Wiring diagram for connecting various pump motors to the automatic machines:
Wiring diagram for single-
phase 220V pumps up to 1.1
kW
Wiring diagram for single-
phase 220V pumps over 1.1
kW Control via 2-phase relay
(contactor), relay selection
according to pump perfor-
mance
Wiring diagram for three-phase
400V pumps also over 1.1 kW
Control via 3-phase relay (con-
tactor), selection of relay ac-
cording 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
-
Replaced electrical cables
Pump does not stop
-
Board is damaged
-
The flow detector is stuck in the up-
per position.
-
The reset button is blocked.
-
The pump does not have sufficient
pressure
-
There is a leak with more
than 0.6 l/min loss.
Intermittent pump
work
-
Board is damaged
-
The pump does not have sufficient
pressure
-
There is a leak with more
than 0.6 l/min loss.
© by WilTec Wildanger Technik GmbH
Seite 6
http://www.WilTec.de
http://www.aoyue.eu
January 2020 Version 7