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4 Installation
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
U1
V1
W1
GC
L1
L2
L3
Figure 8: 9 leads
U2
V1 W1
U1
V6
W5 V2 W2 U6 W6
U5 V5
U1 V1 W1 W2 U2 V2
U1 V1 W1 W2
U2 V2
L1
L2
L3
U1 V1 W1 W2 U2 V2
V6
W5 U5 V5 U6 W6
U1 V1 W1 W2 U2 V2
GC
U1 V1 W1 W2 U2 V2
L1
L2
L3
D-SER
460V
W2
V2
U2
GC
W1
U1
V1
L1
L2
L3
Figure 9: 12 leads
12
Y-
L1
U1
U5
U2
Y-SER
L1
U1
U2
U5
L3
L2
Y-
L1
U1
U5
GC
U2
U6
Y-SER
L1
U1
U2
U5
U6
L3
L2
D-
230V
W2
V2
U2
GC
V1
W1
U1
L1
L2
L3
1-phase connection
Z2
U2
U1
Z1
Starter
1 ~
U1 V1 U6
U2 W2
V5 W1 W5 U5 V2 W6
U1 V1 W1 W2 U2 V2
U1 V1 W1 W2 U2 V2
1 ~
WS004602B
Figure 10: 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.
SUBCAB 4GX/7G SUBCAB AWG H07RN-F*
Control
T1
T2
*IF Y/D-start, sensors not connected
(Thermal Contacts)
TC
Max. 250V Max.5A
Max. 1.6A,cos =0.6
Max. 2.5A,cos =1
6
WH/YE
T1
Control leads
WH/YE
T2
*SUBCAB AWG
+ LD
LD
TC
WS004603C
BU
BU
WH
YE
BU
*SUBCAB AWG
Sensor connection characteristics
The values have a 10 % tolerance.
Sensors
LD and thermal con-
tact
1310 Installation, Operation, and Maintenance Manual
T1
T2
GC
1 ~
V6
U1
V1
W1
GC
U2
V2 W2
V5
W5
U5
Starter
W6
U6
V6
WH T1
OG
WH T2
BU
T1/*OG/4
T2/*OG/5
Max 12 V
6
Control leads
WH/YE
T1
+7
T1/*OG/4
SMR 311
BU
T2
-5
T2/*BU/5
Value (mA)
Definition
0
Overtemperature
7.8
OK
36
Leakage
WS004604B
BK 4
BK 5
WS004605D
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