Bryant 551B 654 1040 713, 668 1116 726, 683 1197 739, 697 1281 753, 712 1370 766, 726 1462 780

Page 30

Table 21 — Fan Performance 551B150 — Vertical 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

3700

654

1.11

1040

713

1.31

1218

767

1.50

1395

817

1.69

1571

863

1.87

1748

3800

668

1.20

1116

726

1.39

1299

779

1.59

1481

828

1.78

1662

874

1.98

1844

3900

683

1.28

1197

739

1.48

1385

792

1.69

1572

840

1.88

1758

886

2.08

1943

4000

697

1.37

1281

753

1.58

1474

804

1.79

1666

852

1.99

1857

897

2.20

2048

4100

712

1.47

1370

766

1.68

1567

817

1.89

1764

864

2.10

1960

909

2.31

2155

4200

726

1.57

1462

780

1.79

1665

830

2.00

1866

876

2.22

2067

920

2.43

2268

4300

741

1.67

1559

794

1.89

1767

843

2.12

1973

889

2.34

2179

932

2.56

2384

4400

755

1.78

1660

807

2.01

1873

856

2.23

2084

901

2.46

2295

944

2.69

2505

4500

770

1.89

1766

821

2.13

1984

869

2.36

2200

914

2.59

2415

956

2.82

2630

4600

785

2.01

1876

835

2.25

2099

882

2.49

2320

926

2.72

2541

968

2.96

2760

4700

800

2.14

1991

849

2.38

2219

895

2.62

2445

939

2.86

2670

980

3.10

2895

4800

815

2.26

2111

863

2.51

2344

909

2.76

2575

952

3.01

2805

993

3.25

3034

4900

829

2.40

2235

877

2.65

2473

922

2.91

2709

965

3.16

2944

1005

3.41

3178

5000

844

2.54

2365

891

2.80

2608

936

3.06

2849

978

3.31

3089

1018

3.57

3328

5100

859

2.68

2499

906

2.95

2747

949

3.21

2994

991

3.47

3238

1030

3.73

3483

5200

874

2.83

2640

920

3.10

2892

963

3.37

3143

1004

3.64

3393

1043

3.91

3642

5300

889

2.99

2784

934

3.26

3042

977

3.54

3298

1017

3.81

3553

1056

4.08

3807

5400

904

3.15

2936

949

3.43

3198

990

3.71

3459

1030

3.99

3719

1068

4.27

3977

5500

920

3.32

3092

963

3.60

3359

1004

3.89

3625

1044

4.17

3890

1081

4.45

4153

5600

935

3.49

3253

977

3.78

3525

1018

4.07

3796

1057

4.36

4066

1094

4.65

4335

5700

950

3.67

3421

992

3.97

3698

1032

4.26

3974

1070

4.56

4249

1107

4.85

4522

5800

965

3.85

3594

1006

4.16

3876

1046

4.46

4157

1084

4.76

4436

1120

5.06

4715

5900

980

4.05

3773

1021

4.35

4060

1060

4.66

4346

1098

4.97

4630

6000

995

4.24

3958

1036

4.56

4250

1074

4.87

4541

1111

5.18

4831

6100

1011

4.45

4149

1050

4.77

4446

1088

5.09

4742

6200

1026

4.66

4347

1065

4.99

4649

6300

1041

4.88

4550

 

 

 

 

 

 

 

 

 

 

 

 

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

3700

907

2.06

1924

949

2.25

2101

989

2.44

2279

1027

2.63

2457

1063

2.83

2636

3800

918

2.17

2025

959

2.37

2207

999

2.56

2389

1036

2.76

2571

1073

2.95

2755

3900

929

2.28

2130

970

2.48

2316

1009

2.68

2502

1046

2.88

2690

1082

3.09

2877

4000

940

2.40

2238

980

2.61

2429

1019

2.81

2620

1056

3.02

2812

1092

3.22

3004

4100

951

2.52

2351

991

2.73

2547

1029

2.94

2743

1066

3.15

2939

1102

3.36

3136

4200

962

2.65

2468

1002

2.86

2668

1040

3.08

2869

1076

3.29

3070

1112

3.51

3271

4300

973

2.78

2589

1013

3.00

2794

1050

3.22

2999

1087

3.44

3205

1122

3.66

3411

4400

985

2.91

2715

1024

3.14

2924

1061

3.36

3134

1097

3.59

3345

1132

3.81

3555

4500

996

3.05

2845

1035

3.28

3059

1072

3.51

3274

1108

3.74

3489

1142

3.97

3704

4600

1008

3.20

2979

1046

3.43

3199

1083

3.67

3418

1118

3.90

3638

1152

4.14

3857

4700

1020

3.34

3119

1058

3.58

3343

1094

3.83

3567

1129

4.07

3792

1163

4.31

4016

4800

1032

3.50

3263

1069

3.74

3492

1105

3.99

3721

1140

4.24

3950

1174

4.48

4179

4900

1044

3.66

3413

1081

3.91

3646

1117

4.16

3880

1151

4.41

4113

1184

4.66

4347

5000

1056

3.82

3566

1093

4.08

3805

1128

4.34

4044

1162

4.59

4282

1195

4.85

4520

5100

1068

4.00

3726

1104

4.26

3969

1139

4.52

4212

1173

4.78

4456

1206

5.04

4699

5200

1080

4.17

3891

1116

4.44

4139

1151

4.70

4386

1185

4.97

4634

5300

1093

4.35

4060

1128

4.63

4314

1163

4.90

4566

1196

5.17

4819

5400

1105

4.54

4236

1140

4.82

4494

1174

5.10

4751

5500

1118

4.74

4417

1152

5.02

4679

5600

1130

4.94

4603

5700

5800

5900

6000

6100

6200

6300

LEGEND

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

*Motor drive range: 830 to 1130 rpm. All other rpms require field- supplied drive.

NOTES:

1.Boldface indicates field-supplied drive is required.

2.Maximum continuous bhp is 5.25.

3.See page 23 for general fan performance notes.

30

Image 30
Contents Installation ContentsSafety Considerations Provide Unit SupportIII. Install Condensate Drain Line and External Trap IV. RIG and Place UnitPositioning Roof Curb Details Weight OperatingBase Unit Dimensions Physical Data Unit 551BIFC Field Power SupplyMake Electrical Connections NECElectrical Data FLA MCA Mocp LRA HacrVoltage Comp no Electric Heater Electric Heater Usage †Used to determine minimum disconnect per NECVI. Adjust FACTORY-INSTALLED Options A. Disconnect Switch Field Control WiringHeat Anticipator Settings Perfect Humidity Dehumidification SystemAccessory Field-Installed Humidistat Convenience Outlet Manual Outdoor-Air DamperOptional EconoMi$er EconoMi$er IV Standard Sensors Hood Box RemovalOutdoor-Air Hood Construction EconoMi$er IV Control Modes EconoMi$er IV Sensor UsageEconoMi$er IV Controller Potentiometer LED Locations Enthalpy Changeover Set Points Page CO2 Sensor Standard Settings PpmMinimum Required Airflow Exceptions VII. Adjust EVAPORATOR-FAN SpeedUnit Heater Required Config UrationFan Rpm at Motor Pulley Setting* Standard Motor/Drive Fan Rpm at Motor Pulley Setting* High-Static Motor/DriveEvaporator-Fan Motor Data Standard Motor Evaporator-Fan Motor Data High-Static Motors Accessory/FIOP EconoMi$er IV Static Pressure* in. wgAccessory/FIOP Electric Heaters Static Pressure in. wg General FAN Performance NotesAirflow 901 703 1125 762 1365 832 690 1051 750 1285866 697 1088 756 1324 974 716 1204 774 1449866 489 386506 629 625 688 745 502 4241748 15671656 1844865 707 748 684 891 738 1034 789 1177805 695 953 749 1100 799 1249 760 1170 809 13231665 865 707 1018 760 1170 809 1323929 718 1086 771 1244 820 1401 1873683 1197 739 654 1040 713668 1116 726 697 1281 7531252 465 402596 629 802 694 1021 471 421944 695 1194 756 1453 823 674 1059 737 1306882 684 1125 746 1378 1009 705 1266 766 1533868 462 348467 614 594 681 728 474 3812293 996 2501 1038 2713 27162821 2930723 1577 710 14821677 808 1876 855 2081 1775 820 19781677 808 1876 1492 784 16831582 796 1777 1877628 997 685 614 929 673781 1445 791 1525PRE-START-UP Internal WiringVI. Refrigerant Service Ports START-UP Unit PreparationIX. Cooling Heating if Accessory Heater is InstalledXI. Safety Relief XII. Ventilation Continuous FANPerfect Humidity System Normal Design Cooling Operation Evaporator Coil Units With Power ExhaustService Cleaning Condenser CoilsECONOMI$ER IV Adjustment III. CONDENSER-FAN Adjustment FIGIV. BELT/PULLEY Adjustment II. LubricationCooling Charging Charts, Standard 551B090 Unit Cooling Charging Charts, Standard 551B120 Unit VII. Replacement Parts Troubleshooting Unit Troubleshooting Cooling TroubleshootingProblem Cause Remedy Will Not Energize Subcooling Mode Liquid ReheatReheat Mode Will Not Energize Low System CapacityII. ECONOMI$ER IV Troubleshooting Inputs Outputs EconoMi$er IV Troubleshooting CompletionEconoMi$er IV Input/Output Logic Demand Control EnthalpyOperating sequence Cooling EconoMi$er Heating IndexPage Preliminary Information START-UP ChecklistTemperatures III. START-UP Electrical
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.