Goulds Pumps 2GFK3812A Installation, Operation And Maintenance Manual page 13

4 Installation
3-phase connection
U2
U1 V1 W1
W2 V2
U1 V1 W1 W2 U2 V2
U1 V1 W1
W2 U2 V2
L1
L2 L3
U1 V1 W1
W2 U2 V2
U1 V1 W1 W2 U2 V2
U1 V1 W1 W2 U2 V2
L1
L2 L3
U1 V1 W1 W2 U2 V2
U1 V1 W1 W2 U2 V2
U1 V1 W1 W2 U2 V2
1
2 3 4 5 6
L1 L2 L3 L1 L2 L3
Figure 6: 6 leads
U1 V1 W1
V2
U5 V5 W5 U2 W2
U1 V1 W1
GC
U1 V1 W1
L1 L2 L3
U5 U2 V5 V2 W5 W2
V1 W1
U1
GC
L3
L1 L2
Figure 7: 9 leads
10
L1
U1
GC
U2
L2
L3
L1
GC
V2
V1
L2
L3
L3:1
L2:1
L1:1
L3:2
L2:2
L1:2
GC
V1 W1
U1
W2
U2 V2
L1
U1 U5
U2
Y-SER
L1
U1
U2
U5
L3 L2
U1 V1 W1
Y
U5 V5
U1 V1 W1 W2 U2 V2
U1 V1 W1 W2
L1 L2
U1 V1 W1 W2 U2 V2
D
W5 U5 V5 U6 W6
U1 V1 W1 W2 U2 V2
U1 V1 W1 W2 U2 V2
L2 L3
L1
Y/D
W2
U1
L1
L2
WS004601B
Figure 8: 12 leads
1-phase connection
Y-
Z2 U2
1 ~
U1 V1 U6
V5 W1 W5 U5 V2 W6
U1 V1 W1 W2 U2 V2
U1 V1 W1 W2 U2 V2
1 ~
WS004602B
Figure 9: 4 leads, 12 leads
Sensors connection
The pump is always equipped with thermal contacts incorporated in
the stator. The pump can also have an optional water leakage sensor
(LD). The leakage sensor is mandatory if the pump has FM approval.
GFK-GFV Series Installation, Operation, and Maintenance Manual
U2
V6
W5 V2 W2 U6 W6
GC
U2 V2
L3
V6
GC
L3
D-SER
460V
V2
U2
GC
V1 W1
L1
L3
U1
Z1 T1 T2
GC
Starter
U2 W2
V6
GC
Starter
Y-
L1
U1 U5
U2 U6
Y-SER
L1
U1
U2
U5
U6
L2
D-
230V
W2 V2
U2
GC
W1
U1 V1
L2 L3
WS004603C
1 ~
U1 V1 W1
U2
V2 W2
W5
V5
U5
U6 V6 W6
WS004604B