PERFORMANCE DATA (cont)

COOLING CAPACITIES (cont)

580F120 (10 TONS)

Temp (F)

 

 

 

 

 

 

 

 

 

Air Entering Evaporator — Cfm/BF

 

 

 

 

 

 

 

Air Entering

 

 

3000/0.095

 

 

 

 

4000/0.125

 

 

 

 

5000/0.15

 

 

Condenser

 

 

 

 

 

 

 

 

 

Air Entering Evaporator — Ewb (F)

 

 

 

 

 

 

 

 

(Edb)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

72

 

 

 

67

62

 

72

 

 

67

62

 

72

 

 

67

 

62

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TC

135.8

 

 

124.8

112.0

 

142.4

 

 

130.6

119.8

 

146.5

 

 

134.2

 

123.7

75

 

 

SHC

66.8

 

 

82.6

97.4

 

73.2

 

 

93.4

112.7

 

79.7

 

 

104.4

 

123.1

 

 

 

kW

9.76

 

 

9.41

9.10

 

10.00

 

 

9.61

9.27

 

10.17

 

 

9.75

 

9.41

 

 

 

TC

130.0

 

 

119.6

104.0

 

136.0

 

 

125.0

114.5

 

140.0

 

 

127.9

 

118.8

85

 

 

SHC

64.3

 

 

80.5

93.8

 

71.1

 

 

91.7

110.2

 

77.5

 

 

101.8

 

118.7

 

 

 

kW

10.41

 

 

10.07

9.74

 

10.67

 

 

10.28

9.94

 

10.84

 

 

10.41

 

10.09

95

 

 

TC

124.1

 

 

113.7

96.7

 

129.5

 

 

118.9

106.9

 

132.8

 

 

122.0

 

114.1

 

 

SHC

62.2

 

 

78.4

90.0

 

69.1

 

 

89.8

105.9

 

74.9

 

 

100.1

 

114.0

 

 

 

kW

11.13

 

 

10.78

10.40

 

11.38

 

 

10.99

10.63

 

11.52

 

 

11.14

 

10.83

 

 

 

TC

118.1

 

 

104.6

87.9

 

122.7

 

 

111.8

98.5

 

126.0

 

 

115.1

 

108.0

105

 

 

SHC

60.4

 

 

74.9

85.2

 

66.9

 

 

87.7

98.5

 

73.1

 

 

98.3

 

108.0

 

 

 

kW

11.93

 

 

11.52

11.10

 

12.13

 

 

11.74

11.41

 

12.27

 

 

11.89

 

11.65

 

 

 

TC

115.0

 

 

98.0

84.2

 

120.0

 

 

103.8

93.4

 

122.6

 

 

109.8

 

102.8

115

 

 

SHC

59.4

 

 

72.4

83.4

 

66.4

 

 

84.8

93.4

 

72.8

 

 

96.9

 

102.8

 

 

 

kW

12.26

 

 

11.82

11.40

 

12.48

 

 

12.06

11.78

 

12.60

 

 

12.20

 

12.00

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

580F121 (10 TONS)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Temp (F)

 

 

 

 

 

 

 

 

 

Air Entering Evaporator — Cfm/BF

 

 

 

 

 

 

 

Air Entering

 

 

3000/0.095

 

 

 

 

4000/0.125

 

 

 

 

5000/0.15

 

 

Condenser

 

 

 

 

 

 

 

 

 

Air Entering Evaporator — Ewb (F)

 

 

 

 

 

 

 

 

(Edb)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

72

 

 

 

67

62

 

72

 

 

67

62

 

72

 

 

67

 

62

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TC

138.2

 

 

127.0

114.0

 

145.0

 

 

132.9

122.0

 

149.1

 

 

136.6

 

125.9

75

 

 

SHC

68.0

 

 

84.1

99.1

 

74.5

 

 

95.1

114.7

 

81.1

 

 

106.3

 

125.3

 

 

 

kW

8.37

 

 

8.07

7.80

 

8.57

 

 

8.24

7.95

 

8.72

 

 

8.36

 

8.07

 

 

 

TC

132.3

 

 

121.7

105.9

 

138.4

 

 

127.2

116.6

 

142.5

 

 

130.2

 

120.9

85

 

 

SHC

65.5

 

 

81.9

95.5

 

72.4

 

 

93.3

112.2

 

78.9

 

 

103.6

 

120.8

 

 

 

kW

8.92

 

 

8.63

8.35

 

9.15

 

 

8.81

8.52

 

9.29

 

 

8.92

 

8.65

95

 

 

TC

126.3

 

 

115.7

98.4

 

131.8

 

 

121.0

108.8

 

135.2

 

 

124.2

 

116.1

 

 

SHC

63.3

 

 

79.8

91.6

 

70.3

 

 

91.4

107.8

 

76.2

 

 

101.9

 

116.0

 

 

 

kW

9.54

 

 

9.24

8.91

 

9.75

 

 

9.42

9.11

 

9.87

 

 

9.55

 

9.28

 

 

 

TC

120.2

 

 

106.5

89.5

 

124.9

 

 

113.8

100.3

 

128.3

 

 

117.2

 

109.9

105

 

 

SHC

61.5

 

 

76.2

86.7

 

68.1

 

 

89.3

100.3

 

74.4

 

 

100.1

 

109.9

 

 

 

kW

10.23

 

 

9.87

9.51

 

10.40

 

 

10.06

9.78

 

10.52

 

 

10.19

 

9.99

 

 

 

TC

117.1

 

 

99.8

85.7

 

122.2

 

 

105.7

95.1

 

124.8

 

 

111.8

 

104.6

115

 

 

SHC

60.5

 

 

73.7

84.9

 

67.6

 

 

86.3

95.1

 

74.1

 

 

98.6

 

104.6

 

 

 

kW

10.51

 

 

10.13

9.77

 

10.70

 

 

10.34

10.10

 

10.80

 

 

10.46

 

10.29

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

580F150 (121/ TONS)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Temp (F)

 

 

 

 

 

 

 

 

 

 

Air Entering Evaporator — Cfm/BF

 

 

 

 

 

 

 

Air Entering

 

 

 

3750/0.08

 

 

 

 

4500/0.09

 

 

 

 

5000/0.10

 

 

 

 

6250/0.12

 

Condenser

 

 

 

 

 

 

 

 

 

 

Air Entering Evaporator — Ewb (F)

 

 

 

 

 

 

 

 

(Edb)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

72

 

67

 

62

 

72

67

62

 

72

 

67

 

62

72

 

67

 

62

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TC

 

175.6

 

162.2

 

149.2

 

181.0

167.5

154.2

 

182.9

 

170.2

 

156.4

187.2

 

174.7

161.8

75

 

 

SHC

 

85.7

 

107.3

 

128.0

 

91.4

116.2

140.3

 

94.2

 

122.2

 

146.5

102.1

 

135.3

160.7

 

 

 

kW

 

11.16

 

10.85

 

10.57

 

11.32

11.00

10.69

 

11.37

 

11.07

 

10.73

11.49

 

11.19

10.87

 

 

 

TC

 

169.3

 

155.7

 

140.6

 

174.2

160.7

147.0

 

176.9

 

163.0

 

149.7

181.5

 

167.3

155.8

85

 

 

SHC

 

83.9

 

104.8

 

124.0

 

89.6

113.9

137.0

 

92.7

 

119.7

 

143.6

100.9

 

133.4

155.6

 

 

 

kW

 

12.15

 

11.78

 

11.42

 

12.31

11.94

11.58

 

12.39

 

12.01

 

11.63

12.53

 

12.14

11.82

95

 

 

TC

 

161.9

 

148.9

 

132.0

 

166.8

153.5

139.1

 

169.5

 

155.7

 

142.8

173.2

 

159.5

149.6

 

 

SHC

 

81.4

 

102.0

 

119.8

 

87.0

111.1

133.2

 

90.7

 

117.3

 

140.2

98.3

 

130.8

149.6

 

 

 

kW

 

13.12

 

12.72

 

12.28

 

13.30

12.89

12.46

 

13.40

 

12.97

 

12.56

13.54

 

13.11

12.78

 

 

 

TC

 

154.9

 

141.3

 

123.0

 

158.8

145.4

130.2

 

160.9

 

147.6

 

135.0

165.3

 

151.2

143.2

105

 

 

SHC

 

79.0

 

99.2

 

115.5

 

84.5

108.2

128.1

 

87.8

 

114.3

 

134.9

96.6

 

127.8

143.1

 

 

 

kW

 

14.16

 

13.66

 

13.17

 

14.31

13.82

13.35

 

14.38

 

13.91

 

13.48

14.58

 

14.07

13.77

 

 

 

TC

 

146.2

 

132.2

 

113.1

 

150.5

137.0

122.4

 

152.3

 

139.4

 

127.8

155.2

 

142.7

136.0

115

 

 

SHC

 

76.1

 

95.7

 

110.3

 

81.7

105.2

122.3

 

85.0

 

111.6

 

127.7

92.9

 

125.0

135.8

 

 

 

kW

 

15.09

 

14.57

 

14.07

 

15.30

14.76

14.25

 

15.37

 

14.87

 

14.43

15.49

 

15.02

14.73

580F036-151

 

 

 

 

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

= t

edb

sensible capacity (Btuh)

ldb

 

1.10 x cfm

 

 

 

tlwb

= Wet-bulb temperature corresponding to enthalpy of air

 

leaving evaporator coil (hlwb)

h

lwb

= h

ewb

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 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).

35

Page 35
Image 35
Bryant 581A/B manual Bypass Entering AIR DRY-BULB Temp F, Factor

581A/B specifications

The Bryant 581A/B is a sophisticated rooftop unit designed for commercial heating and cooling applications, striking a balance between performance, efficiency, and versatility. This unit is engineered to cater to various building sizes and configurations, making it an excellent choice for businesses seeking reliable climate control solutions.

One of the standout features of the Bryant 581A/B is its high efficiency. With SEER ratings reaching up to 14.5, this unit can significantly reduce energy costs while providing optimal performance throughout its operational lifespan. The design incorporates advanced compressor technology, allowing for variable speed operation that not only enhances comfort but also promotes energy savings by adjusting to the real-time demands of the environment.

The Bryant 581A/B also integrates cutting-edge refrigerant technology. Utilizing Puron refrigerant, it adheres to current environmental standards, minimizing its impact on ozone depletion while maximizing cooling performance. This commitment to sustainability is complemented by energy-efficient components, including high-efficiency coils and fan motors, which further optimize energy consumption.

In terms of construction, the Bryant 581A/B is built to withstand the rigors of outdoor installation. The unit features a rugged cabinet design with durable, corrosion-resistant materials, ensuring long-term reliability even in challenging weather conditions. Additionally, the easily accessible components simplify maintenance, reducing downtime for businesses.

The functionality of the Bryant 581A/B extends beyond mere cooling and heating. It is equipped with advanced control systems that can be interfaced with building management systems, allowing for seamless integration and enhanced control over indoor climate. This technology provides operators with the ability to monitor and adjust settings remotely, ensuring a comfortable indoor environment while optimizing energy use.

Noise reduction is another important characteristic of the Bryant 581A/B. The unit is designed with sound-dampening features, making it suitable for applications where low noise levels are a priority, such as retail spaces or office buildings.

Overall, the Bryant 581A/B is a robust solution for businesses seeking efficient, reliable, and flexible climate control. Its combination of advanced technology, durable construction, and user-friendly features make it a leading choice in the commercial HVAC market.