Table 1 — Physical Data — 581B036-072

UNIT SIZE 581B

 

036

 

048

 

 

060

 

072

NOMINAL CAPACITY

 

3

 

4

 

 

5

 

6

OPERATING WEIGHT (lb)

 

 

 

 

 

 

 

 

 

Unit

 

530

 

540

 

 

560

 

635

EconoMi$er IV

 

50

 

50

 

 

50

 

50

Perfect Humidity™ Dehumidification System

 

15

 

23

 

 

23

 

29

Roof Curb

 

115

 

115

 

 

115

 

115

COMPRESSOR

 

 

 

 

 

 

Scroll

 

 

Quantity

 

1

 

1

 

 

1

 

1

 

 

 

 

Oil (oz)

 

42

 

53

 

 

50

 

60

REFRIGERANT TYPE

 

 

 

 

 

 

R-22

 

 

Operating Charge (lb-oz)

 

 

 

 

 

 

 

 

 

Standard Unit

 

5-8

 

10-2

 

 

10-0

 

12-8

 

 

 

 

Unit With Perfect Humidity Dehumidification System

 

9-0

 

15-8

 

 

17-0

 

21-0

CONDENSER FAN

 

 

 

 

Propeller

 

 

Quantity...Diameter (in.)

 

1...22

 

1...22

 

 

1...22

 

1...22

 

 

 

 

Nominal Cfm

 

3500

 

3500

 

 

4100

 

4100

Motor Hp...Rpm

 

1/4...825

 

1/4...825

 

 

1/4...1100

 

1/4...1100

Watts Input (Total)

 

180

 

180

 

 

320

 

320

CONDENSER COIL

 

 

 

Enhanced Copper Tubes, Aluminum Lanced Fins

 

 

Rows...Fins/in.

 

1...17

 

2...17

 

 

2...17

 

2...17

 

 

 

 

Total Face Area (sq ft)

 

14.6

 

16.5

 

 

16.5

 

16.5

EVAPORATOR COIL

 

Enhanced Copper Tubes, Aluminum Double-Wavy Fins, Acutrol™ Metering Device

Standard Unit

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Rows...Fins/in.

 

2...15

 

2...15

 

 

4...15

 

4...15

Total Face Area (sq ft)

 

5.5

 

5.5

 

 

5.5

 

5.5

Unit with Perfect Humidity Dehumidification System

 

 

 

 

 

 

 

 

 

Rows...Fins/in.

 

1...17

 

2...17

 

 

2...17

 

2...17

Total Face Area (sq ft)

 

3.9

 

3.9

 

 

3.9

 

5.2

EVAPORATOR FAN

 

 

 

Centrifugal Type, Belt Drive

 

 

Quantity...Size (in.)

 

1...10 x 10

 

1...10 x 10

 

 

1...10 x 10

 

1...10 x 10

 

 

 

 

Nominal Cfm

 

1200

 

1600

 

 

2000

 

2400

Maximum Continuous Bhp

Std

1.20

 

1.20

 

 

1.30/2.40*

 

2.40

 

Hi-Static

2.40

 

2.40

 

 

2.90

 

2.90

Motor Frame Size

Std

48

 

48

 

 

48/56*

 

56

 

Hi-Static

56

 

56

 

 

56

 

56

Fan Rpm Range

Std

680-1044

 

770-1185

 

 

1035-1460

 

1119-1585

Motor Bearing Type

Hi-Static

1075-1455

 

1075-1455

 

 

1300-1685

 

1300-1685

 

Ball

 

Ball

 

 

Ball

 

Ball

Maximum Fan Rpm

 

2100

 

2100

 

 

2100

 

2100

Motor Pulley Pitch Diameter A/B (in.)

Std

1.9/2.9

 

1.9/2.0

 

 

2.4/3.4

 

2.4/3.4

 

Hi-Static

2.8/3.8

 

2.8/3.8

 

 

3.4/4.4

 

3.4/3.4

Nominal Motor Shaft Diameter (in.)

Std

1/2

 

1/2

 

 

5/8

 

5/8

Fan Pulley Pitch Diameter (in.)

Hi-Static

5/8

 

5/8

 

 

5/8

 

7/8

Std

4.5

 

4.0

 

 

4.0

 

4.0

 

Hi-Static

4.5

 

4.0

 

 

4.5

 

4.5

Belt — Type...Length (in.)

Std

1...A...36

 

1...A...36

 

 

1....4...40

 

1...A...38

Pulley Center Line Distance (in.)

Hi-Static

1...A...39

 

1...A...39

 

 

1...A...40

 

1...A...40

 

10.0-12.4

 

10.0-12.4

 

 

14.7-15.5

 

14.7-15.5

Speed Change per Full Turn of

Std

65

 

70

 

 

75

 

95

Movable Pulley Flange (rpm)

Hi-Static

65

 

65

 

 

60

 

60

Movable Pulley Maximum Full

Std

5

 

5

 

 

6

 

5

Turns from Closed Position

Hi-Static

6

 

6

 

 

5

 

5

Factory Setting — Full Turns Open

Std

3

 

3

 

 

3

 

3

Factory Speed Setting (rpm)

Hi-Static

31/2

 

31/2

 

 

31/2

 

31/2

Std

826

 

936

 

 

1248

 

1305

Fan Shaft Diameter at Pulley (in.)

Hi-Static

1233

 

1233

 

 

1396

 

1396

 

5/8

 

5/8

 

 

5/8

 

5/8

LEGEND

Bhp — Brake Horsepower

*Single phase/three phase. †Indicates automatic reset.

**60,000 and 72,000 Btuh heat input units have 2 burners. 90,000 and 120,000 Btuh heat input units have 3 burners. 115,000 Btuh heat input units and 150,000 Btuh Heat input units have 3 burners.

††An LP kit is available as an accessory. If an LP kit is used with low NOx units, one low NOx baffle must be removed and the units will no longer be classified as low NOx units.

California compliant three-phase models.

***California SCAQMD compliant low NOx models have combustion products that are controlled to 40 nanograms per joule or less.

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Bryant installation instructions Physical Data 581B036-072

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.