Bryant 581B manual PERFORMANCE DATA cont, 134.3

Models: 581B

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134.3

PERFORMANCE DATA (cont)

COOLING CAPACITIES, UNITS WITH PERFECT HUMIDITY™ OPTION (cont)

581B120 (10 TONS)

Temp (F)

 

 

 

 

 

Temp (F) Air Entering Evaporator — Cfm/BF

 

 

 

 

Air Ent

 

3000/0.03

 

 

3200/0.03

 

 

4000/0.04

 

 

 

5000/0.04

 

Condenser

 

 

 

 

 

Temp (F) Air Entering Evaporator — Ewb

 

 

 

 

 

(Edb)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

72

67

62

72

 

67

62

72

67

 

62

72

67

62

 

 

 

 

 

 

75

 

TC

134.3

122.5

111.4

135.8

 

124.3

113.0

138.4

129.5

 

123.5

143.3

136.5

130.2

 

SHC

60.0

76.1

93.7

61.3

 

79.1

97.4

68.0

89.5

 

109.4

75.2

100.9

123.3

 

 

kW

7.03

6.84

6.72

7.01

 

6.89

6.77

7.10

6.92

 

6.77

7.15

7.03

6.88

85

 

TC

127.6

115.4

104.6

128.9

 

118.1

107.0

132.5

121.5

 

116.6

137.2

128.0

122.9

 

SHC

51.5

68.8

87.2

53.9

 

72.0

91.2

61.0

82.7

 

102.4

68.6

93.6

115.9

 

 

kW

7.96

7.86

7.59

7.94

 

7.78

7.51

8.02

7.84

 

7.69

8.02

7.94

7.79

95

 

TC

120.9

108.3

97.8

121.9

 

111.8

101.0

126.5

113.4

 

109.7

131.1

119.4

115.5

 

SHC

43.0

61.5

80.6

46.5

 

64.8

84.9

53.9

75.9

 

95.4

62.0

86.2

108.4

 

 

kW

8.88

8.87

8.46

8.86

 

8.66

8.26

8.94

8.76

 

8.60

8.89

8.85

8.69

105

 

TC

112.0

99.9

90.4

113.1

 

103.2

93.4

117.2

105.0

 

100.7

122.1

110.5

105.9

 

SHC

36.1

54.1

73.8

38.8

 

57.8

78.9

45.6

68.2

 

86.8

53.0

78.3

99.7

 

 

kW

10.0

10.0

9.6

10.0

 

9.8

9.5

10.1

9.9

 

9.8

10.1

10.0

9.9

115

 

TC

103.0

91.5

83.1

104.3

 

94.6

85.9

107.8

96.7

 

91.7

113.0

101.6

96.4

 

SHC

29.2

46.7

66.9

31.2

 

50.7

72.9

37.3

60.6

 

78.3

44.0

70.3

90.9

 

 

kW

11.2

11.1

10.8

11.2

 

11.0

10.7

11.3

11.1

 

11.0

11.3

11.2

11.1

125

 

TC

94.1

83.1

75.7

95.5

 

86.0

78.3

98.5

88.3

 

82.7

104.0

92.7

86.8

 

SHC

22.3

39.3

60.1

23.5

 

43.7

66.8

29.0

52.9

 

69.7

35.0

62.4

82.2

 

 

kW

12.35

12.15

11.94

12.38

 

12.13

11.92

12.48

12.27

 

12.25

12.53

12.30

12.28

 

 

 

 

 

 

 

 

 

 

 

 

 

 

581B150 (121/2 TONS)

 

 

 

 

 

 

 

 

 

 

 

 

 

Temp (F)

 

 

 

 

 

Temp (F) Air Entering Evaporator — Cfm/BF

 

 

 

 

Air Ent

 

3750/0.08

 

 

4300/0.09

 

 

5000/0.11

 

 

 

6250/0.13

 

Condenser

 

 

 

 

 

Temp (F) Air Entering Evaporator — Ewb

 

 

 

 

 

(Edb)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

72

67

62

72

 

67

62

72

67

 

62

72

67

62

 

 

 

 

 

 

 

 

TC

156.3

144.2

132.3

160.0

 

148.4

136.2

162.8

150.6

 

138.2

169.0

157.5

145.6

75

 

SHC

66.6

87.6

112.1

72.5

 

94.8

121.3

76.9

99.6

 

127.5

87.0

115.5

142.7

 

 

kW

9.28

8.98

8.59

9.35

 

9.08

8.80

9.40

9.18

 

8.9

9.43

9.18

8.93

 

 

TC

147.6

136.2

123.7

150.7

 

140.1

127.2

154.1

140.8

 

127.9

161.1

148.0

135.4

85

 

SHC

58.7

80.0

103.8

63.5

 

86.5

112.2

68.7

91.0

 

118.1

77.7

107.8

133.2

 

 

kW

10.29

9.93

9.58

10.36

 

10.08

9.77

10.40

10.34

 

10.03

10.45

10.18

9.88

 

 

TC

138.9

128.2

115.1

141.4

 

131.8

118.3

145.3

131.0

 

117.6

153.1

138.4

125.1

95

 

SHC

50.8

72.3

95.5

54.4

 

78.1

103.2

60.5

82.3

 

108.7

68.5

100.0

123.7

 

 

kW

11.29

10.87

10.57

11.37

 

11.08

10.74

11.40

11.50

 

11.1

11.46

11.17

10.83

 

 

TC

129.1

117.8

105.8

131.7

 

121.0

108.7

134.8

119.9

 

107.7

140.9

126.9

115.9

105

 

SHC

42.1

63.5

86.5

45.4

 

69.0

93.9

51.2

74.2

 

101.3

57.7

90.2

113.6

 

 

kW

12.59

12.14

11.82

12.67

 

12.34

11.96

12.70

12.67

 

12.28

12.79

12.46

12.08

 

 

TC

119.2

107.3

96.4

122.1

 

110.2

99.0

124.2

108.8

 

97.8

128.7

115.3

106.7

115

 

SHC

33.5

54.8

77.5

36.4

 

59.8

84.7

41.9

66.1

 

93.8

46.8

80.5

103.5

 

 

kW

13.90

13.40

13.08

13.98

 

13.59

13.18

14.00

13.83

 

13.41

14.11

13.75

13.33

 

 

TC

109.4

96.9

87.1

112.4

 

99.4

89.3

113.7

97.7

 

87.8

116.5

103.8

97.5

125

 

SHC

24.8

46.0

68.5

27.4

 

50.7

75.5

32.6

58.0

 

86.4

36.0

70.7

93.5

 

 

kW

15.20

14.67

14.33

15.28

 

14.85

14.40

15.30

15.00

 

14.54

15.44

15.04

14.58

LEGEND

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

kW — Compressor Motor Power Input

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:

tldb

= tedb

 

sensible capacity (Btuh)

 

 

1.10 x cfm

 

 

 

 

tlwb

= Wet-bulb temperature corresponding to enthalpy of air

 

leaving evaporator coil (hlwb)

hlwb

= hewb

 

total capacity (Btuh)

 

 

4.5 x cfm

 

 

 

 

Where: hewb = Enthalpy of air entering evaporator coil.

3.The SHC is based on 80 F edb temperature of air entering evapo- rator coil.

Below 80 F edb, subtract (corr factor x cfm) from SHC. Above 80 F edb, add (corr factor x cfm) to SHC. Correction Factor = 1.10 x (1 – BF) x (edb – 80).

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Bryant 581B manual PERFORMANCE DATA cont, 134.3