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Installation of Outdoor Unit
4. Water Control
4.3 Capacity correction factor by antifreeze
If a antifreeze is used, pressure drop and capability degradation of the system can be occurred. Refer to the next table.
Antifreeze Type
Methanol
Ethylene glycol
Propylene glycol
Correction Factor Item
Cooling Capacity
Heating Capacity
Pressure Drop
Cooling Capacity
Heating Capacity
Pressure Drop
Cooling Capacity
Heating Capacity
Pressure Drop
Antifreeze % by wt
10%
20%
0.998
0.997
0.995
0.995
0.990
0.985
1.023
1.057
1.091
0.996
0.991
0.987
0.993
0.985
0.977
1.024
1.068
1.124
0.993
0.987
0.980
0.966
0.973
0.960
1.040
1.098
1.174
8
Installation
30%
40%
50%
0.993
0.992
0.979
0.974
1.122
1.160
0.983
0.979
0.969
0.961
1.188
1.263
0.974
0.968
0.948
0.935
1.273
1.405
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