Part 2 - Out
door Unit Engineering Da
ta
Amazon Unitario Top Discharge
109
Table 2-8.18: 20HP heating capacity (continued)
CR
Outdoor
air temp.
Indoor air temp. °C DB
16.0
18.0
20.0
21.0
22.0
24.0
TC
PI
TC
PI
TC
PI
TC
PI
TC
PI
TC
PI
°C DB
°C WB
kW
kW
kW
kW
kW
kW
kW
kW
kW
kW
kW
kW
70%
-25
-25.4
50.40
24.48
47.40
22.64
44.20
22.25
42.40
21.84
40.80
21.57
37.40
20.76
-19.8
-20
50.40
23.31
47.40
21.44
44.20
21.01
42.40
20.61
40.80
20.34
37.40
19.52
-18.8
-19
50.80
23.06
47.40
21.22
44.20
20.79
42.40
20.38
40.80
20.11
37.40
19.30
-16.7
-17
50.80
22.58
47.40
20.80
44.20
20.43
42.40
20.02
40.80
19.75
37.40
18.94
-13.7
-15
50.80
22.14
47.40
20.38
44.20
20.04
42.40
19.63
40.80
19.36
37.40
18.55
-11.8
-13
50.80
21.69
47.40
19.99
44.20
19.70
42.40
19.30
40.80
19.03
37.40
18.22
-9.8
-11
50.80
21.27
47.40
19.60
44.20
19.34
42.40
18.93
40.80
18.66
37.40
17.85
-9.5
-10
50.80
21.08
47.40
19.44
44.20
18.85
42.40
18.45
40.80
18.18
37.40
17.37
-8.5
-9.1
50.80
20.89
47.40
19.27
44.20
18.22
42.40
17.82
40.80
17.55
37.40
16.74
-7
-7.6
50.80
20.61
47.40
18.99
44.20
17.43
42.40
17.03
40.80
16.76
37.40
15.95
-5
-5.6
50.80
19.97
47.40
18.43
44.20
16.96
42.40
16.55
40.80
16.28
37.40
15.47
-3
-3.7
50.80
18.89
47.40
17.88
44.20
16.46
42.40
16.06
40.80
15.79
37.40
14.98
0
-0.7
50.80
17.89
47.40
17.10
44.20
15.76
42.40
15.36
40.80
15.09
37.40
14.28
3
2.2
50.80
16.88
47.40
16.17
44.20
14.80
42.40
14.40
40.80
14.13
37.40
13.31
5
4.1
50.80
16.11
47.40
15.13
44.20
14.24
42.40
13.84
40.80
13.57
37.40
12.76
7
6
50.80
15.48
47.40
14.48
44.20
13.51
42.40
13.14
40.80
12.87
37.40
12.06
9
7.9
50.80
14.81
47.40
13.92
44.20
13.06
42.40
12.65
40.80
12.38
37.40
11.57
11
9.8
50.80
14.23
47.40
13.45
44.20
12.54
42.40
12.13
40.80
11.86
37.40
11.05
13
11.8
50.80
13.70
47.40
12.90
44.20
11.93
42.40
11.53
40.80
11.26
37.40
10.45
15
13.7
50.80
13.20
47.40
12.32
44.20
11.47
42.40
11.06
40.80
10.79
37.40
9.98
60%
-25
-25.4
43.60
22.81
40.80
21.57
37.80
20.57
36.40
20.10
34.80
19.26
32.00
18.26
-19.8
-20
43.60
21.60
40.80
20.58
37.80
19.79
36.40
19.23
34.80
18.36
32.00
17.31
-18.8
-19
43.60
21.05
40.80
19.87
37.80
19.09
36.40
18.58
34.80
17.64
32.00
16.70
-16.7
-17
43.60
20.39
40.80
19.25
37.80
18.50
36.40
17.87
34.80
16.98
32.00
16.03
-13.7
-15
43.60
19.69
40.80
18.68
37.80
17.93
36.40
17.20
34.80
16.32
32.00
15.36
-11.8
-13
43.60
18.99
40.80
17.99
37.80
17.24
36.40
16.61
34.80
15.62
32.00
14.68
-9.8
-11
43.60
18.38
40.80
17.32
37.80
16.41
36.40
15.85
34.80
14.96
32.00
14.14
-9.5
-10
43.60
17.72
40.80
16.63
37.80
15.74
36.40
15.17
34.80
14.31
32.00
13.37
-8.5
-9.1
43.60
16.98
40.80
16.03
37.80
15.08
36.40
14.52
34.80
13.64
32.00
12.60
-7
-7.6
43.60
16.35
40.80
15.34
37.80
14.56
36.40
14.03
34.80
13.11
32.00
12.05
-5
-5.6
43.60
15.75
40.80
14.78
37.80
13.83
36.40
13.45
34.80
12.59
32.00
11.48
-3
-3.7
43.60
15.20
40.80
14.19
37.80
13.22
36.40
12.91
34.80
12.03
32.00
11.08
0
-0.7
43.60
14.59
40.80
13.63
37.80
12.62
36.40
12.29
34.80
11.43
32.00
10.87
3
2.2
43.60
13.92
40.80
12.98
37.80
12.14
36.40
11.79
34.80
10.85
32.00
10.47
5
4.1
43.60
13.21
40.80
12.42
37.80
11.69
36.40
11.26
34.80
10.60
32.00
10.25
7
6
43.60
12.61
40.80
11.89
37.80
11.15
36.40
10.81
34.80
10.54
32.00
10.05
9
7.9
43.60
12.39
40.80
11.63
37.80
10.97
36.40
10.55
34.80
10.10
32.00
9.61
11
9.8
43.60
12.20
40.80
11.46
37.80
10.69
36.40
10.30
34.80
9.89
32.00
9.43
13
11.8
43.60
11.82
40.80
11.07
37.80
10.35
36.40
10.07
34.80
9.68
32.00
9.22
15
13.7
43.60
11.68
40.80
10.85
37.80
10.05
36.40
9.83
34.80
9.43
32.00
8.96
50%
-25
-25.4
36.40
18.89
34.00
17.86
31.60
17.03
30.20
16.64
29.00
16.22
26.60
15.12
-19.8
-20
36.40
17.89
34.00
17.04
31.60
16.38
30.20
15.92
29.00
15.47
26.60
14.33
-18.8
-19
36.40
17.43
34.00
16.45
31.60
15.80
30.20
15.38
29.00
14.88
26.60
13.82
-16.7
-17
36.40
16.88
34.00
15.94
31.60
15.32
30.20
14.79
29.00
14.33
26.60
13.27
-13.7
-15
36.40
16.30
34.00
15.46
31.60
14.84
30.20
14.24
29.00
13.79
26.60
12.72
-11.8
-13
36.40
15.72
34.00
14.89
31.60
14.27
30.20
13.75
29.00
13.21
26.60
12.15
-9.8
-11
36.40
15.21
34.00
14.34
31.60
13.59
30.20
13.12
29.00
12.66
26.60
11.70
-9.5
-10
36.40
14.67
34.00
13.76
31.60
13.03
30.20
12.56
29.00
12.12
26.60
11.07
-8.5
-9.1
36.40
14.06
34.00
13.27
31.60
12.48
30.20
12.02
29.00
11.57
26.60
10.43
-7
-7.6
36.40
13.54
34.00
12.70
31.60
12.05
30.20
11.62
29.00
11.13
26.60
9.98
-5
-5.6
36.40
13.04
34.00
12.23
31.60
11.45
30.20
11.13
29.00
10.70
26.60
9.51
-3
-3.7
36.40
12.58
34.00
11.75
31.60
10.94
30.20
10.69
29.00
10.24
26.60
9.17
0
-0.7
36.40
12.08
34.00
11.28
31.60
10.45
30.20
10.17
29.00
9.74
26.60
9.00
3
2.2
36.40
11.52
34.00
10.74
31.60
10.05
30.20
9.76
29.00
9.26
26.60
8.95
5
4.1
36.40
10.94
34.00
10.28
31.60
9.68
30.20
9.32
29.00
9.05
26.60
8.85
7
6
36.40
10.44
34.00
9.85
31.60
9.23
30.20
8.95
29.00
8.91
26.60
8.60
9
7.9
36.40
10.26
34.00
9.62
31.60
9.08
30.20
8.74
29.00
8.54
26.60
8.33
11
9.8
36.40
10.10
34.00
9.49
31.60
8.85
30.20
8.53
29.00
8.39
26.60
8.17
13
11.8
36.40
9.79
34.00
9.17
31.60
8.57
30.20
8.34
29.00
8.20
26.60
8.00
15
13.7
36.40
9.67
34.00
8.98
31.60
8.32
30.20
8.14
29.00
7.98
26.60
7.78
Abbreviations:
CR: Combination ratio
TC: Total capacity (kW)
PI: Power input (comp outdoor fan motor) (kW)
Notes:
1. Shaded cells indicate rating condition.