Trane HUV Installation Operation & Maintenance page 85

Table E2: Minimum Circuit Ampacity (MCA) for Electric Heat Coils with High Static Motors
Unit Size No of Elem
075
100
3
125
150
200
075
100
4
125
150
200
075
100
6
125
150
200
075
100
7
125
150
200
075
100
9
125
150
200
For Trane controls, add the
following values to determine
TOTAL MCA
Volts Amps
120 0.94
208 0.55
240 0.48
277 0.41
480 0.41
UV-PRC001-EN
Electrical Data
Minimum Circuit Ampacity
Coil 208V
KW 1ph
5.85 38.74
7.8 50.46
9.75 63.67
11.4 73.58
11.4 74.13
7.8 50.46
10.4 66.09
13.0 83.20
15.2 96.42
15.2 96.97
11.7 NA
15.6 NA
19.5 NA
22.8 NA
22.8 NA
13.65 NA
18.2 NA
22.75 NA
26.6 NA
26.6 NA
17.55 NA
23.4 NA
29.25 NA
34.2 NA
34.2 NA
240V 277V
1ph 1ph
33.58 29.09
43.73 37.89
55.18 47.81
63.77 55.25
64.25 55.67
43.73 37.89
57.28 49.63
72.10 62.47
83.56 72.40
84.04 72.82
64.05 55.49
84.36 73.09
105.96 91.81
123.15 106.70
123.63 107.11
NA 64.29
NA 84.82
NA 106.47
NA 123.84
NA 124.26
NA NA
NA NA
NA NA
NA NA
NA NA
208V 240V
3ph 3ph
23.91 20.72
30.68 26.59
38.94 33.75
44.67 38.72
45.23 39.20
34.59 29.98
44.93 38.94
56.75 49.18
65.49 56.76
66.04 57.24
44.23 38.33
57.78 50.07
72.81 63.10
84.27 73.04
84.83 73.52
54.67 47.38
71.70 62.14
90.21 78.18
104.61 90.67
105.17 91.14
64.55 55.95
84.87 73.56
106.68 92.46
123.87 107.36
124.43 107.84
*
480V
3ph
10.36
13.30
16.87
19.36
19.60
14.99
19.47
24.59
28.38
28.62
19.17
25.04
31.55
36.52
36.76
23.69
31.07
39.09
45.33
45.57
27.97
36.78
46.23
53.68
53.92
85