• I/0 switch (Pos. 1)
The product is switched on and off by pressing the switch.
The green indicator lamp of the switch indicates trouble-free operation
of the product or the readiness for operation when using an optional
start/stop sensor.
• Indicator lamp (Pos. 2)
If the yellow indicator lamp lights, the following faults may have
occurred:
• Motor protection switch has triggered
• Phase error/missing phase
• Filter change necessary
• Installation opening for start/stop connection socket (Pos. 3)
Installation opening for the optional fitting of the automatic start/stop
system.
• Pressure measuring opening (Pos. 4)
Connection facility for our service department. Our service department
can take pressure measurements using this connection.
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