Raypak 302A-902A manual Troubleshooting, Step

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TROUBLESHOOTING

Step 1

Step 2

Step 3

Step 4

Step 5

Step 6

Step 7

Does the power switch

provide power to the

Check the switch

control panel?

NO

and/or line voltage

Replace ignition module

Is there a Call For

YES

Heat?

Unit is in standby mode.

Check all safety limit

NO

YES

devices and voltage from

Reattach.

the transformer to J10 on

Is Disable jumper intact? (J1)

CPW board.

NO

NO

Is there 120VAC at J8

NO

YES

Connector on the CPW board?

Does F2 on

ignition module

NO

have 120VAC?

Do the combustion air

YES

YES

blowers come on?

Is 24VAC at present at TH (J3 & J12 on CPW

YES

NO

YES

board and orange wire on ignition module)?

Check flow switch, all

Are the blower lights

NO

Is air pressure switch(s) and

connectors on CPW board

illuminated?

and controller.

J2 of CPW board (N.O.)

powered?

Check the fan relay. Is there

120VAC at K3 relay?

YES

YES

YES

NO

Is there continuity from the

NO

Is 24VAC at PS on

fan relay to fan(s)?

YES

ignition module? Is

Does air pressure switch(s)

Replace fan relay

connecting plug

have correct pressure?

secure?

(1.4” W.C.)

Replace fan

YES

Does igniter prove?

Replace air

NO

pressure switch

NO

Correct the air settings or

YES

you may have to clean

Check Amp draw during

Is air switch

YES

heat-up for greater than

bouncing?

burners, heat exchanger

and/or air filter.

3.1 Amps.

Is the flame

NO

Replace HSI

NO

sensor signal to

YES

the ignition

module greater

Readjust to 3.5” W.C.

than 1 uA DC?

NO

Are the gas valve

NO

gas.

settings correct?

Is the unit running?

YES

YES

NO

Is the unit running?

Is static and dynamic inlet

manifold gas pressure correct?

Replace gas valve

YES

YES

NO

Is downdraft present?

		NO
Call our Technical Service Department
Call our Technical Service Department
1-800-927-2975 Outside California	The unit is okay		Clean or replace flame sensor
1-800-627-2975 Inside California	The unit is okay

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Contents Installation and Operating Instructions Page Contents Pay Attention to These Terms Model Identification Before InstallationProduct Receipt Ratings and CertificationsComponent Locations Component Locations BackModel # Burners Valve Firing Per Valve Staging General InformationModel # Burners per Stages Fire at Valve Water Time to Produce Serious Temp Burn General SafetyTime/Temperature Relationships in Scalds Equipment Base InstallationInstallation Codes StackingClearances Indoor InstallationsOutdoor Installations Installations1 Canadian Installations2 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 Min. Flow Max Flow GpmAir-Separation/Expansion Tank Pressure Drop in Feet of Head Feedwater RegulatorPiping Three-Way ValvesPotable Water and Space Heating Pool HeatingAutomatic Chlorinators and Chemical Feeders Winterizing Your HeaterPH of Water Gas SupplyPool/Spa Water Chemistry Water Hardness Total Dissolved SolidsTable J Maximum Equivalent Pipe Length Gas Supply ConnectionReversing Gas Supply Connection Gas Supply Pressure Electrical Power ConnectionsCheck the Power Source Field-Connected ControllersField Wiring Connection Making the Electrical ConnectionsWiring Connections Venting Appliance CategoriesDirect Venting Horizontal Through Support of Vent StackVent Terminal Location Stainless SteelChanging the Flue Outlet InstallationsCanadian Installations Installation Venting Installation TipsVenting Configurations Natural Draft Vertical Venting CategoryModel Venting Vent Size Height Intake Pipe Max. Length TerminationCommon Venting System Min MaxHorizontal Through-the-Wall Venting Category Horizontal Through-the-Wall Venting CategoryMaterial Direct Vent Horizontal Through- the-WallMax. Length Venting Vent Size Equivalent Intake Pipe Direct Vent Vertical Freeze Protection Outdoor InstallationControls Heater Sequence of Operation Models 302A, 402A, 502A, 652A, 752A and 902AInternal Lights Color Indication Auto Reset High Limit Red Auto reset optionExternal Lights Color Indication Ignition Module Code ConditionHigh and Low Gas Pressure Switches High Limit Manual ResetFlow Switch Operating ControlHigh/Low Gas Pressure Switch Model 10F 20F 30F Min. Flow Max Flow Gpm 87%-Efficiency Boilers Special Instructions Water PipingVenting Appliance Categories Direct Venting Horizontal Through AL29-4CCondensate Management Vertical Venting CategoryVent Terminal Location 100’ Ducted Certified Maximum Combustion Air Air Inlet Model VentingMaterial Vent Length 40’ 752AE Combustion Air 902AE 30’ 80’Direct Vent Horizontal Through- the-Wall 302A 100’ 402A Galvanized Steel 502A 75’ Category 25’ Direct Vent VerticalCertified Vertical Venting Combustion Air Air Inlet 100’ 40’ 752A 902AWiring Diagram START-UP Pre Start-upStart-Up Blower AdjustmentMain Burner Adjustment Follow-Up Safety InspectionLeak Test Procedure Dual-Seat Gas Valves Pilot Turn-Down TestPost Start-Up Check Leak TestTo Turn Off Gas To Appliance OperationLighting Instructions Troubleshooting StepPreventive Maintenance Schedule MaintenanceSuggested Minimum 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

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.