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Heat Controller, Inc.
Engineering Design Guide
Geothermal Heat Pump Systems
PERFORMANCE DATA
HT070 Part Load
PERfoRmaNcE Data
HTV070 & HTD070 Part Load
HTV070, HTD070 & HTH070 Part Load
1600 CFM Rated Airflow
WPD
EWT °F
GPM
PSI
20
15.0
10.1
7.5
1.7
30
11.25
3.9
15.0
6.9
7.5
1.6
40
11.25
3.6
15.0
6.5
7.5
1.5
50
11.25
3.4
15.0
6.0
PERFORMANCE DATA
7.5
1.4
HT060 Part Load
60
11.25
3.1
15.0
5.4
7.5
1.3
70
11.25
3.0
15.0
5.4
7.5
1.3
EWT °F
80
11.25
2.8
15.0
5.0
7.5
1.3
90
11.25
2.8
15.0
5.0
7.5
1.2
100
11.25
2.7
15.0
4.8
7.5
1.1
110
11.25
2.5
15.0
4.5
7.5
1.1
120
11.25
2.4
15.0
4.3
†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.
†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
COOLING - EAT 80°F DB / 67°F WB
Sens/Tot
FT
TC
SC
Ratio
Operation Not Recommended
23.3
3.9
59.1
42.1
0.71
9.0
60.0
42.5
0.71
15.9
61.0
43.1
0.71
3.7
61.1
43.0
0.70
8.3
61.8
43.5
0.70
15.0
62.5
43.8
0.70
Heat Controller • Geothermal Heat Pump Systems
3.5
61.9
43.5
0.70
7.9
62.6
43.9
0.70
13.9
62.9
44.0
0.70
3.2
59.7
42.3
0.71
7.2
61.2
43.1
0.70
12.5
61.8
43.4
0.70
3.0
56.8
40.9
0.72
6.9
1350 CFM Rated Airflow
58.6
41.8
0.71
COOLING - EAT 80°F DB / 67°F WB
WPD
12.5
59.5
42.2
0.71
3.0
GPM
PSI
53.3
FT
39.4
TC
SC
0.74
6.5
55.4
40.3
0.73
20
14.0
4.1
9.4
7.0
0.5
1.1
49.1
34.5
11.6
56.4
40.7
0.72
30
10.5
1.9
4.4
50.1
34.9
3.0
49.7
37.9
0.76
14.0
3.9
9.0
51.6
35.7
6.5
51.8
38.7
0.75
7.0
0.4
0.9
51.9
37.1
40
10.5
1.9
4.3
52.3
37.2
11.6
52.8
39.1
0.74
14.0
3.7
8.6
52.7
37.2
2.8
46.1
36.6
0.79
7.0
0.3
0.7
52.0
37.9
6.2
48.1
37.2
0.77
50
10.5
1.8
4.1
52.6
37.9
11.1
14.0
3.5
49.1
8.2
37.6
52.8
37.9
0.77
7.0
0.3
0.6
50.2
37.1
2.5
42.9
35.7
0.83
60
10.5
1.7
4.0
51.3
37.6
5.8
44.5
36.1
0.81
14.0
3.4
7.8
51.8
37.8
10.4
45.5
36.3
0.80
7.0
0.2
0.5
47.5
35.8
70
10.5
1.7
3.9
49.1
36.6
2.5
40.2
35.5
0.88
14.0
3.2
7.5
49.8
36.9
5.5
41.5
35.5
0.85
7.0
0.2
0.4
44.5
34.3
9.9
42.3
35.6
0.84
80
10.5
1.6
3.8
46.1
35.1
14.0
3.1
7.2
46.9
35.5
7.0
0.1
0.3
41.2
32.8
90
10.5
1.6
3.6
42.9
33.5
14.0
2.9
6.8
43.7
33.9
7.0
0.1
0.2
38.1
31.5
100
10.5
1.5
3.5
39.6
32.0
14.0
2.8
6.5
40.4
32.4
7.0
0.1
0.2
35.5
30.7
110
10.5
1.4
3.3
36.7
31.0
14.0
2.7
6.2
37.3
31.2
7.0
0.0
0.1
33.7
30.3
120
10.5
1.4
3.2
34.4
30.4
14.0
2.6
6.0
34.9
30.6
n
KW
HR
EER
2.25
66.8
26.3
2.15
67.3
27.9
2.10
68.1
29.0
2.46
69.5
24.8
2.33
69.8
26.6
2.27
70.2
27.5
2.72
71.2
22.8
2.55
71.3
24.5
2.48
71.4
25.4
3.02
70.0
19.8
2.83
70.8
21.6
2.74
71.1
22.6
Performance capacities shown in thousands of Btuh.
3.36
68.3
16.9
3.15
69.4
18.6
3.05
69.9
19.5
Sens/Tot
3.76
KW
HR
66.2
EER
14.2
HWG
HC
Ratio
3.52
67.4
15.7
Operation Not Recommended
28.4
0.70
1.56
54.4
31.4
-
31.3
3.41
68.0
16.6
0.70
1.52
55.2
32.9
-
32.3
4.21
64.1
11.8
0.69
1.51
56.7
34.3
-
32.8
3.95
65.3
13.1
0.71
1.71
57.8
30.4
-
35.7
0.71
1.63
57.9
32.2
-
37.0
3.82
65.9
13.8
0.71
1.59
58.1
33.1
-
37.7
4.73
62.2
9.8
0.73
1.91
58.5
27.3
1.0
40.4
4.44
63.2
10.8
0.72
1.79
58.7
29.4
0.9
41.9
0.72
4.29
1.74
58.7
63.7
30.4
11.4
0.8
42.8
0.74
2.15
57.5
23.3
1.7
45.2
5.31
61.0
8.1
0.73
2.01
58.2
25.6
1.5
47.0
4.99
61.6
8.9
0.73
1.94
58.4
26.7
1.4
47.9
4.83
61.9
9.4
0.75
2.44
55.9
19.5
2.3
50.0
0.75
2.28
56.8
21.5
2.1
52.1
5.97
60.6
6.7
0.74
2.20
57.3
22.6
1.9
53.1
5.61
60.7
7.4
0.77
2.78
53.9
16.0
3.0
54.8
5.44
60.8
7.8
0.76
2.59
55.0
17.8
2.7
57.0
0.76
2.51
55.5
18.7
2.4
58.1
0.79
3.16
52.0
13.0
3.5
59.5
0.78
2.96
53.0
14.5
3.2
61.7
0.78
2.86
53.5
15.3
2.9
62.9
0.82
3.59
50.4
10.6
4.1
0.81
3.38
51.1
11.7
3.7
0.80
3.27
51.6
12.4
3.3
0.86
4.08
49.4
8.7
4.7
0.84
3.84
49.8
9.5
4.1
0.83
3.73
50.0
10.0
3.7
0.90
4.63
49.5
7.3
5.1
0.88
4.36
49.3
7.9
4.6
0.88
4.24
49.3
8.2
4.1
Page 14
18
16
21
Heat Controller GeoMax 2
Performance capacities shown in thousands of Btuh.
HEATING - EAT 70°F
HWG
HC
KW
HE
33.0
3.68
20.4
-
36.9
3.74
24.1
-
38.3
3.77
25.4
-
39.0
3.78
26.1
-
43.1
3.84
30.0
-
45.0
3.87
31.8
-
46.1
3.88
32.8
2.3
49.9
3.94
36.4
2.1
52.3
3.97
38.8
1.9
53.7
3.99
40.1
2.8
56.9
4.04
43.2
2.5
59.9
4.09
46.0
2.3
61.6
4.11
47.5
3.4
64.1
4.15
49.9
3.1
67.5
4.21
53.1
HEATING - EAT 70°F
2.9
69.3
4.24
54.9
4.2
KW
71.1
HE
LAT
4.27
COP
HWG
56.5
3.8
74.7
4.34
59.9
2.44
20.0
89.5
3.40
3.4
2.54
22.7
91.5
3.61
3.5
3.5
76.6
4.38
61.7
2.55
23.6
92.2
3.71
3.5
5.1
77.7
4.40
62.7
2.55
24.1
92.5
3.77
3.4
4.7
81.3
4.48
66.0
2.66
26.7
94.5
3.94
3.6
2.68
27.9
95.4
4.05
3.6
4.3
83.1
4.52
67.7
2.69
28.5
95.8
4.10
3.5
6.1
2.82
30.8
97.7
4.19
3.7
5.7
2.83
32.3
98.8
4.34
3.7
5.2
2.84
33.1
99.3
4.42
3.6
2.86
35.5
101.0
4.64
3.9
7.4
2.87
37.2
102.2
4.80
3.8
6.8
Operation Not Recommended
2.88
38.1
102.9
4.88
3.8
6.2
2.90
40.2
104.3
5.06
4.1
2.92
42.1
105.7
5.23
4.1
8.7
2.93
43.1
106.4
5.32
3.5
8.1
2.95
44.8
107.6
5.45
4.4
7.4
2.98
46.8
109.1
5.61
4.3
3.00
47.9
109.9
5.68
4.3
3.02
49.2
110.8
5.77
4.7
3.06
51.3
112.3
5.91
4.6
3.09
52.4
113.1
5.97
4.0
Operation Not Recommended
Rev: 01/07/07JH
Heat Controller, Inc.
Submittal Data
LAT
COP
HWG
89.1
2.62
4.1
91.3
2.89
4.8
92.1
2.98
4.8
92.6
3.03
4.8
94.9
3.29
5.5
96.0
3.41
5.5
96.7
3.48
5.5
98.9
3.71
6.2
100.3
3.86
6.1
101.1
3.94
6.1
103.0
4.13
6.8
104.7
4.30
8.3
105.6
4.39
6.8
107.1
4.52
7.4
109.1
4.70
7.4
110.1
4.79
7.4
111.1
4.88
8.0
113.2
5.05
8.0
114.4
5.13
8.0
115.0
5.18
8.6
117.1
5.32
8.6
118.1
5.39
8.5
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