Guide Specifications 580F036-151 and 581B036-150

GUIDE SPECIFICATIONS — 580F036-151 AND 581B036-150

PACKAGED ROOFTOP ELECTRIC COOLING UNIT WITH GAS HEAT — CONSTANT VOLUME APPLICATION

HVAC GUIDE SPECIFICATIONS

SIZE RANGE: 3 TO 121/2 TONS, NOMINAL (COOLING) 60,000 TO 250,000 BTUH, NOMINAL (INPUT HEATING)

BRYANT MODEL NUMBERS: 580F, 581B

581B036-121 UNITS ARE ENERGY STAR QUALIFIED

PART 1 — GENERAL

1.01SYSTEM DESCRIPTION

Outdoor rooftop mounted, electrically controlled heating and cooling unit utilizing a hermetic compressor(s) for cooling duty and gas combustion for heating duty. Unit shall discharge supply air vertically or horizontally as shown on contract drawings.

1.02QUALITY ASSURANCE

A.Unit well exceeds ASHRAE 90.1-2001 Energy Standards. Units 581B036-120 are Energy Star qualified.

B.Unit shall be rated in accordance with ARI Standards 210 or 360. Designed in accordance with UL Standard 1995.

C.Unit shall be designed to conform to ASHRAE 15, latest revision.

D.Unit shall be UL-tested and certified in accordance with ANSI Z21.47 Standards and UL-listed and certified under Canadian standards as a total package for safety requirements.

E.Roof curb shall be designed to conform to NRCA Standards.

F.Insulation and adhesive shall meet NFPA 90A require- ments for flame spread and smoke generation.

G.Unit casing shall be capable of withstanding 500-hour salt spray exposure per ASTM B117 (scribed specimen).

H.Unit shall be designed in accordance with ISO 9001:2000, and shall be manufactured in a facility regis- tered to ISO 9001:2000.

I.Each unit shall be subjected to a completely automated run testing on the assembly line. A factory-supplied print- out indicating tested pressures, amperages, data, and inspectors; providing certification of the unit status at the time of manufacture, shall be available upon request.

1.03DELIVERY, STORAGE, AND HANDLING

Unit shall be stored and handled per manufacturer’s recommendations.

PART 2 — PRODUCTS

2.01EQUIPMENT (STANDARD)

A.General:

Factory assembled, single-piece heating and cooling unit. Contained within the unit enclosure shall be all factory wiring, piping, controls, refrigerant charge (R-22), and special features required prior to field start-up.

B.Unit Cabinet:

1.Unit cabinet shall be constructed of galvanized steel, and shall be bonderized and coated with a pre- painted baked enamel finish on all externally exposed surfaces.

2.Evaporator fan compartment interior cabinet sur- faces shall be insulated with a minimum 1/2-in. thick,

1 lb density, flexible fiberglass insulation, neoprene coated on the air side. Aluminum foil-faced fiber- glass insulation shall be used in the gas heat compartment.

3.Cabinet panels shall be easily removable for servicing.

4.Holes shall be provided in the base rails for rigging shackles to facilitate maneuvering and overhead rigging.

5.Unit shall have a factory-installed, sloped conden- sate drain pan made of a non-corrosive material, pro-

viding a minimum 3/4-in.-14 NPT connection with both vertical and horizontal drains, and shall comply with ASHRAE Standard 62.

6.Unit shall have a factory-installed filter access panel to provide filter access with tool-less removal.

7.Unit shall have standard thru-the-bottom gas and power connection capability (accessory kit is required).

C.Fans:

1.Evaporator Fan:

a.Fan shall be direct or belt driven as shown on the equipment drawings. Belt drive shall include an adjustable-pitch motor pulley.

b.Fan wheel shall be double-inlet type with forward- curved blades.

c.Bearings shall be sealed, permanently lubricated ball-bearing type for longer life and lower maintenance.

2.Evaporator fan shall be made from steel with a corro- sion-resistant finish and shall be dynamically balanced.

3.Bryant rooftop evaporator fan motors smaller than 5 hp are specifically designed for Bryant and are rated in maximum continuous Bhp or maximum con- tinuous watts. The motors do not have a horsepower rating on the nameplate.

4.Condenser fan shall be of the direct-driven (with totally enclosed motors) propeller type and shall dis- charge air vertically.

5.Condenser fan shall have aluminum blades riveted to corrosion-resistant steel spiders and shall be dynam- ically balanced.

6.Induced-draft blower shall be of the direct-driven, sin- gle inlet, forward-curved centrifugal type, made from steel with a corrosion-resistant finish and shall be dynamically balanced.

D.Compressor(s):

1.Fully hermetic type, internally protected scroll-type.

2.Factory mounted on rubber grommets and internally spring mounted for vibration isolation.

3.On dual electrically and mechanically independent circuits (090-150).

E.Coils:

1.Standard evaporator and condenser coils shall have aluminum lanced plate fins mechanically bonded to

seamless internally grooved 3/8-in. OD copper tubes with all joints brazed.

2.Dual compressor models (size 090-150) shall have face-split type evaporator coil (circuit no. 1 on bottom).

580F036-151 AND 581B036-150

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581A/B specifications

The Bryant 581A/B is a sophisticated rooftop unit designed for commercial heating and cooling applications, striking a balance between performance, efficiency, and versatility. This unit is engineered to cater to various building sizes and configurations, making it an excellent choice for businesses seeking reliable climate control solutions.

One of the standout features of the Bryant 581A/B is its high efficiency. With SEER ratings reaching up to 14.5, this unit can significantly reduce energy costs while providing optimal performance throughout its operational lifespan. The design incorporates advanced compressor technology, allowing for variable speed operation that not only enhances comfort but also promotes energy savings by adjusting to the real-time demands of the environment.

The Bryant 581A/B also integrates cutting-edge refrigerant technology. Utilizing Puron refrigerant, it adheres to current environmental standards, minimizing its impact on ozone depletion while maximizing cooling performance. This commitment to sustainability is complemented by energy-efficient components, including high-efficiency coils and fan motors, which further optimize energy consumption.

In terms of construction, the Bryant 581A/B is built to withstand the rigors of outdoor installation. The unit features a rugged cabinet design with durable, corrosion-resistant materials, ensuring long-term reliability even in challenging weather conditions. Additionally, the easily accessible components simplify maintenance, reducing downtime for businesses.

The functionality of the Bryant 581A/B extends beyond mere cooling and heating. It is equipped with advanced control systems that can be interfaced with building management systems, allowing for seamless integration and enhanced control over indoor climate. This technology provides operators with the ability to monitor and adjust settings remotely, ensuring a comfortable indoor environment while optimizing energy use.

Noise reduction is another important characteristic of the Bryant 581A/B. The unit is designed with sound-dampening features, making it suitable for applications where low noise levels are a priority, such as retail spaces or office buildings.

Overall, the Bryant 581A/B is a robust solution for businesses seeking efficient, reliable, and flexible climate control. Its combination of advanced technology, durable construction, and user-friendly features make it a leading choice in the commercial HVAC market.

Bryant 581A/B Guide Specifications 580F036-151 and 581B036-150, Part 1 General, Part 2 Products

Models: 581A/B