Comfort-Aire HEH Series 2 to 5 Tons - Manual (Page 36)

36
Installation, Operation & Maintenance HEV/H SERIES Heat Controller, LLC.
UNIT OPERATING CONDITIONS
Table 11: Water Temperature Change Through Heat
Exchanger
9 - 12
20 - 26
4 - 8
10 - 17
Antifreeze Type
Antifreeze
%
Cooling Heating
WPD
Corr. Fct.
EWT 30°F
EWT 90°F EWT 30°F
Total Cap Sens Cap Power Htg Cap Power
Water 0 1.000 1.000 1.000 1.000 1.000 1.000
Propylene Glycol
5 0.995 0.995 1.003 0.989 0.997 1.070
15 0.986 0.986 1.009 0.968 0.990 1.210
25 0.978 0.978 1.014 0.947 0.983 1.360
Methanol
5 0.997 0.997 1.002 0.989 0.997 1.070
15 0.990 0.990 1.007 0.968 0.990 1.160
25 0.982 0.982 1.012 0.949 0.984 1.220
Ethanol
5 0.998 0.998 1.002 0.981 0.994 1.140
15 0.994 0.994 1.005 0.944 0.983 1.300
25 0.986 0.986 1.009 0.917 0.974 1.360
Ethylene Glycol
5 0.998 0.998 1.002 0.993 0.998 1.040
15 0.994 0.994 1.004 0.980 0.994 1.120
25 0.988 0.988 1.008 0.966 0.990 1.200
Table 12: Antifreeze Correction
Table 10: HE Coax Water Pressure Drop
Model GPM
Pressure Drop (psi)
30°F 50°F 70°F 90°F
024
Rev B
2.5
3.0
3.8
4.5
6.0 0.8
1.2
1.8
2.7
3.9 0.3
0.6
1.1
1.6
2.8 0.2
0.5
0.9
1.2
2.2 0.2
0.5
0.8
1.2
2.0
030
3.0
3.8
4.5
6.0
7.5 1.7
2.3
2.7
3.8
5.1 0.9
1.2
1.6
2.4
3.5 0.8
1.1
1.4
2.2
3.1 0.8
1.1
1.4
2.1
2.9
036
Rev B
4.0
6.0
6.8
8.0
9.0 0.6
1.8
2.3
3.2
4.0 0.1
1.0
1.5
2.2
2.9 0.1
0.7
1.1
1.8
2.4 0.1
0.7
1.1
1.7
2.3
042
3.8
5.3
7.5
7.9
10.5
1.7
2.7
4.5
4.8
7.4 1.0
1.8
3.1
3.4
5.4 0.9
1.6
2.8
3.1
4.9 0.9
1.5
2.6
2.9
4.7
048
4.5
6.0
6.8
9.0
12.0
1.4
2.0
2.5
4.0
6.5 1.1
1.7
2.1
3.4
5.5 0.9
1.4
1.8
3.0
4.9 0.8
1.3
1.7
2.7
4.5
060
6.0
7.5
9.0
12.0
15.0
4.0
5.4
6.8
10.6
16.2
2.6
3.8
4.9
7.9
12.8
2.4
3.3
4.4
7.0
11.1
2.4
3.3
4.3
6.7
10.1