PHYSICAL DATA — 581B090-150

UNIT SIZE 581B

 

 

090

 

 

 

102

 

120

 

150

 

 

 

NOMINAL CAPACITY (tons)

 

 

71/

 

 

 

81/

 

10

 

121/

 

 

 

 

 

 

 

2

 

 

 

 

2

 

 

 

 

2

 

 

 

OPERATING WEIGHT (lb)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Unit

 

 

870

 

 

1015

 

1035

 

1050

 

 

 

With EconoMi$er IV

 

 

945

 

 

1077

 

1110

 

1125

 

 

 

With EconoMi$er2

 

 

941

 

 

1072

 

1106

 

1121

 

 

 

With Perfect Humidity™ Dehumidification Package

 

 

899

 

 

1044

 

1068

 

1083

 

 

 

Roof Curb

 

 

143

 

 

 

143

 

143

 

143

 

 

 

COMPRESSOR

 

 

 

 

 

 

 

 

 

Scroll

 

 

 

 

 

 

Quantity

 

 

2

 

 

 

2

 

2

 

2

 

 

 

Oil (oz) (each compressor)

 

 

53

 

 

 

50

 

50

 

60

 

 

 

REFRIGERANT TYPE

 

 

 

 

 

 

 

 

 

R-

22

 

 

 

 

 

 

Operating Charge (lb-oz)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Standard Unit

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Circuit 1 (first stage)

 

 

7-10

 

 

 

9- 8

 

9-10

 

9-8

 

 

 

Circuit 2 (second stage)

 

 

8- 2

 

 

 

8-13

 

10-10

 

9-5

 

 

 

Unit With Perfect Humidity Dehumidification Package

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Circuit 1 (first stage)

 

 

13-0

 

 

 

16-0

 

16-8

 

15-3

 

 

 

Circuit 2 (second stage)

 

 

13-6

 

 

 

16-8

 

17-8

 

16-6

 

581B036

 

Watts Input (Total)

 

 

650

 

 

 

650

650

 

650

 

 

CONDENSER FAN

 

 

 

 

 

 

 

 

 

Propeller

 

 

 

 

 

 

Quantity...Diameter (in.)

 

2...22

 

 

2...22

 

2...22

 

2...22

 

 

 

Nominal Cfm

 

6500

 

 

6500

 

7000

 

7000

 

 

 

Motor Hp...Rpm

 

1/

...1100

 

 

1/

...1100

 

1/ ...1100

 

1/ ...1100

 

 

 

 

 

4

 

 

 

 

4

 

 

 

4

 

 

4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

-150

 

CONDENSER COIL

 

 

 

 

 

3/ -in. OD Enhanced Copper Tubes, Aluminum Lanced Fins

 

 

 

 

 

 

 

8

 

 

 

 

 

 

 

 

 

 

 

Standard Unit

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Rows...Fins/in.

 

2...17

 

 

2...17

 

2...17

 

2...17

 

 

 

Total Face Area (sq ft)

 

 

20.5

 

 

 

25.0

 

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

 

 

 

8.4

 

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

 

830-1130

 

 

 

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.)

 

 

7/

8

 

 

 

7/

8

 

7/

8

 

7/

 

 

 

Fan Pulley Pitch Diameter (in.)

Std

 

 

 

 

 

 

 

 

 

8

 

 

 

 

7.0

 

 

 

7.0

 

8.0

 

5.8

 

 

 

 

Hi-Static

 

8.0

 

 

 

8.0

 

5.8

 

 

 

 

Belt — Type...Length (in.)

Std

A...48

 

 

A...51

 

A...53

 

BX...48

 

 

 

Pulley Center Line Distance (in.)

Hi-Static

A...53

 

 

A...53

 

BX...45

 

 

 

 

 

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

 

887

 

 

 

Fan Shaft Diameter at Pulley (in.)

Hi-Static

 

860

 

 

 

860

 

890

 

 

 

 

 

 

1

 

 

 

1

 

1

 

1

 

 

 

EVAPORATOR COIL

 

 

 

 

3/ -in. OD Enhanced Copper Tubes, Aluminum Double-Wavy Fins

 

 

 

 

 

 

 

 

 

8

 

 

 

 

 

 

 

 

 

 

 

Rows...Fins/in.

 

3...15

 

 

4...15

 

4...15

 

4...15

 

 

 

Total Face Area (sq ft)

 

 

8.9

 

 

 

11.1

 

11.1

 

11.1

 

 

 

LEGEND

Bhp — Brake Horsepower

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

**72,000 Btuh heat input units have 2 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.

85

Page 85
Image 85
Bryant 581A/B manual Physical Data 581B090-150

581A/B specifications

The Bryant 581A/B is a sophisticated rooftop unit designed for commercial heating and cooling applications, striking a balance between performance, efficiency, and versatility. This unit is engineered to cater to various building sizes and configurations, making it an excellent choice for businesses seeking reliable climate control solutions.

One of the standout features of the Bryant 581A/B is its high efficiency. With SEER ratings reaching up to 14.5, this unit can significantly reduce energy costs while providing optimal performance throughout its operational lifespan. The design incorporates advanced compressor technology, allowing for variable speed operation that not only enhances comfort but also promotes energy savings by adjusting to the real-time demands of the environment.

The Bryant 581A/B also integrates cutting-edge refrigerant technology. Utilizing Puron refrigerant, it adheres to current environmental standards, minimizing its impact on ozone depletion while maximizing cooling performance. This commitment to sustainability is complemented by energy-efficient components, including high-efficiency coils and fan motors, which further optimize energy consumption.

In terms of construction, the Bryant 581A/B is built to withstand the rigors of outdoor installation. The unit features a rugged cabinet design with durable, corrosion-resistant materials, ensuring long-term reliability even in challenging weather conditions. Additionally, the easily accessible components simplify maintenance, reducing downtime for businesses.

The functionality of the Bryant 581A/B extends beyond mere cooling and heating. It is equipped with advanced control systems that can be interfaced with building management systems, allowing for seamless integration and enhanced control over indoor climate. This technology provides operators with the ability to monitor and adjust settings remotely, ensuring a comfortable indoor environment while optimizing energy use.

Noise reduction is another important characteristic of the Bryant 581A/B. The unit is designed with sound-dampening features, making it suitable for applications where low noise levels are a priority, such as retail spaces or office buildings.

Overall, the Bryant 581A/B is a robust solution for businesses seeking efficient, reliable, and flexible climate control. Its combination of advanced technology, durable construction, and user-friendly features make it a leading choice in the commercial HVAC market.