Bryant manual PHYSICAL DATA — 549B036-072, 549B, 549C, Scroll, Type, Cleanable, Throwaway

Models: 549C

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PHYSICAL DATA — 549B036-072

PHYSICAL DATA — 549B036-072

UNIT SIZE 549B

 

036

 

048

 

060

 

072

NOMINAL CAPACITY (tons)

 

3

 

4

 

5

 

6

OPERATING WEIGHT (lb)

 

 

 

 

 

630

 

 

Unit

 

550

 

560

 

 

630

EconoMi$erIV

 

50

 

50

 

50

 

50

Roof Curb

 

115

 

115

 

115

 

115

COMPRESSOR

 

 

 

 

Scroll

 

Quantity

 

1

 

1

 

1

 

1

Oil (oz)

 

42

 

42

 

53

 

80

REFRIGERANT TYPE

 

 

 

 

R-

22

 

 

Operating Charge (lb)

 

12.0

 

12.0

 

18.3

 

17.7

OUTDOOR COIL

 

Enhanced Copper Tubes, Aluminum Fins, Fixed Orifice Metering Device

Rows...Fins/in.

 

2...17

 

2...17

 

2...17

 

2...17

Total Face Area (sq ft)

 

16.53

 

16.53

 

21.25

 

21.25

OUTDOOR FAN

 

 

 

Propeller

Type

 

 

Quantity...Diameter (in.)

 

1...22

 

1...22

 

1...22

 

1...22

Nominal Cfm

 

3500

 

3500

 

3500

 

3500

Motor Hp...Rpm

 

1/8...825

 

1/8...825

 

1/4...1100

 

1/4...1100

INDOOR COIL

 

Enhanced Copper Tubes, Aluminum Double-Wavy Fins, Fixed Orifice Metering Device

Rows...Fins/in.

 

2...15

 

3...15

 

4...15

 

4...15

Total Face Area (sq ft)

 

5.5

 

5.5

 

7.33

 

7.33

INDOOR FAN

 

 

 

Centrifugal

Type

 

 

Quantity...Size (in.)

Std

1...10 x 10

 

1...10 x 10

 

1...10 x 10

 

1...10 x 10

Type Drive

High-Static

1...10 x 10

 

1...10 x 10

 

1...10 x 10

 

1...10 x 10

Std

Belt

 

Belt

 

Belt

 

Belt

Nominal Cfm

High-Static

Belt

 

Belt

 

Belt

 

Belt

Std

1200

 

1600

 

2000

 

2400

Maximum Continuous Bhp

1.20

 

1.20

 

1.30/2.40*

 

2.40

Motor Frame Size

High-Static

2.40

 

2.40

 

2.90

 

2.90

Std

48

 

48

 

56

 

56

Nominal Rpm High/Low

High-Static

56

 

56

 

56

 

56

Std

1620

 

1620

 

1725

 

Fan Rpm Range

High-Static

1725

 

1725

 

1725

 

1725

Std

680-1044

 

770-1185

 

1035-1460

 

1119-1585

Motor Bearing Type

High-Static

1075-1455

 

1075-1455

 

1300-1685

 

1300-1685

 

Ball

 

Ball

 

Ball

 

Ball

Maximum Allowable Rpm

Std

2100

 

2100

 

2100

 

2100

Motor Pulley Pitch Diameter Min/Max (in.)

1.9/2.9

 

1.9/2.9

 

2.4/3.4

 

2.4/3.4

 

High-Static

2.8/3.8

 

2.8/3.8

 

3.4/4.4

 

3.4/4.4

Nominal Motor Shaft Diameter (in.)

Std

1/2

 

1/2

 

5/8

 

5/8

Fan Pulley Pitch Diameter (in.)

High-Static

5/8

 

5/8

 

5/8

 

5/8

Std

4.5

 

4.0

 

4.5

 

3.7

Belt, Quantity...Type...Length (in.)

High-Static

4.5

 

4.5

 

4.5

 

4.5

Std

1...A...34

 

1...A...34

 

1...A...39

 

1...A...40

Pulley Center Line Distance (in.)

High-Static

1...A...39

 

1...A...39

 

1...A...40

 

1...A...40

Std

10.0-12.4

 

10.0-12.4

 

14.7-15.5

 

14.7-15.5

Speed Change per Full Turn of

High-Static

10.0-12.4

 

10.0-12.4

 

14.7-15.5

 

14.7-15.5

Std

48

 

70

 

80

 

80

Movable Pulley Flange (rpm)

 

 

 

Movable Pulley Maximum Full Turns

High-Static

65

 

65

 

60

 

60

Std

5

 

5

 

6

 

5

From Closed Position

 

 

 

Factory Setting

High-Static

6

 

6

 

5

 

5

Std

3

 

3

 

3

 

3

Factory Speed Setting (rpm)

High-Static

31/2

 

31/2

 

31/2

 

31/2

Std

826

 

936

 

1249

 

1305

Fan Shaft Diameter at Pulley (in.)

High-Static

1233

 

1233

 

1416

 

1416

 

5/8

 

5/8

 

5/8

 

5/8

HIGH-PRESSURE SWITCH (psig)

 

 

 

 

 

 

 

 

Standard Compressor Internal Relief

 

 

 

 

625

 

 

Cutout

 

 

 

 

428

 

 

Reset (Auto.)

 

 

 

 

320

 

 

LOSS OF CHARGE (Low-Pressure Switch)

 

 

 

 

 

 

 

 

(Liquid Line) (psig)

 

 

 

 

 

 

 

 

Cutout

 

 

 

 

7 ± 3

 

 

Reset (Auto.)

 

 

 

 

22 ± 5

 

 

FREEZE PROTECTION THERMOSTAT

 

 

 

 

 

 

 

 

Opens (F)

 

 

 

 

30

 

 

Closes (F)

 

 

 

 

45

 

 

OUTDOOR-AIR INLET SCREENS

 

 

 

Cleanable.

 

 

 

 

Screen quantity and size varies with option selected.

 

RETURN-AIR FILTERS

 

 

 

Throwaway

 

Quantity...Size (in.)

 

 

 

2...16 x 25 x 2

 

LEGEND

Bhp — Brake Horsepower *Single phase/three phase.

549B, 549C

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Page 73
Image 73
Bryant manual PHYSICAL DATA — 549B036-072, 549B, 549C, Scroll, Type, Cleanable, Throwaway