150

PERFORMANCE DATA

COOLING CAPACITIES

558F036-

558F036 (3 TONS)

Temp (F)

 

 

 

Air Entering Evaporator — Cfm/BF

 

 

 

Air Entering

 

900/0.11

 

1200/0.14

 

1500/0.17

 

Condenser

 

 

 

Air Entering Evaporator — Ewb (F)

 

 

 

(Edb)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

72

 

67

62

72

 

67

 

62

72

 

67

 

62

 

 

 

 

 

 

 

 

TC

42.8

 

38.9

35.0

44.8

 

40.8

 

37.0

45.8

 

41.9

 

38.2

75

SHC

20.0

 

24.5

28.7

21.8

 

27.5

 

32.8

23.0

 

30.0

 

36.0

 

kW

2.91

 

2.81

2.70

2.99

 

2.88

 

2.78

3.02

 

2.92

 

2.82

 

TC

40.8

 

36.9

33.3

42.5

 

38.7

 

35.0

43.6

 

39.9

 

36.1

85

SHC

19.4

 

23.7

27.9

21.0

 

26.8

 

31.8

22.6

 

29.7

 

35.1

 

kW

3.14

 

3.01

2.90

3.20

 

3.08

 

2.97

3.24

 

3.14

 

3.02

95

TC

38.7

 

34.9

31.4

40.4

 

36.6

 

33.0

41.4

 

37.6

 

34.1

SHC

18.6

 

22.9

27.0

20.3

 

26.0

 

30.9

22.0

 

28.8

 

34.0

 

kW

3.35

 

3.21

3.09

3.42

 

3.29

 

3.16

3.47

 

3.35

 

3.22

 

TC

36.5

 

32.8

29.2

38.1

 

34.3

 

30.9

39.0

 

35.2

 

32.4

105

SHC

17.8

 

22.1

25.9

19.6

 

25.2

 

29.8

21.2

 

28.0

 

32.3

 

kW

3.55

 

3.41

3.27

3.63

 

3.49

 

3.35

3.68

 

3.54

 

3.43

 

TC

34.3

 

30.7

26.9

35.7

 

32.1

 

28.8

36.5

 

32.9

 

30.6

115

SHC

17.0

 

21.3

24.8

19.0

 

24.4

 

28.8

20.5

 

27.1

 

30.6

 

kW

3.76

 

3.60

3.45

3.84

 

3.68

 

3.54

3.88

 

3.74

 

3.64

 

 

 

 

 

 

 

 

 

 

 

 

 

 

558F048 (4 TONS)

 

 

 

 

 

 

 

 

 

 

 

 

 

Temp (F)

 

 

 

Air Entering Evaporator — Cfm/BF

 

 

 

Air Entering

 

1200/0.12

 

1600/0.15

 

2000/0.18

 

Condenser

 

 

 

Air Entering Evaporator — Ewb (F)

 

 

 

(Edb)

 

 

 

 

 

 

 

 

72

 

67

62

72

 

67

 

62

72

 

67

 

62

75

TC

57.9

 

53.1

48.3

60.4

 

55.9

 

51.3

62.2

 

57.3

 

52.9

SHC

27.2

 

33.3

39.2

29.4

 

37.2

 

44.8

31.4

 

40.3

 

49.1

 

kW

4.07

 

3.93

3.79

4.17

 

4.03

 

3.90

4.24

 

4.08

 

3.96

85

TC

55.7

 

50.8

45.3

57.7

 

53.4

 

48.5

59.4

 

55.0

 

50.2

SHC

26.4

 

32.5

37.8

28.4

 

36.7

 

43.6

30.5

 

40.3

 

47.9

 

kW

4.40

 

4.24

4.08

4.47

 

4.35

 

4.20

4.54

 

4.42

 

4.25

95

TC

52.9

 

48.1

42.5

55.2

 

50.5

 

45.7

56.7

 

52.0

 

47.4

SHC

25.5

 

31.5

36.4

27.6

 

35.6

 

42.2

29.7

 

39.2

 

46.7

 

kW

4.70

 

4.54

4.36

4.78

 

4.63

 

4.47

4.87

 

4.70

 

4.56

105

TC

50.1

 

45.3

39.8

52.3

 

47.6

 

42.8

53.6

 

48.9

 

44.9

SHC

24.4

 

30.3

35.1

26.7

 

34.5

 

40.7

28.8

 

38.1

 

44.6

 

kW

5.00

 

4.81

4.62

5.10

 

4.91

 

4.73

5.17

 

4.99

 

4.84

115

TC

47.3

 

42.6

37.2

49.3

 

44.6

 

40.0

50.5

 

45.9

 

42.4

SHC

23.4

 

29.2

33.7

25.9

 

33.3

 

39.3

27.8

 

37.1

 

42.4

 

kW

5.30

 

5.07

4.88

5.42

 

5.19

 

4.99

5.48

 

5.28

 

5.12

 

 

 

 

 

 

 

 

 

 

 

 

 

 

558F060 (5 TONS)

 

 

 

 

 

 

 

 

 

 

 

 

 

Temp (F)

 

 

 

Air Entering Evaporator — Cfm/BF

 

 

 

Air Entering

 

1500/0.07

 

2000/0.09

 

2500/0.12

 

Condenser

 

 

 

Air Entering Evaporator — Ewb (F)

 

 

 

(Edb)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

72

 

67

62

72

 

67

 

62

72

 

67

 

62

 

 

 

 

 

 

 

75

TC

71.0

 

63.8

55.4

74.5

 

67.2

 

59.2

76.5

 

69.7

 

62.1

SHC

33.9

 

41.5

47.9

37.4

 

47.4

 

55.8

40.6

 

52.8

 

61.8

 

kW

5.04

 

4.82

4.62

5.20

 

4.97

 

4.76

5.29

 

5.06

 

4.87

85

TC

69.2

 

61.0

54.2

72.9

 

65.6

 

57.2

75.2

 

68.1

 

61.5

SHC

33.4

 

40.5

47.3

37.0

 

46.9

 

54.9

40.1

 

52.3

 

61.3

 

kW

5.50

 

5.27

5.02

5.66

 

5.41

 

5.18

5.75

 

5.50

 

5.29

 

TC

65.5

 

56.6

50.4

69.4

 

60.9

 

53.1

71.2

 

63.3

 

57.8

95

SHC

32.1

 

38.8

45.6

35.8

 

45.3

 

52.6

39.1

 

50.9

 

57.8

 

kW

5.88

 

5.62

5.37

6.01

 

5.76

 

5.53

6.12

 

5.87

 

5.67

105

TC

61.9

 

53.1

47.1

65.4

 

56.6

 

50.5

67.1

 

58.8

 

54.5

SHC

30.8

 

37.5

44.1

34.5

 

43.7

 

50.2

37.9

 

49.3

 

54.5

 

kW

6.25

 

5.99

5.72

6.38

 

6.13

 

5.91

6.50

 

6.23

 

6.06

115

TC

58.2

 

49.7

43.7

61.4

 

52.3

 

47.8

63.0

 

54.3

 

51.2

SHC

29.5

 

36.1

42.5

33.2

 

42.1

 

47.8

36.7

 

47.6

 

51.2

 

kW

6.63

 

6.35

6.08

6.75

 

6.49

 

6.29

6.88

 

6.59

 

6.46

Standard Ratings

LEGEND

BF — Bypass Factor Edb — Entering Dry-Bulb Ewb — Entering Wet-Bulb

kW — Compressor Motor Power Input Ldb — Leaving Dry-Bulb

Lwb — Leaving Wet-Bulb

SHC — Sensible Heat Capacity (1000 Btuh) Gross TC — Total Capacity (1000 Btuh) Gross

NOTES:

1.Direct interpolation is permissible. Do not extrapolate.

2.The following formulas may be used:

t ldb

= t edb sensible capacity (Btuh)

 

 

1.10 x cfm

tlwb

= Wet-bulb temperature corresponding to enthalpy of air leaving evapora-

 

tor coil (hlwb )

hlwb

=hewb

total capacity (Btuh)

 

4.5 x cfm

 

 

Where: h ewb = Enthalpy of air entering evaporator coil

3.The SHC is based on 80 F edb temperature of air entering evaporator coil. Below 80 F edb, subtract (corr factor x cfm) from SHC.

Above 80 F edb, add (corr factor x cfm) to SHC.

BYPASS

 

ENTERING AIR DRY-BULB TEMP (F)

79

78

77

76

75

under 75

FACTOR

 

 

 

 

 

 

81

82

83

84

85

over 85

(BF)

 

 

 

Correction Factor

 

.05

1.04

2.07

3.11

4.14

5.18

 

.10

.98

1.96

2.94

3.92

4.90

Use formula

.20

.87

1.74

2.62

3.49

4.36

shown below.

.30

.76

1.53

2.29

3.05

3.82

 

Interpolation is permissible.

Correction Factor = 1.10 x (1 - BF) x (edb - 80).

36

Page 36
Image 36
Bryant 551B, 551A manual Performance Data, Cooling Capacities, 558F036, over

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