Labkotec SET-1000, Installation And Operating Instructions Manual, Page: 8 / 14

SET-1000 D15233FE-2
Installation and Operating Instructions
Copyright © 2019 Labkotec Oy 8/14 We reserve the right for changes without notice
Normal situation When pressing the Test push button:
Alarm and Fault LED indicators are immediately on.
Buzzer is immediately on.
Relays de-energize after 2 sec of continuous pressing.
When the Test push button is released:
LED indicators and buzzer go immediately off.
Relays energize immediately.
Alarm on When pressing the Test push button:
Fault LED indicator is immediately on.
Alarm LED indicator remains on.
Buzzer remains on. If it has been reset earlier, it will return to be on.
If relay 1 was already reset, it will de-energize again after 2 sec. of
continuous pressing.
Test will not affect relay 2, because it is already in alarm status.
When the Test push button is released:
The device returns without delay to the preceding status.
Fault alarm on When pressing the Test push button:
The device does not react to the test at all.
3.2 Altering settings
If the default situation described above does not apply to the site being
measured, the following device settings can be changed.
Operating direction High level or low level function (increasing or decreasing level).
Operation delay Two alternatives: 5 sec or 30 sec.
Trigger level Trigger point of an alarm in the sensor
’s sensing element.
Sensor selection
Buzzer
SET/DM3AL sensor or other Labkotec SET series sensor.
The buzzer can be disabled.
The following tasks must only be executed by a person with proper
education and knowledge of Ex-i devices.
We recommend, that when altering the settings the mains voltage is off
or the device is initialized before the installation is executed.
Figure 9. Altering settings