discharge Pipe RequirementsContaminated Air Condensate DrainCombustible Material Storage Condensate Drain Water TrapUnconfined Space Air RequirementsConfined Space Outdoor Air Through One Opening Fresh Air Openings For Confined SpacesOutdoor Air Through Two Openings Outdoor Air Through Two Horizontal DuctsPage Commonwealth of Massachusetts InspectionGeneral Venting Information Venting InstallationGeneral Venting Instructions Venting Requirements Power Vent Installation Venting Installation SequenceDirect Vent Installation Vertical Termination Installation Intake AIR Screen Balance PlateVertical Termination Direct Vent Sidewall Termination Installation Sidewall Termination InstallationConcentric Termination Installation Inch Concentric Termination Flat Roof ClearanceInch Concentric Termination Installation Inch Concentric Termination KITInch Concentric Termination Sidewall Installation Vent Pipe is 4 Inch Schedule 40 PVCFour Concentric Terminations TWO Concentric TerminationsThree Concentric Terminations Eight Concentric TerminationsTwo Concentric Terminations Multiple Concentric Termination ArrangementsEight Concentric Terminations Venting Arrangements Power Vent HorizontalDirect Vent Horizontal Direct Vent Horizontal Vent Vertical Intake Direct Vent Vertical Vent Horizontal IntakeDirect Vent Horizontal Concentric Termination Clearances Sidewall Power Vent Power VentTermination Clearances Sidewall Direct Vent Direct VentInstallation Notes Water Heater InstallationCondensate Drain Installation Installation InstructionsSupply Gas Line Sizing U. S. Units Supply Gas Line InstallationGas Line Sizing Supply Gas Line Sizing Metric UnitsGas Line Leak Testing Supply Gas Regulator InstallationGas Line Connection Enable/Disable Circuit Electrical WiringPower Supply Connections Connecting An External Supervisory ControlValve Discharge Pipe Water Piping DiagramsWater Line Connections Thermometers not SuppliedHigh Temperature Applications Temperature RegulationHigh Temperature Limit Control ECO Thermostat ControlControl System Navigation Control System OperationOverview User Input ButtonsStatus Icons Icon DescriptionControl System Menus Operating StatesState Description Menu DescriptionBack Help User Settings & Control System MenusUpdate Cancel Description/Action DisplayChange Back Help Display Settings Description/Action Heater Information Description/Action DisplayECO Back AdvancedView Back Help YESSelect Back Help UpdateService Contact Information NamePrior to Start up Start UpInitial Start Up Multiple Appliance Installations Supply Gas Pressure AdjustmentManifold Gas Pressure Adjustment Checking The Firing Rate High Altitude InstallationsTo Turn Off Gas Lighting & Operation Label Lighting The Water HeaterHoneywell Installation Checklist TroubleshootingSequence Of Operation Sequence Of Operation Flow Chart YES noRough Starting, Rough Operation Operational ProblemsInstallation Errors Momentary IgnitionFault And Alert Conditions Fault And Alert Messages Possible Causes Check/Repair Displayed Fault/Alert MessageBlower Prover Failure General MaintenanceMaintenance Schedule Draining And FlushingSediment Removal Filling The Water HeaterLime Scale Removal Temperature-Pressure Relief Valve Test Powered Anode RodsDrain Valve and Access Panels Vent SystemDiagrams CCB Central Control Board LayoutAHCG3 130T 300 Wiring Diagram User Interface ModulAHCG3 130T 400 Wiring Diagram UserCirculation Pump Wiring Diagrams Water Piping Diagrams Temperature & Pressure Tank Temperature ALT. Cold Water American Storage Tank Water Piping Diagrams Line Temperature Control HOT Water Outlet Pipe T&P to Open Drain Finished Floor Limited Warranty