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Contents
DSSUHFLDWH\RXUFRQ¿GHQFHLQRXUSURGXFWV Installation Operation Service Maintenance Limited WarrantyAmerican Water Heater 7KDQN\RXIRUEX\LQJWKLVHQHUJ\HI¿FLHQWZDWHUKHDWHUTable of Contents Approvals Safe INSTALLATION, USE and ServiceSRWHQWLDOHSRVXUHWRVXFKVXEVWDQFHV KHDWHUVFRYHUHGLQWKLVPDQXDOPrecautions General Safety InformationGrounding Instructions Hydrogen GAS FlammableFire or Explosion Hazard Installing, using or servicing Water heaterQualified Installer or Service Agency Preparing for the InstallationIntroduction Abbreviations UsedBasic Operation Features and ComponentsHCG3 120 & 150 Components TOP ViewsHCG3 199 & 250 Components ,QWDNHDLUFRQQHFWLRQLQFK39& 3RZHUHGDQRGHURGV7KHZDWHUKHDWHU¶VFRYHUHGLQWKLV  DWHURXWOHWSLSH´137FRQQHFWLRQ Side Views9HQWFRQQHFWLRQ HKDXVWHOERZ LQFK39& RQSDJHDQG&RQGHQVDWHUDLQ,QVWDOODWLRQRQSDJHRough in Dimensions Installation ConsiderationsTOP Views FrontGAS Pressure Requirements Recovery CapacitiesLocating the Water Heater GAS Line Connection SizeOptional Concentric Terminations Extended Vent TerminationsHard Water Circulation PumpsPower Supply Installation RequirementsGAS Supply Systems Supply GAS RegulatorDishwashing 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 Unusually Tight ConstructionOutdoor AIR Through TWO Openings Fresh AIR Openings for Confined SpacesOutdoor AIR Through ONE Opening Outdoor AIR Through TWO Horizontal DuctsAIR from Other Indoor Spaces Outdoor AIR Through TWO Vertical DuctsRXWGRRUV6HHLJXUH WKDQLQFKHV FP Commonwealth of Massachusetts Inspection Installation of Carbon Monoxide DetectorsApproved Carbon Monoxide Detectors SignagePower Vent Configuration Venting InstallationGeneral Venting Information General Venting InstructionsINSPECT/ADJUST Intake AIR TEE Fitting Adjustment ProcedureHCG3 100T 199 & SUF 250 Intake AIR Connection Venting Requirements Venting Installation Sequence Power Vent InstallationDirect Vent Installation Field Supplied Factory Installed Intake AIR Connection Supplied Installed Intake AIRRemove for Direct Vent Pipe FieldVertical Termination Installation Vertical Termination Direct Vent Vertical Terminations InstallationVertical Terminations Flat Roof Clearance Field Supplied STRAP/SUPPORTSidewall Termination Installation Sidewall Termination InstallationSDVVWKURXJKWKHZDOO OHDVWLQFKHV FP 6HHLJXUHConcentric Termination Flat Roof Clearance Concentric Termination InstallationQDWLRQDOFRGHVPXVWEHPDLQWDLQHG VDPHORFDWLRQInch Concentric Termination KIT Inch Concentric Termination InstallationThree Concentric Terminations TWO Concentric TerminationsFour Concentric Terminations Eight Concentric TerminationsTwo Concentric Terminations Multiple Concentric Termination ArrangementsEight Concentric Terminations JURXSVGHSHQGLQJRQDYDLODEOHVSDFHPower Vent Horizontal Venting ArrangementsDirect Vent Horizontal Direct Vent Vertical Vent Horizontal Intake Direct Vent Horizontal Vent Vertical 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 PurgingGAS Line Connection Power Supply Connections Electrical Wiring ENABLE/DISABLE Circuit Connecting An External Supervisory ControlWater Line Connections Valve Discharge Pipe Water Piping DiagramsThermometers not Supplied Water Potable Heating and Space HeatingHigh Temperature Limit Control ECO Temperature RegulationHigh Temperature Applications Thermostat ControlOverview Control System OperationControl System Navigation Menu HelpIcon Description Status IconsState Description Operating StatesControl System Menus Menu DescriptionUser Settings & Control System Menus Update CancelBack Help Change Back Help Day 0 hrs 0 mins Elapsed TimeBurner On Time Hrs 22 minsView Back Help Back AdvancedECO YesnoSelect Back Help UpdateName Your Company Name HereStart UP Prior to Start UPInitial Start UP GAS Valve TOP View GAS Valve / Venturi Assembly TOP ViewGAS Valve Side View GAS Valve TOP Detail ViewMultiple Water Heater Installations Supply GAS Pressure AdjustmentManifold GAS Pressure Adjustment PDQXDOIRUIXUWKHUDVVLVWDQFH‡  VHFRQGVLQRQHKRXU Checking the Firing Rate High Altitude InstallationsTo Turn OFF GAS FLUFXPVWDQFHVLighting the Water Heater On/Off SwitchLighting & Operation Labels DQGRSHUDWLQJWKHZDWHUKHDWHUTank Temperature 103F Operating Set Point 120F Do not TRY to Light the Burner by HandMenu Help Installation Checklist Sequence of Operation TroubleshootingYES 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 Back AdvancedHeater Information menu see Heater Information on No Anode Voltage Blower Prover FailureMaintenance General Maintenance ScheduleDraining and Flushing Sediment Removal Filling the Water HeaterLime Scale Removal Manual Lime Scale RemovalDrain Valve and Access Panels Powered Anode RodsTEMPERATURE-PRESSURE Relief Valve Test Vent SystemS1 Dipswitch DiagramsCCB Central Control Board Layout Changing Number of Ignition Trials Before Lock OUTTransformer 50VA HCG3 120 & 150 Wiring DiagramON/OFF Ground VAC Neutral VAC HOTHCG3 199 & 250 Wiring Diagram 11 on J6 PlugGround Strip Burner Ground Inside CCB Burner Bolt Enclosure Circulation Pump Wiring Diagrams Line Temperature Control HOT Water Return Water Piping DiagramsHOT Water Outlet Pipe T&P to Open Drain Finished Floor Cold Water Supply Expansion Tank6HHDWHU/LQH&RQQHFWLRQVRQSDJH 6HH&ORVHG6\VWHPVDQG7KHUPDOSDQVLRQRQSDJHHIRUHLQVWDOODWLRQRIZDWHUSLSLQJUHYLHZWKHIROORZLQJ 6HH0LLQJ9DOYHVRQSDJHStorage Tank HOT Water OutletPipe T&P to Open Drain Finished Floor Storage Tanktemperature Water Piping Diagrams Open Drain HOT Water Return Cold Water Supply Expansion Tank Temperature & Pressure HOT Water Outlet Pipe T&P to Open Drain Finished FloorFull Port Ball Valve 6&XVWRPHUV Page ZZZDPHULFDQZDWHUKHDWHUFRP
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