Charts & Pump Curves
Table 5 –Single-Zone Unit Electrical Specifications
Heater(s)
Pump
Unit MCA
2
Model
FLA Each (3-phase, 60 Hz)
FLA Each (3-phase, 60 Hz)
Amps (3-phase, 60 Hz)
Qty KW
Qty
HP
208V 230V 460V 575V
208V 230V 460V 575V
208V 230V 460V 575V
RA0908
1
9
24.9
22.6
11.3
9.0
1
0.75
3.7
3.4
1.7
1.4
35.3
32.2
16.3
13.2
RA0910
1
9
24.9
22.6
11.3
9.0
1
1
3.7
3.4
1.7
1.4
35.3
32.2
16.3
13.2
RA0920
1
9
24.9
22.6
11.3
9.0
1
2
6.6
6.0
3.0
2.4
38.2
34.8
17.6
14.2
RA093A
1
9
24.9
22.6
11.3
9.0
1
3
9.9
9.0
4.5
3.6
41.5
37.8
19.1
15.4
RA093B
1
9
24.9
22.6
11.3
9.0
1
3
9.9
9.0
4.5
3.6
41.5
37.8
19.1
15.4
RA0950
1
9
24.9
22.6
11.3
9.0
1
5
16.5
15.0
7.5
6.0
48.1
43.8
22.1
17.8
RA0975
1
9
24.9
22.6
11.3
9.0
1
7.5
24.2
22.0
11.0
8.8
55.8
50.8
25.6
20.6
RA1208
1
12
33.0
30.0
15.0
12.0
1
0.75
3.7
3.4
1.7
1.4
45.5
41.4
21.0
16.9
RA1210
1
12
33.0
30.0
15.0
12.0
1
1
3.7
3.4
1.7
1.4
45.5
41.4
21.0
16.9
RA1220
1
12
33.0
30.0
15.0
12.0
1
2
6.6
6.0
3.0
2.4
48.4
44.0
22.3
17.9
RA123A
1
12
33.0
30.0
15.0
12.0
1
3
9.9
9.0
4.5
3.6
51.7
47.0
23.8
19.1
RA123B
1
12
33.0
30.0
15.0
12.0
1
3
9.9
9.0
4.5
3.6
51.7
47.0
23.8
19.1
RA1250
1
12
33.0
30.0
15.0
12.0
1
5
16.5
15.0
7.5
6.0
58.3
53.0
26.8
21.5
RA1275
1
12
33.0
30.0
15.0
12.0
1
7.5
24.2
22.0
11.0
8.8
66.0
60.0
30.3
24.3
RA1808
2
9
24.9
22.6
11.3
9.0
1
0.75
3.7
3.4
1.7
1.4
66.5
60.4
30.5
24.4
RA1810
2
9
24.9
22.6
11.3
9.0
1
1
3.7
3.4
1.7
1.4
66.5
60.4
30.5
24.4
RA1820
2
9
24.9
22.6
11.3
9.0
1
2
6.6
6.0
3.0
2.4
69.4
63.0
31.8
25.4
RA183A
2
9
24.9
22.6
11.3
9.0
1
3
9.9
9.0
4.5
3.6
72.7
66.0
33.3
26.6
RA183B
2
9
24.9
22.6
11.3
9.0
1
3
9.9
9.0
4.5
3.6
72.7
66.0
33.3
26.6
RA1850
2
9
24.9
22.6
11.3
9.0
1
5
16.5
15.0
7.5
6.0
79.3
72.0
36.3
29.0
RA1875
2
9
24.9
22.6
11.3
9.0
1
7.5
24.2
22.0
11.0
8.8
87.0
79.0
39.8
31.8
RA2408
2
9
24.9
22.6
11.3
9.0
1
0.75
3.7
3.4
1.7
1.4
66.5
60.4
30.5
24.4
RA2410
2
9
24.9
22.6
11.3
9.0
1
1
3.7
3.4
1.7
1.4
66.5
60.4
30.5
24.4
RA2420
2
9
24.9
22.6
11.3
9.0
1
2
6.6
6.0
3.0
2.4
69.4
63.0
31.8
25.4
RA243A
2
9
24.9
22.6
11.3
9.0
1
3
9.9
9.0
4.5
3.6
72.7
66.0
33.3
26.6
RA243B
2
9
24.9
22.6
11.3
9.0
1
3
9.9
9.0
4.5
3.6
72.7
66.0
33.3
26.6
RA2450
2
9
24.9
22.6
11.3
9.0
1
5
16.5
15.0
7.5
6.0
79.3
72.0
36.3
29.0
RA2475
2
9
24.9
22.6
11.3
9.0
1
7.5
24.2
22.0
11.0
8.8
87.0
79.0
39.8
31.8
RB08
0
0
0.0
0.0
0.0
0.0
1
0.75
3.7
3.4
1.7
1.4
4.2
3.9
2.2
1.9
RB10
0
0
0.0
0.0
0.0
0.0
1
1
3.7
3.4
1.7
1.4
4.2
3.9
2.2
1.9
RB20
0
0
0.0
0.0
0.0
0.0
1
2
6.6
6.0
3.0
2.4
7.1
6.5
3.5
2.9
RB3A
0
0
0.0
0.0
0.0
0.0
1
3
9.9
9.0
4.5
3.6
10.4
9.5
5.0
4.1
RB3B
0
0
0.0
0.0
0.0
0.0
1
3
9.9
9.0
4.5
3.6
10.4
9.5
5.0
4.1
RB50
0
0
0.0
0.0
0.0
0.0
1
5
16.5
15.0
7.5
6.0
17.0
15.5
8.0
6.5
RB75
0
0
0.0
0.0
0.0
0.0
1
7.5
24.2
22.0
11.0
8.8
24.7
22.5
11.5
9.3
Notes:
1. Voltage utilization range is: 208 (187 to 254), 230 (187 to 254), 460 (414 to 508), and 575 (518 to 635).
2. Unit MCA (Minimum Circuit Ampacity) is based upon 125% of the largest FLA plus 100% of remaining components FLA.
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