Motor resistance, Mo t or winding resis t ance check out, Rule of thumb – Xylem GSSERVICE R2 Service Manual Submersible Pumps & Jet Pumps User Manual

Page 39

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MO

T

OR

WINDING RESIS

T

ANCE CHECK

OUT

37

RULE OF THUMB

Add resistance of drop cable when checking

pump in well. See Cable Resistance.

Generation I

Generation II

HP

Volts

Winding Resistance Winding Resistance

Main (B-Y) Start (R-Y) Main (B-Y) Start (R-Y)

0.5 115

.9-1.6

5.7-7

1.0-1.4 2.5-3.1

0.5 230 4.2-4.9 17.4-18.7 5.1-6.1 12.4-13.7

0.75 230 2.6-3.6 11.8-13 2.6-3.3 10.4-11.7

1.0 230 2.2-3.2 11.3-12.3 2.0-2.6 9.3-10.4

1.5 230 1.6-2.3 7.9-8.7 2.1-2.5 10.0-10.8

2 230 1.6-2.2 10.8-12 1.6-2.2 10.8-12.0

3 230 1.1-1.4 2-2.5 1.1-1.4 2.0-2.5

5 230 .62-.76 1.36-1.66 .62-.76 1.36-1.66

¹ Generation II 3-wire were introduced in February 2012.

Motor Resistance

3-Wire CentriPro Motors Winding Resistance ¹

Type HP Volts Winding KVA

Resistance Code

½ 115 1.0-1.3

R

½ 230 4.2-5.2

R

2-Wire

¾

230

3.0-3.6

N

1 230 2.2-2.7

N

1½ 230 1.5-1.9

M

Resistance

KVA

Type

HP

Volts

Main

Start

Code

(B-Y)

(R-Y)

½

115

1.0-1.3

4.1-5.1

M

½

4.2-5.2 16.7-20.5 M

¾

3.0-3.6 10.7-13.1 M

1

2.2-2.7 9.9-12.1 L

1½ 230 1.7-2.2

8.0-9.7

J

2

1.8-2.3

5.8-7.2 G

3

1.0-1.5

3.5-4.4 H

5

.68-1.0

1.8-2.2 F

4" Franklin Electric Winding Resistance

3-Wire

w/CSCR

(CR)

Control

Box

3-Wire

w/Q.D.

Cap.

Start

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