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Wiring diagram for connecting various pump motors to the automatic machines
Wiring diagram for single-
phase 220 V pumps up to
1.1 kW
Possible errors and their elimination
Error
Pump does not start.
Pump does not stop.
Pump operates intermit-
tently.
© by WilTec Wildanger Technik GmbH
http://www.WilTec.de
http://www.aoyue.eu
http://www.teichtip.de
Wiring diagram for single-phase
220 V pumps over 1.1 kW; con-
trol via 2-phase relay (contactor),
relay
selection
pump performance
Error at the machine
•
Board is damaged.
•
Board is damaged.
•
Flow detector is stuck in the upper po-
sition.
•
Reset button is blocked.
•
Pump does not have sufficient pres-
sure.
•
Board is damaged.
•
Pump does not have sufficient pres-
sure.
Item 50611, 51247
Wiring diagram for three-phase
400 V pumps, also over 1.1 kW;
control via 3-phase relay (contac-
according
to
tor), selection of relay according
to pump capacity
Error outside the machine
•
Missing voltage
•
Pump defective
•
Interchanged cables
Leak with a loss more than
ℓ
⁄
0.6
.
min
There is a leak with a loss less
than 0.6
ℓ
⁄
.
min
Page 6
09
2021-1
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