16
Testing MIN alarm and MAX alarm
Activity
Display
Function
During operation:
Temperature between MIN
and MAX
Select parameter “Test”. Press
and hold down push-button.
MAX LED flashes for 3 sec.
MAX LED is illuminated red for
3 sec.
MAX output contact 21/23 closed, 22/23 open.
MIN and MAX LEDs not
illuminated for 1 sec.
MAX output contact 21/23 open, 22/23 closed.
MIN output contact 16/18 open, 17/18 closed.
MIN LED flashes for 3 sec.
MIN LED is illuminated red for
3 sec.
MIN output contact 16/18 closed, 17/18 open.
Test finished, release push-
button. Equipment returns to
operating mode.
Note: If you continue to hold down the push-button, a new test is started. You can
abort the test any moment by releasing the push-button.
Replace the temperature switch if the test does not finish successfully.
Checking functions of MIN / MAX output contacts
Operation, Alarm and Test
Indicators
Operation
Activity
Display
Function
Temperature between MIN
and MAX.
MIN and MAX LEDs are not
illuminated.
MIN output contact 16/18 open, 17/18 closed.
MAX output contact 21/23 open, 22/23 closed.
MIN alarm
Value below switchpoint MIN
temperature
MIN LED illuminated red
MIN output contact 16/18 closed, 17/18 open.
MAX alarm
Switchpoint MAX temperature
exceeded
MAX LED illuminated red
Time delay elapsed, MAX output contact 21/23
closed, 22/23 open.
Note
The actual value is shown on the seven-segment display
