WilTec SKD-1 - Page 6

© by WilTec Wildanger Technik GmbH Item 50610, 51246 Page 6
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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
Wiring diagram for single-phase
220 V pumps over 1.1 kW; con-
trol via 2-phase relay (contactor),
relay selection according to
pump performance
Wiring diagram for three-phase
400 V pumps, also over 1.1 kW;
control via 3-phase relay (contac-
tor), selection of relay according
to pump capacity
Possible errors and their elimination
Error
Error at the machine
Error outside the machine
Pump does not start.
• Board is damaged.
• Missing voltage
• Pump defective
• Interchanged cables
Pump does not stop.
• Board is damaged.
• Flow detector is stuck in the upper po-
sition.
• Reset button is blocked.
• Pump does not have sufficient pres-
sure.
Leak with a loss more than
0.6
ℓ
⁄
min
.
Pump operates intermit-
tently.
• Board is damaged.
• Pump does not have sufficient pres-
sure.
There is a leak with a loss less
than 0.6
ℓ
⁄
min
.