Coax Pressure Drop Tables; Unit Operating Conditions - Heat Controller HTV Series Installation, Operation & Maintenance Manual

Htv/htd/hth series two-stage geothermal heat pumps 2 to 6 tons
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Installation, Operation & Maintenance

Unit Operating Conditions

Table 9a: HT Coax Water Pressure Drop
Model
GPM
30°F
2.3
0.7
3.0
1.1
026
3.4
1.3
024
4.5
2.0
6.0
3.1
3.0
1.5
4.5
2.6
038
6.0
3.8
036
6.8
4.5
9.0
6.9
4.5
1.5
6.0
2.6
049
6.8
3.8
048
9.0
4.5
12.0
6.9
6.0
0.9
7.5
1.7
9.0
2.5
064
060
11.3
3.7
12.0
4.1
15.0
6.1
7.0
1.4
8.5
2.2
10.5
3.3
072
070
12.8
4.6
14.0
5.4
17.0
7.6
Table 10: Water Temperature Change Through Heat Exchanger
Antifreeze Correction Table
Antifreeze
Antifreeze Type
%
Water
0
5
Propylene Glycol
15
25
5
Methanol
15
25
5
Ethanol
15
25
5
Ethylene Glycol
15
25
HTV/HTD/HTH SERIES
Pressure Drop (psi)
50°F
70°F
90°F
0.4
0.4
0.5
0.7
0.6
0.7
0.9
0.8
0.8
1.4
1.2
1.2
2.3
1.9
1.8
0.9
0.8
0.9
1.7
1.5
1.5
2.7
2.3
2.2
3.2
2.7
2.6
5.2
4.4
4.1
0.6
0.5
0.3
1.1
1.0
0.9
1.4
1.3
1.2
2.5
2.3
2.2
4.2
3.8
3.5
0.2
0.2
0.3
0.9
0.7
0.8
1.5
1.3
1.4
2.6
2.3
2.3
3.0
2.6
2.6
4.7
4.1
4.0
0.7
0.5
0.7
1.3
1.1
1.2
2.2
1.9
2.0
3.4
3.0
2.9
4.1
3.6
3.5
6.0
5.4
5.2
Cooling
EWT 90°F
Total Cap
Sens Cap
Power
1.000
1.000
0.995
0.995
0.986
0.986
0.978
0.978
0.997
0.997
0.990
0.990
0.982
0.982
0.998
0.998
0.994
0.994
0.986
0.986
0.998
0.998
0.994
0.994
0.988
0.988
Heating
EWT 30°F
Htg Cap
Power
1.000
1.000
1.000
1.003
0.989
0.997
1.009
0.968
0.990
1.014
0.947
0.983
1.002
0.989
0.997
1.007
0.968
0.990
1.012
0.949
0.984
1.002
0.981
0.994
1.005
0.944
0.983
1.009
0.917
0.974
1.002
0.993
0.998
1.004
0.980
0.994
34
1.008
0.966
0.990
Heat Controller, Inc.
WPD
Corr. Fct.
EWT 30°F
1.000
1.070
1.210
1.360
1.070
1.160
1.220
1.140
1.300
1.360
1.040
1.120
1.200

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