PERFORMANCE DATA (cont)

FAN PERFORMANCE — HORIZONTAL DISCHARGE UNITS (cont)

 

 

 

549B090 (71/2 TONS) — STANDARD MOTOR (BELT DRIVE)

 

 

 

 

 

 

 

 

 

 

 

 

 

Airflow

 

 

 

 

 

External Static Pressure (in. wg)

 

 

 

 

 

 

 

 

 

 

0.2

 

0.4

 

0.6

 

 

0.8

 

1.0

 

 

 

(Cfm)

 

 

 

 

 

 

 

 

 

 

Rpm

 

Bhp

Rpm

 

Bhp

Rpm

 

Bhp

 

Rpm

 

Bhp

Rpm

 

Bhp

 

 

 

2250

465

 

0.43

554

 

0.64

630

 

0.86

 

695

 

1.09

757

 

1.34

 

 

 

2300

471

 

0.45

559

 

0.66

635

 

0.89

 

699

 

1.12

760

 

1.37

 

 

 

2400

482

 

0.50

569

 

0.71

645

 

0.95

 

708

 

1.18

768

 

1.44

 

 

 

2500

494

 

0.54

581

 

0.76

654

 

1.01

 

717

 

1.25

776

 

1.51

 

 

 

2550

501

 

0.57

587

 

0.79

659

 

1.05

 

722

 

1.29

780

 

1.55

 

 

 

2600

507

 

0.59

592

 

0.82

663

 

1.08

 

727

 

1.32

784

 

1.58

 

 

 

2700

520

 

0.65

604

 

0.89

672

 

1.14

 

737

 

1.40

793

 

1.66

 

 

 

2800

533

 

0.71

615

 

0.95

683

 

1.20

 

747

 

1.49

802

 

1.75

 

 

 

2900

546

 

0.77

626

 

1.02

693

 

1.27

 

756

 

1.57

813

 

1.84

 

 

 

3000

559

 

0.83

637

 

1.09

704

 

1.35

 

765

 

1.66

823

 

1.94

 

 

 

3100

572

 

0.90

648

 

1.17

715

 

1.43

 

775

 

1.74

832

 

2.05

 

 

 

3200

585

 

0.96

660

 

1.24

727

 

1.52

 

785

 

1.83

841

 

2.15

 

 

 

3300

598

 

1.03

671

 

1.32

739

 

1.62

 

795

 

1.91

851

 

2.26

 

 

 

3400

610

 

1.10

682

 

1.41

750

 

1.72

 

806

 

2.01

860

 

2.36

 

 

 

3500

623

 

1.17

694

 

1.50

761

 

1.82

 

817

 

2.11

870

 

2.47

 

120-549B036

 

3600

636

 

1.25

707

 

1.60

772

 

1.93

 

828

 

2.23

880

 

2.57

 

 

3700

649

 

1.33

720

 

1.71

783

 

2.03

 

840

 

2.35

890

 

2.69

 

 

 

3750

655

 

1.37

727

 

1.77

789

 

2.09

 

846

 

2.42

896

 

2.75

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

549B090 (71/2 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

Rpm

 

Bhp

Rpm

 

Bhp

 

Rpm

 

Bhp

Rpm

 

Bhp

 

 

 

2250

810

 

1.62

850

 

1.91

873

 

2.20

 

890

 

2.50

903

 

2.78

 

 

 

2300

816

 

1.65

859

 

1.94

888

 

2.24

 

897

 

2.55

922

 

2.85

 

 

 

2400

824

 

1.72

872

 

2.01

909

 

2.32

 

931

 

2.64

935

 

2.96

 

 

 

2500

832

 

1.79

882

 

2.09

925

 

2.40

 

955

 

2.72

972

 

3.06

 

 

 

2550

836

 

1.83

887

 

2.13

931

 

2.45

 

964

 

2.77

986

 

3.11

 

 

 

2600

839

 

1.87

891

 

2.17

936

 

2.49

 

973

 

2.82

999

 

3.16

 

 

 

2700

846

 

1.95

898

 

2.26

946

 

2.58

 

 

 

 

1019

 

3.26

 

 

 

 

987

 

2.91

 

 

 

 

2800

855

 

2.04

906

 

2.35

954

 

2.67

 

997

 

3.01

1034

 

3.36

 

 

 

2900

863

 

2.13

913

 

2.44

961

 

2.77

 

1006

 

3.12

—

 

—

 

 

 

3000

872

 

2.22

921

 

2.54

969

 

2.88

 

1014

 

3.22

—

 

—

 

 

 

3100

882

 

2.33

930

 

2.65

 

 

 

 

1021

 

3.34

—

 

—

 

 

 

976

 

2.99

 

 

 

 

 

 

3200

892

 

2.45

939

 

2.76

984

 

3.10

 

—

 

—

—

 

—

 

 

 

3300

902

 

2.57

948

 

2.88

993

 

3.21

 

—

 

—

—

 

—

 

 

 

3400

912

 

2.69

 

 

 

1002

 

3.34

 

—

 

—

—

 

—

 

 

 

958

 

3.01

 

 

 

 

 

 

 

3500

921

 

2.82

968

 

3.15

—

 

—

 

—

 

—

—

 

—

 

 

 

3600

 

 

 

978

 

3.29

—

 

—

 

—

 

—

—

 

—

 

 

 

930

 

2.95

 

 

 

 

 

 

 

3700

940

 

3.07

—

 

—

—

 

—

 

—

 

—

—

 

—

 

 

 

3750

945

 

3.14

—

 

—

—

 

—

 

—

 

—

—

 

—

LEGEND

Bhp — Brake Horsepower Input to Fan

Refer to page 87 for general Fan Performance notes.

NOTES:

1. Boldface indicates a field-supplied drive is required. (See Note 4.)

2. indicates field-supplied motor and drive are required.

3.Maximum continuous bhp is 2.90.

4.Standard motor drive range: 725 to 925 rpm. All other rpms require field-supplied drive.

86

Page 85 Page 87
Page 86
Image 86
Bryant 549B, 542J, 548F Rpm Bhp 2250, 630 695, 635 699, 645 708, 654 717, 659 722, 693, 715, 3400 610 682, 931 964, 936 973
Page 85 Page 87

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.
Top Page Image Contents