Raypak 399B-2339B Combustion and Ventilation Air, Conventional Combustion Air Supply

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Fig. 8: Minimum Clearances from Combustible

Surfaces – Outdoor Installations

Combustion and Ventilation Air

NOTE: Use of the heater in construction areas where fine particulate matter, such as concrete or dry-wall dust, is present may result in damage to the heater that is not covered by the warranty. If operated in a construction environment, a clean source of combustion air must be provided directly to the heater.

Indoor Units

The heater must be supplied with sufficient quantities of non-contaminated air to support proper combustion and equipment ventilation. Combustion air can be sup- plied via conventional means where combustion air is drawn from the area immediately surrounding the heater, or via direct vent, where combustion air is drawn directly from outside. All installations must com- ply with the requirements of the NFGC (U.S.) and B149 (Canada), and all local codes.

CAUTION: Combustion air must not be contaminated by corrosive chemical fumes which can damage the heater and void the warranty. (See the Appendix.)

NOTE: It is recommended that the intake vent be insulated to minimize sweating.

Reversing Air Filter

Follow these instructions to change the air duct con- nection from the left-hand side (standard) to the right-hand side:

1.Remove the four screws and the dust cover from the right-hand side of the heater.

2.Remove the four screws and the air filter bracket from the left-hand side of the heater.

3.Reverse the components and reattach in the new location, making sure that the air filter locking bracket is on the bottom. (The air filter locking bracket is reversible.)

Direct-Ducted Combustion Air

In certain applications it may be desirable to duct the combustion air directly to the heater. This should be done with PVC, CPVC or single-wall galvanized duct- ing. The duct will attach directly to the collar on the air filter housing located on the side of the heater. The ducting is attached to the air filter housing collar using three or four sheet metal screws (not supplied) equal- ly distributed around the circumference of the duct. All ducting should be self-supported. The filter housing is not designed to support the air duct.

Conventional Combustion Air Supply

U.S. Installations

All Air from Inside the Building

The confined space shall be provided with TWO per- manent openings communicating directly with an additional room(s) of sufficient volume so that the com- bined volume of all spaces meets the criteria for a room large in comparison (NFGC). The total input of all gas utilization equipment installed in the combined

CAUTION: This type of installation is recommended if damaging airborne contaminants are or will be present in the heater area. See the Appendix regarding air contamination.

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Contents Installation & Operating Instructions Page Contents Pay Attention to These Terms Before Installation Installations at ElevationProduct Receipt Model IdentificationComponent Locations Component Locations BackGeneral Information Burners per Valve Stages Fire at StageGeneral Safety Time/Temperature Relationships in ScaldsWater Time to Produce Serious Temp Burn Installation Installation CodesEquipment Base StackingTable D Vent/Air Inlet Termination Clearances Indoor Installations Outdoor InstallationsClearances Combustion and Ventilation Air Conventional Combustion Air SupplyCanadian Installations All Air from OutdoorsWater Piping GeneralReversing Water Connections Relief Valve Piping Hydrostatic TestCold Water Operation Models 399B-899B Models 989B-2339BCold Water Starts Temperature & Pressure Gauge Hydronic HeatingPump Selection Cold Water RunPressure Drop in Feet of Head Feedwater Regulator PipingAir-Separation/Expansion Tank Three-Way ValvesGas Supply Potable Water and Space HeatingGas Supply Connection ModelTable I Maximum Equivalent Pipe Length Models 399B-2339B Adjustment Models 989B-2339B Gas Supply PressureReversing Gas Supply Connection Electrical Power Connections Check the Power SourceField-Connected Controllers Making the Electrical ConnectionsField Wiring Connection On-Off Wiring ConnectionsStage Wiring Connections Single Stage Tankstat Venting Support of Vent StackBarometric Damper Installations Vent Terminal LocationVenting Installation Tips Canadian InstallationsChanging the Flue Outlet Venting Configurations InstallationNatural Draft Vertical Venting Category TerminationSize Material MinHorizontal Through-the-Wall Venting Category Horizontal Through-the-Wall Venting CategoryMaterial Vent Length Outdoor Installation ControlsFreeze Protection Heater Sequence of Operation Models 399B-899BExternal Lights Color Indication Page Models 989B-2339B Models 1529B-2339B Only High Limit Manual Reset Flow SwitchIgnition Module Operating ControlHigh and Low Gas Pressure Switches Low Water Cut-Off OptionalWiring Diagram Models 399B-1259B Wiring Diagram Models 1529B-2339B START-UP Pre Start-upBlower Adjustment Main Burner AdjustmentStart-Up Safety Inspection Leak Test Procedure Dual-Seat Gas ValvesFollow-Up Pilot Turn-Down TestPost Start-Up Check Leak TestOperation Lighting InstructionsTo Turn Off Gas To Appliance Troubleshooting StepMaintenance Suggested Minimum Maintenance SchedulePreventive Maintenance Schedule Weekly Semi-AnnuallyAnnually As RequiredAppendix Inside Air ContaminationLimited Parts Warranty Delta Limited Types H and WH START-UP Checklist for FAN-ASSISTED Raypak Products

399B-2339B specifications

The Raypak 399B-2339B is a notable pool heater that stands out in the competitive market of heating solutions, particularly aimed at residential and commercial swimming pools and spas. Designed for efficiency and reliability, the Raypak 399B-2339B integrates advanced technology to deliver a comfortable swimming experience, safeguarding users against fluctuating outdoor temperatures.

One of the primary features of the Raypak 399B-2339B is its robust design, built to withstand the rigors of outdoor environments. With a durable cabinet made from corrosion-resistant materials, it ensures longevity and resistance to various weather conditions. This heater boasts a compact footprint, making it an ideal choice for properties with limited installation space.

A standout characteristic of this model is its energy efficiency. The Raypak 399B-2339B utilizes a high-efficiency gas burner, allowing it to heat water quickly while consuming less fuel. This efficiency not only reduces operational costs but also aligns with environmentally conscious practices, making it an appealing choice for eco-friendly users.

Equipped with innovative technologies, this heater offers both digital controls and diagnostic capabilities. The user-friendly digital display allows for precise temperature control and easy monitoring of the heater's performance. Additionally, the built-in diagnostics feature alerts users to any operational issues, ensuring timely maintenance and minimizing downtime.

The Raypak 399B-2339B is compatible with both natural gas and propane, providing versatility in energy sources. This adaptability can be particularly beneficial for those seeking to switch fuel types or utilize available resources. Moreover, its low NOx emissions make it compliant with stringent environmental regulations, contributing to cleaner air and a healthier ecosystem.

In terms of heating capacity, the Raypak 399B-2339B boasts a powerful output, efficiently heating large bodies of water. This performance makes it suitable for various applications, from residential pools to commercial aquatic centers, ensuring that swimming enjoyment is never compromised due to cold water.

The unit also features a built-in water hydraulics system that optimizes water circulation, preventing overheating and prolonging the lifespan of the heater. Furthermore, the Raypak engineering team has ensured that the installation process is straightforward, with clear guidelines and necessary plumbing fittings provided.

In summary, the Raypak 399B-2339B is a top-tier pool heater that offers durability, energy efficiency, advanced technology, and versatile fuel compatibility. Its high performance and user-friendly features make it a reliable investment for anyone looking to enhance their swimming experience.
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