
Operation
32
LAG-14 ER
7.2
Function test
Perform a function test once per year and after each repair and
maintenance.
Simulation
1. Open the test valve and collect the escaping leak detection fluid
using a suitable receptacle.
The leak detection fluid must escape at a flow rate of approx.
0.5 l/min.
As soon as the black LAG container is empty, the unit must trig-
ger visual and audible alarms.
2. Close the test valve and refill the drained leak detection fluid into
the black LAG container.
The alarm signals must switch off automatically.
At the probe
1. Remove the probe from the black LAG container.
The red alarm lamp must light up and the audible alarm must
sound.
2. Refit the probe.
The alarm signals must immediately switch off.
At the control unit
Press the test button.
The supply to the probe is interrupted.
The red alarm lamp must light up and the audible alarm must
sound.