Table 3-7
Electrical Service Sizing Data (20 through 130 Ton)
Unit
Component(s)
Compressor:
20
A & B
25
B
A
30
A & B
40
1,2A, 1,2B
50
1B & 2B
1A & 2A
55
1,2A, 1,2B
60
1,2A, 1,2B
70
1,2A, 1,2B
1,2C
75
1,2A, 1,2B
1,2C
75
Hi-Cap 1,2A, 1,2B
1,2C
90
1,2A
1,2B &
1,2C
105
1,2A
1,2B
1,2C
115
1,2A &
1,2B
1,2C &
1,2D
130
1,2A,B,C,D
Condenser Fans:
20 Ton - 2 fans
25/30 Ton - 3 fans
40 Ton - 4 fans
50 - 75 Ton, 6 fans
90 Ton, 8 fans
105 & 115 Ton, 10
fans
130 Ton, 12 fans
Supply Fan Motor
Horsepower:
3.0 HP
5.0 HP
7.5 HP
10.0 HP
15.0 HP (2)
20.0 HP (2)
25.0 HP (2)
30.0 HP (2)
40.0 HP (2)
Exhaust Fan Motor
Horsepower:
1.5 HP
3.0 HP
5.0 HP
7.5 HP
10.0 HP
15.0 HP
20.0 HP
25-HP
30-HP
40-HP
Notes:
1. "Full load amp" values represents the total condenser fan amps.
2. Two (2) motors are used on 90 through 130 Ton units.
200/60/3, Nominal
230/60/3, Nominal
(180-220V Utiliz.)
(207-253V Utiliz.)
RLA (ea)
LRA (ea)
RLA(ea)
41.9
269
62.8
409
41.9
269
62.8
409
41.9
269
62.8
409
41.9
269
62.8
409
62.8
409
41.9
269
62.8
409
41.9
269
62.8
409
41.9
269
62.8
409
41.9
269
62.8
409
62.8
409
62.8
409
41.9
269
62.8
409
Total FLA (1)
Total FLA (1)
8.2
12.3
16.4
24.6
32.8
41
49.2
FLA (ea.)
FLA (ea.)
10.4
16
24.8
30.6
44.9
57.5
75
81
121
FLA
5.5
10.4
16
24.8
30.6
44.9
57.5
75
81
121
460/60/3, Nominal
(414-506V Utiliz.)
LRA (ea)
RLA (ea)
41.9
251
18.2
62.8
376
27.3
41.9
251
18.2
62.8
376
27.3
41.9
251
18.2
62.8
376
27.3
41.9
251
18.2
62.8
376
27.3
62.8
376
27.3
41.9
251
18.2
62.8
376
27.3
41.9
251
18.2
62.8
376
27.3
41.9
251
18.2
62.8
376
27.3
41.9
251
18.2
62.8
376
27.3
62.8
376
27.3
62.8
376
27.3
41.9
251
18.2
62.8
376
27.3
Total FLA (1)
8.2
3.6
12.3
5.4
16.4
7.2
24.6
10.8
32.8
14.4
41
24
49.2
28.8
FLA (ea.)
9
4.5
14.2
7.1
21.6
10.8
26.6
13.3
40
20
51
25.5
65
32.5
74
37
105.8
52.9
FLA
FLA
4.8
2.4
9
4.5
14.2
7.1
21.6
10.8
26.6
13.3
40
20
51
25.5
65
32.5
74
37
105.8
52.9
41
575/60/3, Nominal
(517-633V Utiliz.)
LRA (ea) RLA (ea)
LRA (ea)
117
14.6
178
21.8
143
117
14.6
178
21.8
143
117
14.6
178
21.8
143
117
14.6
178
21.8
143
178
21.8
143
117
14.6
178
21.8
143
117
14.6
178
21.8
143
117
14.6
178
21.8
143
117
14.6
178
21.8
143
178
21.8
143
178
21.8
143
117
14.6
178
21.8
143
Total FLA (1)
2.8
4.2
5.6
8.4
11.2
14
16.8
FLA (ea.)
3.8
5.8
8.6
10.6
15.6
20.5
26
31
42.4
FLA
1.9
3.8
5.8
8.6
10.6
15.6
20.5
26
31
42.4
94
94
94
94
94
94
94
94
94