579F180-300

PERFORMANCE DATA — 579F (cont)

ALTITUDE COMPENSATION — 579F180-300

(LP Gas Units)

ELEVATION

LIQUID PROPANE ORIFICE SIZE

(ft)

Low Heat and High Heat

0-2,000

36

2,000

37

3,000

38

4,000

38

5,000

39

6,000

40

7,000

41

8,000

41

9,000

42

10,000

43

OUTDOOR SOUND POWER

UNIT

SOUND

A-WEIGHTED

 

 

 

OCTAVE BANDS

 

 

 

RATING

 

 

 

 

 

 

 

 

579F

(dB)

63

125

250

500

1000

2000

4000

8000

(60 Hz)

 

 

 

 

 

 

 

 

 

 

180

88 dB

87.8

90.8

88.7

86.4

84.3

83.5

78.4

75.6

66.8

216

88 dB

87.8

90.8

88.7

86.4

84.3

83.5

78.4

75.6

66.8

240

95 dB

94.1

98.7

92.3

93.8

90.9

89.6

85.9

80.3

74.3

300

95 dB

94.1

98.7

92.3

93.8

90.9

89.6

85.9

80.3

74.3

NOTE: Indoor sound power is available in Bryant’s Electronic Catalog program (ECAT) for specific operating parameters.

ACCESSORY/FIOP STATIC PRESSURE (in. wg)* — 579F180-300

COMPONENT

 

 

 

 

CFM

 

 

 

 

4500

5000

5400

6000

7200

7500

9000

10,000

11,250

 

EconoMi$er IV and EconoMi$er2

0.040

0.050

0.060

0.070

0.090

0.100

0.110

0.120

0.140

LEGEND

 

 

 

 

 

 

 

 

 

FIOP — Factory-Installed Option

*The static pressure must be added to external static pressure. The sum and the evaporator entering-air cfm should then be used in conjunction with the Fan Performance tables to determine blower rpm and watts.

FAN RPM AT MOTOR PULLEY SETTINGS*

UNIT

 

 

 

 

 

MOTOR PULLEY TURNS OPEN

 

 

 

 

579F

0

1/2

1

11/2

2

 

21/2

3

31/2

4

41/2

5

51/2

6

180† (208/230 and 460-v)

††

††

1179

1150

1121

 

1093

1064

1035

1006

978

949

920

891

180**

††

††

1559

1522

1488

 

1455

1422

1389

1356

1323

1289

1256

1227

180† (575-v)

††

††

1429

1403

1376

 

1349

1323

1296

1269

1242

1215

1188

1159

216†

††

††

1095

1077

1058

 

1040

1021

1002

984

965

947

928

910

216**

††

††

1287

1265

1243

 

1222

1200

1178

1156

1134

1112

1091

1069

240†

††

††

1225

1209

1187

 

1165

1143

1120

1098

1076

1053

1031

1002

240**

††

††

1458

1434

1407

 

1381

1354

1328

1301

1275

1248

1222

1193

300†

††

††

1283

1269

1247

 

1225

1203

1182

1160

1138

1116

1095

1066

300**

††

††

1551

 

1524

1497

1470

1443

1415

1388

1361

1332

*Approximate fan rpm shown. †Indicates standard drive package. **Indicates alternate drive package.

††Due to belt and pulley size, pulley cannot be set to this number of turns open.

164

Page 164
Image 164
Bryant 581A/B manual Altitude Compensation 579F180-300, LP Gas Units, Outdoor Sound Power, FAN RPM AT Motor Pulley Settings

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.

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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.