18
Operation
Activity
Display
Function
Water level between MIN and
MAX.
LEDs MIN 1 and MIN 2 are
illuminated green.
MIN 1 output contact 21/23 open, 22/23 closed.
MIN 2 output contact 16/18 open, 17/18 closed.
MIN 1 and MIN 2 alarm (if 2 electrode rods are connected)
Water level below MIN 1
switchpoint.
MIN 1 LED flashes red.
De-energizing delay is running.
MIN 1 LED is illuminated red.
Time delay elapsed, MIN 1 output contact 21/23
closed, 22/23 open.
Water level below MIN 2
switchpoint.
MIN 2 LED flashes red.
De-energizing delay is running.
MIN 2 LED is illuminated red.
Time delay elapsed, MIN 2 output contact 16/18
closed, 17/18 open.
MIN alarm (if 1 electrode rod is connected)
Water level below MIN
switchpoint.
MIN 1 / MIN 2 LEDs are flash-
ing red.
De-energizing delay is running.
MIN 1 / MIN 2 LEDs are illumi-
nated red.
Time delay elapsed, MIN 1 output contact 21/23
closed, 22/23 open, MIN 2 output contact 16/18
closed, 17/18 open.
Operation, Alarm and Test
Indicators and adjustors
Testing MIN 1 / MIN 2 alarm
During operation:
Water level between
MIN and MAX
Press and hold down button
“Test”.
MIN 1 LED flashes red.
De-energizing delay is running.
MIN 1 LED is illuminated red
for 3 sec.
MIN 1 output contact 21/23 closed, 22/23 open.
MIN 1 and MIN 2 LEDs are
illuminated green for 1 sec.
MIN 1 output contact 21/23 open, 22/23 closed.
MIN 2 output contact 16/18 open, 17/18 closed.
MIN 2 LED flashes red.
De-energizing delay is running.
MIN 2 LED is illuminated red
for 3 sec.
MIN 2 output contact 16/18 closed, 17/18 open.
The test is finished. Release
button “Test”. Equipment
returns to operating mode.
Note: If you continue to hold down the Test button, a new test is started.
You can abort the test any moment by releasing the Test button.
