Bryant 551C, 551B 2100 1024 823 1115 997 1195 1173 1268 1350, 2200 1063 929 1152 1111 1230 1294

Page 41

Table 23—Fan Performance 551B 072 — Vertical Discharge Units; High-Static 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

1800

907

0.63

558

1006

0.80

708

1092

0.97

860

 

1169

1.14

1015

1239

1.32

1174

1900

945

0.72

638

1042

0.90

796

1126

1.08

956

 

1201

1.26

1119

1271

1.45

1285

2000

984

0.82

727

1078

1.00

892

1160

1.19

1060

 

1235

1.39

1230

1303

1.58

1403

2100

1024

0.93

823

1115

1.12

997

1195

1.32

1173

 

1268

1.52

1350

1335

1.72

1531

2200

1063

1.05

929

1152

1.25

1111

1230

1.46

1294

 

1302

1.67

1480

1368

1.88

1668

2300

1103

1.18

1044

1189

1.39

1234

1266

1.60

1425

 

1337

1.82

1618

1402

2.04

1814

2400

1143

1.32

1168

1227

1.54

1367

1302

1.76

1566

 

1371

1.99

1767

1435

2.22

1970

2500

1183

1.47

1303

1265

1.70

1510

1339

1.93

1717

 

1406

2.17

1926

1470

2.41

2136

2600

1224

1.63

1448

1303

1.87

1663

1375

2.12

1878

 

1442

2.36

2095

1504

2.60

2313

2700

1264

1.81

1604

1342

2.06

1828

1412

2.31

2051

 

1478

2.56

2275

1539

2.82

2501

2800

1305

1.99

1772

1381

2.26

2003

1450

2.52

2235

 

1514

2.78

2467

2900

1346

2.20

1951

1420

2.47

2191

1488

2.74

2431

 

3000

1387

2.41

2142

1459

2.69

2391

 

 

 

 

 

 

 

 

 

 

 

 

 

AIRFLOW

 

 

 

 

 

EXTERNAL STATIC PRESSURE (in. wg)

 

 

 

 

 

CFM

 

1.2

 

 

1.4

 

 

1.6

 

 

 

1.8

 

 

2.0

 

 

Rpm

Bhp

Watts

Rpm

Bhp

Watts

Rpm

Bhp

Watts

 

Rpm

Bhp

Watts

Rpm

Bhp

Watts

1800

1304

1.51

1337

1365

1.69

1503

1422

1.88

1674

 

1477

2.08

1848

1528

2.28

2025

1900

1335

1.64

1454

1395

1.83

1627

1452

2.03

1804

 

1506

2.23

1984

1557

2.44

2168

2000

1366

1.78

1580

1426

1.98

1760

1482

2.19

1943

 

1535

2.40

2130

1586

2.61

2319

2100

1398

1.93

1715

1457

2.14

1901

1512

2.35

2091

 

1565

2.57

2284

1616

2.79

2481

2200

1430

2.09

1858

1488

2.31

2052

1543

2.53

2249

 

1596

2.76

2449

2300

1462

2.27

2012

1520

2.49

2212

1574

2.72

2416

 

2400

1495

2.45

2175

1552

2.68

2383

 

2500

1529

2.64

2349

1585

2.89

2564

 

2600

1562

2.85

2533

 

2700

 

2800

 

2900

 

3000

 

NOTES:

 

 

 

 

 

 

 

 

LEGEND

 

 

 

 

 

 

1. Bold cells indicate field-supplied drive is required.

 

 

Bhp — Brake Horsepower

 

 

 

 

2. Maximum continuous bhp is 2.90.

 

 

 

 

Watts — Input Watts to Motor

 

 

 

 

3. See general fan performance notes.

 

 

 

 

*Motor drive range: 1300 to 1685 rpm. All other rpms require field-supplied

 

 

 

 

 

 

 

 

drive.

 

 

 

 

 

 

Table 24—Fan Performance 551C 024 — Horizontal Discharge Units; Standard Motor (Belt Drive)**

551B,C

AIRFLOW

 

 

 

 

 

EXTERNAL STATIC PRESSURE (in. wg)

 

 

 

 

0.1

 

0.2

 

0.4

 

0.6

 

0.8

 

 

1.0

(Cfm)

 

 

 

 

 

 

Rpm

 

Bhp

Rpm

 

Bhp

Rpm

 

Bhp

Rpm

 

Bhp

Rpm

 

Bhp

Rpm

 

Bhp

 

 

 

 

 

 

 

600

490

 

0.08

521

 

0.08

597

 

0.14

703

 

0.21

788

 

0.29

868

 

0.37

700

519

 

0.09

557

 

0.09

623

 

0.16

729

 

0.24

816

 

0.32

892

 

0.41

800

537

 

0.1

582

 

0.12

650

 

0.19

751

 

0.27

845

 

0.37

927

 

0.47

900

560

 

0.13

610

 

0.14

681

 

0.22

783

 

0.32

870

 

0.42

947

 

0.53

1000

589

 

0.15

640

 

0.16

707

 

0.26

808

 

0.36

894

 

0.47

971

 

0.58

41

Image 41
Contents Installation Instructions Provide Unit Support Install External Trap for Condensate DrainField Fabricate Ductwork Rig and Place UnitRoof Curb Details Unit Leveling Tolerances 551B Unit Operating Dimensions Weight551C 551B 036-072 Base Unit Dimensions 551C 024-060 Base Unit Dimensions Field Control Wiring Field Power SupplyHeat Anticipator Settings Make Electrical ConnectionsBase Unit 551B Physical Data 551BBase Unit 551C Physical Data 551CPower Wiring Connections FLA MCA LRA Type Outlet Electrical Data-551CPerf ect Voltage FLA Crheater 008,009 23.4 30.1 40.8 FLA MCA LRA Electrical Data-551B414 508 Ton 004+005 19.9 24.3 55.2 76.3 86.9 168 34.9 173 002 13.6 A00 or Adjust Factory-Installed Options Typical Perfect Humidity t Adaptive Dehumidification System EconoMi$er IV Component Locations Optional EconoMi$er Outdoor-Air Damper Position SettingOutdoor-Air Damper With Hood Attached Supply Air Sensor Temperature Resistance Values Supply Air Temperature SAT SensorTemperature F Outdoor Air Lockout SensorDifferential Dry Bulb Control EconoMi$er IV Control Modes Outdoor Dry Bulb ChangeoverEconoMi$er IV Sensor Usage Differential Enthalphy Control Outdoor Enthalpy ChangeoverIndoor Air Quality IAQ Sensor Input Exhaust Set Point AdjustmentMinimum Position Control Damper MovementReturn Air Temperature or Enthalpy Sensor Mounting Location Outside Air Temperature Changeover Set PointsEconoMi$er IV Control CO2 Sensor ConfigurationCO2Sensor Standard Settings Adjust Evaporator-Fan SpeedDehumidification of Fresh Air with DCV Control Belt Drive MotorsUnit Motor Pulley Turns Open Evaporator-Fan Motor Data High-Static Motors Evaporator-Fan Motor Data Standard MotorMotor 551B Efficiency Evaporator-Fan Motor Efficiency024, 036 060 74/84 072 Airflow879 Rpm Bhp Watts 900 566 142 690 228957 522 1000 598 173 718 267 9031300 701 809 418 902 540 983 665 Rpm Bhp Watts 1200 666 252 778 361 873 476 956 5941400 737 355 842 481 932 610 875 551 962 6891600 828 412 931 536 1022 670 Rpm Bhp Watts 1500 790 353 897 471 991 6001700 866 478 966 608 1800 905 551 1001 6871472 1761 1600 1462 20671495 1858 1700 1463 1766 1520 1964 18002300 1104 1046 1185 1212 1260 1386 2200 1063 929 1147 1089 1224 1256 1295 14312400 1145 1174 1223 1346 1296 1526 2500 1185 1311 1262 14901900 945 638 1042 796 Rpm Bhp Watts 1800 907 558 1006 708 1092 8602000 984 727 1078 892 2100 1024 823 1115 9972200 1063 929 1152 1111 1230 1294 2100 1024 823 1115 997 1195 1173 1268 13502300 1103 1044 1189 1234 1266 1425 2400 1143 1168 1227 13671000 583 163 707 Rpm Bhp Watts 900 554 134 6811100 612 195 735 9191300 674 276 Rpm Bhp Watts 1200 643 233 762 3441400 706 324 1500 738 3791600 757 343 866 455 962 580 Rpm Bhp Watts 1500 724 295 837 402 937 524 1028 660719 1700 790 398 894 514 988 6431490 1873 1800 1474 1797 17001508 1957 1900 1467 1839 1527 2050 20002500 1069 1084 1149 1239 1223 1403 1293 1576 2400 1033 970 1115 1120 1192 1279 1264 1448Rpm Bhp Watts 1500 1188 970 1261 1143 1600 1208 1033 12792500 1061 1053 1148 1233 1226 1416 1297 1604 2400 1026 945 1115 1118 1195 1295 1268 14762600 1097 1169 1181 1356 1257 1546 2700 1132 1294 1214 1487 1289 1684Refrigerant Service Ports Internal WiringUnit Preparation Return-Air FiltersCooling Safety ReliefHeating Ventilation Continuous FanEvaporator Coil CleaningLubrication EconoMi$er IV Adjustment Condenser-Fan AdjustmentRefrigerant Charge No ChargeCooling Charging Chart Standard 551B Replacement Parts 551C 3 TON Charging Chart 551C 5 TON Charging Chart Economi$er IV Troubleshooting Unit TroubleshootingProblem Cause Remedy EconoMi$er IV Troubleshooting CompletionCooling Service Analysis Inputs Outputs EconoMi$er IV Input/Output LogicEconoMi$er IV Functional View Catalog No. II551B---C---36---1 Preliminary Information
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Manual 170 pages 34.1 Kb Manual 52 pages 34.7 Kb

551C, 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.