Glycol, Optichill freecool active cabinet exhaust chillers, Design features & information – Airedale OptiChill FreeCool 500kW - 1365kW User Manual
Page 50: Chillers, Caution
OptiChill Freecool
Active Cabinet Exhaust
Chillers
50
Chillers
Technical Manual : 7197700 v1.2.0. 02_2013
Design Features & Information
Glycol
Ethylene Glycol
Specific Heat Capacity
Glycol Percentage / Freezing Point
Temperature °C
0% / 0°C
20% / -7.8°C
25% / -10.7°C
30% / -14.1°C
35% / -17.9°C
40% / -22.3°C
0
4.210
3.769
3.679
3.589
3.495
3.401
5
4.204
3.780
3.692
3.603
3.511
3.418
10
4.193
3.792
3.705
3.617
3.526
3.435
15
4.186
3.803
3.717
3.631
3.541
3.451
20
4.183
3.815
3.73
3.645
3.557
3.468
25
4.181
3.826
3.743
3.660
3.573
3.485
30
4.179
3.838
3.756
3.674
3.588
3.502
35
4.178
3.849
3.769
3.688
3.603
3.518
40
4.179
3.861
3.782
3.702
3.619
3.535
45
4.181
3.872
3.794
3.716
3.634
3.552
Density
Glycol Percentage / Freezing Point
Temperature °C
0% / °C
20% / -7.1°C
25% / -9.6°C
30% / -12.7°C
35% / -16.4°C
40% / -21.1°C
0
999.80
1035.67
1043.73
1051.78
1059.29
1066.80
5
999.90
1034.36
1042.35
1050.33
1057.77
1065.21
10
999.70
1032.94
1040.85
1048.76
1056.13
1063.49
15
999.00
1031.39
1039.23
1047.07
1054.36
1061.65
20
998.20
1029.72
1037.49
1045.25
1052.47
1059.68
25
997.00
1027.93
1035.63
1043.32
1050.46
1057.60
30
995.60
1026.02
1033.64
1041.26
1048.33
1055.39
35
994.00
1023.99
1031.54
1039.08
1046.08
1053.07
40
992.20
1021.83
1029.31
1036.78
1043.7
1050.62
45
990.20
1019.55
1026.96
1034.36
1041.21
1048.05
Propylene Glycol
Specific Heat Capacity
Glycol Percentage / Freezing Point
Temperature °C
0% / °C
20% / -7.1°C
25% / -9.6°C
30% / -12.7°C
35% / -16.4°C
40% / -21.1°C
0
4.210
3.929
3.861
3.793
3.715
3.636
5
4.204
3.940
3.874
3.807
3.729
3.652
10
4.193
3.951
3.886
3.820
3.745
3.669
15
4.186
3.962
3.898
3.834
3.760
3.685
20
4.183
3.973
3.911
3.848
3.775
3.702
25
4.181
3.983
3.923
3.862
3.790
3.718
30
4.179
3.994
3.935
3.875
3.805
3.735
35
4.178
4.005
3.947
3.889
3.820
3.751
40
4.179
4.016
3.96
3.903
3.836
3.768
45
4.181
4.027
3.972
3.917
3.851
3.784
Density
Glycol Percentage / Freezing Point
Temperature °C
0% / °C
20% / -7.1°C
25% / -9.6°C
30% / -12.7°C
35% / -16.4°C
40% / -21.1°C
0
999.80
1025.84
1031.04
1036.24
1040.68
1045.12
5
999.90
1024.32
1029.39
1034.46
1038.78
1043.09
10
999.70
1022.68
1027.62
1032.55
1036.75
1040.94
15
999.00
1020.91
1025.7
1030.51
1034.58
1038.65
20
998.20
1019.01
1023.68
1028.35
1032.30
1036.24
25
997.00
1016.99
1021.53
1026.06
1029.88
1033.70
30
995.60
1014.84
1019.24
1023.64
1027.34
1031.03
35
994.00
1012.56
1016.83
1021.09
1024.66
1028.23
40
992.20
1010.16
1014.29
1018.42
1021.86
1025.30
45
990.20
1007.64
1011.63
1015.62
1018.93
1022.24
Data based upon ASHRAE fundamentals 2001
CAUTION
Only use the SHC data when calculating fluid VOLUME. USE figure for 20% concentration
when applying Glycol Correction Factors, refer to