Raypak 302A-902A manual Start-Up, Pre Start-up

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START-UP

Pre Start-up

Filling System (Heating Boilers)

Fill system with water. Purge all air from the system. Lower system pressure. Open valves for normal sys- tem operation, and fill system through feed pressure. Manually open air vent on the compression tank until water appears, then close vent.

Air Purge (Domestic Hot Water Heaters)

Purge all air from system before lighting heater. This can be normally accomplished by opening a down- stream valve.

Venting System Inspection

1.Check all vent pipe connections and flue pipe ma- terial.

2.Make sure vent terminations are installed per code and are clear of all debris or blockage.

For Your Safety

WARNING: If you do not follow these instructions exactly, a fire or explosion may result causing prop- erty damage, personal injury or loss of life.

This appliance has a hot surface igniter. It is equipped with an ignition device which automatically lights the burners. Do not try to light the burners by hand.

BEFORE OPERATING, smell all around the appliance area for gas. Be sure to smell near the floor because some gas is heavier than air and will settle on the floor.

WHAT TO DO IF YOU SMELL GAS:

•Do not try to light any appliance.

•Do not touch any electrical switch; do not use any telephone in your building.

•Immediately call your gas supplier from a neigh- bor’s telephone. Follow the gas supplier’s instruc- tions.

•If you cannot reach your gas supplier, call the fire department.

•Use only your hand to push in or turn the gas con- trol knob. Never use tools. If the knob will not turn by hand, do not try to repair it, call a qualified serv- ice technician. Forced or attempted repair may result in a fire or explosion.

•Do not use this appliance if any part has been under water, immediately call a qualified service techni-cian to inspect the appliance and to replace any part of the control system and any gas control which has been under water.

•Check around unit for debris and remove com- bustible products, i.e. gasoline, etc.

Pre Start-up Check

1.Verify heater is filled with water.

2.Check system piping for leaks. If found, repair immediately.

3.Vent air from system. Air in system can interfere with water circulation.

4.Purge air from gas line up to heater.

Initial Start-up

Tools Needed

•(1) 12-0-12, 24” scale U-tube manometer

•(4) 6-0-6, 12” scale U-tube manometers (mini- mum)

•(1) Screwdriver

•(1) Multi-meter

•(1) 3/16” Allen wrench

NOTE: Digital manometers are not recommended.

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Contents Installation and Operating Instructions Page Contents Pay Attention to These Terms Product Receipt Before InstallationModel Identification Ratings and CertificationsComponent Locations Back Component LocationsGeneral Information Model # Burners per Stages Fire at ValveModel # Burners Valve Firing Per Valve Staging General Safety Time/Temperature Relationships in ScaldsWater Time to Produce Serious Temp Burn Installation Codes InstallationEquipment Base StackingIndoor Installations Outdoor InstallationsClearances Installations1 Canadian Installations2 Indoor Units Combustion and Ventilation AirReversing Air Filter Direct VentConventional Combustion Air Supply InstallationsTruSeal Combustion Air All Air from Inside the BuildingWater Piping Canadian InstallationsGeneral Reversing Water ConnectionsCold Water Operation Relief Valve Piping Hydrostatic TestHydronic Heating Temperature & Pressure GaugePump Selection Min. Flow Max Flow GpmPiping Pressure Drop in Feet of Head Feedwater RegulatorAir-Separation/Expansion Tank Three-Way ValvesPool Heating Potable Water and Space HeatingWinterizing Your Heater Automatic Chlorinators and Chemical FeedersPool/Spa Water Chemistry Water Hardness Gas SupplyPH of Water Total Dissolved SolidsGas Supply Connection Reversing Gas Supply ConnectionTable J Maximum Equivalent Pipe Length Check the Power Source Electrical Power ConnectionsGas Supply Pressure Field-Connected ControllersMaking the Electrical Connections Field Wiring ConnectionWiring Connections Appliance Categories VentingVent Terminal Location Support of Vent StackDirect Venting Horizontal Through Stainless SteelInstallations Canadian InstallationsChanging the Flue Outlet Venting Configurations Venting Installation TipsInstallation Natural Draft Vertical Venting CategoryCommon Venting System TerminationModel Venting Vent Size Height Intake Pipe Max. Length Min MaxHorizontal Through-the-Wall Venting Category Horizontal Through-the-Wall Venting CategoryDirect Vent Horizontal Through- the-Wall Max. Length Venting Vent Size Equivalent Intake PipeMaterial Direct Vent Vertical Outdoor Installation ControlsFreeze Protection Models 302A, 402A, 502A, 652A, 752A and 902A Heater Sequence of OperationAuto Reset High Limit Red Auto reset option External Lights Color IndicationInternal Lights Color Indication Code Condition Ignition ModuleFlow Switch High Limit Manual ResetHigh and Low Gas Pressure Switches Operating ControlHigh/Low Gas Pressure Switch Venting Appliance Categories 87%-Efficiency Boilers Special Instructions Water PipingModel 10F 20F 30F Min. Flow Max Flow Gpm Direct Venting Horizontal Through AL29-4CVertical Venting Category Vent Terminal LocationCondensate Management Material Vent Length Certified Maximum Combustion Air Air Inlet Model Venting100’ Ducted 40’ 752AE Combustion Air 902AE 30’ 80’Direct Vent Horizontal Through- the-Wall Certified Vertical Venting Combustion Air Air Inlet Direct Vent Vertical302A 100’ 402A Galvanized Steel 502A 75’ Category 25’ 100’ 40’ 752A 902AWiring Diagram Pre Start-up START-UPBlower Adjustment Main Burner AdjustmentStart-Up Leak Test Procedure Dual-Seat Gas Valves Safety InspectionFollow-Up Pilot Turn-Down TestLeak Test Post Start-Up CheckOperation Lighting InstructionsTo Turn Off Gas To Appliance Step TroubleshootingMaintenance Suggested Minimum Maintenance SchedulePreventive Maintenance Schedule Semi-Annually WeeklyAnnually As RequiredInside Air Contamination AppendixLimited 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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