Bryant 581J specifications

Models: 581J

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(2.) Optional, factory-approved, water-tight connection method must be used for thru-the-base electrical con- nections.

(3.) No basepan penetration, other than those authorized by the manufacturer, is permitted.

10.Component access panels (standard)

a.Cabinet panels shall be easily removable for servicing.

b.Unit shall have one factory installed, tool-less, removable, filter access panel.

c.Panels covering control box, indoor fan, indoor fan motor, gas components (where applicable), and com- pressors shall have a molded composite handles.

d.Handles shall be UV modified, composite. They shall be permanently attached, and recessed into the panel.

e.Screws on the vertical portion of all removable access panel shall engage into heat resistant, molded compos- ite collars.

f.Collars shall be removable and easily replaceable using manufacturer recommended parts.

23 81 19.13.I. Gas Heat

1.General

a.Heat exchanger shall be an induced draft design. Positive pressure heat exchanger designs shall not be al- lowed.

b.Shall incorporate a direct-spark ignition system and redundant main gas valve.

c.Gas supply pressure at the inlet to the rooftop unit gas valve must match that required by the manufacturer.

2.The heat exchanger shall be controlled by an integrated gas controller (IGC) microprocessor.

a.IGC board shall notify users of fault using an LED (light-emitting diode).

b.The LED shall be visible without removing the control box access panel.

c.IGC board shall contain algorithms that modify evaporator-fan operation to prevent future cycling on high temperature limit switch.

d.Unit shall be equipped with anti-cycle protection with one short cycle on unit flame rollout switch or 4 con- tinuous short cycles on the high temperature limit switch. Fault indication shall be made using an LED.

3.Standard Heat Exchanger construction

a.Heat exchanger shall be of the tubular-section type constructed of a minimum of 20-gauge steel coated with a nominal 1.2 mil aluminum-silicone alloy for corrosion resistance.

b.Burners shall be of the in-shot type constructed of aluminum-coated steel.

c.Burners shall incorporate orifices for rated heat output up to 2000 ft (610m) elevation. Additional accessory kits may be required for applications above 2000 ft (610m) elevation, depending on local gas supply condi- tions.

d.Each heat exchanger tube shall contain multiple dimples for increased heating effectiveness.

4.Optional Stainless Steel Heat Exchanger construction

a.Use energy saving, direct-spark ignition system.

b.Use a redundant main gas valve.

c.Burners shall be of the in-shot type constructed of aluminum-coated steel.

d.All gas piping shall enter the unit cabinet at a single location on side of unit (horizontal plane).

e.The optional stainless steel heat exchanger shall be of the tubular-section type, constructed of a minimum of 20-gauge type 409 stainless steel.

f.Type 409 stainless steel shall be used in heat exchanger tubes and vestibule plate.

g.Complete stainless steel heat exchanger allows for greater application flexibility.

5.Optional Low NOx Heat Exchanger construction

a.Low NOx reduction shall be provided to reduce nitrous oxide emissions to meet California’s Air Quality Man- agement District (SCAQMD) low-NOxemissions requirement of 40 nanograms per joule or less.

b.Primary tubes and vestibule plates on low NOx units shall be 409 stainless steel. Other components shall be aluminized steel.

6.Induced draft combustion motor and blower

a.Shall be a direct-drive, single inlet, forward-curved centrifugal type.

b.Shall be made from steel with a corrosion-resistant finish.

c.Shall have permanently lubricated sealed bearings.

d.Shall have inherent thermal overload protection.

e.Shall have an automatic reset feature.

581J

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Bryant 581J specifications

581J specifications

The Bryant 581J is a high-efficiency gas furnace that exemplifies advanced heating technology and innovative design. Known for its reliability and comfort, the Bryant 581J offers impressive performance features that cater to both residential and commercial heating needs. One of its standout characteristics is the two-stage heating system, which allows the furnace to operate at a lower stage when the heating demand is modest, providing improved comfort and energy efficiency. This feature also minimizes temperature fluctuations, ensuring a more consistent and comfortable indoor environment.

Energy efficiency is a critical aspect of the Bryant 581J. With an annual fuel utilization efficiency (AFUE) rating of up to 96%, this furnace is designed to convert a high percentage of fuel into usable heat, which helps homeowners save on energy bills. The high-efficiency design also contributes to a reduced carbon footprint, aligning with modern environmental concerns.

The Bryant 581J is equipped with technologically advanced features, including the ComfortTechâ„¢ control system. This system enables enhanced temperature regulation and integrates easily with smart home systems, allowing homeowners the convenience of remote control through smartphones and tablets. Additionally, the furnace includes an electronically commutated motor (ECM) blower, which optimizes airflow and reduces energy consumption while enhancing the overall comfort level within the space.

Noise reduction is another key characteristic of the Bryant 581J. The furnace is engineered with sound-dampening technology, resulting in quieter operation compared to conventional furnaces. This attention to noise management makes it an appealing choice for residential applications, where peace and tranquility are crucial.

The durable construction of the Bryant 581J ensures longevity and reliability. With a robust cabinet and quality materials, it is built to withstand the rigors of daily operation. Furthermore, the furnace comes with a warranty that provides peace of mind, protecting the investment over the years.

Overall, the Bryant 581J represents a blend of efficiency, advanced technology, and reliable performance. With its high AFUE rating, innovative features, and quiet operation, it stands out in the market as a top choice for anyone seeking a dependable heating solution. Whether for new installations or replacements, the Bryant 581J is designed to meet the heating demands of today's energy-conscious homeowners.