Carrier SINGLE PACKAGE ROOFTOP UNITS 48PG20-28 User Manual

Page 28

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Table 14 — Fan Performance — 48PGD20 — Horizontal Supply and Return Units

LEGEND

Boldface indicates field-supplied motor/drive required.

NOTES:
1. Motor drive ranges:

(E) Low Range: Not Used
(F) Mid-Low Range: 896-1227 rpm, 4.26 bhp (208/230 and 460-v), 873-1108 rpm, 5.75 bhp (575-v)
(G) Mid-High Range: 1113-1414 rpm, 5.75 bhp
(H) High Range: 1096-1339 rpm, 8.63 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

5000

862

2.65

917

2.93

969

3.21

1019

3.17

1066

3.52

5500

937

3.26

988

3.56

1036

3.53

1083

3.90

1127

4.28

6000

1013

3.58

1060

3.96

1105

4.35

1149

4.75

1191

5.16

6500

1089

4.48

1133

4.89

1175

5.31

1216

5.73

1256

6.17

7000

1166

5.52

1207

5.96

1247

6.41

1285

6.86

1323

7.32

7500

1243

6.71

1282

7.18

1319

7.66

1355

8.14

1391

8.63

8000

1320

8.07

1356

8.57

1392

9.08

8500

1398

9.60

9000

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

5000

1112

3.88

1156

4.25

1199

4.63

1240

5.02

1280

5.42

5500

1171

4.67

1212

5.06

1253

5.47

1292

5.88

1331

6.30

6000

1232

5.57

1271

6.00

1310

6.43

1348

6.87

1384

7.31

6500

1295

6.61

1333

7.06

1369

7.52

7000

1360

7.80

1396

8.27

7500

8000

8500

9000

Bhp — Brake Horsepower Input to Fan

F

F

F

F

F

G

G

G

G

G

H

H

H

H

H

H

H

H

H

H

G

G

G

G

G

F

F

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