Carrier 50KQL-1PD Freezer User Manual


 
21
CORRECTION FACTORS — ENTERING AIR
*Sensible Capacity equals total capacity.
CORRECTION FACTORS — AIRFLOW
LEGEND
50KQL CONSOLE BLOWER PERFORMANCE 60 Hz
NOTES:
1. Fan speed is field adjustable.
2. All airflow is rated at lowest voltage if unit is dual voltage rated, i.e., 208 v for 208-230 v
units.
3. All units are ARI/ISO 13256-1 rated on high fan speed.
4. All units are designed and rated for zero external static pressure (non-ducted) application.
HEATING COOLING
EAT
DB
(F)
TC
Input
Power
THA
EAT
WB
(F)
TC
Sensible Capacity Entering Dry Bulb (F)
Power
Input
THR
70 75 80 80.6 859095
60 1.011 0.989 1.007 60 0.893 0.889 1.087 * * * * * 0.964 0.902
65 1.004 0.994 1.004 65 0.964 0.692 0.884 1.085 1.108 * * * 0.988 0.967
68 1.002 0.997 1.002 66.2 0.983 0.645 0.838 1.036 1.059 1.231 * * 0.995 0.985
70 1.000 1.000 1.000 67 1.000 0.613 0.806 1.000 1.027 1.199 * * 1.000 1.000
75 0.996 1.007 0.995 70 1.049 0.683 0.879 0.902 1.077 1.274 1.415 1.016 1.046
80 0.991 1.018 0.990 75 1.118 0.676 0.698 0.866 1.068 1.266 1.037 1.106
% OF
NOMINAL
AIRFLOW
COOLING CORRECTIONS HEATING CORRECTIONS
TC SC
Input
Power
THR TC
Input
Power
THA
75% 0.951 0.860 0.963 0.952 0.990 1.054 0.966
81% 0.964 0.894 0.973 0.965 0.993 1.035 0.977
88% 0.979 0.936 0.984 0.979 0.996 1.019 0.987
94% 0.990 0.969 0.992 0.990 0.998 1.008 0.994
100% 1.000 1.000 1.000 1.000 1.000 1.000 1.000
106% 1.010 1.033 1.008 1.010 1.002 0.994 1.005
113% 1.019 1.069 1.016 1.019 1.003 0.988 1.011
DB Dry Bulb
EAT Entering Air Temperature (F)
SC Sensible Capacity
TC Total Capacity
THA Total Heat of Absorption
THR Total Heat of Rejection
50KQL
RATED
AIRFLOW
(cfm)
AIRFLOW (cfm)
Low Speed High Speed
07 240 190 240
09 300 240 300
12 350 300 350
15 400 340 400
19 460 400 460