Xylem IM244R04 SPD Plus Variable Speed Pump Control Manual de usuario descargar pdf (Pagina 30)

APPENDIX B: FUSE AND WIRE SIZING (CONTINUED)

SPD PLUS INPUT WIRE SIZING CHARTS

MaximumAllowableConductorLength(50˚CAmbient,5%drop)

Controller

Ratings

ConductorSizefor75˚CRatedWire

(LengthsinBoldRequire90˚CRatedWire)

Controller

Input

Motor

FLA

Input

Cur-

rent

6 4 3 2 1 1/0 2/0 3/0 4/0 250 300 350 400 500 600 750 1000

230V

1Ø Input,

3Ø

Output

20 54 95.4 393 505 648 826 1050 1247 1501 1760 2018 2518 3036 3810

25 68 120.2 501 642 820 978 1179 1385 1591 1989 2398 3015 3997

30 82 144.9 519 668 799 966 1137 1308 1639 1976 2490 3300

230V

3Ø Input,

3Ø

Output

40 96

169.7

558

670

812 958

1106

1389 1675

2116 2804

50 116 205.0 655 776 899 1135 1368 1736 2300

60 130 229.8 792

1002

1208 1538 2038

460V

40 53 54.1 816 1043 1331 1690 2146 2723 3447

50 70 71.4 765 984

1256

1601

2040 2588 3277 3882

60 80 81.6 846 1084

1386

1772

2251 2855 3385

75 96 98.0 881 1133 1456 1855

2359

2802 3374 3957

100 127 129.6 1363 1745 2083 2514 2955

3398

575V

40 43 43.8 784 1286

1636 2080

2634 3337

50 54 55.3 995 1273 1625

2064 2621

3327

60 64 65.7 1052 1349 1719 2187

2783 3528

75 76 77.6 1121 1434 1832 2338

2969

3763

100 101 103.1 1335 1719

2193

2792 3320

WIRE SIZING

The tables below show the maximum recommended

cable lengths for each model. Note that the tables

show the cable length which will produce a 5%

voltage drop on the cable. The recommended total

voltage drop across all system cables is 5%. Because

of this the lengths given in the table must be adjusted

so the total voltage drop does not exceed 5%. For

example, if the input wire sizing chart gives the

maximum length of 400' and only 100' is used then

only 25% of the total voltage drop (1.25% drop) is

used. The maximum output cable length must then

be adjusted to 75% of its value so that the maximum

voltage drop of 5% is not exceeded.

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Xylem IM244R04 SPD Plus Variable Speed Pump Control Manual de usuario Pagina 30

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