Bryant 551B 710 1482, 1677 808 1876 855 2081, 723 1577, 1775 820 1978, 737 1675, 1877 832 2085

Page 35

Table 26 — Fan Performance 551B120 — 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

3000

523

0.58

541

592

0.73

680

657

0.88

825

718

1.05

977

775

1.22

1135

3100

536

0.63

587

603

0.78

730

666

0.94

879

726

1.11

1035

783

1.28

1196

3200

549

0.68

637

614

0.84

783

676

1.00

936

735

1.17

1096

790

1.35

1260

3300

562

0.74

689

626

0.90

839

686

1.07

996

743

1.24

1159

798

1.42

1328

3400

575

0.80

744

637

0.96

898

696

1.14

1059

752

1.31

1226

806

1.50

1398

3500

588

0.86

802

649

1.03

961

707

1.21

1125

762

1.39

1296

815

1.58

1472

3600

601

0.93

864

661

1.10

1026

717

1.28

1194

771

1.47

1369

823

1.66

1548

3700

614

1.00

929

673

1.17

1095

728

1.36

1267

781

1.55

1445

832

1.75

1629

3800

628

1.07

997

685

1.25

1167

739

1.44

1343

791

1.64

1525

841

1.84

1712

3900

641

1.15

1069

697

1.33

1243

750

1.53

1423

801

1.72

1608

850

1.93

1799

4000

655

1.23

1144

709

1.42

1322

761

1.61

1506

812

1.82

1695

860

2.03

1890

4100

668

1.31

1223

722

1.51

1405

773

1.71

1593

822

1.92

1786

870

2.13

1984

4200

682

1.40

1305

734

1.60

1492

784

1.80

1683

833

2.02

1880

880

2.23

2082

4300

696

1.49

1392

747

1.70

1582

796

1.91

1777

844

2.12

1979

890

2.34

2184

4400

710

1.59

1482

760

1.80

1677

808

2.01

1876

855

2.23

2081

900

2.46

2290

4500

723

1.69

1577

773

1.90

1775

820

2.12

1978

866

2.35

2187

910

2.57

2400

4600

737

1.80

1675

785

2.01

1877

832

2.24

2085

877

2.46

2297

921

2.70

2514

4700

751

1.91

1778

798

2.13

1984

844

2.35

2195

889

2.59

2412

932

2.82

2633

4800

765

2.02

1885

812

2.25

2095

856

2.48

2310

900

2.71

2531

942

2.95

2756

4900

779

2.14

1996

825

2.37

2210

869

2.61

2430

912

2.85

2654

953

3.09

2883

5000

793

2.26

2112

838

2.50

2330

881

2.74

2554

923

2.98

2782

965

3.23

3014

 

 

 

 

 

 

 

 

 

 

 

 

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

3000

830

1.39

1298

883

1.57

1466

934

1.76

1638

982

1.95

1815

1029

2.14

1996

3100

837

1.46

1363

889

1.65

1534

938

1.83

1710

986

2.03

1891

1033

2.23

2075

3200

843

1.53

1431

894

1.72

1606

944

1.91

1785

991

2.11

1969

1037

2.31

2157

3300

850

1.61

1502

901

1.80

1680

949

2.00

1863

996

2.20

2051

1041

2.40

2242

3400

858

1.69

1576

907

1.88

1758

955

2.09

1944

1001

2.29

2135

1046

2.50

2331

3500

865

1.77

1653

914

1.97

1838

961

2.18

2029

1007

2.38

2223

1051

2.60

2422

3600

873

1.86

1733

921

2.06

1922

967

2.27

2116

1012

2.48

2314

1056

2.70

2516

3700

881

1.95

1816

928

2.16

2010

974

2.37

2207

1019

2.58

2409

1062

2.80

2615

3800

889

2.04

1904

936

2.25

2100

981

2.47

2302

1025

2.69

2507

1068

2.91

2716

3900

898

2.14

1995

944

2.35

2195

988

2.57

2399

1032

2.80

2608

1074

3.03

2821

4000

907

2.24

2089

952

2.46

2293

996

2.68

2501

1038

2.91

2713

1080

3.14

2930

4100

916

2.35

2187

960

2.57

2395

1004

2.80

2607

1046

3.03

2822

1087

3.26

3042

4200

925

2.45

2289

969

2.68

2500

1011

2.91

2716

1053

3.15

2935

1094

3.39

3159

4300

934

2.57

2395

978

2.80

2610

1020

3.03

2828

1061

3.27

3052

1101

3.52

3279

4400

944

2.69

2504

986

2.92

2723

1028

3.16

2946

1068

3.40

3173

1108

3.65

3403

4500

954

2.81

2618

996

3.05

2840

1037

3.29

3067

1076

3.54

3297

4600

963

2.93

2736

1005

3.18

2962

1045

3.42

3192

1085

3.67

3426

4700

974

3.07

2858

1014

3.31

3088

1054

3.56

3322

4800

984

3.20

2985

1024

3.45

3219

4900

994

3.34

3116

1034

3.60

3353

5000

1005

3.49

3251

LEGEND

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

*Motor drive range: 860 to 1080 rpm. All other rpms require field- supplied drive.

NOTES:

1.Boldface indicates field-supplied drive is required.

2.Maximum continuous bhp is 3.70.

3.See page 23 for general fan performance notes.

35

Image 35
Contents Provide Unit Support ContentsSafety Considerations InstallationPositioning III. Install Condensate Drain Line and External TrapIV. RIG and Place Unit 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 Optional EconoMi$er Convenience OutletManual Outdoor-Air Damper Hood Box Removal EconoMi$er IV Standard SensorsOutdoor-Air Hood Construction EconoMi$er IV Sensor Usage EconoMi$er IV Control ModesEconoMi$er IV Controller Potentiometer LED Locations Enthalpy Changeover Set Points Page Ppm CO2 Sensor Standard SettingsUration VII. Adjust EVAPORATOR-FAN SpeedUnit Heater Required Config Minimum Required Airflow ExceptionsEvaporator-Fan Motor Data Standard Motor Fan Rpm at Motor Pulley Setting* Standard Motor/DriveFan Rpm at Motor Pulley Setting* High-Static Motor/Drive General FAN Performance Notes Accessory/FIOP EconoMi$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$ER IV AdjustmentCooling Charging Charts, Standard 551B090 Unit Cooling Charging Charts, Standard 551B120 Unit VII. Replacement Parts Problem Cause Remedy Troubleshooting Unit TroubleshootingCooling Troubleshooting Low System Capacity Subcooling Mode Liquid ReheatReheat Mode Will Not Energize Will Not EnergizeII. ECONOMI$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.