Carrier SINGLE PACKAGE ROOFTOP UNITS 48PG20-28 User Manual

Page 34

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34

Table 20 — Fan Performance — 48PGD28 — Horizontal Supply and Return Units

LEGEND

Boldface indicates field-supplied motor/drive required.

NOTES:
1. Motor drive ranges:

(E) Low Range: 687-873 rpm, 5.75 bhp
(F) Mid-Low Range: 805-1007 rpm, 5.75 bhp
(G) Mid-High Range: 941-1176 rpm, 8.63 bhp
(H) High Range: 1014-1297 rpm, 11.50 bhp
All other rpms require field-supplied motor or drive.

2. See page 36 for general fan performance notes.

AIRFLOW

(Cfm)

AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)

0.2

0.4

0.6

0.8

1.0

Rpm

Bhp

Rpm

Bhp

Rpm

Bhp

Rpm

Bhp

Rpm

Bhp

6,500

786

2.50

819

2.70

857

2.96

899

3.25

943

3.59

7,000

842

3.09

871

3.30

905

3.55

943

3.85

983

4.19

7,500

898

3.77

925

3.99

955

4.24

989

4.54

1026

4.88

8,000

955

4.55

979

4.77

1007

5.03

1037

5.33

1070

5.67

8,500

1012

5.42

1034

5.65

1059

5.92

1087

6.22

1117

6.56

9,000

1069

6.41

1090

6.65

1113

6.92

1138

7.23

1165

7.57

9,500

1127

7.51

1146

7.76

1167

8.04

1190

8.35

1215

8.69

10,000

1184

8.74

1202

8.99

1221

9.28

1243

9.59

1266

9.93

10,500

1242

10.09

1258

10.35

1276

10.64

1296

10.96

1318

11.31

11,000

1299

11.58

1315

11.85

1332

12.15

1350

12.47

1370

12.82

11,500

1357

13.20

1372

13.48

1388

13.79

12,000

12,500

AIRFLOW

(Cfm)

AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)

1.2

1.4

1.6

1.8

2.0

Rpm

Bhp

Rpm

Bhp

Rpm

Bhp

Rpm

Bhp

Rpm

Bhp

6,500

988

3.97

1035

4.39

1082

4.87

1129

5.39

1177

5.95

7,000

1024

4.57

1066

4.98

1109

5.43

1153

5.93

1197

6.48

7,500

1063

5.25

1102

5.66

1141

6.11

1181

6.59

1221

7.11

8,000

1105

6.04

1140

6.45

1176

6.89

1213

7.36

1250

7.87

8,500

1149

6.94

1181

7.34

1215

7.78

1249

8.25

1283

8.74

9,000

1194

7.94

1225

8.35

1256

8.79

1287

9.25

1319

9.74

9,500

1242

9.07

1270

9.47

1298

9.91

1328

10.37

1358

10.87

10,000

1290

10.31

1316

10.72

1343

11.16

1370

11.62

1399

12.11

10,500

1340

11.69

1364

12.10

1389

12.54

11,000

1391

13.20

11,500

12,000

12,500

Bhp

Brake Horsepower Input to Fan

E

E

E

F

F

F

F

F

G

G

G

G

G

G

G

G

G

F

H

H

H

H

H

H

H

H

H

H

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