51
Operating and display elements
Changing the operating state (MANU
↔
AUTO)
0 s
2 s
10 s
Manual LED
1
2
+
1
2
+
MANU
Oparating state
AUTO
Status indicator
Figure 45:
Changing the operating state
→
Press and hold keys 1 and 2 for > 2 s. The red manual LED flashes for approx. 2 s at 5 Hz.
→
When the red manual LED starts flashing faster (10 Hz), release keys 1 and 2 within the next 5 s.
MANUAL operating state: the red manual LED is lit and the status indicator flashes orange.
AUTO operating state: the red manual LED and the status indicator is not lit.
Switch pilot valve (only possible in MANUAL operating state)
0 s
5 s
Pilot LED
Pilot valve
2
2
on
off
Manual LED
Operating state MANU
Status indicator
Figure 46:
Switch pilot valve
→
Briefly press key 2.
Pilot valve on: the yellow pilot LED is lit.
Pilot valve off: the yellow pilot LED is not lit.
english
Type 8691 REV.3
Summary of Contents for 8691 REV.3
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