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Raypak 302A-902A manual

Models: 302A-902A

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Contents

302A-902ATypes H, WH & P ModelsINSTALLATION AND OPERATING INSTRUCTIONS WHAT TO DO IF YOU SMELL GASPage CONTENTS DANGER WARNINGSPay Attention to These Terms WARNING - CALIFORNIA PROPOSITIONModel Identification BEFORE INSTALLATIONProduct Receipt Ratings and CertificationsFig. 2: Component Locations - Left Side Component LocationsFig. 1 Component Locations - Back Panels removed for clarityGeneral Information GENERAL SAFETY Time/Temperature Relationships in ScaldsEquipment Base INSTALLATIONInstallation Codes StackingOutdoor Installations ClearancesIndoor Installations Table G Vent/Air Inlet Termination Clearances U.S. Installations1Canadian Installations2 Reversing Air Filter Combustion and Ventilation AirIndoor Units Direct VentTruSeal Combustion Air Conventional Combustion Air SupplyU.S. Installations All Air from Inside the BuildingGeneral Water PipingCanadian Installations Reversing Water ConnectionsCold Water Operation Relief Valve PipingHydrostatic Test P ft Hydronic HeatingP ft P ftAir-Separation/ExpansionTank Pressure Drop in Feet of Head Feedwater RegulatorPiping Three-WayValvesPotable Water and Space Heating Automatic Chlorinators and Chemical Feeders Winterizing Your HeaterWater Hardness Gas SupplyPool/Spa Water Chemistry pH of WaterTable J Maximum Equivalent Pipe Length Gas Supply ConnectionReversing Gas Supply Connection Gas Supply Pressure Electrical Power ConnectionsCheck the Power Source Field-ConnectedControllersField Wiring Connection Making the Electrical ConnectionsFig. 21 Wiring Connections DANGER SHOCK HAZARDVenting Appliance CategoriesSupport of Vent Stack Vent Terminal LocationCanadian Installations Changing the Flue OutletU.S. Installations Installation Venting Installation TipsVenting Configurations Natural Draft Vertical Venting CategoryCombustion Air CertifiedVertical Venting Air InletTermination InstallationHorizontal Through-the-WallVenting Category Maximum ModelCertified CombustionSee Table L for Category I venting guidelines InstallationTermination TerminationFreeze Protection Outdoor InstallationControls Heater Sequence of Operation Models 302A, 402A, 502A, 652A, 752A and 902AColor External LightsLight IndicationCondition Ignition ModuleCode High and Low Gas Pressure Switches High Limit Manual ResetFlow Switch Operating ControlFig. 36 Blocked Vent Switch Fig. 34 High/Low Gas Pressure SwitchFig. 35 Fan-ProvingSwitch Venting 87%-EfficiencyBoilers - Special InstructionsWater Piping Appliance CategoriesCondensate Management Vertical Venting CategoryVent Terminal Location Common Venting SystemCertified InstallationCommon Venting System Common Venting System Installation40’ of straight flue pipe Direct Vent - Vertical Wiring Diagram WHAT TO DO IF YOU SMELL GAS START-UPPre Start-up Tools NeededPreparation Start-UpCheck Power Supply Attach Manometers to Measure PressuresFollow-Up Safety InspectionLeak Test Procedure Dual-SeatGas Valves Pilot Turn-DownTestPost Start-UpCheck To Turn Off Gas To Appliance OPERATIONLighting Instructions TROUBLESHOOTING Step Step Step Step Step Step StepPreventive Maintenance Schedule MAINTENANCESuggested Minimum Maintenance Schedule Semi-Annually WeeklyMonthly AnnuallyAPPENDIX Inside Air ContaminationADDITIONAL WARRANTY EXCLUSIONS LIMITED PARTS WARRANTY HI DELTA - TYPES H AND WHHEAT EXCHANGER WARRANTY PARTS REPLACEMENTADDITIONAL WARRANTY EXCLUSIONS LIMITED PARTS WARRANTY HI DELTA - TYPE PHEAT EXCHANGER WARRANTY PARTS REPLACEMENT