Item
Description
1
On/Off switch
2
Signal light
3
Installation opening for start/stop connection
socket (optional fitting)
(closed with dummy plug)
4
Pressure measurement opening (only for service
employees)
5
Signal horn
6
Pressure switch (closed with dummy plug)
(service personnel only)
•
I/0 switch (item 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.
1502818-03
Tab. 15: Operating elements
- 59 -
EN
Note