COMMERCIAL

551A, 551B, 558F, 559F

DuraPac and

SINGLE PACKAGE ROOFTOP

DuraPac Plus Series

ELECTRIC COOLING UNITS
Sizes 036-300

 

 

3 to 25 Tons

 

 

551B036-072

558F036-073

551B090-150

551A155,180558F090-150

558F180-210

559F180-216

558F300

558F240

559F240-300

FEATURES/BENEFITS

•Efficient cooling using hermetic compressors.

•Full range of electric heat sizes available — exactly the right size for your needs.

•Accessory hydronic glycol heating coils are available for unit sizes 155-300.

•High reliability — non-corrosive condensate pans (036-150), prepainted cabinets and primed interior panels, and all units are fully protected by internal safeties.

•Quietest operation in the industry — all compressors mounted on independent vibration isolators. Standard belt-driven evaporator fan motors on all units (except 558F036-060).

•Ease of maintenance achieved by standard size filters, tool- less filter access, simple compressor access, permanently lubricated fan motors, optional disconnect switch, optional 115-v convenience outlet, and optional hinged access panels.

•Perfect Humidity™ dehumidification package (not available on 558F036-150 units). This factory-installed option im- proves the dehumidification capability of the rooftop unit and helps control humidity levels in the conditioned space.

BRYANT MEANS TOP QUALITY AND RELIABILITY — Each component utilized in these units is designed and tested for a minimum of 15 years operation under the harshest conditions.

Every unit is thoroughly run tested at the factory in each oper- ating mode and evacuated prior to final charging. Every coil is leak-tested with helium particles. Automated run testing allows accurate impartial tests and measurements which are second to none in the industry.

Each unit contains a factory printout indicating tested pressures, amperages, dates, and inspectors, providing certifi- cation of the unit’s status at the time of manufacture.

Units are equipped with valuable safety controls designed to monitor and protect the unit for life. The standard safeties include:

•low-pressure/loss-of-charge switch

•high-pressure switch

•freeze-protection thermostat

•internal compressor overload

•exclusive Cycle-LOC™ circuit board that provides compres- sor anti-cycling (except 558F036-150)

•refrigerant filter drier

The cabinet is constructed of galvanized steel, bonderized and coated with a prepainted baked enamel finish. The paint finish is a non-chalking type, and is capable of exceeding Federal Test Method Standard No. 141 (Method 6061) 500-Hour Salt Spray Test. In addition, all internal cabinet panel surfaces are primed, allowing the entire unit to have a longer life and more attractive appearance.

EASY MAINTENANCE AND INSTALLATION

All Units are Factory Shipped in the Vertical Discharge Configuration for fit-up to standard roof curbs. (One acces- sory curb fits sizes 036-072; accessory curbs fit sizes 090-150 and 155-300.) The contractor can order and install the roof curbs early in the construction stage, before decisions on size requirements have been made.

All Units Feature Roll-Formed Baserail design with forklift slots on 3 sides of the unit and rigging holes for easier maneu- vering and installation. Stretch-wrap packaging protects the unit during shipment and storage.

Form No. PDS 558F.36.2
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Bryant manual Features/Benefits, 551B036-072 558F036-073 551B090-150 551A155,180558F090-150, DuraPac and, Commercial
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551A, 551B, 558F specifications

The Bryant 551B and 551C are two highly efficient air conditioning units designed to provide optimal comfort in residential settings. Known for their reliability and performance, these models are part of Bryant's esteemed line of heating and cooling solutions.

One of the standout features of the Bryant 551B is its two-stage cooling system, which allows for better humidity control and increased comfort. This ensures that homeowners can enjoy consistent temperatures while reducing energy consumption. The unit operates quietly, thanks to its noise-reducing technology, making it an ideal choice for bedrooms and living spaces.

On the other hand, the Bryant 551C builds upon this foundation with its variable-speed compressor. This technology allows the unit to adjust its cooling output according to the specific needs of the home. This results in seamless operation and even greater energy efficiency. Both models also incorporate Bryant's advanced control capabilities, which allow users to monitor and adjust settings remotely via smart devices, adding a layer of convenience and modernity to home climate control.

With an emphasis on durability, both the 551B and 551C feature a galvanized steel cabinet that protects against weather-related damage. The powder coat finish further enhances their resistance to rust and corrosion, ensuring a long lifespan and minimal maintenance.

Another significant characteristic of these units is their excellent Seasonal Energy Efficiency Ratio (SEER) ratings. The 551B boasts a SEER rating of up to 16, while the 551C takes it even further with ratings exceeding 20. This efficiency not only translates to lower energy bills for homeowners but also contributes to a reduced carbon footprint, making these units environmentally friendly options.

Both models are also designed to operate with eco-friendly refrigerants, aligning with modern energy standards and regulations aimed at reducing greenhouse gas emissions.

In summary, the Bryant 551B and 551C are exemplary choices for homeowners looking for reliable, efficient, and high-performing air conditioning solutions. With features such as two-stage and variable-speed compressors, advanced smart technology, and robust construction, these models stand out in the competitive HVAC market. They promise a comfortable indoor environment along with significant energy savings, making them a wise investment for the future.
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