PERFORMANCE DATA (cont)

FAN PERFORMANCE — HORIZONTAL DISCHARGE UNITS (cont)

548F090 (71/2 TONS) — STANDARD MOTOR AND DRIVE AND ALTERNATE DRIVE (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

 

473

554

0.64

630

630

0.86

803

695

1.09

989

757

 

1.34

 

1199

2300

471

0.45

 

487

559

0.66

646

635

0.89

827

699

1.12

1014

760

 

1.37

 

1224

2400

482

0.50

 

524

569

0.71

684

645

0.95

875

708

1.18

1064

768

 

1.44

 

1284

2500

494

0.54

 

554

581

0.76

723

654

1.01

924

717

1.25

1123

776

 

1.51

 

1344

2550

501

0.57

 

577

587

0.79

747

659

1.05

956

722

1.29

1156

780

 

1.55

 

1378

2660

507

0.59

 

592

592

0.82

771

663

1.08

981

727

1.32

1182

784

 

1.58

 

1404

2700

520

0.65

 

638

604

0.89

827

672

1.14

1031

737

1.40

1250

793

 

1.66

 

1473

2800

533

0.71

 

684

615

0.95

875

683

1.20

1081

747

1.49

1327

802

 

1.75

 

1552

2900

546

0.77

 

731

626

1.02

932

693

1.27

1140

756

1.57

1396

813

 

1.84

 

1630

3000

559

0.83

 

779

637

1.09

989

704

1.35

1207

765

1.66

1473

823

 

1.94

 

1718

3100

572

0.90

 

835

648

1.17

1056

715

1.43

1275

775

1.74

1543

832

 

2.05

 

1814

3200

585

0.96

 

883

660

1.24

1114

727

1.52

1353

785

1.83

1321

841

 

2.15

 

1901

3300

598

1.03

 

940

671

1.32

1182

739

1.62

1439

795

1.91

1691

851

 

2.26

 

1997

3400

610

1.10

 

998

682

1.41

1258

750

1.72

1526

806

2.01

1779

860

 

2.36

 

2084

3500

623

1.17

 

1056

694

1.50

1335

761

1.82

1613

817

2.11

1866

870

 

2.47

 

2180

3600

636

1.25

 

1123

707

1.60

1422

772

1.93

1709

828

2.23

1971

880

 

2.57

 

2266

3700

649

1.33

 

1190

720

1.71

1517

783

2.03

1796

840

2.35

2076

890

 

2.69

 

2369

3750

655

1.37

 

1224

727

1.77

1569

789

2.09

1849

846

2.42

2136

896

 

2.75

 

2420

 

 

 

 

 

 

 

 

 

548F090 (71/2 TONS) — STANDARD MOTOR AND DRIVE AND ALTERNATE DRIVE (BELT DRIVE)* (cont)

 

 

 

 

 

 

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

810

1.62

 

1439

850

1.91

1691

873

2.20

1945

883

2.50

2206

895

 

2.78

 

2445

2300

816

1.65

 

1465

859

1.94

1718

888

2.24

1980

903

2.55

2249

911

 

2.85

 

2504

2400

824

1.72

 

1526

872

2.01

1779

909

2.32

2050

931

2.64

2326

935

 

2.96

 

2595

2500

832

1.79

 

1587

882

2.09

1849

925

2.40

2119

955

2.72

2394

972

 

3.06

 

2678

2550

836

1.83

 

1621

887

2.13

1884

931

2.45

2162

964

2.77

2436

986

 

3.11

 

2718

2660

839

1.87

 

1656

891

2.17

1919

936

2.49

2197

973

2.82

2479

999

 

3.16

 

2759

2700

846

1.95

 

1726

898

2.26

1997

946

2.58

2275

987

2.91

2554

1019

 

3.26

 

2839

2800

855

2.04

 

1805

906

2.35

2076

954

2.67

2352

997

3.01

2637

1034

 

3.36

 

2917

2900

863

2.13

 

1884

913

2.44

2154

961

2.77

2436

1006

3.12

2727

 

 

3000

872

2.22

 

1962

921

2.54

2240

969

2.88

2529

1014

3.22

2807

 

 

3100

882

2.33

 

2058

930

2.65

2335

976

2.99

2620

1021

3.34

2902

 

 

3200

892

2.45

 

2162

939

2.76

2428

984

3.10

2710

 

 

3300

902

2.57

 

2266

948

2.88

2529

993

3.21

2799

 

 

3400

912

2.69

 

2369

958

3.01

2637

1002

3.34

2902

 

 

3500

921

2.82

 

2479

968

3.15

2751

 

 

3600

930

2.95

 

2587

978

3.29

2862

 

 

3700

940

3.07

 

2686

 

 

3750

945

3.14

 

2743

 

 

 

LEGEND

 

 

 

 

 

NOTES:

 

 

 

 

 

 

 

 

Bhp — Brake Horsepower Input to Fan

 

 

 

1. Boldface indicates field-supplied drive is required.

 

 

 

 

 

 

2.

 

 

indicates high-static motor and drive are required.

 

Watts — Input Watts to Motor

 

 

 

 

 

 

 

 

*Motor drive range: 590 to 840 rpm. Alternate motor drive range: 685 to

3. Maximum usable watts input is 2120 and maximum continuous bhp

is 2.40.

935 rpm. All other rpms require field-supplied drive.

 

Refer to page 51 for general Fan Performance notes.

 

548F036-120

47

Page 47
Image 47
Bryant 549B Rpm Bhp Watts 2250 465 473 554 630, 2300 471 487 559 646, 2400 482 524 569 684, 2500 494 554 581 723, 2660

549B, 548F, 542J specifications

Bryant 542J is a high-efficiency gas furnace that stands out for its reliability and advanced heating technologies. Designed to deliver consistent warmth and comfort in residential settings, it combines innovative engineering with energy-efficient features.

One of the key characteristics of the Bryant 542J is its two-stage heating capability. This means that the furnace can adjust its heat output according to the heating demands of your home. During milder weather, it operates at a lower stage, consuming less energy while still maintaining a comfortable environment. When the temperatures drop, the furnace shifts to its higher capacity, providing the necessary warmth efficiently. This not only enhances comfort but also contributes to lower energy bills.

In addition to its two-stage operation, the Bryant 542J also incorporates a variable-speed blower motor. This technology allows the furnace to adjust the airflow depending on the heating requirements, ensuring an even distribution of warm air throughout the home. The variable-speed blower also operates more quietly than conventional fixed-speed motors, creating a serene indoor environment.

Energy efficiency is a hallmark of the Bryant 542J, boasting an Annual Fuel Utilization Efficiency (AFUE) rating of up to 96.5%. This impressive rating means that a significant portion of the energy consumed is effectively converted into usable heat, resulting in substantial savings on heating costs over time. Furthermore, the furnace is equipped with a sealed combustion system that draws air from outside the home, minimizing energy waste and improving indoor air quality.

Diagnostic features are another highlight of the Bryant 542J, which come equipped with SmartEvap technology. This allows the unit to self-diagnose potential issues, providing homeowners with peace of mind and simplifying maintenance procedures.

Durability is also a key feature of the Bryant 542J. It is constructed with high-quality materials designed to withstand harsh winter conditions, ensuring a long lifespan and reliable performance. Its compact design also allows for flexible installation, making it suitable for various residential layouts.

In summary, the Bryant 542J is more than just a gas furnace; it is a sophisticated heating solution that combines efficiency, comfort, and reliability. With features such as two-stage heating, a variable-speed blower, high AFUE ratings, and advanced diagnostics, it is an excellent choice for homeowners seeking an efficient and effective heating system.