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Bryant 581A/B manual Physical Data 580F090,120,150 Units

Models: 581A/B

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PHYSICAL DATA — 580F090,120,150 UNITS

151

NOMINAL CAPACITY (tons)

 

71/2

 

 

10

 

 

121/2

 

UNIT SIZE 580F

 

090

 

 

120

 

 

 

150

580F036-

 

 

 

 

 

 

 

 

 

 

 

 

OPERATING WEIGHT (lb)

 

 

 

 

 

 

 

 

 

 

 

 

Unit

 

 

 

 

 

 

 

 

 

 

 

 

Al/Al*

 

870

 

 

1035

 

 

1050

 

Al/Cu*

 

881

 

 

1057

 

 

1077

 

Cu/Cu*

 

893

 

 

1080

 

 

1100

 

Economizer

 

 

 

 

 

 

 

 

 

 

 

 

EconoMi$er IV

 

75

 

 

75

 

 

 

75

 

Roof Curb†

 

143

 

 

143

 

 

 

143

 

COMPRESSOR

 

 

 

 

 

 

 

 

 

 

 

 

Type

 

Reciprocating

 

 

Reciprocating

 

 

Scroll

 

Quantity

 

2

 

 

2

 

 

 

2

 

No. Cylinders (per Circuit)

 

2

 

 

2

 

 

 

—

 

Oil (oz)

 

42 ea

 

 

54 ea

 

 

54 ea

 

REFRIGERANT TYPE

 

 

 

 

R-22

 

 

 

 

Expansion Device

 

 

Fixed Orifice Metering Device

 

 

 

 

Operating Charge (lb-oz)

 

 

 

 

 

 

 

 

 

 

 

 

Circuit 1 (first stage)

 

4-13

 

 

7- 3

 

 

 

8-10

 

 

 

 

 

 

Circuit 2 (second stage)

 

4-14

 

 

7-13

 

 

 

8- 6

 

CONDENSER COIL

 

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

 

 

 

8

 

 

 

 

 

 

 

 

 

 

Rows...Fins/in.

 

1...17

 

 

2...17

 

 

2...17

 

Total Face Area (sq ft)

 

20.50

 

 

20.47

 

 

25.00

 

CONDENSER FAN

 

 

 

 

Propeller Type

 

 

 

 

Nominal Cfm

 

6400

 

 

7000

 

 

7000

 

Quantity...Diameter (in.)

 

2...22

 

 

2...22

 

 

2...22

 

Motor Hp...Rpm

 

1/ ...1100

 

 

1/ ...1100

 

 

1/

...1100

 

Watts Input (Total)

 

4

 

 

4

 

 

 

4

600

 

 

600

 

 

600

 

 

 

 

EVAPORATOR COIL

 

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

 

 

 

8

 

 

 

 

 

 

 

 

 

 

Rows...Fins/in.

 

3...15

 

 

3...15

 

 

4...15

 

Total Face Area (sq ft)

 

8.0

 

 

10.0

 

 

 

11.1

 

EVAPORATOR FAN

 

 

 

 

Centrifugal Type

 

 

 

 

Quantity...Size (in.)

Std

1...15 x 15

 

 

1...15 x 15

 

 

1...15 x 15

 

 

Alt

1...15 x 15

 

 

1...15 x 15

 

 

1...15 x 15

 

 

High-Static

1...15 x 15

 

 

1...15 x 15

 

 

 

—

 

Type Drive

Std

Belt

 

 

Belt

 

 

 

Belt

 

 

Alt

Belt

 

 

Belt

 

 

 

Belt

 

Nominal Cfm

High-Static

Belt

 

 

Belt

 

 

 

—

 

 

3000

 

 

4000

 

 

5000

 

Maximum Continuous Bhp

Std

2.40

 

 

2.40

 

 

 

3.70

 

 

Alt

2.40

 

 

2.90

 

 

 

5.25

 

 

High-Static

3.70

 

 

5.25

 

 

 

—

 

Motor Frame Size

Std

56

 

 

56

 

 

 

56

 

 

Alt

56

 

 

56

 

 

 

56

 

 

High-Static

56

 

 

56

 

 

 

—

 

Fan Rpm Range

Std

590-840

 

 

685-935

 

 

860-1080

 

 

Alt

685-935

 

 

835-1085

 

 

830-1130

 

Motor Bearing Type

High-Static

860-1080

 

 

830-1130

 

 

 

—

 

 

Ball

 

 

Ball

 

 

 

Ball

 

Maximum Allowable Rpm

 

2100

 

 

2100

 

 

2100

 

Motor Pulley Pitch Diameter Min/Max (in.)

Std

2.4/3.4

 

 

2.8/3.8

 

 

4.0/5.0

 

 

Alt

2.8/3.8

 

 

3.4/4.4

 

 

3.1/4.1

 

 

High-Static

4.0/5.0

 

 

2.8/3.8

 

 

 

—

 

Nominal Motor Shaft Diameter (in.)

Std

5/

 

 

5/

8

 

 

 

7/

8

 

 

Alt

8

 

 

7/

 

 

 

7/

 

 

1/

 

 

8

 

 

 

8

 

 

High-Static

2

 

 

7/

 

 

 

 

 

 

7/

 

 

8

 

 

 

—

 

Fan Pulley Pitch Diameter (in.)

Std

8

 

 

 

 

 

 

8.0

 

7.0

 

 

7.0

 

 

 

 

 

Alt

7.0

 

 

7.0

 

 

 

5.9

 

 

High-Static

8.0

 

 

5.8

 

 

 

—

 

Belt, Quantity...Type...Length (in.)

Std

1...A...48

 

 

1...A...49

 

 

1...A...53

 

 

Alt

1...A...48

 

 

1...A...51

 

 

1...BX...48

 

 

High-Static

1...A...53

 

 

1...BX...48

 

 

 

—

 

Pulley Center Line Distance (in.)

Std

16.75-19.25

 

 

15.85-17.50

 

 

15.85-17.50

 

 

Alt

16.75-19.25

 

 

15.85-17.50

 

 

15.85-17.50

 

 

High-Static

16.75-19.25

 

 

15.85-17.50

 

 

 

—

 

Speed Change per Full Turn of

Std

50

 

 

50

 

 

 

44

 

Movable Pulley Flange (rpm)

Alt

50

 

 

50

 

 

 

50

 

 

High-Static

60

 

 

60

 

 

 

—

 

Movable Pulley Maximum Full Turns

Std

5

 

 

5

 

 

 

5

 

From Closed Position

Alt

5

 

 

5

 

 

 

6

 

 

High-Static

5

 

 

6

 

 

 

—

 

Factory Setting

Std

5

 

 

5

 

 

 

5

 

 

Alt

5

 

 

5

 

 

 

5

 

 

High-Static

5

 

 

5

 

 

 

—

 

Factory Speed Setting (rpm)

Std

590

 

 

685

 

 

 

860

 

 

Alt

685

 

 

835

 

 

 

960

 

Fan Shaft Diameter at Pulley (in.)

High-Static

860

 

 

887

 

 

 

—

 

 

1

 

 

1

 

 

 

1

 

 

LEGEND

Al

—

Aluminum

Bhp

—

Brake Horsepower

Cu

—

Copper

*Evaporator coil fin material/condenser coil fin material. Contact your local repre- sentative for details about coated fins.

†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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Bryant 581A/B manual Physical Data 580F090,120,150 Units
Page 21 Page 23

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.