Specifications
47
ENVISION COMMERCIAL SPECIFICATION CATALOG
Correction Factor Tables
Part Load Air Flow Corrections
Full Load Air Flow Corrections
Cooling
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 11 3 1.013 1.065 1.023 1.015 1.012 0.987 1.018
475 11 9 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
Cooling
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 11 3 1.012 1.065 1.042 1.018 1.013 0.983 1.020
475 11 9 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
Airflow Heating
Airflow Heating
Heating Capacity Corrections (Dual Capacity Full & Part Load; Single Speed)
Heating Corrections
Ent Air DB °F Htg Cap Power Heat of Ext
45 1.050 0.749 1.158
50 1.059 0.859 1.130
55 1.043 0.894 1.096
60 1.033 0.947 1.064
65 1.023 0.974 1.030
68 1.009 0.990 1.012
70 1.000 1.000 1.000
75 1.011 1.123 0.970
80 1.000 1.196 0.930
7/20/06
Cooling Capacity Corrections (Dual Capacity Full & Part Load; Single Speed)
Entering Total
Sensible Cooling Capacity Multipliers - Entering DB ºF
Power Heat of
Air WB ºF Clg Cap
60 65 70 75 80 80.6 85 90 95 100
Input Rejection
45 0.719 0.891 1.058 1.128 * * * * * * * 0.898 0.741
50 0.719 0.893 0 980 1.106 * * * * * * * 0.898 0.741
55 0.812 0.629 0.844 1.026 1.172 * * * * * * 0.922 0.819
60 0.897 0.820 0.995 1.206 1 238 * * * * 0.955 0.895
65 0.960 0.568 0.810 1.004 1.052 1.227 * * * 0.982 0.951
66.2 0.984 0.505 0.743 1.002 1.027 1.151 * * * 0.993 0.980
67 1.000 0.463 0.699 1.000 1.011 1.101 1.310 * * 1.000 1.000
70 1.047 0.599 0.865 0.879 1.007 1.225 1.433 * 1.018 1.029
75 1.148 0.567 0.584 0.734 0.956 1.261 1.476 1.056 1.118
Note: * Sensible capacity equals total capacity at conditions shown.
7/20/06