Carrier SINGLE PACKAGE ROOFTOP UNITS 48PG20-28 User Manual

Page 32

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32

Table 18 — Fan Performance — 48PGE24 — 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

5,500

952

3.38

1003

3.32

1053

3.70

1100

4.09

1145

4.49

6,000

1029

3.74

1077

4.15

1123

4.56

1167

4.98

1210

5.41

6,500

1106

4.67

1151

5.11

1194

5.56

1236

6.01

1276

6.47

7,000

1184

5.75

1226

6.23

1266

6.71

1306

7.19

1344

7.68

7,500

1262

7.00

1302

7.50

1340

8.01

1377

8.53

8,000

1341

8.41

1378

8.95

8,500

9,000

9,500

10,000

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

5,500

1189

4.90

1232

5.31

1273

5.72

1313

6.15

1352

6.58

6,000

1251

5.85

1292

6.29

1331

6.74

1369

7.19

6,500

1315

6.94

1354

7.41

1391

7.89

7,000

1381

8.18

7,500

8,000

8,500

9,000

9,500

10,000

Bhp

Brake Horsepower Input to Fan

F

F

F

F

G

G

G

G

G

G

G

G

H

H

H

H

H

H

H

H

H

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