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HEAT CONTROLLER, INC. WATER-SOURCE HEAT PUMPS
Residential Split - 60Hz R22 &R410A
Rev.: 5 June, 2008
38
Heat Controller, Inc. Water-Source Heating and Cooling Systems
Table 12a: Two-Stage HTS R-410A Compressor Section
Coax Water Pressure Drop
Unit Operating Conditions
Table 13: Water Temperature Change Through Heat
Exchanger
Table 12b: R-22 HSS Compressor Section Coax Water
Pressure Drop
Model GPM
Pressure Drop (psi)
30°F 50°F 70°F 90°F
024
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
036
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
048
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
060
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
Model GPM
Pressure Drop (psi)
30°F 50°F 70°F 90°F
018
2
4
5
6
0.6
1.6
2.1
2.8
0.6
1.4
2.0
2.6
0.5
1.3
1.8
2.4
0.5
1.3
1.7
2.3
024
3
5
6
8
0.6
1.3
1.8
2.9
0.6
1.2
1.7
2.7
0.5
1.1
1.5
2.5
0.5
1.1
1.4
2.3
030
4
6
8
10
0.9
1.8
2.9
4.2
0.9
1.7
2.7
3.9
0.8
1.5
2.5
3.6
0.8
1.4
2.3
3.4
036
5
7
9
12
1.6
2.6
3.9
6.4
1.4
2.4
3.7
5.9
1.3
2.3
3.4
5.5
1.3
2.1
3.2
5.2
042
6
8
11
13
2.1
3.2
5.5
7.3
1.9
3.0
5.1
6.8
1.8
2.8
4.7
6.3
1.7
2.6
4.5
5.9
048
6
9
12
15
2.1
3.9
6.4
9.4
1.9
3.7
5.9
8.7
1.8
3.4
5.5
8.1
1.7
3.2
5.2
7.6
060
8
11
15
18
1.2
2.1
3.6
5.0
1.2
2.0
3.4
4.7
1.1
1.8
3.1
4.3
1.0
1.7
2.9
4.1