25
NRS 141
Apply power to the unit.
The four status LEDs flash rapidly.
The LED “Power” lights up.
The test cycle takes about 3 sec.
NRS 141
Normal operation, electrode exposed.
The four indicator LEDs are not illuminated.
The LED “Power” lights up.
Note
n
To analyse and eliminate malfunctions that may occur during the commissioning
procedure refer to section
“System Malfunctions”
.
Commissioning
Operation
NRS 141
Press button briefly (1 s).
The test mode is activated for about 10 sec.
Be sure to press button or within
these 10 sec.
Note:
The control circuit will be interrupted during
the test cycle.
Press button for 3 sec
.
LED 1 flashes rapidly and remains permanently
illuminated after 3 sec.
A highlevel alarm is simulated for level
electrode 1.
Test Cycle
Summary of Contents for NRS 1-41
Page 1: ...1 E N English Level Switch NRS 1 41 Original Installation Instructions 810830 04 ...
Page 10: ...10 Technical Data continued Dimensions Fig 2 1 1 8 100 73 ...
Page 11: ...11 Design Fig 3 0 NRS 1 41 0 ...
Page 12: ...12 Functional Elements NRS 1 41 Fig 5 Fig 4 1 7 6 5 4 3 2 8 9 ...
Page 15: ...15 Installation continued Fig 6 Example of installation 0 0 Fig 7 20 20 ...
Page 35: ...35 For your Notes ...
