Bryant CK5B, CK5A Gross Cooling Capacities MBH, Entering AIR DRY Bulb Temperature F, Factor

Page 5

GROSS COOLING CAPACITIES (MBH) Continued

 

INDOOR COIL

 

 

 

SATURATED TEMPERATURE LEAVING EVAPORATOR (°F)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

UNIT

AIR

 

30

 

 

35

 

 

40

 

 

45

 

 

50

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SIZE

CFM

EWB

TC

SHC

BF

TC

SHC

BF

TC

SHC

BF

TC

SHC

BF

TC

SHC

BF

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

72

101.0

46.7

0.00

90.8

42.2

0.00

80.4

37.6

0.12

69.1

33.0

0.08

56.0

28.0

0.07

 

1600

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

67

83.8

49.9

0.07

73.5

45.2

0.07

63.1

40.5

0.06

51.1

35.3

0.06

38.0

29.8

0.08

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

62

68.7

53.0

0.07

58.2

48.0

0.07

47.7

43.0

0.07

38.2

37.6

0.11

31.6

31.6

0.24

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

A060

 

72

113.0

52.2

0.00

102.0

47.4

0.00

90.4

42.6

0.14

77.5

37.5

0.11

63.5

32.3

0.10

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

N060

2000

67

94.0

56.8

0.10

82.6

51.8

0.10

71.2

46.8

0.09

58.5

41.3

0.10

43.7

35.2

0.11

T060

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

62

77.0

61.2

0.09

66.0

56.0

0.10

55.1

50.7

0.10

45.0

44.7

0.15

37.3

37.3

0.28

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

72

123.0

56.6

0.26

111.0

51.6

0.21

98.4

46.7

0.16

84.2

41.2

0.13

69.4

35.8

0.13

 

2400

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

67

103.0

62.8

0.13

89.9

57.4

0.13

77.3

52.0

0.12

64.3

46.5

0.12

48.3

40.0

0.14

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

62

83.0

68.4

0.11

72.2

63.0

0.12

61.4

57.5

0.13

51.1

51.1

0.18

42.5

42.5

0.32

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

72

106.0

49.0

0.00

94.4

44.0

0.00

83.1

39.0

0.07

71.6

34.3

0.05

58.4

29.1

0.06

 

1600

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

67

85.7

51.3

0.05

75.4

46.5

0.05

65.1

41.7

0.05

52.9

36.4

0.05

39.8

30.9

0.07

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

62

70.8

54.8

0.04

59.6

49.2

0.05

48.4

43.7

0.06

38.0

37.2

0.13

31.1

31.1

0.26

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

72

116.0

53.7

0.18

105.0

49.2

0.14

94.7

44.7

0.10

81.6

39.5

0.08

67.3

34.0

0.08

X060

2000

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

67

97.6

59.1

0.07

86.1

54.0

0.07

74.5

48.8

0.07

61.4

43.1

0.07

46.4

36.9

0.09

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

62

80.0

64.0

0.05

68.4

58.1

0.07

56.8

52.1

0.09

45.0

44.7

0.16

37.4

37.4

0.29

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

72

128.0

59.4

0.17

116.0

54.4

0.15

104.0

49.4

0.12

89.9

43.9

0.10

74.1

38.0

0.10

 

2400

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

67

108.0

66.0

0.09

94.7

60.4

0.09

81.8

54.7

0.10

67.9

48.8

0.10

51.9

42.3

0.11

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

62

86.4

71.3

0.08

75.0

65.4

0.10

63.6

59.5

0.12

52.1

52.1

0.17

43.3

43.3

0.31

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CFM — Cubic Ft per Minute

EWB — Entering Wet Bulb (°F)

LWB — Leaving Wet Bulb (°F)

TC — Total Cooling Capacity 1000 Btuh

SHC — Total Sensible Capacity 1000 Btuh

BF — Bypass Factor

MBH —1000 Btuh

NOTES:

1.Contact manufacturer for cooling capacities at conditions other than shown in table.

2.Formulas:

Leaving db = entering db — sensible heat cap.

1.09x CFM

Leaving wb = wb corresponding to enthalpy of air leaving coil (hLWB)

3.Direct interpolation is permissible. Do not extrapolate.

4.SHC is based on 80°F db temperature of air entering coil. Below 80°F db, subtract (Correction Factor x CFM) from SHC. Above 80°F db, add (Correction Factor x CFM) to SHC.

5.All data points are based on 10°F superheat leaving coil.

6.Bypass Factor = 0 indicates no psychometric solution. Use bypass factor of next lower EWB for approximation.

 

ENTERING AIR DRY BULB TEMPERATURE (°F)

 

 

 

 

 

 

 

 

79

78

77

76

75

Under 75

 

 

 

 

 

 

 

BYPASS

81

82

83

84

84

Over 85

 

 

 

 

 

 

FACTOR

 

 

Correction Factor

 

 

 

 

 

 

 

 

0.10

0.98

1.96

2.94

3.92

4.91

Use formula

0.20

0.87

1.74

2.62

3.49

4.36

shown below

0.30

0.76

1.53

2.29

3.05

3.82

 

 

 

 

 

 

 

 

Interpolation is permissible.

hLWB = hEWB

total capacity (Btuh)

 

Correction Factor = 1.09 x (1 – BF) x (db – 80)

4.5 x CFM

 

 

 

where hEWB = enthalpy of air entering coil.

 

—5—

Image 5
Contents Form No. PDS CK5A.18.1 Sizes A018 thru A060Model Number Nomenclature Unit DimensionsWeight LB W036 Gross Cooling Capacities MBHN042 1400 W048Factor Entering AIR DRY Bulb Temperature FGross Cooling Capacities MBH Coil Static Pressure Drop In. WC FACTORY-INSTALLEDIndoor Coil Pistons Unit Size Bulb AIR Quantity CFMPage Packaged Service Training Unit Familiarization Maintenance Installation Overview

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