Bryant 542J, 549B manual 548F102 8 TONS* Standard Motor Belt Drive

Page 39

PERFORMANCE DATA (cont)

FAN PERFORMANCE — VERTICAL DISCHARGE UNITS (cont)

548F102 (8 TONS)* — STANDARD MOTOR (BELT DRIVE)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Airflow

 

 

 

 

 

 

 

 

External Static Pressure (in. wg)

 

 

 

 

 

 

 

0.2

 

 

 

0.4

 

 

 

 

0.6

 

 

 

 

0.8

 

 

1.0

 

 

1.2

 

(Cfm)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Rpm

Bhp

Watts

Rpm

 

Bhp

 

Watts

Rpm

 

Bhp

Watts

 

Rpm

Bhp

Watts

Rpm

Bhp

Watts

Rpm

Bhp

Watts

2550

557

0.71

684

633

 

0.94

 

867

697

 

1.18

1064

 

756

1.42

1267

811

1.69

1499

861

1.96

1735

2600

565

0.74

708

639

 

0.97

 

891

703

 

1.22

1097

 

761

1.46

1301

816

1.74

1543

866

2.01

1779

2700

581

0.81

763

652

 

1.04

 

948

717

 

1.31

1173

 

773

1.55

1378

827

1.83

1621

878

2.12

1875

2800

597

0.89

827

665

 

1.12

 

1014

733

 

1.40

1250

 

786

1.66

1473

839

1.93

1709

889

2.23

1971

2900

613

0.97

891

679

 

1.20

 

1081

745

 

1.50

1335

 

799

1.76

1560

850

2.04

1805

900

2.34

2067

3000

629

1.06

965

694

 

1.29

 

1156

759

 

1.59

1413

 

812

1.88

1665

862

2.15

1901

911

2.46

2171

3100

646

1.15

1039

709

 

1.39

 

1241

772

 

1.70

1508

 

825

1.99

1761

875

2.28

2015

923

2.58

2275

3200

662

1.25

1123

724

 

1.50

 

1335

785

 

1.80

1595

 

840

2.11

1866

887

2.41

2128

934

2.71

2386

3300

679

1.35

1207

740

 

1.61

 

1430

798

 

1.91

1691

 

854

2.24

1980

900

2.54

2240

946

2.85

2504

3400

696

1.46

1301

756

 

1.73

 

1534

811

 

2.02

1788

 

868

2.37

2093

914

2.69

2369

959

3.00

2629

3500

712

1.57

1396

771

 

1.85

 

1639

824

 

2.14

1892

 

881

2.50

2206

928

2.84

2495

971

3.16

2759

3600

729

1.69

1499

787

 

1.98

 

1753

839

 

2.27

2006

 

894

2.64

2326

942

2.99

2620

984

3.32

2886

3700

746

1.82

1613

803

 

2.12

 

1875

854

 

2.42

2136

 

907

2.78

2445

956

3.15

2751

997

3.49

3017

3750

755

1.89

1674

811

 

2.20

 

1945

862

 

2.49

2197

 

914

2.85

2504

963

3.23

2815

—

—

—

3800

763

1.95

1726

819

 

2.27

 

2006

869

 

2.56

2257

 

920

2.92

2562

970

3.31

2878

—

—

—

3900

780

2.09

1849

835

 

2.42

 

2136

884

 

2.72

2394

 

933

3.07

2686

983

3.48

3009

—

—

—

4000

796

2.23

1971

851

 

2.56

 

2257

900

 

2.89

2537

 

946

3.23

2815

—

—

—

—

—

—

4100

813

2.39

2110

867

 

2.74

 

2411

915

 

3.06

2678

 

960

3.40

2948

—

—

—

—

—

—

4200

830

2.55

2249

883

 

2.91

 

2554

931

 

3.24

2823

 

—

—

—

—

—

—

—

—

—

4250

839

2.63

2317

892

 

3.00

 

2629

939

 

3.34

2902

 

—

—

—

—

—

—

—

—

—

 

 

 

 

 

 

 

 

 

 

 

 

 

 

548F102 (8 TONS)* — STANDARD MOTOR (BELT DRIVE) (cont)

 

 

 

 

 

 

 

 

 

 

 

 

 

Airflow

 

 

 

External Static Pressure (in. wg)

 

 

 

 

 

 

 

 

 

 

 

 

1.4

 

 

 

1.6

 

 

 

 

1.8

 

 

 

 

2.0

 

 

 

 

 

 

 

(Cfm)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Rpm

Bhp

Watts

Rpm

 

Bhp

 

Watts

Rpm

 

Bhp

Watts

 

Rpm

Bhp

Watts

 

 

 

 

 

 

2550

908

2.24

1980

953

 

2.53

 

2232

1003

 

2.87

2521

 

1045

3.28

2854

 

 

 

 

 

 

2600

913

2.29

2023

957

 

2.58

 

2275

1004

 

2.91

2554

 

1050

3.31

2878

 

 

 

 

 

 

2700

924

2.40

2120

967

 

2.70

 

2377

1010

 

3.01

2637

 

1056

3.37

2925

 

 

 

 

 

 

2800

935

2.52

2223

978

 

2.62

 

2479

1019

 

3.13

2735

 

1061

3.41

3002

 

 

 

 

 

 

2900

946

2.65

2335

989

 

2.96

 

2595

1030

 

3.27

2847

 

—

—

—

 

 

 

 

 

 

3000

957

2.78

2445

1000

 

3.09

 

2702

1040

 

3.41

2956

 

—

—

—

 

 

 

 

 

 

3100

968

2.91

2554

1011

 

3.24

 

2832

—

 

—

—

 

—

—

—

 

 

 

 

 

 

3200

980

3.04

2661

1022

 

3.38

 

2933

—

 

—

—

 

—

—

—

 

 

 

 

 

 

3300

991

3.18

2775

—

 

—

 

—

—

 

—

—

 

—

—

—

 

 

 

 

 

 

3400

1003

3.52

2886

—

 

—

 

—

—

 

—

—

 

—

—

—

 

 

 

 

 

 

3500

1014

3.48

3009

—

 

—

 

—

—

 

—

—

 

—

—

—

 

 

 

 

 

 

3600

—

—

—

—

 

—

 

—

—

 

—

—

 

—

—

—

 

 

 

 

 

 

3700

—

—

—

—

 

—

 

—

—

 

—

—

 

—

—

—

 

 

 

 

 

 

3750

—

—

—

—

 

—

 

—

—

 

—

—

 

—

—

—

 

 

 

 

 

 

3800

—

—

—

—

 

—

 

—

—

 

—

—

 

—

—

—

 

 

 

 

 

 

3900

—

—

—

—

 

—

 

—

—

 

—

—

 

—

—

—

 

 

 

 

 

 

4000

—

—

—

—

 

—

 

—

—

 

—

—

 

—

—

—

 

 

 

 

 

 

4100

—

—

—

—

 

—

 

—

—

 

—

—

 

—

—

—

 

 

 

 

 

 

4200

—

—

—

—

 

—

 

—

—

 

—

—

 

—

—

—

 

 

 

 

 

 

4250

—

—

—

—

 

—

 

—

—

 

—

—

 

—

—

—

 

 

 

 

 

 

 

 

LEGEND

 

 

 

 

 

 

 

 

 

NOTES:

 

 

 

 

 

 

 

 

 

Bhp

— Brake Horsepower Input to Fan

 

 

 

 

 

 

1. Boldface indicates field-supplied drive is required.

 

 

 

 

 

 

 

 

2.

 

 

 

indicates field-supplied motor and drive are required.

Watts

— Input Watts to Motor

 

 

 

 

 

 

 

 

 

 

 

*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

39

Page 38 Page 40
Image 39
Page 38 Page 40
Contents FEATURES/BENEFITS 542J150,180548F036-072 548F090-120 549B036-072 549B090-120 Table of Contents Service Options Integrated ECONOMI$ERS and Outdoor AIRINDOOR-AIR Quality Begins with Bryant Rooftops Option ACCESSORY† Options and AccessoriesEmergency Heat Control Package Options and AccessoriesBarometric RELIEF/POWER Exhaust LOW Ambient ControlsECONOMI$ER Microprocessor Controller DURA-SHIELDOUTDOOR Coil OptionsOutdoor Coil Protection Applications Electric HeatersGlycol Coil 150,180 only Convenience OutletControl BOX Hinged Panel Option Hail GuardBryant Commercial Programmable Thermostat Compressor Hinged Panel OptionOptions and Accessories Cooling, Units With EconoMi$er 548F036-072 and 549B036 ControlsSequence of Operation 542J150,180 ControlsControls Operating Modes Typical Smoke Control/Fire Shutdown Wiring 542J150,180Application Data Application Data Concentric Duct Distribution 542J150,180Concentric Duct Details 542J150,180 Typical Piping and Wiring Horizontal Discharge Ducting 548F036-120 and 549B036-120Vertical Discharge Ducting 548F036-120 and 549B036-120 Typical Piping and Wiring Model Number Nomenclature 548F Units ODS Model NumberARI* Capacity Ratings 548F036-072 Physical Data548F090-120 Physical Data072-548F036 Base Unit Dimensions CRRFCURB002A00 Accessory DimensionsConnector ALT GAS Power Control PKG. Accy Drain Hole Roof Curb Unit Size Accessory CRRFCURB001A00Accessory Dimensions III Select Electric Heat Selection Procedure with 548F048 ExampleDetermine Cooling and Heating Loads AT Design Conditions II Select Unit Based on Required Cooling CapacityEntering AIR DRY-BULB Temp F Performance DataCooling Capacities SHCPerformance Data Cooling CapacitiesEntering AIR DRY-BULB Temp F Bypass Under Air Temperature Entering Outdoor Coil FInstantaneous and Integrated Heating Ratings 4100/0.18 4700/0.21Instantaneous and Integrated Heating Ratings 2600 Cap 1800 Cap2400 Cap 3000 Cap4000 Cap CfmStandard Air 2400 Cap 3600 Cap548F036 3 Tons Alternate Motor Belt Drive FAN Performance Vertical Discharge Units548F036 3 Tons Standard Motor Direct Drive ESP548F048 4 Tons Alternate Motor Belt Drive FAN Performance Vertical Discharge Units548F060 5 Tons Standard Motor Direct Drive ESP548F060 5 Tons Alternate Motor Belt Drive 548F060 5 Tons HIGH-STATIC Motor Belt Drive 548F072 6 Tons HIGH-STATIC Motor Belt Drive 534 607 Rpm Bhp Watts511 539 518 562548F090 71/2 Tons HIGH-STATIC Motor Belt Drive 548F102 8 TONS* Standard Motor Belt Drive 548F102 81/2 Tons HIGH-STATIC Motor Belt Drive 973 2782 548F120 10 TonsRpm Bhp 963 2651FAN Performance Horizontal Discharge Units Airflow Low Speed High Speed Cfm 208 230, 460, 575Cfm Rpm Bhp Watts 548F048 4 Tons Alternate Motor Belt Drive FAN Performance Horizontal Discharge Units765 460 821 521 658 276 722 337 840 470693 327 754 388 867 531 729 388 787 450 895 593548F072 6 Tons Standard Motor Belt Drive 548F060 5 Tons HIGH-STATIC Motor Belt Drive1114 Rpm Bhp Watts 1800 942 700 1047 835 1139 9561031 1276 1900 982 779 1084 932 1160 10062500 494 554 581 723 Rpm Bhp Watts 2250 465 473 554 6302300 471 487 559 646 2400 482 524 569 6842500 542 648 619 835 686 1022 748 1258 806 Rpm Bhp Watts 2250 507 547 586 700 658 891 722 1097 7832300 513 562 592 723 663 916 727 1131 786 2400 528 600 606 779 674 965 738 1199 795548F102 81/2 Tons Standard Motor Belt Drive 3200 652 1089 718 1327 778 1595 831 1849 Rpm Bhp Watts 2550 669 627 867 692 1056 754 1292 8122900 604 867 676 1089 737 1318 794 1560 848 3100 636 1006 704 1241 764 1499 818 1744General Notes for FAN Performance Tables Component CFM ACCESSORY/FIOP Static PRESSURE* in. wg 548F036-072ACCESSORY/FIOP Static PRESSURE* in. wg 548F090-120 FAN RPM AT Motor Pulley SETTINGS* 548F036-120Mocp Size Optional Power ExhaustEconoMi$er Barometric Relief Damper Characteristics Power RequirementsDistribution Electric Heating CapacitiesMultiplication Factors Heater Rating090 INDOOR-FAN Motor Performance 548F UnitsUnit INDOOR-FAN Maximum Acceptable Motor Operating Watts AMP Draw Efficiency %Units Without Electrical Convenience Outlet Electrical DataUnits Without Electrical Convenience Outlet Electrical DataTons Voltage Compressor Electric Heat Power Supply DisconnectNominal IFM Range OFM IFM SIZE†81/2 Tons Units with Electrical Convenience Outlet Units with Electrical Convenience Outlet 40.4 45†† 195/195 13.6/15.6 57.4 59.9 60†† 208/211 Voltage Compressor Electric Power Supply Disconnect Unbalanced 3-Phase Supply Voltage SW4 Typical Wiring SchematicOutdoor-Fan Motor Typical Wiring Schematic549B072-120 Model Number Nomenclature549B E X 090 000 AA 549B036-060Base Unit 549B 549B036-072549B090,120 Base Unit Dimensions 549B036-120 549B090,120 ′-2 ″ 549B036-072′-0 ″ ″ 19 NPT 827 583 44.5 12.7 NPT Enter Cooling Capacities table at outdoor entering temper Selection Procedure with 549B048 ExampleII Select Unit Based on Required Cooling CapacitySHC Entering AIR DRY-BULB Temp F BypassFactor 2250/0.12 3000/0.15 3750/0.18 Entering Air 549B072 6 Tons Temp F1800/0.06 2100/0.066 2400/0.071 3000/0.088 Entering Air 549B090 71/2 Tons Temp F549B036 3 Tons 900 Cap549B048 4 Tons 549B060 5 Tons 549B072 6 Tons2100 Cap Temperature Air Entering Outdoor Coil F db at 70% rh 549B090 71/2 Tons549B120 10 Tons 746 806 867 929 964 1200 Rpm Bhp 900673 736 805 865 911 1000 709 782 835 900 937 1100549B072 6 Tons Standard Motor Belt Drive 549B060 5 Tons Standard Motor Belt Drive549B090 71/2 Tons Standard Motor Belt Drive 549B120 10 Tons Standard Motor Belt Drive 710 780 840 889 938 1300 584 656 734 818 875 1000627 738 800 848 895 1100 670 758 812 863 914 1200Airflow External Static Pressure in. wg Cfm Rpm Bhp 1500 1108 1187 1202 10792100 1252 1320 1388 1448 1372645 708 Rpm Bhp 2250630 695 635 699625 691 744 796 595 657 716 770605 667 725 779 615 679 734 787549B 036 ACCESSORY/FIOP Static PRESSURE* in. wg 549B036-072ACCESSORY/FIOP Static PRESSURE* in. wg 549B090,120 FAN RPM AT Motor Pulley SETTINGS* 549B036-120INDOOR-FAN Motor Data 549B036-120 Electric Heating Capacities Outdoor Sound Power Total UnitFLA MCA Mocp LRA Nominal Voltage Electric Power Minimum Unit Compressor OFMDisconnect Voltage Range Heat Supply RLA LRARLA LRA FLA Nominal Voltage Electric Power Minimum Unit CompressorIFM Disconnect Voltage Range Heat Supply Ph-Hz Min Max30.4 106/106 43.0 247/247 10.4 21.7 25.0 70.1 74.3 269/272 Typical Wiring Schematic RVS MustRating HFG. PT. no Trip Potter & Brunfield AmpsGuide Specifications 548F and 549B036-120 Units Part 1 GeneralPart 2 Products Guide Specifications 548F and 549B036-120 Units Guide Specifications 548F and 549B036-120 Units 100 542J E X 150 000 AB H B Model Number Nomenclature 542J150,180 UnitsCooling HEATING-HIGH Temp HEATING-LOW Temp Sound Unit Weight Distribution and Center of GravityUnit Weight Weight of Corner Dimensions 542J150,180 UnitsSTD ALT Unit 542JSTD ALT542J 150 1895 860 180 2205 1000 Unit Maximum Shipping WeightUnit Dimensions Unit Weight of CornerCRRFCURB012A00 DIMENSIONS* degrees and inchesPKG NO. REF Curb Description Height CRRFCURB010A00 CRRFCURB011A00Height Horizontal Adapter Installation 542J150,180Accessory Curb Description Convenience Outlet 542J150,180Non-Fused Disconnect 542J150,180 Power Exhaust 542J150,180Capacity TC of 180,800 Btuh, a sensible heat capacity Selection Procedure with 542J180 Example542J180 542J150 Temp F Air Entering Indoor Coil Cfm/BFIntegrated Heating Capacities 5625CFM General Notes for FAN Performance Tables ACCESSORY/FIOP Unit Size Unit Voltage CFM ACCESSORY/FIOP Static PRESSURE* in. wg 542J150,180FAN RPM AT Motor Pulley SETTINGS* 542J150,180 Fan Performance Using Accessory Power ExhaustElectric Heating Capacities 542J150,180 Glycol Coil DataGlycol Coil Ratings INDOOR-FAN Motor Performance 542J150,180 542J180, 460-3-60 Shown CAP BKR W/ATLOR LPSOptional Non-Fused Disconnect 542J150,180 Guide Specifications 542J150,180 Units Part 1 GeneralPart 2 Products Guide Specifications 542J150,180 Units 120 121 95,96 Index
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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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