Table 3 — Fan Motor and Drive Data — Horizontal Supply/Return

 

 

 

210

240

 

300

581A

 

208/230

 

575 v

208/230

575 v

208/230

 

575 v

 

 

and 460 v

 

and 460 v

and 460 v

 

 

 

 

 

 

 

 

LOW RANGE

 

 

 

 

 

 

 

 

Motor Hp

3.7

 

3

5

5

7.5

 

7.5

Motor Nominal Rpm

1725

 

1725

1745

1745

1745

 

1745

Maximum Continuous Bhp

4.25

 

3.45

5.75

5.75

8.63

 

8.63

Maximum Continuous Watts

3698

 

3149

4900

4900

7267

 

7267

Motor Frame Size

56HZ

 

56HZ

S184T

184T

S213T

 

S213T

Motor Shaft Diameter (in.)

7/8

 

7/8

11/8

11/8

13/8

 

13/8

Fan Rpm Range

896-1227

 

863-1141

1113-1414

1113-1414

941-1176

 

941-1176

Motor Pulley Min. Pitch Diameter (in.)

2.7

 

3.1

3.7

3.7

4.8

 

4.8

Motor Pulley Max. Pitch Diameter (in.)

3.7

 

4.1

4.7

4.7

6.0

 

6.0

Blower Pulley Pitch Diameter (in.)

5.2

 

6.2

5.8

5.8

8.9

 

8.9

Blower Pulley Shaft Diameter (in.)

1.1875

 

1.1875

1.1875

1.1875

1.1875

 

1.1875

Blower Pulley Type

Fixed

 

Fixed

Fixed

Fixed

Fixed

 

Fixed

Pulley Center Line Distance (in.)

11.293-13.544

11.286-14.475

9.81-13.055

9.81-13.055

9.025-12.179

9.025-12.179

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

1...BX...35

 

1...BX...38

1...BX...35

1...BX...35

1...BX...42

 

1...BX...42

Speed Change Per Turn — Moveable Pulley (rpm)

66

 

56

60

60

47

 

47

Moveable Pulley Maximum Full Turns

6

 

6

6

6

6

 

6

Factory Speed Setting (rpm)

1062

 

1002

1264

1264

1059

 

1059

HIGH RANGE

5

 

5

7.5

7.5

10

 

10

Motor Hp

 

 

Motor Nominal Rpm

1745

 

1745

1745

1745

1745

 

1745

Maximum Continuous Bhp

5.75

 

5.75

8.63

8.63

11.5

 

11.5

Maximum Continuous Watts

4900

 

4900

7267

7267

9582

 

9582

Motor Frame Size

S184T

 

184T

S213T

S213T

S215T

 

S215T

Motor Shaft Diameter (in.)

11/8

 

11/8

13/8

13/8

13/8

 

13/8

Fan Rpm Range

1113-1414

 

1042-1285

1096-1339

1096-1339

1014-1297

 

1014-1297

Motor Pulley Min. Pitch Diameter (in.)

3.7

 

4.3

5.4

5.4

4.3

 

4.3

Motor Pulley Max. Pitch Diameter (in.)

4.7

 

5.3

6.6

6.6

5.5

 

5.5

Blower Pulley Pitch Diameter (in.)

5.8

 

7.2

8.6

8.6

7.4

 

7.4

Blower Pulley Shaft Diameter (in.)

1.1875

 

1.1875

1.1875

1.1875

1.1875

 

1.1875

Blower Pulley Type

Fixed

 

Fixed

Fixed

Fixed

Fixed

 

Fixed

Pulley Center Line Distance (in.)

9.81-13.055

 

9.81-13.055

9.025-12.179

9.025-12.179

9.025-12.179

9.025-12.179

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

1...BX...35

 

1...BX...38

1...BX...42

1...BX...42

1...BX...38

 

1...BX...38

Speed Change per Turn — Moveable Pulley (rpm)

60

 

48

49

49

57

 

57

Moveable Pulley Maximum Full Turns

6

 

6

6

6

6

 

6

Factory Speed Setting (rpm)

1264

 

1164

1218

1218

1156

 

1156

LEGEND

Bhp — Brake Horsepower

8

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Bryant 581A operation manual Fan Motor and Drive Data Horizontal Supply/Return

581A specifications

The Bryant 581A is a pivotal model in the realm of heating, ventilation, and air conditioning (HVAC) systems, known for its robust performance and energy efficiency. As part of the Bryant product lineup, the 581A offers a blend of innovative technologies combined with reliable engineering, making it a suitable choice for both residential and light commercial applications.

One of the standout features of the Bryant 581A is its outstanding energy efficiency. With a Seasonal Energy Efficiency Ratio (SEER) rating of up to 16, this model meets Energy Star qualifications, ensuring that homeowners can enjoy lower utility bills while helping to reduce their environmental footprint. The efficiency is further enhanced by the unit’s environmentally friendly refrigerant, which not only improves performance but also aligns with modern sustainability standards.

Another key characteristic of the Bryant 581A is its durable construction. Designed to withstand various weather conditions, the unit features a robust cabinet that protects internal components. This durability not only prolongs the lifespan of the system but also minimizes the need for frequent maintenance or repairs. The coil design is optimized for heat transfer efficiency, enhancing the unit's overall performance in both cooling and heating modes.

In terms of technology, the Bryant 581A incorporates advanced control systems that enable precise temperature regulation. The multi-stage cooling capabilities ensure that the system can adapt to varying temperature demands, providing comfort in all seasons. Additionally, the model is compatible with smart thermostats, allowing homeowners to control their HVAC system remotely via smartphone or other connected devices.

Noise reduction is another aspect where the Bryant 581A excels. Equipped with a variable-speed compressor and sound-dampening features, this model operates quietly, minimizing disruption in residential or office environments. This focus on acoustic comfort makes it an ideal choice for those who value a peaceful living or working space.

Overall, the Bryant 581A represents an excellent balance of efficiency, durability, and modern technology. With features aimed at enhancing user comfort and reducing operational costs, it stands out as a reliable solution in the competitive HVAC market. Whether for new installations or replacements, the Bryant 581A is a testament to the brand’s commitment to quality and innovation in home climate control.