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Engineering Design Guide
Heat Controller, Inc.
Heat Controller • Geothermal Heat Pump Systems
Geothermal Heat Pump Systems
PERFORMANCE DATA
HT024 Part Load
HTV024 & HTD024 Part Load
HTV024, HTD024 & HTH024 Part Load
560 CFM Rated Airflow
EWT °F
GPM
20
7.0
3.5
30
5.8
7.0
3.5
40
5.8
7.0
3.5
50
5.8
7.0
3.5
60
5.8
7.0
3.5
70
5.8
7.0
3.5
80
5.8
7.0
3.5
90
5.8
7.0
3.5
100
5.8
7.0
3.5
110
5.8
7.0
3.5
120
5.8
7.0
†ARI/ASHRAE/ISO 13256-1 (WLHP applications) certified conditions are 86°F EWT, 80.6°F DB / 66.2°F WB
EAT in cooling and 68°F DB / 59°F WB EAT in heating.
Interpoaltion is permissable, extrapolation is not.
All entering air conditions are 80°F DB and 67°F WB in cooling and 70°F DB in heating
All performance data is based upon the lower voltage of dual voltage rated units
See performance correction tables for operating conditions other than those listed above.
Operation below 60°F EWT requires optional insulated water circuit.
Operation below 40°F EWT is based upon 15% antifreeze solution.
HTV/HTH/HTD SERIES
HTV/HTD/HTH SERIES
Two Stage Geothermal Heat Pump Systems
WPD
COOLING - EAT 80°F DB / 67°F WB
Sens/Tot
PSI
FT
TC
SC
Ratio
Operation Not Recommended
4.5
10.3
1.2
2.8
21.6
13.5
0.62
2.8
6.5
21.9
13.5
0.62
4.1
9.4
21.9
13.5
0.62
1.1
2.5
22.4
14.5
0.65
2.6
5.9
22.6
14.6
0.65
3.6
8.4
22.6
14.6
0.64
1.0
2.3
22.2
14.9
0.67
2.4
5.5
22.4
14.9
0.67
3.4
7.9
22.5
14.9
0.67
1.0
2.2
21.4
14.8
0.69
2.2
5.1
21.9
15.0
0.68
3.2
7.4
22.0
15.0
0.68
0.9
2.1
20.2
14.3
0.71
2.1
4.8
20.9
14.6
0.70
3.0
7.0
21.1
14.7
0.70
0.8
1.9
18.9
13.7
0.73
2.0
4.5
19.6
14.0
0.72
2.8
6.5
19.8
14.1
0.71
0.8
1.8
17.6
13.2
0.75
1.9
4.3
18.1
13.4
0.74
2.7
6.2
18.4
13.5
0.73
0.8
1.8
16.2
12.5
0.78
1.8
4.1
16.7
12.7
0.76
2.6
6.0
16.9
12.8
0.76
0.7
1.7
15.1
12.3
0.81
1.7
4.0
15.4
12.2
0.79
2.5
5.7
15.6
12.3
0.79
0.7
1.6
14.2
12.2
0.86
1.7
3.9
14.5
12.1
0.84
2.4
5.5
14.6
12.1
0.83
Heat Controller GeoMax 2
n
KW
HR
EER
HWG
HC
11.4
0.5
0.57
23.6
37.8
-
13.3
0.56
23.8
38.7
0.4
-
13.9
0.4
0.56
23.8
39.3
-
14.1
0.64
24.6
34.8
0.7
-
15.7
0.60
24.6
37.4
0.7
-
16.4
0.6
0.60
24.7
37.8
-
16.6
1.1
0.73
24.7
30.3
0.7
17.9
0.68
24.7
33.0
1.0
0.6
18.7
0.9
0.67
24.7
33.7
0.6
18.9
0.84
24.2
25.6
1.1
20.0
2.1
1.9
0.78
24.5
28.2
1.0
20.8
0.76
24.6
29.0
0.9
21.0
1.7
0.96
23.5
21.1
1.9
1.4
22.0
1.7
0.89
23.9
23.5
1.3
22.8
0.87
24.0
24.2
1.5
1.2
23.1
1.09
22.6
17.3
2.4
1.8
23.9
1.02
23.1
19.2
2.3
1.6
24.8
2.1
1.00
23.2
19.8
1.5
25.1
1.24
21.8
14.3
3.3
2.2
25.8
1.17
22.1
15.6
3.0
1.9
26.8
1.14
22.3
16.1
2.8
1.8
27.1
3.8
1.40
20.9
11.6
2.4
3.7
1.33
21.2
12.6
2.2
3.6
1.31
21.3
12.9
2.0
1.57
20.5
9.6
4.9
2.7
4.7
1.51
20.6
10.2
2.5
1.49
20.6
10.5
4.5
2.2
1.82
20.4
7.8
6.2
3.0
5.9
1.71
20.3
8.4
2.7
5.7
1.69
20.3
8.6
2.4
Page 8
10
13
8
Performance capacities shown in thousands of Btuh.
HEATING - EAT 70°F
KW
HE
LAT
COP
1.06
7.8
88.8
3.14
1.10
9.6
92.1
3.54
1.11
10.2
93.0
3.69
1.11
10.3
93.3
3.74
1.17
11.8
96.0
3.95
1.17
12.4
97.1
4.11
1.17
12.6
97.4
4.16
1.19
13.9
99.7
4.41
1.19
14.6
100.9
4.58
1.20
14.8
101.2
4.63
1.23
15.8
103.1
4.77
1.23
16.6
104.4
4.94
1.24
16.8
104.8
4.99
1.24
17.7
106.3
5.18
1.25
18.5
107.7
5.35
1.25
18.8
108.1
5.39
1.26
19.6
109.5
5.55
1.27
20.5
111.0
5.71
1.27
20.7
111.4
5.76
1.28
21.4
112.6
5.88
1.30
22.3
114.3
6.05
1.30
22.6
114.8
6.10
Operation Not Recommended
Rev: 01/07/07JH
Heat Controller, Inc.
Submittal Data
HWG
1.4
1.9
1.5
2.0
1.6
2.0
1.6
1.9
1.6
2.0
1.7
2.0
1.8
2.0
1.7
2.1
1.8
2.1
1.9
2.0
2.2
1.9
2.0
2.2
2.1
2.1
2.1
2.3
2.2
2.3
2.2
2.3
2.4
2.2
2.3
2.4
2.4
2.4
2.4
2.6
2.5
2.6
2.5
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