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Raypak 302A-902A manual Danger Shock Hazard, Wiring Connections

Models: 302A-902A

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DANGER: SHOCK HAZARD

Make sure electrical power to the heater is discon- nected to avoid potential serious injury or damage to components.

Fig. 21: Wiring Connections

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Raypak 302A-902A manual Danger Shock Hazard, Wiring Connections

Contents

Models INSTALLATION AND OPERATING INSTRUCTIONS302A-902ATypes H, WH & P WHAT TO DO IF YOU SMELL GASPage CONTENTS WARNINGS Pay Attention to These TermsDANGER WARNING - CALIFORNIA PROPOSITIONBEFORE INSTALLATION Product ReceiptModel Identification Ratings and CertificationsComponent Locations Fig. 1 Component Locations - BackFig. 2: Component Locations - Left Side Panels removed for clarityGeneral Information GENERAL SAFETY Time/Temperature Relationships in ScaldsINSTALLATION Installation CodesEquipment Base StackingClearances Indoor InstallationsOutdoor Installations U.S. Installations1 Canadian Installations2Table G Vent/Air Inlet Termination Clearances Combustion and Ventilation Air Indoor UnitsReversing Air Filter Direct VentConventional Combustion Air Supply U.S. InstallationsTruSeal Combustion Air All Air from Inside the BuildingWater Piping Canadian InstallationsGeneral Reversing Water ConnectionsRelief Valve Piping Hydrostatic TestCold Water Operation Hydronic Heating P ftP ft P ftPressure Drop in Feet of Head Feedwater Regulator PipingAir-Separation/ExpansionTank Three-WayValvesPotable Water and Space Heating Automatic Chlorinators and Chemical Feeders Winterizing Your HeaterGas Supply Pool/Spa Water ChemistryWater Hardness pH of WaterGas Supply Connection Reversing Gas Supply ConnectionTable J Maximum Equivalent Pipe Length Electrical Power Connections Check the Power SourceGas Supply Pressure Field-ConnectedControllersField Wiring Connection Making the Electrical ConnectionsFig. 21 Wiring Connections DANGER SHOCK HAZARDVenting Appliance CategoriesSupport of Vent Stack Vent Terminal LocationChanging the Flue Outlet U.S. InstallationsCanadian Installations Venting Installation Tips Venting ConfigurationsInstallation Natural Draft Vertical Venting CategoryCertified Vertical VentingCombustion Air Air InletInstallation Horizontal Through-the-WallVenting CategoryTermination Model CertifiedMaximum CombustionInstallation TerminationSee Table L for Category I venting guidelines TerminationOutdoor Installation ControlsFreeze Protection Heater Sequence of Operation Models 302A, 402A, 502A, 652A, 752A and 902AExternal Lights LightColor IndicationIgnition Module CodeCondition High Limit Manual Reset Flow SwitchHigh and Low Gas Pressure Switches Operating ControlFig. 34 High/Low Gas Pressure Switch Fig. 35 Fan-ProvingSwitchFig. 36 Blocked Vent Switch 87%-EfficiencyBoilers - Special Instructions Water PipingVenting Appliance CategoriesVertical Venting Category Vent Terminal LocationCondensate Management Common Venting SystemInstallation Common Venting SystemCertified Installation 40’ of straight flue pipeCommon Venting System Direct Vent - Vertical Wiring Diagram START-UP Pre Start-upWHAT TO DO IF YOU SMELL GAS Tools NeededStart-Up Check Power SupplyPreparation Attach Manometers to Measure PressuresSafety Inspection Leak Test Procedure Dual-SeatGas ValvesFollow-Up Pilot Turn-DownTestPost Start-UpCheck OPERATION Lighting InstructionsTo Turn Off Gas To Appliance TROUBLESHOOTING Step Step Step Step Step Step StepMAINTENANCE Suggested Minimum Maintenance SchedulePreventive Maintenance Schedule Weekly MonthlySemi-Annually AnnuallyAPPENDIX Inside Air ContaminationLIMITED PARTS WARRANTY HI DELTA - TYPES H AND WH HEAT EXCHANGER WARRANTYADDITIONAL WARRANTY EXCLUSIONS PARTS REPLACEMENTLIMITED PARTS WARRANTY HI DELTA - TYPE P HEAT EXCHANGER WARRANTYADDITIONAL WARRANTY EXCLUSIONS PARTS REPLACEMENT