RT-SVX072A-EN
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Table 22. Electrical service sizing data — supply/relief/return motors WITH bypass option — 20 to 130 tons
200 V 230 V 460 V 575 V
FLA (ea.) FLA (ea.) FLA (ea.) FLA (ea.)
Motor Horsepower Supply/Relief/Return Fan Motor (4 pole)
3 9.7 8.4 4.2 3.4
5 15.3 13.2 6.6 5.3
7.5 22.8 19.6 9.8 7.8
10 29.5 25.2 12.6 10.1
15 43.0 36.0 18.0 15.0
20 56.1 49.4 24.7 19.5
25 72.0 61.0 30.5 24.8
30 84.0 73.2 36.6 29.0
40
N/A N/A
49.0 39.0
50
N/A N/A
59.0 47.2
Motor Horsepower Supply Fan Motor (6 pole)
3 10.1 9.0 4.5 3.6
5 17.0 14.8 7.4 5.6
7.5 25.0 22.0 11.0 9.0
10 32.0 28.6 14.3 11.9
15 47.0 41.0 20.5 16.3
20 63.0 54.0 27.0 20.8
Notes:
1. FLA is for individual motors by HP, not total unit supply fan HP.
2. Return fan motors are available in 3-20 Hp
3. 40 and 50 Hp motor available as standard in 460 and 575 volt only
4. DDP fans selected under 1,700 RPM will have 6-pole motors
Table 23. Electrical service sizing data — single supply/relief/return motors WITHOUT bypass option — 20 to 130
tons
200 V 230 V 460 V 575 V
MOC (ea.) MOC (ea.) MOC (ea.) MOC (ea.)
Motor Horsepower Supply/Relief/Return Fan Motor (4 pole)
3 8.8 7.6 3.8 3.1
5 13.9 12.0 6.0 4.8
7.5 20.7 17.8 8.9 7.1
10 26.8 22.9 11.5 9.2
15 39.1 32.7 16.4 13.6
20 51.0 44.9 22.5 17.7
25 65.5 55.5 27.7 22.5
30 76.4 66.5 33.3 26.4
40
N/A N/A
44.5 35.5
50
N/A N/A
53.6 42.9
Motor Horsepower Supply Fan Motor (6 pole)
3 9.2 8.2 4.1 3.3
5 15.5 13.5 6.7 5.1
7.5 22.7 20.0 10.0 8.2
10 29.1 26.0 13.0 10.8
15 42.7 37.3 18.6 14.8
20 57.3 49.1 24.5 18.9
Notes:
1. MOC (Max Operating Current) is VFD Input Current when fan motor is operating
at FLA
2. MOC is for individual motors by HP, not total unit supply fan HP.
3. Return fan motors are available in 3-20 Hp.
4. 40 and 50 Hp motor available as standard in 460 and 575 volt only.
5. DDP fans selected under 1,700 RPM will have 6-pole motors.
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