Outdoor sound power, Accessory/fiop static pressure, Fan rpm at motor pulley settings – Bryant 581C User Manual

Page 195

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195

PERFORMANCE DATA — 579F (cont)

ALTITUDE COMPENSATION — 579F180-300

(LP Gas Units)

OUTDOOR SOUND POWER

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

LEGEND

*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*

*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.

ELEVATION

(ft)

LIQUID PROPANE ORIFICE SIZE

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

UNIT
579F

SOUND

RATING

(60 Hz)

A-WEIGHTED

(dB)

OCTAVE BANDS

63

125

250

500

1000

2000

4000

8000

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

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

FIOP — Factory-Installed Option

UNIT
579F

MOTOR PULLEY TURNS OPEN

0

1

/

2

1

1

1

/

2

2

2

1

/

2

3

3

1

/

2

4

4

1

/

2

5

5

1

/

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

579

F18

0

-300

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