Manuals / Raypak / Household Appliance / Water Heater

Raypak 503-2003 manual Models

Models: 503-2003

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Models 1753–2003

Models 1753–2003

40

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Raypak 503-2003 manual Models

Contents

INSTALLATION & OPERATING INSTRUCTIONS Models 503-2003 Types H & WHRev. 8 reflects the following CONTENTS WARNINGS Pay Attention to These TermsBEFORE INSTALLATION Installations at ElevationProduct Receipt Model IdentificationComponent Locations General InformationFig. 1 Component Locations - Side Fig. 2 Component Locations - FrontGENERAL SAFETY Time/Temperature Relationships in ScaldsWater Time to Produce SeriousINSTALLATION Installation CodesEquipment Base ClearancesCombustion and Ventilation Air ServiceHeater Min. ClearanceCanadian Installations2 U.S. Installations1Table E Vent/Air Inlet Termination Clearances Conventional Combustion Air Supply U.S. InstallationsAir Filter Direct VentCanadian Installations Water PipingGeneral Temperature & Pressure Gauge Relief Valve PipingHydrostatic Test Cold Water OperationHydronic Heating Pump SelectionFeedwater Regulator Cold Water StartsModel Min. FlowMax. Flow P ftThree-WayValves Domestic Hot WaterPotable Water and Space Heating Pool Heating1.Turn on pump Winterizing Your Heater Recommended LevelsFiberglass Pools Fiberglass SpasGas Supply Gas Supply ConnectionGas Supply Pressure Automatic Chlorinators and Chemical FeedersElectrical Power Connections Natural GasField-ConnectedControllers Check the Power SourceMaking the Electrical Connections Field Wiring Connection VentingDANGER SHOCK HAZARD Appliance CategoriesExhaust Configuration U.S. InstallationsCombustion Air Supply Heater Venting CategoryVenting Installation Tips Venting ConfigurationsCanadian Installations InstallationTermination Volume of Common VentingVent ModelInstallation 75’ of straight flue pipeInstallation ModelCertified Combustion AirOutdoor Installation TerminationFreeze Protection ControlsOperating Modes Mode 5 - Outdoor reset using primary/secondary pip- ing. The heater is operated as in Mode 2. However, the target temperature is based on outdoor reset. See Fig Mode 8 - This mode is for remote firing control of the heater via an external sequencer such as the Raypak TempTracker MOD+. The Boil Max setting is the heater shutdown temperature max temperature. The heater is enabled via dry contact at the Enable/Disable connection at the low voltage terminal strip, and the fir- ing rate is controlled by a 0-10VDC signal from the external sequencer. A control signal of ≥0.5 VDC equates to minimum fire, and a signal of 10 VDC equates to 100% firing rate. See Fig Default Setting 0-10VDC0-20mA 2-10VDCDefinitions Fault Description RankNumber Field TypeHeater Sequence of Operation High Limit-ManualResetIgnition Module CodeHigh Limit-AutoReset Optional Modulating Temperature ControlFlow Switch High & Low Gas Pressure Switches OptionalBlocked Vent Switch Air Pressure SwitchUDB Diagnostic Board WIRING DIAGRAMS - Models Models START-UP Pre Start-upPre Start-upCheck Initial Start-upPreparation Start-UpCheck Power Supply Attach Manometers to Measure PressuresSetting Setting in. WCSetting Manifold Gas Pressure SettingLeak Test Procedure Dual-SeatGas Valve Follow-UpOPERATION Lighting InstructionsTo Turn Off Gas To Appliance TROUBLESHOOTING Step Step StepStep Step StepUDB Fault History MAINTENANCESuggested Minimum Maintenance Schedule Preventive Maintenance Schedule PeriodicallyDaily WeeklyFilter Replacement Filter MaintenanceAs Required APPENDIX Inside Air Contamination248 CMR 5.082a1 through LIMITED PARTS WARRANTY MVB - TYPES H AND WH HEAT EXCHANGER WARRANTYADDITIONAL WARRANTY EXCLUSIONS PARTS REPLACEMENTSTART-UPCHECKLIST FOR FAN-ASSISTED RAYPAK PRODUCTSEMISSIONS SETTINGS AND TEST INFORMATION Nominal Factory Recommended Settings