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R e s i d e n t i a l P a c k a g e d U n i t s - 6 0 H z P u r o n
®
R e v. : 4 J a n . , 2 0 1 2
36
Unit Operating Conditions
Table 10: Water Temperature Change Through Heat
Exchanger
Model
GPM
Pressure Drop (psi)
30°F
50°F
70°F
90°F
026
4.0
6.0
7.0
8.0
1.5
3.1
4.1
5.1
1.3
2.6
3.4
4.3
1.1
2.3
3.0
3.8
1.0
2.1
2.7
3.4
038
4.0
6.0
8.0
9.0
1.2
2.6
4.5
5.7
1.0
2.5
4.2
5.2
0.8
2.3
4.0
4.8
0.6
2.1
3.7
4.4
049
5.5
8.3
11.0
12.0
1.1
2.2
3.9
4.5
0.9
2.1
3.6
4.2
0.8
2.0
3.2
3.8
0.7
1.8
3.1
3.5
064
7.0
10.5
14.0
15.0
0.5
1.9
3.9
4.8
0.3
1.8
3.5
4.3
0.2
1.7
3.2
3.9
0.1
1.6
2.9
3.5
072
7.5
11.3
15.0
17.0
1.7
3.9
6.9
8.9
1.5
3.4
6.0
7.7
1.3
3.0
5.4
6.9
1.3
2.8
5.0
6.5
Model
GPM
Pressure Drop (psi)
30°F
50°F
70°F
90°F
018
2.8
4.1
5.5
0.7
2.1
3.5
0.5
1.7
2.8
0.3
1.4
2.4
0.2
1.1
2.0
024
4.0
6.0
8.0
1.5
3.1
5.1
1.3
2.6
4.3
1.1
2.3
3.8
1.0
2.1
3.4
030
4.0
6.0
8.0
1.5
3.1
5.1
1.3
2.6
4.3
1.1
2.3
3.8
1.0
2.1
3.4
036
4.5
6.8
9.0
1.7
3.3
5.7
1.3
3.1
5.2
1.1
2.9
4.8
0.9
2.6
4.4
042
5.5
8.3
11.0
1.1
2.2
3.9
0.9
2.1
3.6
0.8
2.0
3.2
0.7
1.8
3.1
048
6.0
9.0
12.0
1.3
2.6
4.5
1.1
2.5
4.2
1.0
2.3
3.8
0.9
2.2
3.5
060
7.5
11.3
15.0
0.6
2.3
4.8
0.4
2.1
4.3
0.3
2.0
3.9
0.2
1.8
3.5
070
8.3
12.4
16.5
2.4
5.2
8.0
2.0
4.5
7.0
1.7
4.0
6.3
1.6
3.8
6.0
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
Antifreeze Correction Table
Table 9a: GT-PX Coax Water Pressure Drop
Table 9b: GT-PG Coax Water Pressure Drop