Raypak 302A-902A manual Pay Attention to These Terms

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WARNINGS

Pay Attention to These Terms

DANGER:

Indicates the presence of immediate hazards which will cause severe person-

 

al injury, death or substantial property damage if ignored.

 

 

WARNING:

Indicates the presence of hazards or unsafe practices which could cause

 

severe personal injury, death or substantial property damage if ignored.

 

 

CAUTION:

Indicates the presence of hazards or unsafe practices which could cause

 

minor personal injury or product or property damage if ignored.

 

 

NOTE:

Indicates special instructions on installation, operation, or maintenance which

are important but not related to personal injury hazards.

 

 

 

DANGER: Make sure the gas on which the heater will operate is the same type as that specified on the heater rating plate.

WARNING: Should overheating occur or the gas supply valve fail to shut, do not turn off or disconnect the electrical supply to the heater. Instead, shut off the gas supply at a location external to the heater.

WARNING: Do not use this heater if any part has been under water. Immediately call a qualified serv- ice technician to inspect the heater and to replace any part of the control system and any gas control which has been under water.

WARNING: To minimize the possibility of improper operation, serious personal injury, fire, or damage to the heater:

•Always keep the area around the heater free of combustible materials, gasoline, and other flam- mable liquids and vapors.

•Heater should never be covered or have any blockage to the flow of fresh air to the heater.

WARNING: Risk of electrical shock. More than one disconnect switch may be required to de-energize the equipment before servicing.

WARNING - CALIFORNIA PROPOSITION

65:This product contains chemicals known to the State of California to cause cancer, birth defects or other reproductive harm.

CAUTION: Operation of this heater in low-temper- ature systems requires special piping. Harmful inter- nal condensation will occur if the inlet water temper- ature does not exceed 105°F. Warranty claims will be denied when condensation occurs.

CAUTION: If this heater is to be installed above radiation level, it must be provided with a low water cut-off device at the time of heater installation.

CAUTION: If this heater is to be installed in a neg- ative or positive pressure equipment room, there are special installation requirements. Consult factory for details.

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Contents Installation and Operating Instructions Page Contents Pay Attention to These Terms Before Installation Product ReceiptModel Identification Ratings and CertificationsComponent Locations Component Locations BackModel # Burners per Stages Fire at Valve General InformationModel # Burners Valve Firing Per Valve Staging Time/Temperature Relationships in Scalds General SafetyWater Time to Produce Serious Temp Burn Installation Installation CodesEquipment Base StackingOutdoor Installations Indoor InstallationsClearances Installations1 Canadian Installations2 Combustion and Ventilation Air Indoor UnitsReversing Air Filter Direct VentInstallations Conventional Combustion Air SupplyTruSeal Combustion Air All Air from Inside the BuildingCanadian Installations Water PipingGeneral Reversing Water ConnectionsRelief Valve Piping Hydrostatic Test Cold Water OperationTemperature & Pressure Gauge Hydronic HeatingPump Selection Min. Flow Max Flow GpmPressure Drop in Feet of Head Feedwater Regulator PipingAir-Separation/Expansion Tank Three-Way ValvesPotable Water and Space Heating Pool HeatingAutomatic Chlorinators and Chemical Feeders Winterizing Your HeaterGas Supply Pool/Spa Water Chemistry Water HardnessPH of Water Total Dissolved SolidsReversing Gas Supply Connection Gas Supply ConnectionTable J Maximum Equivalent Pipe Length Electrical Power Connections Check the Power SourceGas Supply Pressure Field-Connected ControllersField Wiring Connection Making the Electrical ConnectionsWiring Connections Venting Appliance CategoriesSupport of Vent Stack Vent Terminal LocationDirect Venting Horizontal Through Stainless SteelCanadian Installations InstallationsChanging the Flue Outlet Venting Installation Tips Venting ConfigurationsInstallation Natural Draft Vertical Venting CategoryTermination Common Venting SystemModel Venting Vent Size Height Intake Pipe Max. Length Min MaxHorizontal Through-the-Wall Venting Category Horizontal Through-the-Wall Venting CategoryMax. Length Venting Vent Size Equivalent Intake Pipe Direct Vent Horizontal Through- the-WallMaterial Direct Vent Vertical Controls Outdoor InstallationFreeze Protection Heater Sequence of Operation Models 302A, 402A, 502A, 652A, 752A and 902AExternal Lights Color Indication Auto Reset High Limit Red Auto reset optionInternal Lights Color Indication Ignition Module Code ConditionHigh Limit Manual Reset Flow SwitchHigh and Low Gas Pressure Switches Operating ControlHigh/Low Gas Pressure Switch 87%-Efficiency Boilers Special Instructions Water Piping Venting Appliance CategoriesModel 10F 20F 30F Min. Flow Max Flow Gpm Direct Venting Horizontal Through AL29-4CVent Terminal Location Vertical Venting CategoryCondensate Management Certified Maximum Combustion Air Air Inlet Model Venting Material Vent Length100’ Ducted 40’ 752AE Combustion Air 902AE 30’ 80’Direct Vent Horizontal Through- the-Wall Direct Vent Vertical Certified Vertical Venting Combustion Air Air Inlet302A 100’ 402A Galvanized Steel 502A 75’ Category 25’ 100’ 40’ 752A 902AWiring Diagram START-UP Pre Start-upMain Burner Adjustment Blower AdjustmentStart-Up Safety Inspection Leak Test Procedure Dual-Seat Gas ValvesFollow-Up Pilot Turn-Down TestPost Start-Up Check Leak TestLighting Instructions OperationTo Turn Off Gas To Appliance Troubleshooting StepSuggested Minimum Maintenance Schedule MaintenancePreventive Maintenance Schedule Weekly Semi-AnnuallyAnnually As RequiredAppendix Inside Air ContaminationLimited Parts Warranty HI Delta Types H and WH Limited Parts Warranty HI Delta Type P

302A-902A specifications

The Raypak 302A-902A is a highly regarded pool and spa heater, known for its efficiency and reliability in delivering warmth to residential and commercial aquatic applications. This heater stands out due to its robust design, advanced technology, and user-friendly features.

One of the key characteristics of the Raypak 302A-902A is its dual fuel capability, which means it can run on either natural gas or propane. This flexibility allows users to choose their preferred fuel type, contributing to operational efficiency and cost-effectiveness. With a BTU output ranging from 302,000 to 902,000, the Raypak heater is capable of quickly heating large volumes of water, making it ideal for pools, spas, and hot tubs.

The heater incorporates advanced technology such as a stainless steel heat exchanger, which not only ensures excellent thermal conductivity but also promotes durability against corrosion. This is especially advantageous in harsh environments, where exposure to chemicals can significantly impact the lifespan of traditional copper heat exchangers. The Raypak 302A-902A's heat exchanger is designed to withstand the rigors of constant use while maintaining high performance levels.

Another prominent feature of the Raypak 302A-902A is its digital display control system, which simplifies the operation and monitoring of the heater. Users can easily set and adjust temperatures, as well as access diagnostic information, all through an intuitive interface. This digital control not only enhances user experience but also aids in the timely maintenance of the unit.

Energy efficiency is another major selling point of the Raypak 302A-902A. The heater is designed with environmentally friendly practices in mind, utilizing a low NOx burner that minimizes harmful emissions. This not only meets environmental regulations but also makes it a greener alternative for heating needs.

In terms of installation, the compact design of the Raypak 302A-902A allows for versatile placement options, whether in a residential backyard or a commercial environment. Its user-friendly installation process ensures that homeowners and businesses alike can enjoy the benefits of heated water with minimal hassle.

Overall, the Raypak 302A-902A is an exemplary choice for anyone seeking a high-quality, efficient, and flexible pool and spa heating solution. Its combination of robust engineering, advanced technology, and user-focused features solidifies its position as a leader in the market, promising effective heating for years to come. Whether for personal enjoyment or commercial use, this heater delivers exceptional performance that meets diverse heating needs.
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