548F036-120

PERFORMANCE DATA (cont)

FAN PERFORMANCE — VERTICAL DISCHARGE UNITS (cont)

548F090 (71/2 TONS) — 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

2250

 

514

 

0.55

562

 

593

 

0.76

 

723

662

0.99

 

907

724

1.22

1097

781

1.48

1318

2300

 

521

 

0.57

577

 

600

 

0.79

 

747

668

1.02

 

932

730

1.26

1131

786

1.50

1335

2400

 

536

 

0.63

623

 

613

 

0.85

 

795

680

1.09

 

989

741

1.34

1199

796

1.59

1413

2500

 

551

 

0.69

669

 

626

 

0.93

 

859

693

1.17

 

1056

753

1.43

1275

808

1.69

1499

2550

 

559

 

0.72

692

 

634

 

0.97

 

891

700

1.21

 

1089

759

1.48

1318

814

1.74

1543

2600

 

567

 

0.75

716

 

641

 

1.00

 

916

706

1.25

 

1123

764

1.52

1353

819

1.79

1587

2700

 

582

 

0.83

779

 

655

 

1.08

 

981

719

1.34

 

1199

776

1.61

1430

831

1.89

1674

2800

 

598

 

0.90

835

 

670

 

1.17

 

1056

732

1.43

 

1275

789

1.71

1617

842

2.00

1770

2900

 

614

 

0.98

899

 

684

 

1.25

 

1123

745

1.53

 

1361

802

1.81

1604

854

2.11

1866

3000

 

630

 

1.07

973

 

699

 

1.35

 

1207

759

1.63

 

1147

815

1.92

1700

866

2.23

1971

3100

 

646

 

1.16

1047

 

714

 

1.45

 

1292

773

1.74

 

1543

828

2.04

1805

878

2.35

2076

3200

 

662

 

1.28

1131

 

729

 

1.55

 

1378

787

1.86

 

1648

841

2.16

1910

891

2.48

2188

3300

 

679

 

1.36

1216

 

744

 

1.66

 

1473

801

1.98

 

1753

854

2.29

2023

904

2.61

2300

3400

 

695

 

1.47

1310

 

759

 

1.78

 

1578

816

2.10

 

1868

867

2.42

2136

917

2.75

2420

3500

 

712

 

1.59

1413

 

774

 

1.90

 

1683

830

2.23

 

1971

881

2.56

2257

930

2.90

2546

3600

 

729

 

1.71

1617

 

790

 

2.03

 

1796

845

2.37

 

2093

895

2.71

2386

943

3.05

2670

3700

 

745

 

1.84

1630

 

805

 

2.17

 

1919

860

2.52

 

2223

909

2.87

2521

956

3.22

2807

3750

 

754

 

1.91

1691

 

813

 

2.24

 

1980

868

2.59

 

2283

917

2.95

2587

963

3.30

2870

 

 

 

 

 

 

 

 

 

 

 

 

548F090 (71/2 TONS) — HIGH-STATIC 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

2250

 

841

 

1.81

1604

 

902

 

2.25

 

1989

939

2.60

 

2292

979

2.94

2589

1015

3.29

2892

2300

 

843

 

1.83

1621

 

905

 

2.28

 

2015

943

2.52

 

2309

983

2.96

2609

1020

3.31

2914

2400

 

848

 

1.88

1665

 

910

 

2.31

 

2041

952

2.74

 

2411

992

3.10

2729

1029

3.46

3048

2500

 

859

 

1.96

1735

 

912

 

2.31

 

2050

963

2.81

 

2470

1004

3.18

2798

1041

3.55

3126

2550

 

864

 

2.01

1779

 

915

 

2.34

 

2067

968

2.81

 

2479

1009

3.18

2798

1047

3.55

3126

2600

 

869

 

2.06

1823

 

918

 

2.37

 

2093

973

2.81

 

2487

1014

3.18

2798

1052

3.55

3126

2700

 

880

 

2.17

1919

 

927

 

2.47

 

2180

976

2.84

 

2495

1017

3.21

2828

1055

3.59

3159

2800

 

892

 

2.29

2023

 

938

 

2.58

 

2275

983

2.92

 

2562

1024

3.30

2908

1063

3.69

3248

2900

 

903

 

2.42

2136

 

949

 

2.71

 

2386

993

3.03

 

2653

1035

3.43

3017

1074

3.83

3370

3000

 

915

 

2.54

2240

 

961

 

2.85

 

2504

1003

3.17

 

2767

1045

3.59

3157

1084

4.01

3526

3100

 

926

 

2.67

2352

 

972

 

3.00

 

2629

1015

3.32

 

2886

1058

3.76

3306

1097

4.20

3693

3200

 

938

 

2.81

2470

 

983

 

3.14

 

2743

1026

3.47

 

3002

1069

3.93

3456

—

—

—

3300

 

950

 

2.95

2587

 

995

 

3.30

 

2870

1043

3.80

 

3341

—

—

—

—

—

—

3400

 

963

 

3.10

2710

 

1007

 

3.45

 

2987

1055

3.97

 

3493

—

—

—

—

—

—

3500

 

976

 

3.25

2831

 

1030

 

3.82

 

3362

—

—

 

—

—

—

—

—

—

—

3600

 

988

 

3.41

2956

 

1043

 

4.01

 

3528

—

—

 

—

—

—

—

—

—

—

3700

 

1019

 

3.90

3431

 

—

 

—

 

—

—

—

 

—

—

—

—

—

—

—

3750

 

1026

 

4.00

3517

 

—

 

—

 

—

—

—

 

—

—

—

—

—

—

—

 

 

 

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: 860

to 1080 rpm. All other

rpms

require field-

3. Maximum continuous bhp is 3.7 and the maximum continuous

 

watts are 3313.

 

 

 

 

 

supplied drive.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Refer to page 51 for general Fan Performance notes.

38

Page 37 Page 39
Page 38
Image 38
Bryant 549B, 542J manual 548F090 71/2 Tons HIGH-STATIC Motor Belt Drive
Page 37 Page 39

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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