Correction Factors - York YK145.00-EG4 Technical Manual

Water Source Heat Pumps

CORRECTION FACTORS

ANTIFREEZE CORRECTION TABLE
Ethylene Glycol
Propylene Glycol
Methanol
AIRFLOW CORRECTION TABLE
Airflow %
TC
0.931
70
0.941
75
0.950
80
0.966
85
0.977
90
0.989
95
1.000
100
1.008
105
1.018
110
1.026
115
COOLING PERFORMANCE CORRECTION TABLE
Entering Air Total Clg
WB (F) Capacity
60 0.845
65 0.948
66.2
70 1.061
75 1.162
S = Sensible cooling is equal to Total Cooling
HEATING PERFORMANCE CORRECTION TABLE
EAT DB (F)
45
50
55
60
65
68
70
75
80
Johnson Controls
5%
Cooling 0.998
Heating 0.995
PD 1.040
Cooling 0.995
Heating 0.989
PD 1.035
Cooling 0.999
Heating 0.989
PD 1.050
Cooling
SC Power
0.847 0.964
0.872 0.969
0.896 0.979
0.923 0.983
0.948 0.989
0.974 0.995
1.000 1.000
1.025 1.006
1.048 1.013
1.070 1.019
Entering Air DB (F) - Sensible Capacity
70 75
0.86 1.1
0.628 0.865
1 0.539 0.777
0.631
Heating Capacity
1.101
1.080
1.059
1.039
1.019
1.000
0.990
0.974
0.951
Technical Guide: YK145.00-EG4 (309)
Antifreeze Concentration
10% 15% 20%
0.995 0.993 0.991
0.990 0.985 0.980
1.055 1.080 1.105
0.992 0.987 0.983
0.982 0.975 0.967
1.055 1.100 1.145
0.995 0.990 0.986
0.985 0.979 0.971
1.072 1.094 1.116
THR
0.946 0.942
0.956 0.953
0.961 0.960
0.971 0.970
0.981 0.979
0.990 0.989
1.000 1.000
1.010 1.009
1.017 1.019
1.026 1.029
80.6 85
1.305 S
1.082 1.312
1 1.22
0.855 1.081
0.618 0.848
Power
0.785
0.832
0.878
0.926
0.960
1.000
1.028
1.064
1.111
25% 30%
0.989 0.987
0.974 0.969
1.135 1.165
0.979 0.975
0.958 0.951
1.200 1.260
0.982 0.980
0.963 0.954
1.140 1.165
Heating
HC Power
1.075
1.059
1.039
1.023
1.015
1.007
1.000
0.994
0.992
0.991
90 95
S S
S S
1.475 S
1.331 1.543
1.09 1.296
Heat Extraction
1.162
1.125
1.079
1.064
1.023
1.000
0.983
0.957
0.918
40%
0.984
0.964
1.210
0.970
0.943
1.320
0.978
0.946
1.196
HE
0.940
0.949
0.958
0.969
0.979
0.989
1.000
1.010
1.018
1.028
Heat
Rejection
0.904
0.979
1
1.039
1.107
19