DAE Pumps Sonora S330, Инструкция по эксплуатации

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THERMAL SWITCHES IN WINDINGS, 3-
PHASE
If either of the three thermal contacts in the winding
is found defect the circuit can be repaired if the defect
thermal contact is bypassed according to the below
scheme. If more than one thermal contact is found de-
fect the stator must be replaced.
Locating defect thermal
switch
Bypass of defect
thermal switch
No contact
between
Contact
between
Con-
nect
Connect
to con-
tactor
(A1, A2)
Defect
thermal
switch
A
1-3
(1-2)
(1-4)
2-3
(2-4)
(3-4)
- 2-3
Defect
thermal
switch
B
3-4
(1-2)
(1-4)
(2-3)
1-3
2-4
3-4 1-2
Defect
thermal
switch
C
2-4
(2-1)
(2-3)
1-4
(1-3)
(3-4)
- 1-4
3
1 2
4
U2 V2
W2
U1
V1
W1
A
C
B
1
4