Table PD-1— Enthalpy of Saturated AIR

Wet BulbTemperature

Btu Per Lb.

40

15.23

41

15.70

42

16.17

43

16.66

44

17.15

45

17.65

46

18.16

47

18.68

48

19.21

49

19.75

50

20.30

51

20.86

52

21.44

53

22.02

54

22.62

55

23.22

56

23.84

57

24.48

58

25.12

59

25.78

60

26.46

61

27.15

62

27.85

63

28.57

64

29.31

65

30.06

66

30.83

67

31.62

68

32.42

69

33.25

70

34.09

71

34.95

72

35.83

73

36.74

74

37.66

75

38.61

18

Performance

Adjustment

Factors

Figure PD-1 — Air Density Ratios

Altitude/Temperature Correction

Air Density

Ratio (Density

at New

Air Density)

Condition/Std.

Rooftop Leaving AirTemperature (degrees F)

Table PD-2 — Cooling Capacity Altitude Correction Factors

 

 

 

 

Altitude (Ft.)

 

 

 

 

 

Sea Level

1000

2000

3000

4000

5000

6000

7000

Cooling Capacity

 

 

 

 

 

 

 

 

Multiplier

1.00

0.99

0.99

0.98

0.97

0.96

0.95

0.94

KW Correction

 

 

 

 

 

 

 

 

Multiplier

 

 

 

 

 

 

 

 

(Compressors)

1.00

1.01

1.02

1.03

1.04

1.05

1.06

1.07

SHR Correction

 

 

 

 

 

 

 

 

Multiplier

1.00

.98

.95

.93

.91

.89

.87

.85

Maximum

 

 

 

 

 

 

 

 

Condenser

 

 

 

 

 

 

 

 

Ambient

115 F

114 F

113 F

112 F

111 F

110 F

109 F

108 F

Note:

SHR = Sensible Heat Ratio

Table PD-3 — Gas Heating Capacity Altitude Correction Factors

 

 

 

 

Altitude (Ft.)

 

 

 

 

Sea Level

2001

2501

3501

4501

5501

6501

 

To 2000

To 2500

To 3500

To 4500

To 5500

To 6500

To 7500

Capacity

 

 

 

 

 

 

 

Multiplier

1.00

.92

.88

.84

.80

.76

.72

Note:

Correction factors are per AGA Std 221.30 — 1964, Part VI, 6.12. Local codes may supersede.

RT-PRC007-EN

Page 18
Image 18
Trane RT-PRC007-EN manual Performance Adjustment Factors, Table PD-1- Enthalpy of Saturated AIR

RT-PRC007-EN specifications

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