Catalogue

40 WSHP-PRC020D-EN
Unit Fan Performance
Table 21. Pressure drop due to return air door (RAD)
Model No. CFM DP CFM DP CFM DP
GET 009 272 0.04 340 0.05 408 0.08
GET 012 303 0.04 380 0.07 456 0.11
GET 015 432 0.06 540 0.09 648 0.12
GET 018 520 0.08 650 0.12 780 0.16
GET 024 656 0.06 820 0.08 984 0.12
GET 036 936 0.10 1170 0.16 1404 0.23
Note: The pressure drop across the RAD door should be included in the TOTAL ESP when determining airflow and fan motor power usage. If the door is supplied
by another vendor, the pressure drop across that door must be included in the TOTAL ESP when determining airflow and fan motor power usage.
Table 22. Antifreeze correction factors
Methanol
Concentration by Volume
Item 0% 10% 20% 30% 40% 50%
Cooling Capacity 1.000 0.998 0.997 0.995 0.993 0.992
Heating Capacity 1.000 0.995 0.990 0.985 0.979 0.974
Pressure Drop 1.000 1.023 1.057 1.091 1.122 1.160
Ethylene Glycol
Concentration by Volume
Item 0% 10% 20% 30% 40% 50%
Cooling Capacity 1.000 0.996 0.991 0.987 0.983 0.979
Heating Capacity 1.000 0.993 0.985 0.977 0.969 0.961
Pressure Drop 1.000 1.024 1.068 1.124 1.188 1.263
Propylene Glycol
Concentration by Volume
Item 0% 10% 20% 30% 40% 50%
Cooling Capacity 1.000 0.993 0.987 0.980 0.974 0.968
Heating Capacity 1.000 0.986 0.973 0.960 0.948 0.935
Pressure Drop 1.000 1.040 1.098 1.174 1.273 1.405
Brine (NaCL)
Concentration by Volume
Item 0% 10% 20% 30% 40% 50%
Cooling Capacity 1.000 0.994 0.987 0.979 0.971 0.963
Heating Capacity 1.000 0.993 0.987 0.982 0.978 0.976
Pressure Drop 1.000 1.154 1.325 1.497 1.669 1.841