Specifications

47
ENVISION COMMERCIAL SPECIFICATION CATALOG
Correction Factor Tables
Air Flow Corrections (Dual Capacity Part Load)
Airflow Cooling Heating
CFM Per Ton
of Clg
% of Nominal Total Cap Sens Cap Power Heat of Rej Htg Cap Power Heat of Ext
240 60 0.922 0.778 0.956 0.924 0.943 1.239 0.879
275 69 0.944 0.830 0.962 0.944 0.958 1.161 0.914
300 75 0.957 0.866 0.968 0.958 0.968 1.115 0.937
325 81 0.970 0.900 0.974 0.970 0.977 1.075 0.956
350 88 0.982 0.933 0.981 0.980 0.985 1.042 0.972
375 94 0.991 0.968 0.991 0.991 0.993 1.018 0.988
400 100 1.000 1.000 1.000 1.000 1.000 1.000 1.000
425 106 1.007 1.033 1.011 1.008 1.007 0.990 1.010
450 113 1.013 1.065 1.023 1.015 1.012 0.987 1.018
475 119 1.017 1.099 1.037 1.022 1.018 0.984 1.025
500 125 1.020 1.132 1.052 1.027 1.022 0.982 1.031
520 130 1.022 1.159 1.064 1.030 1.025 0.979 1.034
5/30/06
Air Flow Corrections (Dual Capacity Full Load & Single Speed)
Airflow Cooling Heating
CFM Per Ton
of Clg
% of Nominal Total Cap Sens Cap Power Heat of Rej Htg Cap Power Heat of Ext
240 60 0.922 0.786 0.910 0.920 0.943 1.150 0.893
275 69 0.944 0.827 0.924 0.940 0.958 1.105 0.922
300 75 0.959 0.860 0.937 0.955 0.968 1.078 0.942
325 81 0.971 0.894 0.950 0.967 0.977 1.053 0.959
350 88 0.982 0.929 0.964 0.978 0.985 1.031 0.973
375 94 0.992 0.965 0.982 0.990 0.993 1.014 0.988
400 100 1.000 1.000 1.000 1.000 1.000 1.000 1.000
425 106 1.007 1.034 1.020 1.010 1.007 0.990 1.011
450 113 1.012 1.065 1.042 1.018 1.013 0.983 1.020
475 119 1.017 1.093 1.066 1.026 1.018 0.980 1.028
500 125 1.019 1.117 1.092 1.033 1.023 0.978 1.034
520 130 1.020 1.132 1.113 1.038 1.026 0.975 1.038
5/30/06
Cooling Capacity Corrections
Entering
Air WB ºF
Total
Clg Cap
Sensible Cooling Capacity Multipliers - Entering DB ºF
Power
Input
Heat of
Rejection
60 65 70 75 80 80.6 85 90 95 100
55
0.898 0.723 0.866 1.048 1.185 * * * * * * 0.985 0.913
60
0.912 0.632 0.880 1.078 1.244 1.260 * * * * 0.994 0.927
65
0.967 0.694 0.881 1.079 1.085 1.270 * * * 0.997 0.972
66.2
0.983 0.655 0.842 1.040 1.060 1.232 * * * 0.999 0.986
67 1.000
0.616 0.806 1.000 1.023 1.193 1.330 * *
1.000 1.000
70
1.053 0.693 0.879 0.900 1.075 1.250 1.404 * 1.003 1.044
75
1.168 0.687 0.715 0.875 1.040 1.261 1.476 1.007 1.141
11/10/09
NOTE: * Sensible capacity equals total capacity at conditions shown.
Heating Corrections
Ent Air DB °F Htg Cap Power Heat of Ext
45
1.062 0.739 1.158
50
1.050 0.790 1.130
55
1.037 0.842 1.096
60
1.025 0.893 1.064
65
1.012 0.945 1.030
68
1.005 0.976 1.012
70 1.000 1.000 1.000
75
0.987 1.048 0.970
80
0.975 1.099 0.930
11/10/09