Bryant 524J Manual de usuario descargar pdf (Pagina 32)

Legend and Notes for Tables 10A and 10C

LEGEND

Bhp --- Brake Horsepower Input to Fan

ESP --- External Static Pressure

NOTES:

1. Maximum al lowable fa n speed for size 25 units is 1200 rpm . Maximum

allowable fan speed for size 28 a nd 30 units is 1100 rpm.

2. Fan performance is based on deductions for wet coil, clean 2-in. filters,

and unit casi ng . See table at right for factory-s up pli ed filter press ure drop.

3. Refer to fan motor and drive tables for additional data.

FACTORY-SUPPLIED PRESSURE DROP — ENGLISH

UNIT

AIRFLOW

(Cfm)

PRESSURE DROP

(in. wg)

524J*25A

524J*25H

6,000 0.12

8,000 0.19

10,000 0.26

524J*28A

7,500 0.15

10,000 0.22

12,500 0.30

524J*30A

9,000 0.19

12,000 0.29

15,000 0.40

Legend and Notes for Tables 10B and 10D

LEGEND

ESP --- External Static Pressure

NOTES:

1. Maximumallowablefanspeedforsize25unitsis20r/s.Maximum

allowable fan speed for size 28 and 30 units is 18.3 r/s.

2. Fanperformanceisbasedondeductionsforwetcoil,clean51---mm

filters, and un it casing. See table at right for factory-supplied filter

pressure drop.

3. Refer to fan motor and drive tables for additional data.

FACTORY-SUPPLIED PRESSURE DROP — SI

UNIT

AIRFLOW

(L/s)

PRESSURE DROP

(Pa)

524J*25A

524J*25H

2900 32

3800 47

4700 64

524J*28A

3500 36

4700 55

5900 76

524J*30A

4250 47

5650 71

7050 98

524J

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Bryant 524J Manual de usuario Pagina 32

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