Table 2-8.49: 24HP heating part load performance
Outdoor air temp.
Part load
°C DB
°C WB
-25
-25.4
-19.8
-20
-18.8
-19
-16.7
-17
-13.7
-15
-11.8
-13
-9.8
-11
-9.5
-10
-8.5
-9.1
-7
-7.6
100%
-5
-5.6
-3
-3.7
0
-0.7
3
2.2
5
4.1
7
6
9
7.9
11
9.8
13
11.8
15
13.7
-25
-25.4
-19.8
-20
-18.8
-19
-16.7
-17
-13.7
-15
-11.8
-13
-9.8
-11
-9.5
-10
-8.5
-9.1
-7
-7.6
75%
-5
-5.6
-3
-3.7
0
-0.7
3
2.2
5
4.1
7
6
9
7.9
11
9.8
13
11.8
15
13.7
Abbreviations:
TC: Total capacity (kW)
PI: Power input (compressor + outdoor fan motor) (kW)
200
16
18
TC
PI
TC
PI
kW
kW
kW
kW
52.44
18.22
52.23
18.40
54.88
18.22
54.66
18.42
55.73
18.26
55.51
18.46
56.58
18.28
56.37
18.48
57.43
18.33
57.22
18.51
58.28
18.35
58.07
18.55
58.70
18.37
58.70
18.57
59.13
18.40
58.92
18.57
59.77
18.42
59.77
18.60
64.45
18.44
64.23
18.60
65.30
18.46
65.09
18.61
66.57
18.48
66.36
18.63
68.28
18.51
72.10
18.64
72.74
18.14
72.10
18.17
77.21
17.85
72.10
17.29
77.21
17.63
72.10
16.40
77.21
16.62
72.10
15.53
77.21
15.55
72.10
14.57
77.21
14.57
72.10
14.21
77.21
13.86
72.10
13.61
57.31
17.51
53.90
16.20
57.31
16.68
53.90
15.34
57.77
16.50
53.90
15.18
57.77
16.16
53.90
14.88
57.77
15.84
53.90
14.58
57.77
15.52
53.90
14.30
57.77
15.22
53.90
14.03
57.77
15.08
53.90
13.91
57.77
14.94
53.90
13.79
57.77
14.74
53.90
13.59
57.77
14.28
53.90
13.19
57.77
13.52
53.90
12.79
57.77
12.80
53.90
12.23
57.77
12.08
53.90
11.56
57.77
11.53
53.90
10.83
57.77
11.08
53.90
10.36
57.77
10.60
53.90
9.96
57.77
10.18
53.90
9.62
57.77
9.80
53.90
9.23
57.77
9.45
53.90
8.81
Indoor air temp. °C DB
20
21
TC
PI
TC
PI
kW
kW
kW
kW
52.02
18.50
52.02
18.71
54.45
18.62
54.45
18.73
55.30
18.66
55.30
18.75
56.37
18.68
56.15
18.80
57.22
18.73
57.00
18.82
58.07
18.75
57.85
18.86
58.49
18.77
58.49
18.86
58.92
18.82
58.70
18.88
59.56
18.88
59.34
18.91
64.23
19.26
64.02
19.60
65.09
18.81
64.45
19.04
66.36
18.20
64.45
17.94
67.00
17.69
64.45
17.13
67.00
17.18
64.45
16.29
67.00
16.37
64.45
15.56
67.00
15.33
64.45
14.73
67.00
14.90
64.45
14.37
67.00
14.41
64.45
13.79
67.00
13.85
64.45
13.30
67.00
13.34
64.45
12.83
50.26
15.92
48.21
15.63
50.26
15.03
48.21
14.74
50.26
14.87
48.21
14.58
50.26
14.61
48.21
14.32
50.26
14.33
48.21
14.04
50.26
14.10
48.21
13.81
50.26
13.84
48.21
13.55
50.26
13.49
48.21
13.20
50.26
13.04
48.21
12.75
50.26
12.47
48.21
12.18
50.26
12.13
48.21
11.84
50.26
11.78
48.21
11.49
50.26
11.28
48.21
10.99
50.26
10.59
48.21
10.30
50.26
10.19
48.21
9.90
50.26
9.66
48.21
9.40
50.26
9.34
48.21
9.05
50.26
8.97
48.21
8.68
50.26
8.54
48.21
8.25
50.26
8.20
48.21
7.91
22
24
TC
PI
TC
PI
kW
kW
kW
kW
52.02
18.82
51.80
19.06
54.45
18.84
54.24
18.93
55.30
18.86
55.09
18.78
56.15
18.91
55.94
18.68
57.00
18.93
56.79
18.46
57.85
18.95
56.79
18.26
58.28
18.97
56.79
18.23
58.70
19.00
56.79
18.08
59.34
19.02
56.79
17.80
61.90
18.64
56.79
17.74
61.90
18.08
56.79
17.24
61.90
17.51
56.79
16.67
61.90
16.65
56.79
15.94
61.90
15.66
56.79
15.16
61.90
15.02
56.79
14.49
61.90
14.41
56.79
13.85
61.90
13.99
56.79
13.40
61.90
13.47
56.79
12.84
61.90
13.00
56.79
12.40
61.90
12.53
56.79
11.92
46.39
15.43
42.53
14.86
46.39
14.55
42.53
13.97
46.39
14.39
42.53
13.81
46.39
14.13
42.53
13.55
46.39
13.85
42.53
13.27
46.39
13.61
42.53
13.03
46.39
13.35
42.53
12.77
46.39
13.00
42.53
12.42
46.39
12.55
42.53
11.97
46.39
11.99
42.53
11.41
46.39
11.65
42.53
11.07
46.39
11.29
42.53
10.72
46.39
10.79
42.53
10.21
46.39
10.11
42.53
9.53
46.39
9.71
42.53
9.13
46.39
9.21
42.53
8.63
46.39
8.86
42.53
8.28
46.39
8.48
42.53
7.91
46.39
8.05
42.53
7.47
46.39
7.72
42.53
7.14
Table continued on next page ...
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