Bryant 549B User Manual

Page 21

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21

Table 9 — Fan Rpm at Motor Pulley Settings*

*Approximate fan rpm shown.

†Indicates standard motor and drive package.

**Indicates high-static motor and drive package.

Table 10 — Accessory/FIOP Electric Heaters Static Pressure* (in. wg) — 549B090-120

LEGEND

FIOP — Factory-Installed Option

*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 deter-
mine blower rpm and watts.

Table 11 — Accessory/FIOP EconoMi$er IV Static Pressure* (in. wg)

LEGEND

*The static pressure must be added to external static pressure. The sum and the evaporator entering-air cfm

should be used in conjunction with the Fan Performance tables to determine indoor blower rpm and watts.

GENERAL FAN PERFORMANCE NOTES

1. Extensive motor and electrical testing on these units ensures that the full

range of the motor can be utilized with confidence. Using fan motors up
to the ratings shown will not result in nuisance tripping or premature
motor failure. Unit warranty will not be affected. For additional informa-
tion on motor performance refer to Fan Motor Performance, Table 8.

2. Values include losses for filters, unit casing, and wet coils. See Tables 10

and 11 for FIOP/accessory static pressure information.

3. Use of a field-supplied motor may affect wire sizing. Contact your Bryant

representative to verify.

4. Interpolation is permissible. Do not extrapolate.

UNIT
549B

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

090†

950

930

905

885

865

840

820

795

775

750

730

090**

1080

1060

1035

1015

990

970

950

925

905

880

860

102†

1085

1061

1036

1012

987

963

938

914

889

865

840

102**

1080

1058

1036

1014

992

970

948

926

904

882

860

120†

1080

1060

1035

1015

990

970

950

925

905

880

860

120**

1130

1112

1087

1062

1037

1212

987

962

937

912

887

862

830

COMPONENT

CFM

2250

2500

3000

3500

4000

4500

5000

5500

6000

6250

1 Heater Module

0.02

0.03

0.05

0.07

0.08

0.10

0.12

0.14

0.16

0.17

2 Heater Modules

0.03

0.05

0.07

0.09

0.12

0.14

0.16

0.19

0.21

0.20

COMPONENT

CFM

2250

2500

2750

3000

3250

3500

3750

4000

4250

4500

4750

5000

5250

6250

Vertical EconoMi$er IV

0.06

0.075

0.09

0.115

0.13

0.15

0.17

0.195

0.22

0.25

0.285

0.325

0.36

Horizontal EconoMi$er IV

0.1

0.125

0.15

0.18

0.21

0.25

0.275

0.3

0.34

0.388

FIOP — Factory-Installed Option

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