4.Filters shall be accessible through an access panel with “no-tool” removal as described in the unit cabinet section of this specification (23 81 19.13.H).

23 81 19 Self-Contained Air Conditioners

23 81 19.13 Small-Capacity Self-Contained Air Conditioners (558J*04-07)

23 81 19.13.A. General

1.Outdoor, rooftop mounted, electrically controlled, heating and cooling unit utilizing a(n) hermetic scroll com- pressor(s) for cooling duty and gas combustion for heating duty.

2.Factory assembled, single-piece heating and cooling rooftop unit. Contained within the unit enclosure shall be all factory wiring, piping, controls, and special features required prior to field start-up.

3.Unit shall use environmentally safe, Puron refrigerant.

4.Unit shall be installed in accordance with the manufacturer’s instructions.

5.Unit must be selected and installed in compliance with local, state, and federal codes.

23 81 19.13.B. Quality Assurance

1.Unit meets ASHRAE 90.1-2004 minimum efficiency requirements.

2.3 phase units are Energy Star qualified.

3.Unit shall be rated in accordance with ARI Standards 210 and 360.

4.Unit shall be designed to conform to ASHRAE 15, 2001.

5.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.

6.Insulation and adhesive shall meet NFPA 90A requirements for flame spread and smoke generation.

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

8.Unit casing shall be capable of withstanding Federal Test Method Standard No. 141 (Method 6061) 5000-hour salt spray.

9.Unit shall be designed in accordance with ISO 9001:2000, and shall be manufactured in a facility registered by ISO 9001:2000.

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

11.Unit shall be subjected to a completely automated run test on the assembly line. The data for each unit will be stored at the factory, and must be available upon request.

12.Unit shall be designed in accordance with UL Standard 1995, including tested to withstand rain.

13.Unit shall be constructed to prevent intrusion of snow and tested to prevent snow intrusion into the control box up to 40 mph.

14.Unit shake tested to assurance level 1, ASTM D4169 to ensure shipping reliability.

23 81 19.13.C. Delivery, Storage, and Handling

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

2.Lifted by crane requires either shipping top panel or spreader bars.

3.Unit shall only be stored or positioned in the upright position.

23 81 19.13.D. Project Conditions

1.As specified in the contract. 23 81 19.13.E. Project Conditions

1.As specified in the contract.

23 81 19.13.F. Operating Characteristics

1.Unit shall be capable of starting and running at 115_F (46_C) ambient outdoor temperature, meeting maxim- um load criteria of ARI Standard 210/240 or 360 at ± 10% voltage.

2.Compressor with standard controls shall be capable of operation down to 40_F (4_C), ambient outdoor tem- peratures. Accessory winter start kit is necessary if mechanically cooling at ambient temperatures below 40_ (4_C).

3.Unit shall discharge supply air vertically or horizontally as shown on contract drawings.

4.Unit shall be factory configured for vertical supply & return configurations.

5.Unit shall be field convertible from vertical to horizontal configuration

6.Unit shall be capable of mixed operation: vertical supply with horizontal return or horizontal supply with vertical return.

23 81 19.13.G. Electrical Requirements

1.Main power supply voltage, phase, and frequency must match those required by the manufacturer. 23 81 19.13.H. Unit Cabinet

558J

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558J specifications

The Bryant 558J is a high-efficiency air conditioning unit that provides outstanding comfort and performance for residential spaces. Engineered with contemporary technology, this HVAC system showcases a blend of innovative features designed to enhance user experience while promoting energy efficiency.

One of the main features of the Bryant 558J is its high Seasonal Energy Efficiency Ratio (SEER) rating, which ensures optimal energy savings while providing consistent cooling throughout the warmer months. This model boasts an impressive SEER that positions it among the top performers in its category, making it an excellent choice for environmentally-conscious homeowners looking to reduce their energy consumption.

The Bryant 558J utilizes advanced variable-speed compressor technology. This means it can adjust its cooling output dynamically based on indoor temperature requirements, which results in improved temperature consistency and quieter operation. Unlike single-speed systems that can be noisy during operation, the variable-speed compressor provides a more tranquil living environment, as it can run at lower speeds for extended periods.

Additionally, the unit is equipped with a durable, all-weather cabinet designed to resist corrosion and withstand the elements, ensuring longevity and reliability. The unit's aesthetic design also allows it to blend seamlessly into most outdoor settings, enhancing curb appeal without compromising functionality.

In terms of installation and maintenance, the Bryant 558J offers user-friendly features. Its compact design makes it easy to install in tight spaces, while the easy-access panel allows for straightforward maintenance and servicing, reducing downtime and improving overall efficiency.

The unit is compatible with smart thermostats, allowing homeowners to integrate modern technology into their HVAC systems. This compatibility empowers users to control their home environment remotely, monitor energy usage, and create personalized schedules that align with their lifestyles.

Furthermore, the Bryant 558J comes with a comprehensive warranty, offering peace of mind to residents investing in a cooling solution. This level of backing evidences the manufacturer's commitment to quality and customer satisfaction.

In summary, the Bryant 558J stands out as a premier air conditioning solution characterized by its high efficiency, variable-speed technology, durable construction, and modern compatibility. Whether for new installations or replacements, this model exemplifies the perfect balance of comfort, reliability, and energy savings, making it a worthwhile investment for any homeowner.
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