American Water Heater HCG3 130T 300 HOT Water Outlet Pipe T&P to Open Drain Finished Floor

Page 73

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.

FOUR WATER HEATERS, SINGLE TEMPERATURE WITH BUILDING RECIRCULATION

LEGEND

73

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

TEMPERATURE & PRESSURE RELIEF VALVE

PRESSURE RELIEF VALVE

CIRCULATING PUMP

TANK OR LINE TEMPERATURE CONTROL

DRAIN

FULL PORT BALL VALVE

CHECK VALVE

TEMPERATURE GAGE

WATER FLOW SWITCH

HOT WATER

OUTLET

PIPE T&P TO

OPEN DRAIN

FINISHED

FLOOR

PIPE T&P TO OPEN DRAIN

PIPE T&P TO OPEN DRAIN

 

LINE TEMPERATURE

 

CONTROL

PIPE T&P TO

HOT WATER

OPEN DRAIN

RETURN

 

COLD WATER

SUPPLY

EXPANSION

TANK

Image 73
Contents Commercial gas water heaters Table Of Contents ANSI/NSF-5 Safe Installation, Use and ServiceOptional Precautions General Safety InformationHydrogen Gas Flammable Fire and Explosion Hazard Fire or Explosion HazardQualified Installer or Service Agency Preparing For The InstallationIntroduction Abbreviations UsedBasic Operation Features And ComponentsTop View Components Top ViewSide Views Rough In Dimensions Installation ConsiderationsRecovery Capacities Gas Line Connection SizeLocating The Water Heater Service ClearanceClearance To Combustible Materials Intake Air and Vent Pipe ClearancesOptional Concentric Terminations Extended Vent TerminationsHard Water Circulation PumpsPower Supply Installation RequirementsGas Pressure Requirements Supply Gas LineDishwashing Machines Mixing ValvesClosed Water Systems Thermal ExpansionValve Discharge Pipe Requirements Temperature-Pressure Relief ValveCombustible Material Storage Condensate DrainContaminated Air Condensate Drain Water TrapUnconfined Space Air RequirementsConfined Space Outdoor Air Through Two Openings Fresh Air Openings For Confined SpacesOutdoor Air Through One Opening Outdoor Air Through Two Horizontal DuctsPage Inspection Commonwealth of MassachusettsGeneral Venting Information Venting InstallationGeneral Venting Instructions Venting Requirements Power Vent Installation Venting Installation SequenceDirect Vent Installation Intake AIR Screen Balance Plate Vertical Termination InstallationVertical Termination Direct Vent Sidewall Termination Installation Sidewall Termination InstallationInch Concentric Termination Flat Roof Clearance Concentric Termination InstallationInch Concentric Termination KIT Inch Concentric Termination InstallationVent Pipe is 4 Inch Schedule 40 PVC Inch Concentric Termination Sidewall InstallationThree Concentric Terminations TWO Concentric TerminationsFour 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 Power Vent Termination Clearances Sidewall Power VentDirect Vent Termination Clearances Sidewall Direct VentCondensate Drain Installation Water Heater InstallationInstallation Notes Installation InstructionsGas Line Sizing Supply Gas Line InstallationSupply Gas Line Sizing U. S. Units Supply Gas Line Sizing Metric UnitsGas Line Leak Testing Supply Gas Regulator InstallationGas Line Connection Power Supply Connections Electrical WiringEnable/Disable Circuit Connecting An External Supervisory ControlWater Line Connections Water Piping DiagramsValve Discharge Pipe Thermometers not SuppliedHigh Temperature Limit Control ECO Temperature RegulationHigh Temperature Applications Thermostat ControlOverview Control System OperationControl System Navigation User Input ButtonsIcon Description Status IconsState Description Operating StatesControl System Menus Menu DescriptionUpdate Cancel User Settings & Control System MenusBack Help Description/Action DisplayChange Back Help Heater Information Description/Action Display Display Settings Description/ActionView Back Help Back AdvancedECO YESService Contact Information UpdateSelect Back Help 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 YES no Sequence Of Operation Flow ChartInstallation Errors Operational ProblemsRough Starting, Rough Operation Momentary IgnitionFault And Alert Conditions Possible Causes Check/Repair Displayed Fault/Alert Message Fault And Alert MessagesBlower Prover Failure Maintenance Schedule MaintenanceGeneral Draining And FlushingSediment Removal Filling The Water HeaterLime Scale Removal Drain Valve and Access Panels Powered Anode RodsTemperature-Pressure Relief Valve Test Vent SystemCCB Central Control Board Layout DiagramsUser Interface Modul AHCG3 130T 300 Wiring DiagramUser AHCG3 130T 400 Wiring DiagramCirculation 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