PE
U
V
W
M 3~
Fig. 12: Connection diagram: P17 three-phase
current motor, direct starting, PTC sensor
PE
U1
V1
W1
U2
V2
W2
M 3~
Fig. 13: Connection diagram: P17 three-phase
current motor, star-delta activation, bimetallic
strip
PE
U1
V1
W1
U2
V2
W2
M 3~
Fig. 14: Connection diagram: P17 three-phase
current motor, star-delta activation, PTC
sensor
Installation and operating instructions Wilo-Rexa PRO
Installation and electrical connection
11
10
12
Wire
1, 2, 6
3
4
5
Green/yellow (gn-
ye)
21
20
22
Wire
1
3
5
4
6
2
7, 8, 9
Green/yellow (gn-
ye)
11
10
12
Wire
1
3
5
4
6
2
7, 8, 9
Green/yellow (gn-
ye)
Designa-
Terminal
tion
10, 11, 12
Monitoring of motor winding
U
L1
V
L2
W
L3
PE
Earth
Designa-
Terminal
tion
U1
Mains connection (start of winding)
V1
W1
U2
Mains connection (end of winding)
V2
W2
20, 21, 22
Monitoring of motor winding
PE
Earth
Designa-
Terminal
tion
U1
Mains connection (start of winding)
V1
W1
U2
Mains connection (end of winding)
V2
W2
10, 11, 12
Monitoring of motor winding
PE
Earth
en
161