Air flow correction factors – York 359583-YTG-B-0208 User Manual
Page 9
359583-YTG-B-0208
Johnson Controls Unitary Products
9
NOTE: All capacity data shown is NET - includes motor power/heat at design
CFM and HI fan speed. Tabulated kW values do not include allowance for
external pumping power.
TABLE 7: RP 030 @ 1000 CFM NOMINAL AIRFLOW VERTICAL AND HORIZONTAL MODELS
EWT
(ºF)
GPM
WPD
(PSI)
Cooling
EWT(ºF)
GPM
Heating
EAT
(db/wb)
TC
(MBH)
SC
(MBH)
KW
THR
(MBH)
EAT
(db)
HC
(MBH)
KW
H Absrp.
(MBH)
50
75/62
32.8
25.0
1.71
38.6
50
60
27.0
1.91
20.5
4.5
3.6
80/67
36.2
24.8
1.74
42.1
4.5
70
26.6
2.04
19.7
85/72
39.5
24.4
1.77
45.5
80
26.4
2.16
19.0
75/62
33.7
25.4
1.60
39.1
60
28.2
1.95
21.5
7.5
9.0
80/67
37.1
25.2
1.62
42.6
7.5
70
27.8
2.09
20.7
85/72
40.5
24.8
1.64
46.1
80
27.5
2.22
20.0
60
75/62
31.2
24.3
1.92
37.7
60
60
30.9
2.04
23.9
4.5
3.5
80/67
34.5
24.2
1.94
41.1
4.5
70
30.4
2.18
23.0
85/72
37.5
23.8
1.98
44.2
80
30.1
2.31
22.2
75/62
32.0
24.7
1.82
38.2
60
32.7
2.09
25.6
7.5
8.7
80/67
35.5
24.6
1.84
41.8
7.5
70
32.2
2.24
24.6
85/72
38.7
24.2
1.86
45.0
80
31.8
2.38
23.7
70
75/62
29.5
23.6
2.09
36.6
70
60
35.7
2.18
28.2
4.5
3.3
80/67
32.7
23.5
2.12
39.9
4.5
70
35.1
2.34
27.1
85/72
35.7
23.2
2.17
43.1
80
34.6
2.49
26.1
75/62
30.5
24.0
1.99
37.3
60
37.9
2.19
30.4
7.5
8.2
80/67
33.9
23.9
2.02
40.8
7.5
70
37.2
2.35
29.2
85/72
37.0
23.6
2.05
44.0
80
36.7
2.50
28.1
85
75/62
27.0
22.6
2.31
34.9
80
60
40.2
2.31
32.3
4.5
3.1
80/67
30.0
22.5
2.37
38.1
4.5
70
39.4
2.48
31.0
85/72
32.7
22.1
2.45
41.0
80
38.9
2.64
29.9
75/62
27.8
22.9
2.24
35.4
60
42.2
2.38
34.0
7.5
7.8
80/67
31.0
22.9
2.27
38.7
7.5
70
41.4
2.55
32.7
85/72
33.9
22.5
2.33
41.8
80
40.8
2.71
31.5
100
75/62
24.5
21.5
2.50
33.0
4.5
3.0
80/67
27.2
21.4
2.58
36.0
85/72
29.6
21.1
2.70
38.8
75/62
25.1
21.8
2.46
33.5
7.5
7.5
80/67
28.2
21.8
2.51
36.7
85/72
30.8
21.5
2.60
39.6
TC = TOTAL COOLING CAPACITY
SC = SENSIBLE COOLING CAPACITY
THR = TOTAL HEAT REJECTION
HC = TOTAL HEATING CAPACITY
WPD = WATER PRESSURE DROP
AIR FLOW CORRECTION FACTORS
AIRFLOW
HEATING
COOLING
%
OF
Nominal
CFM
HC
Input
Power
Heat
Absrp.
TC
SC
Input
Power
THR
80
800
0.986
1.058
0.969
0.966
0.893
0.992
0.971
90
900
0.993
1.029
0.985
0.983
0.947
0.996
0.986
100
1000
1.000
1.000
1.000
1.000
1.000
1.000
1.000
110
1100
1.007
0.977
1.014
1.011
1.049
1.004
1.011
115
1150
1.010
0.965
1.021
1.017
1.074
1.006
1.016