PERFORMANCE DATA (cont)

FAN PERFORMANCE — HORIZONTAL DISCHARGE UNITS (cont)

548F102 (81/2 TONS) — 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

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

3800

 

661

1.41

1258

733

 

1.82

1613

795

2.15

1901

852

2.48

2188

901

 

2.80

2462

3900

 

674

1.49

1327

746

 

1.93

1709

806

2.26

1997

863

2.61

2300

912

 

2.93

2571

4000

 

687

1.57

1396

759

 

2.05

1814

817

2.38

2102

874

2.75

2420

923

 

3.08

2694

4100

 

699

1.60

1473

772

 

2.17

1919

828

2.50

2206

885

2.88

2529

935

 

3.23

2815

4200

 

712

1.75

1552

785

 

2.30

2032

840

2.64

2326

897

3.03

2653

947

 

3.39

2940

4250

 

719

1.80

1595

792

 

2.37

2093

846

2.71

2386

903

3.10

2710

—

 

—

—

 

 

 

 

 

 

 

 

 

 

 

 

548F102 (81/2 TONS) — STANDARD MOTOR (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

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

—

 

—

—

—

—

—

—

—

—

—

 

—

—

3800

 

949

3.20

2781

—

 

—

—

—

—

—

—

—

—

—

 

—

—

3900

 

959

3.33

2894

—

 

—

—

—

—

—

—

—

—

—

 

—

—

4000

 

—

—

—

—

 

—

—

—

—

—

—

—

—

—

 

—

—

4100

 

—

—

—

—

 

—

—

—

—

—

—

—

—

—

 

—

—

4200

 

—

—

—

—

 

—

—

—

—

—

—

—

—

—

 

—

—

4250

 

—

—

—

—

 

—

—

—

—

—

—

—

—

—

 

—

—

 

 

LEGEND

 

 

 

 

 

 

NOTES:

 

 

 

 

 

 

 

Bhp — Brake Horsepower Input to Fan

 

 

 

1. Boldface indicates field-supplied drive is required.

 

 

Watts — Input Watts to Motor

 

 

 

 

 

2.

 

 

indicates field-supplied motor and drive are required.

 

 

 

 

 

 

 

*Motor drive

range:

685 to

935 rpm. All other

rpms

require

field-

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

is 2.40.

 

 

 

 

 

 

 

supplied drive.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Refer to page 51 for general Fan Performance notes.

548F036-120

49

Page 48 Page 50
Page 49
Image 49
Bryant 542J, 549B manual 548F102 81/2 Tons Standard Motor Belt Drive
Page 48 Page 50

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.
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