Reliance Water Heaters N85390NE Multiple heater manifold, Fresh Air Openings For Confined Spaces

Page 16

Multiple heater manifold

Figure 13 and tables on pages 17 and 18 should be used for horizontally manifolding two or more heaters.

FIGURE 13.

Fresh Air Openings For Confined Spaces

The following instructions shall be used to calculate the size, number and placement of openings providing fresh air for combustion, ventilation and dilution in confined spaces. The illustrations shown in this section of the manual are a reference for the openings that provide fresh air into confined spaces only. DO NOT refer to these illustrations for the purpose of vent installation. See Venting Installation on page 14 for complete venting installation instructions.

Outdoor Air Through Two Openings

Figure 14.

The confined space shall be provided with two permanent openings, one commencing within 12 inches (300 mm) of the top and one commencing within 12 inches (300 mm) of the bottom of the enclosure. The openings shall communicate directly with the outdoors. See Figure 14.

Each opening shall have a minimum free area of 1 square inch per 4,000 Btu/hr (550 mm2 per kW) of the aggregate input rating of all appliances installed in the enclosure. Each opening shall not be less than 100 square inches (645 cm2).

Outdoor Air Through One Opening

Figure 15.

Alternatively a single permanent opening, commencing within 12 inches (300 mm) of the top of the enclosure, shall be provided. See Figure 14. The water heater shall have clearances of at least 1 inch (25 mm) from the sides and back and 6 inches (l50 mm) from the front of the appliance. The opening shall directly communicate with the outdoors or shall communicate through a vertical or horizontal duct to the outdoors or spaces that freely communicate with the outdoors and shall have a minimum free area of the following:

1.1 square inch per 3000 Btu/hr (700 mm2 per kW) of the total input rating of all appliances located in the enclosure, and

2.Not less than the sum of the areas of all vent connectors in the space.

Outdoor Air Through Two Horizontal Ducts

Figure 16.

The confined space shall be provided with two permanent horizontal ducts, one commencing within 12 inches (300 mm) of the top and one commencing within 12 inches (300 mm) of the bottom of the enclosure. The horizontal ducts shall communicate directly with the outdoors. See Figure 16.

Each duct opening shall have a minimum free area of 1 square inch per 2,000 Btu/hr (1100 mm2 per kW) of the aggregate input rating of all appliances installed in the enclosure.

When ducts are used, they shall be of the same cross sectional area as the free area of the openings to which they connect. The minimum dimension of rectangular air ducts shall be not less than 3 inches.

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Contents Installation Operation Service Commercial gas water heatersTable Of Contents Safe Installation, Use and Service ApprovalsGeneral Safety Information Fire and Explosion HazardGrounding Instructions PrecautionsHydrogen Gas Flammable Qualified Installer or Service Agency IntroductionAbbreviations Used QualificationsHydro Cannon self-cleaning system High limit switchLow Gas Pressure Switch Electronic ignition controlInstallation considerations Rough In DimensionsROUGH-IN-DIMENSIONS Recovery CAPACITIES, based on 80% efficiencyLocating the water heater ClearancesInstallation on combustible flooring Insulation BlanketHard Water Circulation pumpsHigh Altitude Installations Installation Requirements Power SupplyWater Temperature Control and Mixing Valves Gas pressure requirementsTemperature-pressure relief valve Dishwashing MachinesClosed Water Systems Thermal ExpansionAir requirements Contaminated AirValve Discharge Pipe Requirements Confined Space Unconfined SpaceVenting Multiple heater manifold Fresh Air Openings For Confined SpacesOutdoor Air Through Two Openings Outdoor Air Through One OpeningOutdoor Air Through Two Vertical Ducts Air From Other Indoor SpacesType B GAS Vent Multiple Gas Fired Tank-Type HeatersTechnical Data Venting Water Line Connections Water heater installationValve Discharge Pipe Tube Inlet Installation Heater wiring GAS Piping GAS Supply Pipe Lengths in FeetPurging GAS Pressure RegulatorGeneral AdjustmentsFilling Lighting & Operation Label Check the Igniter Assembly Igniter AssemblyChecking Venting Main BurnerChecking the Input MAINTENANCE Remote storage tank temperature controlTemperature-Pressure relief Valve test Venting systemAnode rod inspection Draining and flushingTo Drain the Water Heater Storage Tank To Flush the Water Heater Storage TankDeliming Using FLO-JUG Method Tank Cleanout ProcedureDeliming solvents System diagnostics Ignition module systemHigh Water Temperature Shut OFF System For Your InformationElectrical Servicing Start up conditionsSequence of Operation Flow Chart Operational checklist Complaint Cause Remedy User Service AgentDiagrams Water PipingTemperature & Pressure Temperature & Pressure Relief Valve Circulating Pump Multi Flue 2 Units Multi Flue 2 Units with Vertical Storage Tank Multi Flue 2 Units with Vertical Storage Tank Return from Multi Flue 2 Units TWO Temperature Multi Flue 2 Units with Booster TWO Temperature MULTI-FLUE 3 Units MULTI-FLUE 3 Units with Vertical Storage Tank MULTI-FLUE 3 Units with Horizontal Storage Tank Multi Flue Flue 4 Units MULTI-FLUE 4 Units with Vertical Storage Tank MULTI-FLUE 4 Units with Horizontal Storage Tank Manifold Kits Page Page Page Page Limited Warranty Tennessee Waltz Parkway, Ashland City, TN Tech Support Parts

N71120NE, N85390NE specifications

Reliance Water Heaters has established itself as a trusted name in the water heating industry, consistently delivering high-quality products that meet the diverse needs of consumers. Among their offerings, the Reliance N71120NE and N85390NE models stand out due to their advanced features and innovative technologies.

The Reliance N71120NE is known for its efficient heating capabilities, boasting a 40-gallon capacity that is ideal for medium-sized households. This model features a durable glass-lined tank that provides exceptional resistance to rust and corrosion, ensuring longevity and durability. One of its standout characteristics is the built-in energy-saving mode, which optimizes energy consumption without compromising performance. This unit operates on electricity, making it a versatile option for various settings. Additionally, the N71120NE is designed with a temperature control thermostat, allowing users to set and maintain their desired water temperature with ease.

On the other hand, the Reliance N85390NE model offers a larger capacity of 50 gallons, making it suitable for larger families or homes with increased hot water demands. Similar to the N71120NE, this model comes with a glass-lined tank for superior protection against corrosion. One of the advanced technologies featured in the N85390NE is the High-Quality Insulation System, which minimizes heat loss and maintains water temperature efficiently. This model also includes a self-diagnostics system, providing users with real-time updates on performance and maintenance needs. The innovative anode rod in this unit extends the lifespan of the tank by sacrificially corroding instead of the tank itself.

Both models are designed with safety in mind, featuring a pressure relief valve that prevents pressure buildup, making them safe for residential use. Moreover, each unit adheres to the latest energy efficiency standards, contributing to reduced utility bills and a smaller carbon footprint.

Reliance Water Heaters emphasizes user-friendly installation and maintenance, making it easy for homeowners to enjoy the benefits of these advanced water heaters. Overall, the Reliance N71120NE and N85390NE models represent excellence in water heating technology, offering efficient, reliable, and user-friendly solutions for modern households. Choosing either of these models ensures that users can enjoy hot water on demand while benefiting from enhanced efficiency and durability.
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