Bryant 551A Specifications Subject To Change Without Notice, Printed in U.S.A, 1/02, Catalog No

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Contents 551B036-072 558F036-073 551B090-150 551A155,180558F090-150 FEATURES/BENEFITSEASY MAINTENANCE AND INSTALLATION 558F180-210 559F180-216 558F300 558F240 559F240-300QUIET, EFFICIENT OPERATION AND DEPENDABLE PERFORMANCE Single-Point Electrical Power Connections permit easierSERVICEABILITY Totally Enclosed Condenser Fan Motors and permanently558F036-150 TABLE OF CONTENTSGuide Specifications - Sizes 558F180-300OPTIONS AND ACCESSORIES 2. Some options may increase product lead timesLOW AMBIENT CONTROLS OPTIONS AND ACCESSORIES contBAROMETRIC RELIEF/POWER EXHAUST 155-300 Shown Perfect Humidity DEHUMIDIFICATION PACKAGE DURA-SHIELD CONDENSER COIL OPTIONSCONDENSER COIL PROTECTION APPLICATIONS Dura-Shield OptionDURABLADE ECONOMIZER LIGHT COMMERCIAL THERMIDISTATTIME GUARD CONTROL BRYANT COMMERCIAL THERMOSTATFactory-installed, internally-mounted, NEC National Electri- cal Code and UL Underwriters’ Laboratories approved non-fused switch provides unit power shutoff with disconnect lockout protection capability. The switch is accessible from outside the unit UNIT-MOUNTED DISCONNECT SizesCONVENIENCE OUTLET CONTROL BOX HINGED PANEL OPTION 581B036-072 UNITS HAIL GUARDCOIL GUARD GRILLE 036-150 Only COMPRESSOR HINGED PANEL OPTION 581B090-150 UNITS SHOWNLP CONVERSION KIT EVAPORATOR-FAN HINGED PANEL OPTIONFILTER HINGED PANEL OPTION 581B036-072OPERATING SEQUENCE - SIZE 090-150 UNITS CONTROLSOPERATING SEQUENCE - SIZE 036-073 UNITS CONTROLS cont SEQUENCE OF OPERATION SIZESPerfect Humidity Dehumidification Option TYPICAL WIRING SCHEMATIC Single Fan Units, Sizes ACTUATOR TYPICAL WIRING SCHEMATIC Two-Fan Units, SizeEconoMi$er TYPICAL WIRING SCHEMATIC Sizes 3. Jumpers are omitted when unit is equipped with EconoMi$er Non-Fused Disconnect Optional TYPICAL WIRING SCHEMATIC contEconoMi$er Wiring Horizontal Discharge Ducting TYPICAL PIPING AND WIRING - SIZESVertical Discharge Ducting 2. Installation must comply with all applicable codes 12. PERFECT HUMIDITY DEHUMIDIFICATION PACKAGE APPLICATION DATA10. MAXIMUM OPERATING OUTDOOR-AIR TEMPERATURE Concentric Duct Distribution Unit Sizesc. MUSEUMS AND LIBRARIES - Humidity can damage books and artwork APPLICATION DATA contApplications 15. PERFECT HUMIDITY DEHUMIDIFICATION PACKAGE FEATURES AND BENEFITS Pressure Enthalpy Curve Point 3 - Leaving Air F 63.0 db/56.8 wb With Subcooler Psychrometric Chart 551B072 ShownWithout Subcooler db - Dry Bulb wb - Wet BulbARI* CAPACITY RATINGS MODEL NUMBER NOMENCLATURE - 558F558F036 558F E X 090 000 KBPHYSICAL DATA - 558F036-073 558F036PHYSICAL DATA - 558F090-150 558F036BASE UNIT DIMENSIONS - 558F036-072 558F036-150BASE UNIT DIMENSIONS - 558F073 BASE UNIT DIMENSIONS - 558F090,102,120,150 558F036-150BASE UNIT DIMENSIONS - 558F091,121 ACCESSORY DIMENSIONS ACCESSORY DIMENSIONS cont II SELECT UNIT BASED ON REQUIRED COOLING CAPACITY SELECTION PROCEDURE with 558F048 exampleI DETERMINE COOLING AND HEATING REQUIRE- MENTS AT DESIGN CONDITIONS III SELECT ELECTRIC HEATover PERFORMANCE DATACOOLING CAPACITIES PERFORMANCE DATA cont COOLING CAPACITIES contCOOLING CAPACITIES cont 558F036-150PERFORMANCE DATA cont COOLING CAPACITIES cont FAN PERFORMANCE - VERTICAL DISCHARGE UNITS FAN PERFORMANCE - VERTICAL DISCHARGE UNITS cont FAN PERFORMANCE - VERTICAL DISCHARGE UNITS cont 558F036-150PERFORMANCE DATA cont FAN PERFORMANCE - VERTICAL DISCHARGE UNITS cont PERFORMANCE DATA cont558F036-150 FAN PERFORMANCE - VERTICAL DISCHARGE UNITS cont 558F036-150PERFORMANCE DATA cont FAN PERFORMANCE - VERTICAL DISCHARGE UNITS cont PERFORMANCE DATA cont558F036-150 FAN PERFORMANCE - VERTICAL DISCHARGE UNITS cont 558F036-150PERFORMANCE DATA cont FAN PERFORMANCE - VERTICAL DISCHARGE UNITS cont PERFORMANCE DATA cont558F036-150 FAN PERFORMANCE - VERTICAL DISCHARGE UNITS cont 558F036-150PERFORMANCE DATA cont FAN PERFORMANCE - VERTICAL DISCHARGE UNITS cont FAN PERFORMANCE - HORIZONTAL DISCHARGE UNITS FAN PERFORMANCE - HORIZONTAL DISCHARGE UNITS cont FAN PERFORMANCE - HORIZONTAL DISCHARGE UNITS cont 558F036-150PERFORMANCE DATA cont FAN PERFORMANCE - HORIZONTAL DISCHARGE UNITS cont PERFORMANCE DATA cont558F036-150 FAN PERFORMANCE - HORIZONTAL DISCHARGE UNITS cont 558F036-150PERFORMANCE DATA cont FAN PERFORMANCE - HORIZONTAL DISCHARGE UNITS cont PERFORMANCE DATA cont558F036-150 FAN PERFORMANCE - HORIZONTAL DISCHARGE UNITS cont 558F036-150PERFORMANCE DATA cont FAN PERFORMANCE - HORIZONTAL DISCHARGE UNITS cont PERFORMANCE DATA cont558F036-150 FAN PERFORMANCE - HORIZONTAL DISCHARGE UNITS cont 558F036-150PERFORMANCE DATA cont FAN PERFORMANCE - HORIZONTAL DISCHARGE UNITS cont GENERAL FAN PERFORMANCE NOTES 4. Interpolation is permissible. Do not extrapolateFAN RPM AT MOTOR PULLEY SETTINGS ACCESSORY/FIOP STATIC PRESSURE in. wg - 558F036-073ACCESSORY/FIOP STATIC PRESSURE* in. wg - 558F090-150 OUTDOOR SOUND DATA Total Unit EconoMi$er Power Exhaust Performance 558F036-073EconoMi$er Power Exhaust Performance 558F090-150 EVAPORATOR-FAN MOTOR EFFICIENCYEVAPORATOR-FAN MOTOR PERFORMANCE CONTINUOUS BHPELECTRIC HEATING CAPACITIES MULTIPLICATION FACTORSELECTRICAL DATA - 558F036-073 ELECTRICAL DATA - 558F036-073 cont ELECTRICAL DATA - 558F036-073 cont ELECTRICAL DATA - 558F090-150 ELECTRICAL DATA - 558F090-150 cont LEGEND AND NOTES FOR ELECTRICAL DATA TABLES PAGES 2. Unbalanced 3-Phase Supply Voltage551B E X 090 000 DA MODEL NUMBER NOMENCLATURE - 551B551B036-150 PHYSICAL DATA - 551B036-072 Acutrol Metering Device PHYSICAL DATA - 551B090-150High Efficiency Enhanced Copper Tubes, Aluminum Double-Wavy Fins 551B036 BASE UNIT DIMENSIONS - 551B036-072BASE UNIT DIMENSIONS - 551B090-150 551B036-150ACCESSORY DIMENSIONS - 551B036-072 ACCESSORY DIMENSIONS - 551B090-150 V DETERMINE NET CAPACITIES SELECTION PROCEDURE With 551B048 ExampleIV DETERMINE FAN SPEED AND POWER REQUIRE- MENTS AT DESIGN CONDITIONS hlwb = hewb COOLING CAPACITIES, STANDARD UNITStldb = tedb COOLING CAPACITIES, STANDARD UNITS cont 551B036551B036 COOLING CAPACITIES, UNITS WITH PERFECT HUMIDITY OPTION COOLING CAPACITIES, UNITS WITH PERFECT HUMIDITY OPTION cont 551B036PERFORMANCE DATA CONT 551B036 551B036 PERFORMANCE DATA cont FAN PERFORMANCE - VERTICAL DISCHARGE UNITS contPERFORMANCE DATA cont FAN PERFORMANCE - VERTICAL DISCHARGE UNITS contPERFORMANCE DATA cont FAN PERFORMANCE - HORIZONTAL DISCHARGE UNITSFAN PERFORMANCE - HORIZONTAL DISCHARGE UNITS cont 551B036-150PERFORMANCE DATA cont FAN PERFORMANCE - HORIZONTAL DISCHARGE UNITS cont PERFORMANCE DATA cont551B036-150 PERFORMANCE DATA cont EVAPORATOR-FAN MOTOR PERFORMANCE - STANDARD MOTOR FAN RPM AT MOTOR PULLEY SETTING* STANDARD MOTOR/DRIVEFAN RPM AT MOTOR PULLEY SETTING* HIGH-STATIC MOTOR/DRIVE ELECTRIC HEATERS STATIC PRESSURE DROP in. wg 551B036-072 ACCESSORY/FIOP ECONOMIZERS ANDEVAPORATOR-FAN MOTOR PERFORMANCE - HIGH-STATIC MOTORS ELECTRIC HEATERS STATIC PRESSURE DROP in. wg 551B090-150EconoMi$er Power Exhaust Performance Vertical EconoMi$er Barometric Relief Damper CharacteristicsHorizontal EconoMi$er Barometric Relief Damper Characteristics EconoMi$er Power Exhaust Performance 551B036-072Vertical EconoMi$er Return-Air Pressure Drop OUTDOOR SOUND POWER TOTAL UNITVertical EconoMi$er Outdoor-Air Leakage Horizontal EconoMi$er Return-Air Pressure DropLEGEND AND NOTES FOR ELECTRICAL DATA TABLES ELECTRICAL DATA STANDARD MOTOR UNITS WITHOUT ELECTRICAL CONVENIENCE OUTLETELECTRICAL DATA cont STANDARD MOTOR UNITS WITHOUT ELECTRICAL CONVENIENCE OUTLET contSTANDARD MOTOR UNITS WITH ELECTRICAL CONVENIENCE OUTLET STANDARD MOTOR UNITS WITH ELECTRICAL CONVENIENCE OUTLET cont HIGH-STATIC MOTOR UNITS WITHOUT ELECTRICAL CONVENIENCE OUTLET 551B102†† HIGH-STATIC MOTOR UNITS WITHOUT ELECTRICAL CONVENIENCE OUTLET cont551B090†† 551B120††HIGH-STATIC MOTOR UNITS WITH ELECTRICAL CONVENIENCE OUTLET HIGH-STATIC MOTOR UNITS WITH ELECTRICAL CONVENIENCE OUTLET cont PART 1 - GENERAL GUIDE SPECIFICATIONS - SIZES558F/551B036-150 PART 2 - PRODUCTSGUIDE SPECIFICATIONS - SIZES 036-150 cont 13. High-Static Motor and Drive 036-120 3-phase units only AIR QUANTITY LIMITS MODEL NUMBER NOMENCLATURE - 559F5 5 9 F E X 1 8 0 0 0 0 A H C B LOW OUTDOOR TEMPERATURE OPERATING LIMITS FELECTRIC RESISTANCE HEATER DATA - 559F180-300 559F180-300ARI* CAPACITY RATINGS cont Copper Plate Fins, Face Split PHYSICAL DATA - 559F180-300Aluminum Pre-Coated, or Copper Plate Fins PHYSICAL DATA - 559F180-300 cont OPERATING AND RIGGING WEIGHTSOPTIONS AND ACCESSORIES Weight Adders BASE UNIT DIMENSIONS - 559F180-216 300-559F180BASE UNIT DIMENSIONS - 559F240-300 Horizontal and Vertical Roof Curbs and Horizontal Adapter Curb DIMENSIONS degrees and inchesHorizontal Supply/Return Adapter Installation Barometric Relief/Power ExhaustK.O. - Knockout Factory-Installed Convenience OutletFactory-Installed Non-Fused Disconnect I DETERMINE COOLING REQUIREMENTS AT DESIGN CONDITIONS SELECTION PROCEDURE with 559F180 exampleIII DETERMINE FAN SPEED AND POWER REQUIRE- MENTS AT DESIGN CONDITIONS IV DETERMINE NET COOLING CAPACITYover COOLING CAPACITIES cont Above 80 F edb, add corr factor x cfm to SHC tlwb = 559F180tldb hlwb =GLYCOL HEATING PERFORMANCE FAN PERFORMANCE - 559F180-300 UNITS559F180 FAN PERFORMANCE - 559F180-300 UNITS contACCESSORY/FIOP STATIC PRESSURE in. wg* - 559F216-300 OUTDOOR SOUND POWERACCESSORY/FIOP STATIC PRESSURE in. wg* - 559F180 High Static Regain Adapter Fan Performance Using Accessory Power Exhaust 559F180-300Horizontal Supply/Return Fan Performance with CRRFCURB013A00 3 Ph, 60 Hz 20 TonsELECTRICAL DATA cont 5 5 8 F E X 2 1 0 0 0 0 A A A A MODEL NUMBER NOMENCLATURE - 558F180-300558F180-300 ELECTRIC RESISTANCE HEATER DATA - 558F180-300 3750PHYSICAL DATA - 558F180-300 558F180PHYSICAL DATA - 558F180-300 cont BASE UNIT DIMENSIONS - 558F180 BASE UNIT DIMENSIONS - 558F240 558F180BASE UNIT DIMENSIONS - 558F300 units requiring Standard curbStandard curb for Side supply andPre-Assembled, High Static PACKAGE NO2 ′-0 ″ Horizontal AdapterFactory-Installed Non-Fused Disconnect SELECTION PROCEDURE with 558F240 Example COOLING CAPACITIES COOLING CAPACITIES LEGEND AND NOTES This accessory glycol coil is intended for use with a MINIMUM of 25% glycol FAN PERFORMANCE - 558F180-300 UNITS 558F180FAN PERFORMANCE - 558F180-300 UNITS cont ACCESSORY/FIOP STATIC PRESSURE in. wg* - 558F180-300 Fan Performance Using Accessory Power Exhaust 558F180-300 ELECTRICAL DATA - 558F180-300 ELECTRICAL DATA - 558F180-300 cont 551A E X 155 000 AJ C B MODEL NUMBER NOMENCLATURE - 551A551A155-180 COOLING OPERATION AIR QUANTITY LIMITSELECTRIC RESISTANCE HEATER DATA INDOOR SOUND DATA TOTAL UNITPHYSICAL DATA - 551A155,180 Face SplitWeight Adders OPTIONS AND ACCESSORIESPHYSICAL DATA cont BASE UNIT DIMENSIONS - 551A155,180 ACCESSORY DIMENSIONS 551A155-180Barometric Relief/Power Exhaust ACCESSORY DIMENSIONS contHorizontal Supply/Return Adapter Installation 551A155-180Factory-Installed Non-Fused Disconnect V DETERMINE NET COOLING CAPACITIES SELECTION PROCEDUREVI SELECT THE UNIT THAT CORRESPONDS TO POWER SOURCE AVAILABLE FACTOR BYPASSENTERING AIR DRY-BULB TEMP F under ENTERING AIR DRY-BULB TEMP F551A155 FACTORFAN PERFORMANCE - 551A155,180 UNITS 551A155FAN PERFORMANCE - 551A155,180 UNITS cont ACCESSORY/FIOP STATIC PRESSURE in. wg* - 551A155,180 ACCESSORY/FIOP STATIC PRESSURE in. wg - 551A155,180 UNITSFan Performance Using Accessory Power Exhaust 551A155,180 EVAPORATOR FAN MOTOR PERFORMANCEELECTRICAL DATA - 551A155,180 551A155551A/558F/559F155-300 ambient outdoor temperature per maximum load cri GUIDE SPECIFICTIONS - SIZES 155-300 cont1. Unit shall be capable of starting and running at 125 F gas passing through motor windings and shall haveGUIDE SPECIFICATIONS - SIZES 155-300 cont GUIDE SPECIFICATIONS - SIZES 155-300 cont 89-92 INDEX21-25 50-60Copyright 2002 Bryant Heating & Cooling Systems SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICEUNIT MUST BE INSTALLED IN ACCORDANCE WITH INSTALLATION INSTRUCTIONS Printed in U.S.A
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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.