246646-YTG-C-0606

TABLE 6: COOLING CAPACITY DH090 (7-1/2 TON) UNIT

 

 

 

 

 

 

 

 

 

 

 

 

Air On

 

Temperature of Air on Condenser Coil 75°F

 

Temperature of Air on Condenser Coil 85°F

 

 

Evap. Coil

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

WB

Tot.

Tot.

 

Sensible Capacity (MBH)*

 

Tot.

 

Tot.

 

Sensible Capacity (MBH)*

 

 

CFM

Cap.1

Input2

 

Return Dry Bulb (°F)

 

 

Cap.1

 

Input2

 

Return Dry Bulb (°F)

 

 

(°F)

 

 

 

 

 

 

 

 

(MBH)

(kW)

86

83

80

77

74

 

71

68

(MBH)

 

(kW)

86

83

80

77

74

71

68

 

 

 

 

 

 

 

72

102.7

5.7

60.1

53.7

47.3

40.9

34.5

 

-

-

98.5

 

6.2

58.2

51.8

45.4

39.0

32.5

-

-

 

2250

67

98.7

5.6

75.6

69.2

62.8

56.4

50.0

 

43.5

37.1

93.0

 

6.1

73.4

67.0

60.5

54.1

47.7

41.3

34.9

 

62

95.0

5.6

95.0

87.3

80.9

74.5

68.0

 

61.6

55.2

88.7

 

6.1

88.7

82.4

76.0

69.6

63.2

56.8

50.4

 

 

 

 

 

 

57

96.7

5.5

96.7

90.6

84.1

77.7

71.3

 

64.9

58.5

88.4

 

6.0

88.4

84.3

77.9

71.5

65.0

58.6

52.2

 

 

72

105.1

5.7

65.5

57.9

50.3

42.8

35.2

 

-

-

100.9

 

6.2

63.8

56.2

48.6

41.1

33.5

-

-

 

2625

67

101.0

5.6

82.0

74.4

66.8

59.2

51.6

 

44.0

36.5

95.2

 

6.1

80.1

72.5

64.9

57.3

49.7

42.2

34.6

 

62

97.2

5.6

97.2

93.4

86.1

78.5

70.9

 

63.3

55.7

90.8

 

6.1

90.8

87.7

81.5

73.9

66.3

58.8

51.2

 

 

 

 

 

 

57

98.9

5.5

98.9

95.9

89.6

82.0

74.4

 

66.8

59.2

90.5

 

6.1

90.5

88.5

83.5

75.9

68.3

60.7

53.2

 

 

72

107.5

5.7

70.9

62.1

53.4

44.6

35.9

 

-

-

103.2

 

6.3

69.4

60.7

51.9

43.2

34.4

-

-

 

3000

67

103.3

5.6

88.3

79.5

70.8

62.0

53.3

 

44.5

35.8

97.4

 

6.2

86.8

78.0

69.3

60.5

51.8

43.0

34.3

 

62

99.4

5.6

99.4

99.4

91.2

82.5

73.8

 

65.0

56.3

92.9

 

6.1

92.9

92.9

87.0

78.2

69.5

60.7

52.0

 

 

 

 

 

 

57

101.2

5.5

101.2

101.2

95.0

86.2

77.5

 

68.7

60.0

92.6

 

6.1

92.6

92.6

89.1

80.3

71.6

62.8

54.1

 

 

72

108.5

5.7

75.3

65.4

55.4

45.4

35.5

 

-

-

104.6

 

6.3

74.2

64.3

54.3

44.3

34.4

-

-

 

3375

67

104.3

5.6

94.8

83.4

73.5

63.5

53.6

 

43.6

33.6

98.7

 

6.2

92.4

82.4

72.5

62.5

52.5

42.6

32.6

 

62

100.4

5.6

100.4

100.4

95.9

85.9

76.0

 

66.0

56.0

94.2

 

6.1

94.2

94.2

91.0

81.0

71.0

61.1

51.1

 

 

 

 

 

 

57

102.2

5.5

102.2

102.2

99.1

89.2

79.2

 

69.2

59.3

93.9

 

6.1

93.9

93.9

92.1

82.1

72.2

62.2

52.3

 

 

72

109.6

5.7

79.8

68.6

57.4

46.2

35.1

 

-

-

106.0

 

6.3

79.0

67.9

56.7

45.5

34.3

-

-

 

3750

67

105.4

5.6

101.3

87.3

76.2

65.0

53.8

 

42.6

31.5

100.1

 

6.2

98.0

86.8

75.6

64.5

53.3

42.1

30.9

 

62

101.4

5.6

101.4

101.4

100.5

89.4

78.2

 

67.0

55.8

95.4

 

6.1

95.4

95.4

95.0

83.8

72.6

61.4

50.3

 

 

 

 

 

 

57

103.3

5.5

103.3

103.3

103.3

92.1

80.9

 

69.7

58.6

95.1

 

6.1

95.1

95.1

95.1

83.9

72.8

61.6

50.4

 

 

 

 

Temperature of Air on Condenser Coil 95°F

 

 

 

Temperature of Air on Condenser Coil 105°F

 

 

 

72

94.3

6.7

56.3

49.8

43.4

37.0

30.6

 

-

-

87.5

 

7.3

53.7

47.2

40.8

34.4

28.0

-

-

 

2250

67

87.3

6.7

71.1

64.7

58.3

51.9

45.5

 

39.1

32.7

79.7

 

7.2

67.8

61.4

55.0

48.6

42.2

35.8

29.4

 

62

82.4

6.5

82.4

77.6

71.2

64.8

58.4

 

51.9

45.5

76.0

 

7.1

76.0

71.7

65.3

58.9

52.4

46.0

39.6

 

 

 

 

 

 

57

80.1

6.5

80.1

78.0

71.6

65.2

58.8

 

52.4

46.0

74.0

 

7.1

74.0

72.0

65.6

59.2

52.7

46.3

39.9

 

 

72

96.6

6.8

62.1

54.5

46.9

39.4

31.8

 

-

-

89.8

 

7.4

59.6

52.0

44.4

36.8

29.3

-

-

 

2625

67

89.4

6.7

78.2

70.6

63.0

55.4

47.9

 

40.3

32.7

81.8

 

7.2

74.3

67.4

59.9

52.3

44.7

37.1

29.5

 

62

84.4

6.6

84.4

82.0

76.9

69.4

61.8

 

54.2

46.6

78.0

 

7.1

78.0

75.8

71.0

63.4

55.8

48.3

40.7

 

 

 

 

 

 

57

82.1

6.6

82.1

81.0

77.4

69.8

62.2

 

54.7

47.1

75.9

 

7.1

75.9

74.9

71.3

63.8

56.2

48.6

41.0

 

 

72

98.9

6.8

67.9

59.2

50.5

41.7

33.0

 

-

-

92.1

 

7.4

65.5

56.8

48.0

39.3

30.5

-

-

 

3000

67

91.5

6.7

85.2

76.5

67.7

59.0

50.2

 

41.5

32.8

83.8

 

7.3

80.7

73.5

64.7

56.0

47.2

38.5

29.7

 

62

86.4

6.6

86.4

86.4

82.7

73.9

65.2

 

56.4

47.7

80.0

 

7.2

80.0

80.0

76.7

68.0

59.2

50.5

41.7

 

 

 

 

 

 

57

84.0

6.6

84.0

84.0

83.2

74.4

65.7

 

57.0

48.2

77.8

 

7.2

77.8

77.8

77.1

68.3

59.6

50.8

42.1

 

 

72

100.6

6.9

73.1

63.2

53.2

43.2

33.3

 

-

-

93.4

 

7.4

70.8

60.8

50.8

40.9

30.9

-

-

 

3375

67

93.1

6.8

90.0

81.4

71.4

61.5

51.5

 

41.5

31.6

85.1

 

7.3

83.5

77.8

68.5

58.6

48.6

38.6

28.7

 

62

87.9

6.7

87.9

87.9

86.1

76.1

66.1

 

56.2

46.2

81.2

 

7.2

81.2

81.2

79.6

69.6

59.6

49.7

39.7

 

 

 

 

 

 

57

85.5

6.6

85.5

85.5

85.1

75.1

65.2

 

55.2

45.2

79.0

 

7.2

79.0

79.0

78.6

68.7

58.7

48.7

38.8

 

 

72

102.4

6.9

78.3

67.1

55.9

44.8

33.6

 

-

-

94.8

 

7.5

76.0

64.9

53.7

42.5

31.3

-

-

 

3750

67

94.7

6.8

94.7

86.3

75.1

63.9

52.8

 

41.6

30.4

86.4

 

7.3

86.4

82.2

72.4

61.2

50.0

38.8

27.6

 

62

89.4

6.7

89.4

89.4

89.4

78.2

67.1

 

55.9

44.7

82.4

 

7.2

82.4

82.4

82.4

71.2

60.0

48.9

37.7

 

 

 

 

 

 

57

87.0

6.7

87.0

87.0

87.0

75.8

64.6

 

53.4

42.2

80.2

 

7.2

80.2

80.2

80.2

69.0

57.8

46.6

35.5

 

 

 

 

Temperature of Air on Condenser Coil 115°F

 

 

Temperature of Air on Condenser Coil 125°F

 

 

 

72

80.6

7.9

51.1

44.6

38.2

31.8

25.4

 

-

-

73.7

 

8.4

48.4

42.0

35.6

29.2

22.8

-

-

 

2250

67

72.0

7.7

64.6

58.1

51.7

45.3

38.9

 

32.5

26.1

64.4

 

8.2

61.3

54.8

48.4

42.0

35.6

29.2

22.8

 

62

69.6

7.6

69.6

65.8

59.4

52.9

46.5

 

40.1

33.7

63.2

 

8.1

63.2

59.9

53.5

47.0

40.6

34.2

27.8

 

 

 

 

 

 

57

67.8

7.6

67.8

66.0

59.5

53.1

46.7

 

40.3

33.9

61.6

 

8.2

61.6

59.9

53.5

47.1

40.7

34.3

27.8

 

 

72

82.9

7.9

57.1

49.5

41.9

34.3

26.7

 

-

-

76.0

 

8.5

54.5

47.0

39.4

31.8

24.2

-

-

 

2625

67

74.1

7.7

70.3

64.3

56.7

49.1

41.5

 

34.0

26.4

66.4

 

8.2

66.4

61.1

53.5

46.0

38.4

30.8

23.2

 

62

71.6

7.7

71.6

69.7

65.1

57.5

49.9

 

42.3

34.7

65.2

 

8.2

65.2

63.5

59.1

51.6

44.0

36.4

28.8

 

 

 

 

 

 

57

69.7

7.7

69.7

68.8

65.3

57.7

50.1

 

42.5

34.9

63.5

 

8.2

63.5

62.7

59.2

51.6

44.0

36.4

28.9

 

 

72

85.2

8.0

63.1

54.3

45.6

36.8

28.1

 

-

-

78.3

 

8.5

60.6

51.9

43.1

34.4

25.6

-

-

 

3000

67

76.1

7.8

76.1

70.4

61.7

52.9

44.2

 

35.4

26.7

68.4

 

8.3

68.4

67.4

58.6

49.9

41.1

32.4

23.6

 

62

73.6

7.7

73.6

73.6

70.8

62.0

53.3

 

44.5

35.8

67.2

 

8.2

67.2

67.2

64.8

56.1

47.3

38.6

29.8

 

 

 

 

 

 

57

71.6

7.7

71.6

71.6

71.0

62.2

53.5

 

44.7

36.0

65.4

 

8.3

65.4

65.4

64.9

56.1

47.4

38.6

29.9

 

 

72

86.2

8.0

68.4

58.5

48.5

38.5

28.6

 

-

-

79.0

 

8.6

66.1

56.1

46.1

36.2

26.2

-

-

 

3375

67

77.1

7.8

77.1

74.2

65.6

55.7

45.7

 

35.7

25.8

69.0

 

8.4

69.0

69.0

62.7

52.8

42.8

32.8

22.9

 

62

74.5

7.7

74.5

74.5

73.1

63.1

53.2

 

43.2

33.2

67.8

 

8.3

67.8

67.8

66.6

56.6

46.7

36.7

26.8

 

 

 

 

 

 

57

72.5

7.8

72.5

72.5

72.2

62.2

52.3

 

42.3

32.3

66.0

 

8.3

66.0

66.0

65.8

55.8

45.8

35.9

25.9

 

 

72

87.3

8.1

73.8

62.6

51.4

40.2

29.1

 

-

-

79.7

 

8.7

71.5

60.3

49.2

38.0

26.8

-

-

 

3750

67

78.0

7.9

78.0

78.0

69.6

58.4

47.2

 

36.1

24.9

69.7

 

8.4

69.7

69.7

66.8

55.6

44.5

33.3

22.1

 

62

75.4

7.8

75.4

75.4

75.4

64.2

53.0

 

41.9

30.7

68.4

 

8.3

68.4

68.4

68.4

57.2

46.0

34.8

23.7

 

 

 

 

 

 

57

73.4

7.8

73.4

73.4

73.4

62.2

51.0

 

39.9

28.7

66.6

 

8.4

66.6

66.6

66.6

55.4

44.3

33.1

21.9

 

1These capacities are gross ratings. For net capacity, deduct air blower motor, MBh = 3.415 x kW. Refer to the appropriate Blower Performance Table for the kW of the supply air blower motor.

2These ratings include the condenser fan motors (total 1 kW) and the compressor motors but not the supply air blower motor.

14

Unitary Products Group

Page 13 Page 15
Page 14
Image 14
York 102, DH 078 manual Cooling Capacity DH090 7-1/2 TON Unit
Page 13 Page 15

102, 90, DH 078 specifications

York DH series chillers, specifically models 078, 90, and 102, are recognized in the HVAC industry for their advanced features, efficiency, and reliability. These chillers are designed to provide exceptional cooling performance for commercial and industrial applications, prioritizing energy efficiency and sustainability.

One of the standout features of the York DH series is its dual-compressor system. This design not only enhances reliability but also contributes to energy savings by allowing the unit to operate at varying loads more effectively. This adaptability ensures that the chillers can maintain optimal performance even during fluctuating demand, reducing energy consumption and associated costs.

The DH series chillers employ a microchannel condenser technology that maximizes heat exchange efficiency. This technology reduces the amount of refrigerant required while also minimizing the footprint of the unit, offering significant advantages in space-constrained environments. Additionally, microchannel coils are less susceptible to corrosion, enhancing the longevity and reliability of the chillers.

Another notable feature is the use of variable-speed drives (VSD) in the compressor system. These drives allow for precise control of the compressor speed, enabling the chillers to adjust to the cooling demands dynamically. This flexibility not only enhances the overall efficiency of the system but also contributes to quieter operation, making the chillers suitable for environments where noise levels are a concern.

York's DH series also integrates advanced controls and monitoring capabilities. The intuitive control system allows for easy programming and operation, providing users with real-time data on system performance and diagnostics. This feature aids in maintenance and troubleshooting, reducing downtime and ensuring that the chillers operate at peak efficiency.

Safety is paramount in the design of the York DH chillers. Each model is equipped with multiple safety features, including pressure relief valves and temperature monitoring systems, to protect the unit during operation. This commitment to safety not only safeguards the equipment but also ensures compliance with industry standards.

In conclusion, the York DH 078, 90, and 102 chillers exemplify modern HVAC technology with their dual-compressor systems, microchannel condenser technology, variable-speed drives, and advanced control systems. These features combine to deliver efficient, reliable, and sustainable cooling solutions for a wide variety of applications. The York DH series represents a significant advancement in chiller design and functionality, making it a preferred choice for many professionals in the field.
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