Bryant 551B 465 402, 596 629 802 694 1021, 1252, 471 421, 618 634 828 699 1050, 1283, 483 461

Page 31

Table 22 — Fan Performance 551B090 — Horizontal Discharge Units; Standard Motor (Belt Drive)*

AIRFLOW

 

 

 

 

 

EXTERNAL STATIC PRESSURE (in. wg)

 

 

 

 

 

 

0.2

 

 

0.4

 

 

0.6

 

 

0.8

 

 

1.0

 

CFM

 

 

 

 

 

 

 

 

 

 

 

Rpm

Bhp

Watts

Rpm

Bhp

Watts

Rpm

Bhp

Watts

Rpm

Bhp

Watts

Rpm

Bhp

Watts

2250

465

0.43

402

555

0.64

596

629

0.86

802

694

1.10

1021

753

1.34

1252

2300

471

0.45

421

560

0.66

618

634

0.89

828

699

1.13

1050

757

1.38

1283

2400

483

0.49

461

571

0.71

665

644

0.94

881

708

1.19

1109

766

1.45

1348

2500

495

0.54

503

581

0.77

715

654

1.01

937

717

1.26

1171

775

1.52

1416

2550

501

0.56

526

587

0.79

740

659

1.04

967

722

1.29

1204

779

1.56

1452

2600

507

0.59

549

592

0.82

767

664

1.07

996

727

1.33

1237

784

1.60

1488

2700

519

0.64

597

603

0.88

823

674

1.14

1059

737

1.40

1306

793

1.68

1563

2800

532

0.70

649

614

0.95

882

684

1.21

1125

746

1.48

1378

803

1.76

1641

2900

544

0.75

703

625

1.01

944

695

1.28

1194

756

1.56

1453

812

1.85

1723

3000

557

0.82

761

637

1.08

1009

705

1.36

1266

766

1.64

1533

822

1.94

1808

3100

570

0.88

823

648

1.16

1079

716

1.44

1342

776

1.73

1615

831

2.03

1897

3200

583

0.95

888

660

1.23

1151

727

1.53

1422

787

1.82

1702

841

2.13

1991

3300

596

1.03

957

672

1.32

1228

738

1.61

1506

797

1.92

1792

851

2.24

2088

3400

609

1.10

1030

684

1.40

1308

749

1.71

1593

808

2.02

1887

861

2.35

2188

3500

622

1.19

1106

696

1.49

1392

760

1.81

1685

818

2.13

1985

872

2.46

2294

3600

635

1.27

1187

708

1.59

1481

771

1.91

1781

829

2.24

2088

882

2.58

2403

3700

649

1.36

1272

720

1.69

1573

783

2.02

1881

840

2.35

2195

892

2.70

2517

3750

655

1.41

1316

726

1.74

1621

789

2.07

1932

845

2.41

2250

897

2.76

2575

 

 

 

 

 

 

 

 

 

 

 

 

AIRFLOW

 

 

 

 

 

EXTERNAL STATIC PRESSURE (in. wg)

 

 

 

 

 

 

1.2

 

 

1.4

 

 

1.6

 

 

1.8

 

 

2.0

 

CFM

 

 

 

 

 

 

 

 

 

 

 

Rpm

Bhp

Watts

Rpm

Bhp

Watts

Rpm

Bhp

Watts

Rpm

Bhp

Watts

Rpm

Bhp

Watts

2250

806

1.60

1494

856

1.87

1747

903

2.15

2009

947

2.45

2282

988

2.75

2564

2300

811

1.64

1528

860

1.91

1784

907

2.20

2048

950

2.49

2323

992

2.80

2607

2400

819

1.71

1599

868

1.99

1859

915

2.28

2129

958

2.58

2410

1000

2.89

2698

2500

828

1.79

1672

877

2.08

1938

923

2.37

2214

966

2.68

2499

2550

832

1.83

1710

881

2.12

1979

927

2.42

2258

971

2.73

2545

2600

836

1.88

1749

885

2.17

2021

931

2.47

2302

975

2.78

2592

2700

845

1.96

1830

894

2.26

2107

940

2.57

2394

983

2.88

2689

2800

854

2.05

1914

903

2.36

2197

948

2.67

2488

2900

864

2.15

2002

912

2.46

2290

957

2.77

2587

3000

873

2.24

2093

921

2.56

2388

966

2.89

2691

3100

882

2.35

2189

930

2.67

2489

3200

892

2.45

2288

939

2.78

2595

3300

901

2.56

2391

948

2.90

2704

3400

911

2.68

2499

3500

921

2.80

2610

3600

3700

3750

LEGEND

Bhp — Brake Horsepower Input to Fan Watts — Input Watts to Motor

*Motor drive range: 840 to 1085 rpm. All other rpms require field- supplied drive.

NOTES:

1.Boldface indicates field-supplied drive is required.

2.Maximum continuous bhp is 2.90.

3.See page 23 for general fan performance notes.

31

Image 31
Contents Provide Unit Support ContentsSafety Considerations InstallationIV. RIG and Place Unit III. Install Condensate Drain Line and External TrapPositioning Roof Curb Details Operating WeightBase Unit Dimensions Unit 551B Physical DataNEC Field Power SupplyMake Electrical Connections IFCFLA MCA Mocp LRA Hacr Electrical DataVoltage Comp no Electric Heater †Used to determine minimum disconnect per NEC Electric Heater UsagePerfect Humidity Dehumidification System Field Control WiringHeat Anticipator Settings VI. Adjust FACTORY-INSTALLED Options A. Disconnect SwitchAccessory Field-Installed Humidistat Manual Outdoor-Air Damper Convenience OutletOptional EconoMi$er Hood Box Removal EconoMi$er IV Standard SensorsOutdoor-Air Hood Construction EconoMi$er IV Sensor Usage EconoMi$er IV Control ModesEconoMi$er IV Controller Potentiometer LED Locations Enthalpy Changeover Set Points Page Ppm CO2 Sensor Standard SettingsUration VII. Adjust EVAPORATOR-FAN SpeedUnit Heater Required Config Minimum Required Airflow ExceptionsFan Rpm at Motor Pulley Setting* High-Static Motor/Drive Fan Rpm at Motor Pulley Setting* Standard Motor/DriveEvaporator-Fan Motor Data Standard Motor General FAN Performance Notes Accessory/FIOP EconoMi$er IV Static Pressure* in. wgAccessory/FIOP Electric Heaters Static Pressure in. wg Evaporator-Fan Motor Data High-Static MotorsAirflow 974 716 1204 774 1449 832 690 1051 750 1285866 697 1088 756 1324 901 703 1125 762 1365502 424 489 386506 629 625 688 745 8661844 15671656 1748760 1170 809 1323 748 684 891 738 1034 789 1177805 695 953 749 1100 799 1249 865 7071873 865 707 1018 760 1170 809 1323929 718 1086 771 1244 820 1401 1665697 1281 753 654 1040 713668 1116 726 683 1197 739471 421 465 402596 629 802 694 1021 12521009 705 1266 766 1533 823 674 1059 737 1306882 684 1125 746 1378 944 695 1194 756 1453474 381 462 348467 614 594 681 728 8682930 27162821 2293 996 2501 1038 27131775 820 1978 710 14821677 808 1876 855 2081 723 15771877 1492 784 16831582 796 1777 1677 808 1876791 1525 614 929 673781 1445 628 997 685START-UP Unit Preparation Internal WiringVI. Refrigerant Service Ports PRE-START-UPXII. Ventilation Continuous FAN Heating if Accessory Heater is InstalledXI. Safety Relief IX. CoolingPerfect Humidity System Normal Design Cooling Operation Condenser Coils Units With Power ExhaustService Cleaning Evaporator CoilII. Lubrication III. CONDENSER-FAN Adjustment FIGIV. BELT/PULLEY Adjustment ECONOMI$ER IV AdjustmentCooling Charging Charts, Standard 551B090 Unit Cooling Charging Charts, Standard 551B120 Unit VII. Replacement Parts Cooling Troubleshooting Troubleshooting Unit TroubleshootingProblem Cause Remedy Low System Capacity Subcooling Mode Liquid ReheatReheat Mode Will Not Energize Will Not EnergizeII. ECONOMI$ER IV Troubleshooting Demand Control Enthalpy EconoMi$er IV Troubleshooting CompletionEconoMi$er IV Input/Output Logic Inputs OutputsIndex Operating sequence Cooling EconoMi$er HeatingPage III. START-UP Electrical START-UP ChecklistTemperatures Preliminary Information
Related manuals
Manual 170 pages 34.1 Kb Manual 61 pages 53.59 Kb

551B 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.