Carrier 42C Series - Page 32

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ENTHALPY AT SATURATION
ALTITUDE COOLING CORRECTION FACTORS
AIRFLOW CORRECTION FACTORS
LEGEND
TEMPERATURE
(F)
ENTHALPY AT
SATURATION
(Btu per lb
of dry air)
TEMPERATURE
(F)
ENTHALPY AT
SATURATION
(Btu per lb
of dry air)
40 15.230 60 26.46
41 15.697 61 27.15
42 16.172 62 27.85
43 16.657 63 28.57
44 17.149 64 29.31
45 17.650 65 30.06
46 18.161 66 30.83
47 18.680 67 31.62
48 19.211 68 32.42
49 19.751 69 33.25
50 20.301 70 34.09
51 20.862 71 34.95
52 21.436 72 35.83
53 22.020 73 36.74
54 22.615 74 37.66
55 23.22 75 38.61
56 23.84 76 39.57
57 24.48 77 40.57
58 25.12 78 41.58
59 25.78 79 42.62
80 43.69
ELEVATION (ft) TOTAL HEAT SENSIBLE HEAT
Sea Level 1.00 1.00
1000 .990 .960
2000 .980 .930
3000 .970 .896
4000 .960 .864
5000 .940 .830
6000 .930 .800
7000 .920 .770
8000 .910 .750
9000 .900 .730
CFM RATIO
(Actual/Base)
TOTAL (Ct) SENSIBLE (Cs)
1.40 1.25 1.26
1.35 1.22 1.23
1.30 1.19 1.20
1.25 1.16 1.17
1.20 1.13 1.14
1.15 1.10 1.11
1.10 1.07 1.08
1.05 1.04 1.04
1.00 1.00 1.00
0.95 0.97 0.97
0.90 0.94 0.93
0.85 0.90 0.89
0.80 0.86 0.85
0.75 0.82 0.81
0.70 0.78 0.77
0.65 0.74 0.72
0.60 0.70 0.67
0.55 0.66 0.62
0.50 0.62 0.57
0.45 0.58 0.52
0.40 0.53 0.47
0.35 0.48 0.42
0.30 0.43 0.38
0.25 0.38 0.33
CFM — Cubic Feet per Minute
Cs — Sensible Airflow Correction Factor
Ct — Total Airflow Correction Factor
.000 .005 .030.025.020.015.010 .035
THERMAL EXPANSION OF COPPER RISERS
EXPANSION (INCHES PER FOOT)
300
275
250
225
200
175
125
100
75
50
25
0
150
MAXIMUM WATER TEMPERATURE DIFFERENCES (ºF)
Application data (cont)