LEAK INDICATING UNIT
LAE 3-8
25/11/2019
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6. Commissioning, Functional Check, and Maintenance
Only perform commissioning once the steps in section 5 "Mounting"
are fulfilled.
6.1 Commissioning the Indicating Unit
(1) Remove bridges from the indicating unit channels to be used.
(2) Establish connection lines between the potential-free relay con-
tacts of the devices to be connected and the respective channels
of the LAE.
(3) Connect the power supply to the indicating unit.
Note:
The power supply complies with the requirements described in
chapters 3.3, 5.4, and 5.5 as well as in the relevant documenta-
tion of the connected device.
(4) Check that the "Operation" indicator light on the indicating unit
lights up.
(5) When the signal circuits are correctly closed (via leak detector or
probe/service contacts or bridges), only the "Operation" indicator
lights up.
(6) Determination of the audible alarm for the individual connected
channels. For this purpose, establish the alarm status at the re-
spective connected devices, probes, or service application and
determine the audible and visual alarm signal at the indicating
unit.
Acknowledge audible alarm(s) if necessary.
Note:
To set the alarm condition, read the relevant documentation for
the connected device.
(7) If an alarm was detected in (5), restore the operating status of
the connected devices and check that the respective indicator
lights have gone out on the indicating unit (operating status as in
(4)).
Note:
To set up the operating status, read the relevant documentation
for the connected device.
(8) Repeat points (5) and (6) for further occupied channels.
6.2 Functional Check and Maintenance
(1) Once a year as part of the leak detector test.
(2) Observe regulations and information on the test scope according
to the documentation of the connected devices.
Commissioning, Functional Check, and Maintenance
