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Table 37: Three phase power supply conductor size range
Line voltage connection
Wires/pole
Minimum
gauge
Maximum
gauge
No Disconnect, Standard SCCR and <335A MOP
1
6 AWG
400 kcmil
No Disconnect, Standard SCCR and >335A MOP
2
6 AWG
500 kcmil
No Disconnect, High SCCR and <200A MOP
1
14 AWG
1/0 AWG
No Disconnect, High SCCR and <400A MOP
2
6 AWG
350 kcmil
No Disconnect, High SCCR and <600A MOP
2
4 AWG
500 kcmil
Disconnect, High and Low SCCR, <200A MOP
1
6 AWG
300 kcmil
Disconnect, High and Low SCCR, <400A MOP
2
1/0 AWG
250 MCM
Disconnect, High and Low SCCR, <600A MOP
2
2 AWG
600 kcmil
Table 38: Standard efficiency/standard capacity compressor electrical data
Nominal voltage
208-230/3/60*
460/3/60
575/3/60
Model
Compressor
RLA
LRA
RLA
LRA
RLA
LRA
1A
34.0
240.0
16.0
140.0
12.9
107.6
2A
15.6
110.0
7.8
52.0
5.8
38.9
25 ton
2B
25.0
164.0
12.2
100.0
9.0
78.0
1A
25.0
164.0
12.2
100.0
9.0
78.0
1B
25.0
164.0
12.2
100.0
9.0
78.0
2A
22.4
149.0
10.6
75.0
7.7
54.0
30 ton
2B
27.6
191.0
12.8
101.0
9.6
78.0
1A
48.1
245.0
18.6
125.0
14.7
100.0
1B
22.4
149.0
10.6
75.0
7.7
54.0
2A
34.0
240.0
16.0
140.0
12.9
107.6
40 ton
2B
28.2
240.0
14.7
130.0
11.3
93.7
1A
29.5
195.0
14.7
95.0
12.2
80.0
1B
55.8
340.0
26.9
173.0
23.7
132.0
2A
48.1
245.0
18.6
125.0
14.7
100.0
50 ton
2B
34.0
240.0
16.0
140.0
12.9
107.6
1A
41.0
304
19.2
147
16.7
122
1B
48.1
351
24.7
197
22.4
135
2A
41.0
304
19.2
147
16.7
122
60 ton
2B
48.1
351
24.7
197
22.4
135
1A
39.1
267
18.6
142
15.4
103
1B
67.3
485
32.7
215
26.3
175
2A
48.1
351
24.7
197
22.4
135
70 ton
2B
48.1
351
24.7
197
22.4
135
1A
48.1
351
24.7
197
22.4
135
1B
48.1
351
24.7
197
22.4
135
2A
48.1
351
24.7
197
22.4
135
80 ton
2B
67.3
485
32.7
215
26.3
175
Note:
* 208 VA to 230 VA are based on 230 V operation.
Tempmaster
®
Omni™ Premier 25 Ton to 80 Ton Rooftop Units Installation and Maintenance Guide
63
Tempmaster