American Water Heater Commercial Gas Water Heaters HCG3 100T 199 & SUF 250 Intake AIR Connection

Page 23

A/HCG3 100T 199 & SUF 250 INTAKE AIR CONNECTION

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INSPECT/ADJUST INTAKE AIR TEE FITTING

FACTORY INSTALLED INTAKE AIR TEE FITTING

1/2 INCH BRANCH

HOSE BARB FITTING FOR BLOCKED INTAKE AIR SWITCH SENSING TUBE

COMBUSTION BLOWER

FERNCO

COUPLING

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COMBUSTION BLOWER ASSEMBLY 199,000 & 250,000 Btu/hr MODELS

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90° TO 130°

END VIEW

CORRECT ORIENTATION

INTAKE AIR TEE FITTING

Figure 16

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LARGE HOSE

FERNCO

CLAMP

COUPLING

INTAKE AIR

3 INCH PVC

TEE FITTING

 

INTAKE AIR CONNECTION PIPE

199,000 & 250,000 Btu/hr MODELS

Figure 17

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Contents
7KDQN\RXIRUEX\LQJWKLVHQHUJ\HI¿FLHQWZDWHUKHDWHU Installation Operation Service Maintenance Limited WarrantyDSSUHFLDWH\RXUFRQ¿GHQFHLQRXUSURGXFWV American Water HeaterTable of Contents KHDWHUVFRYHUHGLQWKLVPDQXDO Safe INSTALLATION, USE and ServiceApprovals SRWHQWLDOHSRVXUHWRVXFKVXEVWDQFHVHydrogen GAS Flammable General Safety InformationPrecautions Grounding InstructionsFire or Explosion Hazard Installing, using or servicing Water heaterAbbreviations Used Preparing for the InstallationQualified Installer or Service Agency IntroductionBasic Operation Features and ComponentsHCG3 120 & 150 Components TOP Views 3RZHUHGDQRGHURGV7KHZDWHUKHDWHU¶VFRYHUHGLQWKLV HCG3 199 & 250 Components,QWDNHDLUFRQQHFWLRQLQFK39& RQSDJHDQG&RQGHQVDWHUDLQ,QVWDOODWLRQRQSDJH Side Views DWHURXWOHWSLSH´137FRQQHFWLRQ 9HQWFRQQHFWLRQ HKDXVWHOERZ LQFK39&Front Installation ConsiderationsRough in Dimensions TOP ViewsGAS Line Connection Size Recovery CapacitiesGAS Pressure Requirements Locating the Water HeaterCirculation Pumps Extended Vent TerminationsOptional Concentric Terminations Hard WaterSupply GAS Regulator Installation RequirementsPower Supply GAS Supply SystemsThermal Expansion Mixing ValvesDishwashing Machines Closed Water SystemsValve Discharge Pipe Requirements TEMPERATURE-PRESSURE Relief ValveCondensate Drain Water Trap Condensate DrainCombustible Material Storage Contaminated AIRUnusually Tight Construction AIR RequirementsUnconfined Space Confined Space Outdoor AIR Through TWO Horizontal Ducts Fresh AIR Openings for Confined Spaces Outdoor AIR Through TWO Openings Outdoor AIR Through ONE OpeningWKDQLQFKHV FP  Outdoor AIR Through TWO Vertical DuctsAIR from Other Indoor Spaces RXWGRRUV6HHLJXUHSignage Installation of Carbon Monoxide DetectorsCommonwealth of Massachusetts Inspection Approved Carbon Monoxide DetectorsGeneral Venting Instructions Venting InstallationPower Vent Configuration General Venting InformationHCG3 100T 199 & SUF 250 Intake AIR Connection INSPECT/ADJUST Intake AIR TEE FittingAdjustment Procedure Venting Requirements Direct Vent Installation Venting Installation SequencePower Vent Installation Pipe Field Supplied Installed Intake AIRField Supplied Factory Installed Intake AIR Connection Remove for Direct VentVertical Termination Installation Field Supplied STRAP/SUPPORT Vertical Terminations InstallationVertical Termination Direct Vent Vertical Terminations Flat Roof ClearanceOHDVWLQFKHV FP 6HHLJXUH Sidewall Termination InstallationSidewall Termination Installation SDVVWKURXJKWKHZDOOVDPHORFDWLRQ Concentric Termination InstallationConcentric Termination Flat Roof Clearance QDWLRQDOFRGHVPXVWEHPDLQWDLQHGInch Concentric Termination KIT Inch Concentric Termination InstallationEight Concentric Terminations TWO Concentric TerminationsThree Concentric Terminations Four Concentric TerminationsJURXSVGHSHQGLQJRQDYDLODEOHVSDFH Multiple Concentric Termination ArrangementsTwo Concentric Terminations Eight Concentric TerminationsDirect Vent Horizontal Power Vent HorizontalVenting Arrangements Direct Vent Horizontal Concentric Direct Vent Vertical Vent Horizontal IntakeDirect Vent Horizontal Vent Vertical Intake Power Vent Termination Clearances Sidewall Power VentDirect Vent Termination Clearances Sidewall Direct VentInstallation Instructions Water Heater InstallationCondensate Drain Installation Installation NotesSupply GAS Line Sizing Metric Units Supply GAS Line InstallationGAS Line Sizing Supply GAS Line Sizing U. S. UnitsGAS Line Connection GAS Line Leak TestingPurging Connecting An External Supervisory Control Electrical WiringPower Supply Connections ENABLE/DISABLE CircuitWater Potable Heating and Space Heating Water Piping DiagramsWater Line Connections Valve Discharge Pipe Thermometers not SuppliedThermostat Control Temperature RegulationHigh Temperature Limit Control ECO High Temperature ApplicationsMenu Help Control System OperationOverview Control System NavigationIcon Description Status IconsMenu Description Operating StatesState Description Control System MenusBack Help User Settings & Control System MenusUpdate Cancel Change Back Help Hrs 22 mins Elapsed TimeDay 0 hrs 0 mins Burner On TimeYesno Back AdvancedView Back Help ECOYour Company Name Here UpdateSelect Back Help NameInitial Start UP Start UPPrior to Start UP GAS Valve TOP Detail View GAS Valve / Venturi Assembly TOP ViewGAS Valve TOP View GAS Valve Side ViewPDQXDOIRUIXUWKHUDVVLVWDQFH Supply GAS Pressure AdjustmentMultiple Water Heater Installations Manifold GAS Pressure AdjustmentFLUFXPVWDQFHV Checking the Firing Rate High Altitude Installations‡  VHFRQGVLQRQHKRXU To Turn OFF GASDQGRSHUDWLQJWKHZDWHUKHDWHU On/Off SwitchLighting the Water Heater Lighting & Operation LabelsMenu Help Tank Temperature 103F Operating Set Point 120FDo not TRY to Light the Burner by Hand Installation Checklist Sequence of Operation TroubleshootingYES no Sequence of Operation Flow ChartMomentary Ignition Operational ProblemsInstallation Errors Rough STARTING, Rough OperationFault and Alert Conditions Heater Information menu see Heater Information on Possible Causes CHECK/REPAIR Displayed FAULT/ALERT MessageBack Advanced No Anode Voltage Blower Prover FailureDraining and Flushing MaintenanceGeneral Maintenance Schedule Manual Lime Scale Removal Filling the Water HeaterSediment Removal Lime Scale RemovalVent System Powered Anode RodsDrain Valve and Access Panels TEMPERATURE-PRESSURE Relief Valve TestChanging Number of Ignition Trials Before Lock OUT DiagramsS1 Dipswitch CCB Central Control Board LayoutGround VAC Neutral VAC HOT HCG3 120 & 150 Wiring DiagramTransformer 50VA ON/OFFGround Strip Burner Ground Inside CCB Burner Bolt Enclosure HCG3 199 & 250 Wiring Diagram11 on J6 Plug Circulation Pump Wiring Diagrams Finished Floor Cold Water Supply Expansion Tank Water Piping DiagramsLine Temperature Control HOT Water Return HOT Water Outlet Pipe T&P to Open Drain6HH0LLQJ9DOYHVRQSDJH 6HH&ORVHG6\VWHPVDQG7KHUPDOSDQVLRQRQSDJH6HHDWHU/LQH&RQQHFWLRQVRQSDJH HIRUHLQVWDOODWLRQRIZDWHUSLSLQJUHYLHZWKHIROORZLQJPipe T&P to Open Drain Finished Floor Storage TankHOT Water Outlet Storage Tanktemperature Water Piping Diagrams Open Drain HOT Water Return Cold Water Supply Expansion Tank Full Port Ball Valve Temperature & PressureHOT Water Outlet Pipe T&P to Open Drain Finished Floor 6&XVWRPHUV Page ZZZDPHULFDQZDWHUKHDWHUFRP
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