Raypak 902B, 302B manual Component Locations Back

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Component Locations

Fig. 1: Component Locations – Back

Fig. 2: Component Locations – Left Side

Panels removed for clarity

Fig. 3: Component Locations – Front

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Contents Installation & Operating Instructions Deletions None Contents Pay Attention to These Terms Product Receipt Before InstallationInstallations at Elevation Model IdentificationComponent Locations Component Locations BackGeneral Information General Safety Time/Temperature Relationships in ScaldsWater Time to Produce Serious Temp Burn Equipment Base InstallationInstallation Codes StackingIndoor Installations Outdoor InstallationsClearances Ft 91 cm within a Reversing Air Filter Combustion and Ventilation AirIndoor Units Direct VentTruSeal Combustion Air InstallationsConventional Combustion Air Supply All Air from Inside the BuildingGeneral Canadian InstallationsWater Piping Reversing Water ConnectionsRelief Valve Piping Hydrostatic Test Cold Water OperationPump Selection Temperature & Pressure GaugeHydronic Heating Cold Water StartsAir-Separation/Expansion Tank Pressure Drop in Feet of Head Feedwater RegulatorPiping Three-Way ValvesPotable Water and Space Heating Pool HeatingPool/Spa Water Chemistry Automatic Chlorinators and Chemical FeedersWinterizing Your Heater Water HardnessPH of Water Total Dissolved SolidsModel Gas SupplyGas Supply Connection Table K Maximum Equivalent Pipe LengthElectrical Power Connections Gas Supply PressureField-Connected Controllers Field Wiring Connection Check the Power SourceMaking the Electrical Connections Stage Tankstat Model Diameter Order Number VentingFlue Exhaust Tee Appliance CategoriesSupport of Vent Stack Vent Terminal LocationInstallations Canadian InstallationsChanging the Flue Outlet Installation Venting Installation TipsVenting Configurations Natural Draft Vertical Venting CategoryCertified Vertical Venting Combustion Air Air Inlet TerminationCommon Venting System HeightHorizontal Through-the-Wall Venting Category Horizontal Through-the-Wall Venting CategoryVenting Direct Vent Horizontal Through- the-WallModel Certified Maximum Combustion Air Inlet EquivalentDirect Vent Vertical Direct Vent VerticalOutdoor Installation ControlsFreeze Protection Heater Sequence of Operation Models 302B-902BExternal Lights Color Indication Ignition Module Code ConditionHigh and Low Gas Pressure Switches High Limit Manual ResetFlow Switch Low Water Cut-Off OptionalUDB Diagnostic Board UDB Fault HistoryPump Time Delay Table R UDB Fault Messages Venting Appliance Categories 87%-Efficiency Boilers Special InstructionsWater Piping Model 10F 20F 30F Min. Flow Max Flow GpmVertical Venting Category Vent Terminal LocationCondensate Management Certified Maximum Combustion Air Air Inlet Model Venting 752BE Combustion Air 902BE 30’ 80’Direct Vent Horizontal Through- the-Wall ABS Cpvc Wiring Diagram START-UP Pre Start-upBlower Adjustment Main Burner AdjustmentStart-Up Follow-Up Safety InspectionLeak Test Procedure Dual-Seat Gas Valves Pilot Turn-Down TestPost Start-Up Check Leak TestOperation Lighting InstructionsTo Turn Off Gas To Appliance Troubleshooting StepMaintenance Suggested Minimum Maintenance SchedulePreventive Maintenance Schedule Annually WeeklySemi-Annually As RequiredAppendix Inside Air ContaminationLimited Parts Warranty HI Delta Types H and WH Limited Parts Warranty HI Delta Type P START-UP Checklist for FAN-ASSISTED Raypak Products Important Instructions for the Commonwealth of Massachusetts

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302B, 902B specifications

Raypak is a prominent name in the heating industry, particularly known for its advanced technology and robust design in residential and commercial heating solutions. Two of their notable models, the Raypak 302B and 402B, exemplify innovation and efficiency in hydronic heating systems, designed to meet diverse needs while ensuring optimal performance.

The Raypak 302B and 402B are high-efficiency boilers that utilize gas-fueled systems. The 302B model has a heating capacity of 302,000 BTU/h, while the 402B boasts a maximum capacity of 402,000 BTU/h. This range of heating output makes these models suitable for a variety of applications, from residential heating needs to larger commercial spaces that require a reliable heat source.

One of the standout features of the Raypak 302B and 402B is their use of fire-tube heat exchanger technology. This design promotes efficient heat transfer and allows for lower emissions, thus minimizing the environmental impact. The fire-tube design also contributes to a longer lifespan and reduced maintenance costs, making these boilers a cost-effective solution over time.

Equipped with advanced control systems, the Raypak 302B and 402B ensure precise temperature regulation and improved energy usage. The digital display provides real-time feedback and diagnostics, enhancing user experience and simplifying troubleshooting. These models are also compatible with various building management systems, providing users with versatility in integration to optimize building performance.

In addition to their technological advancements, these boilers are designed with user safety and convenience in mind. They include features such as built-in safety controls, easy access for service and maintenance, and a compact footprint to fit into tight spaces. Their robust construction ensures durability, which is crucial for systems that operate under high demand.

Moreover, both models have been engineered to succeed in various climates, making them reliable choices for users in diverse geographical locations. With their energy-efficient operation, reliable performance, and advanced features, the Raypak 302B and 402B embody quality and innovation in the heating market, ensuring comfortable environments while lowering energy costs and environmental footprints.