RT-SVX073A-EN
55
Table 23. Electrical service sizing data—motors — air-cooled and evaporative condensing
Nominal Tonnage
No of
Fans
Fixed Speed Variable Speed
Standard Ambient Low Ambient Standard or Low Ambient
Voltage
460 575 380 460 575 380 460 575 380
90, 105
6 16.2 13.2 15 15 12.4 14.8 12.5 10.8 14.3
120, 130, 150
8 21.6 17.6 20 20.4 16.8 19.8 16.6 14.4 19.1
Table 24. Electrical service sizing data—supply, relief/return fan motors — air-cooled and evaporative condensing
Motor HP
460 V 575 V 380 V
FLA FLA FLA
Supply Fan Motors
15 18.5 15.0 22.0
20 24.7 19.6 28.0
25 31.0 25.0 36.0
30 36.6 29.0 43.5
40 49.0 39.0 54.0
50 59.0 47.2 68.0
60 71.5 57.2 81.0
75 90.0 72.0 103.0
100 115.0 91.3 N/A
Relief/Return Fan Motors
7.5 9.8 7.8 12.1
10 12.6 10.1 15.2
15 18.5 15.0 22.0
20 24.7 19.6 28.0
25 31.0 25.0 36.0
30 36.6 29.0 43.5
40 49.0 39.0 54.0
50 59.0 47.2 68.0
60 71.5 57.2 81.0
Table 25. Electrical service sizing data—electric heat module (electric heat units only)
Module kW
Voltage
460 575 380
FLA FLA FLA
90 / 56 108.3 86.6 85.1
140 / 88 168.4 134.7 133.3
265 / 166 318.8 255.0 252.3
300 / 188 360.8 288.7 285.7
Note: Electric heat FLA are determined at 480, 600, 380
volts.
Installation
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