Bryant 581B manual 090 102 120 150 Nominal Capacity tons

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PHYSICAL DATA (cont)

UNIT SIZE 581B

 

090

 

102

 

120

150

NOMINAL CAPACITY (tons)

 

71/2

 

81/2

 

10

121/2

OPERATING WEIGHT (lb)

 

 

 

 

 

 

 

Unit

 

870

 

880

 

1035

1050

With Durablade Economizer

 

914

 

924

 

1079

1094

With EconoMi$er

 

932

 

942

 

1097

1112

With Perfect Humidity™ Dehumidification Package

899

 

909

 

1068

1083

Roof Curb*

 

143

 

143

 

143

143

COMPRESSOR

 

 

 

Scroll

 

 

Quantity

 

2

 

2

 

2

2

Oil (oz) (each compressor)

 

53

 

53

 

50

60

REFRIGERANT TYPE

 

 

 

R-22

 

 

Operating Charge (lb-oz)

 

 

 

 

 

 

 

Standard Unit

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Circuit 1

 

7-10

 

7-14

 

9-10

9-8

Circuit 2

 

8- 2

 

8- 5

 

10-10

9-5

Unit With Perfect Humidity Dehumidification

 

 

 

 

 

 

 

Package

 

 

 

 

 

 

 

Circuit 1

 

10-10

 

10-11

 

13- 0

12-6

Circuit 2

 

12- 8

 

10-10

 

13- 5

12-2

CONDENSER FAN

 

 

 

Propeller

 

 

Quantity...Diameter (in.)

 

2...22

 

2...22

 

2...22

2...22

Nominal Cfm

 

6500

 

6500

 

7000

7000

Motor Hp...Rpm

 

1/4...1100

 

1/4...1100

 

1/4...1100

1/4...1100

Watts Input (Total)

 

650

 

650

 

650

650

CONDENSER COIL

 

 

Enhanced Copper Tubes, Aluminum Lanced Fins

 

Standard Unit

 

 

 

 

 

 

 

Rows...Fins/in.

 

2...17

 

2...17

 

2...17

2...17

Total Face Area (sq ft)

 

20.5

 

20.5

 

25.0

25.0

Unit with Perfect Humidity Dehumidification

 

 

 

 

 

 

 

Package

 

 

 

 

 

 

 

Rows...Fins/in.

 

1...17

 

1...17

 

1...17

1...17

Total Face Area (sq ft)

 

6.3

 

6.3

 

8.4

8.4

EVAPORATOR FAN

 

 

 

Centrifugal

 

 

Size (in.)

 

15 x 15

 

15 x 15

 

15 x 15

15 x 15

Type Drive

 

Belt

 

Belt

 

Belt

Belt

Nominal Cfm

 

3000

 

3400

 

4000

5000

Maximum Continuous Bhp

Std

2.90

 

2.90

 

3.70

5.25

Motor Frame

Hi-Static

4.20

 

4.20

 

5.25

 

56

 

56

 

56

56

Fan Rpm Range

Std

840-1085

 

840-1085

 

860-1080

900-1260

Motor Bearing Type

Hi-Static

860-1080

 

860-1080

 

830-1130

 

Ball

 

Ball

 

Ball

Ball

Maximum Fan Rpm

 

2100

 

2100

 

2100

2100

Motor Pulley Pitch Diameter

Std

3.4/4.4

 

3.4/4.4

 

4.0/5.0

2.8/3.8

A/B (in.)

Hi-Static

4.0/5.0

 

4.0/5.0

 

2.8/3.8

Nominal Motor Shaft Diameter (in.)

Std

7/8

 

7/8

 

7/8

7/8

Fan Pulley Pitch Diameter (in.)

7.0

 

7.0

 

8.0

5.8

 

Hi-Static

8.0

 

8.0

 

5.8

Belt — Type...Length (in.)

Std

A...51

 

A...51

 

A...51

BX...46

Pulley Center Line Distance (in.)

Hi-Static

A...55

 

A...55

 

BX...46

 

16.75-19.25

 

16.75-19.25

 

15.85-17.50

15.85-17.50

Speed Change per Full Turn of

Std

50

 

50

 

45

60

Movable Pulley Flange (rpm)

Hi-Static

60

 

60

 

60

Movable Pulley Maximum Full

Std

5

 

5

 

5

6

Turns from Closed Position

Hi-Static

5

 

5

 

6

Factory Setting — Full Turns Open

Std

5

 

5

 

5

5

 

Hi-Static

5

 

5

 

5

Factory Speed Setting (rpm)

Std

840

 

840

 

860

960

Fan Shaft Diameter at Pulley (in.)

Hi-Static

860

 

860

 

890

 

1

 

1

 

1

1

EVAPORATOR COIL

 

 

Enhanced Copper Tubes, Aluminum Double-Wavy Fins

 

Rows...Fins/in.

 

3...15

 

3...15

 

4...15

4...15

Total Face Area (sq ft)

 

8.9

 

8.9

 

11.1

11.1

LEGEND

Bhp — Brake Horsepower

*Weight of 14-in. roof curb.

†Rollout switch lockout is manually reset by interrupting power to unit or resetting thermostat.

NOTE: High-static motor not available on size 150 units.

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Contents Unit 581B090-150 FEATURES/BENEFITSEasy Maintenance and Installation Unit 581B036-072FEATURES/BENEFITS Table of Contents Indoor AIR Quality IAQ ServiceabilityCompressors and Safety Switches are Easily Accessible for Model Number NomenclatureHeating Capacities and Efficiencies ARI* CapacitiesLiquid Propane Conversion KIT Options and AccessoriesLOW Ambient Controls Time Guard II ControlOptions and Accessories Bryant Light Commercial Thermidistat Hail Guard Accusensor II Enthalpy ControlCoil Guard Grille Bryant Commercial Programmable ThermostatHi-Static Physical Data120N††† Physical Data060N††† 090N†††090 102 120 150 Nominal Capacity tons LOSS-OF-CHARGE LOW-PRESSURE 581B036-072 Base Unit Dimensions581B090-150 Base Unit DimensionsAccessory Dimensions 581B036-072 CRRFCURB003A00 Accessory Dimensions 581B090-150Connector ALT Drain PKG. Accy GAS ControlDetermine NET Cooling Capacity Selection Procedure With 581B048 ExampleII Select Unit Based on Required Cooling Capacity Cooling Capacities Performance DataCooling Capacities Performance Data581B090 71/2 Tons 581B120 10 Tons Temp F Cooling CAPACITIES, Units with Perfect Humidity Option Cooling CAPACITIES, Units with Perfect Humidity Option 2250/0.10 3000/0.11 3750/0.14 Condenser 134.3 581B036 3 Tons HIGH-STATIC Motor Airflow FAN Performance Vertical Discharge Units581B036 3 Tons Standard Motor Airflow 581B048 4 Tons HIGH-STATIC Motor Airflow FAN Performance Vertical Discharge Units581B048 4 Tons Standard Motor Airflow 581B060 5 Tons HIGH-STATIC Motor 581B060 5 Tons Standard Motor SINGLE-PHASE Units Airflow581B060 5 Tons Standard Motor THREE-PHASE Units Airflow 581B072 6 Tons HIGH-STATIC Motor 581B072 6 Tons Standard Motor Airflow581B090 71/2 Tons HIGH-STATIC Motor Airflow 581B090 71/2 Tons Standard Motor581B102 81/2 Tons HIGH-STATIC Motor Airflow 581B120 10 Tons Standard and HIGH-STATIC Motor Airflow FAN Performance Horizontal Discharge Units FAN Performance Horizontal Discharge Units 581B060 5 Tons HIGH-STATIC Motor Airflow 581B060 5 Tons Standard Motor 3-PHASE Units Airflow2100 1063 1140 1196 1272 Bhp Rpm 1800 885 942 10471900 982 1084 1160 1223 2000 1022 1121 1188 1264581B090 71/2 Tons HIGH-STATIC Motor Airflow 2800 588 662 723 782 809 837 Bhp Rpm 2550 627 692 754 783 8122600 557 634 698 759 787 816 2700 573 648 711 770 798 8273400 561 704 761 3100 500 669 731 8083200 519 680 741 818 3300 537 692 751 828Fiop Perfect Humidity Dehumidification Outdoor Sound Power Total UnitEVAPORATOR-FAN Motor Efficiency EVAPORATOR-FAN Motor Data Standard Motor 581B FAN RPM AT Motor Pulley Setting with Standard Motor581B FAN RPM AT Motor Pulley Setting with HIGH-STATIC Motor Operating Watts EVAPORATOR-FAN Motor Data HIGH-STATIC MotorsEconoMi$er Return-Air Pressure Drop EconoMi$er Barometric Relief Damper CharacteristicsEconoMi$er Outdoor-Air Leakage 581B036-150 Altitude CompensationAltitude Derating Factor FAN Motor Electrical DataOFM SupplyRLA LRA FLA MCA MOCP† Electrical DataNominal Voltage Combustion Power Minimum Unit Compressor RLA LRA Applications Maximum Operating OUTDOOR-AIR TemperatureApplication Data Application Data Perfect Humidity Dehumidification Option Pressure Enthalpy Curve Psychrometric Chart 581B072 Shown Horizontal Discharge Typical Piping and WiringVertical Discharge Typical Wiring Schematic Typical Wiring Schematic Tran 581B090-150 Typical Wiring SchematicOFC Operating Sequence for 581B090-150 Units ControlsOperating Sequence for 581B036-072 Units Operating Sequence for 581B036-150 Size Units ControlsPart 2 Products Guide SpecificationsPart 1 General Guide Specifications Light Commercial Thermidistat Page Specifications Subject to Change Without Notice
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581B specifications

The Bryant 581B is an innovative and highly efficient gas furnace that stands out in the HVAC market for its remarkable performance, reliability, and advanced features. Designed to provide optimal heating comfort, the Bryant 581B is perfect for homeowners seeking both quality and energy efficiency.

One of the main features of the Bryant 581B is its impressive Annual Fuel Utilization Efficiency (AFUE) rating. With an AFUE rating of up to 80%, this gas furnace maximizes energy usage, ensuring that a significant portion of the fuel is converted into heat for your home. This efficiency not only translates into lower energy bills but also reduces the carbon footprint, making it an environmentally friendly choice.

The furnace is equipped with a multi-speed blower motor that enhances comfort by providing consistent airflow throughout the home. This technology adjusts to different heating demands, ensuring that every room reaches the desired temperature without the discomfort of hot or cold spots. The quiet operation of the blower motor also adds to the overall comfort, creating a peaceful home environment.

Another notable characteristic of the Bryant 581B is its durable construction. It features a robust heat exchanger built from high-quality materials, designed to withstand the rigors of daily use. The compact design of the furnace allows it to fit seamlessly into various spaces, making it an ideal choice for both new installations and replacement projects.

The Bryant 581B also comes with advanced safety features, including a self-diagnostic control board that monitors the system's performance. This feature allows for easy troubleshooting and maintenance, prolonging the life of the furnace. Additionally, the furnace is equipped with an induced draft blower that enhances venting efficiency and safety by ensuring that combustion gases are safely expelled from the home.

For homeowners looking for enhanced control, the Bryant 581B is compatible with a range of smart thermostats, providing the ability to monitor and adjust heating settings remotely. This integration with smart technology ensures that homeowners can maintain their desired comfort levels while maximizing efficiency.

In conclusion, the Bryant 581B gas furnace is a top-tier option that combines efficiency, durability, and modern technology. With its high AFUE rating, multi-speed blower, and advanced safety features, it promises to deliver unparalleled comfort and peace of mind for years to come. Whether for a new build or an upgrade, the Bryant 581B is an investment that pays off in both comfort and savings.