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