Leak alarm type LWG 2000
part no. 15 073 57 c
11 / 16
FUNCTION CHECK
Press and hold the "Prüfen [Test]" button to check the alarm function in monitoring mode.
Display red LED "Alarm" and buzzer.
When you release the button, the alarm goes off.
Function test 1
Check the alarm function in monitoring mode within the scope of START-UP and
MAINTENANCE. This check includes simulating a leak.
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Press and hold the "Prüfen [Test]" button.
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Alarm: as described in OPERATION.
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When you release the button, the alarm goes off.
Function test 2
Check the alarm function also by simulating a leak within the scope of START-UP and
MAINTENANCE.
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Remove the probe - if necessary, also the containment facility.
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Immerse the probe in water.
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Alarm: as described in OPERATION.
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Then rub the probe dry and (re)-install it in the containment facility.
Function test 3
During MAINTENANCE, check the alarm function by simulating a short circuit.
Danger to life from electrocution
Electric shock from touching live parts.
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Disconnect the supply voltage.
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Remove the top from the display unit housing.
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Bridge the "Fühler [Probe]" terminal.
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Switch the supply voltage on.
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Alarm: as described in OPERATION.
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Disconnect the supply voltage again.
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Remove the bridge from the "Fühler [Probe]" terminal.
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Screw the top of the display unit on again.
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START-UP
Function test 4
During MAINTENANCE, check the alarm function by simulating an interruption.
Danger to life from electrocution
Electric shock from touching live parts.
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Disconnect the supply voltage.
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Remove the top from the display unit housing.
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On a probe terminal, loosen the connection cable between the display unit and the probe.
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Switch the supply voltage on.
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Alarm: as described in OPERATION.
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Disconnect the supply voltage again.
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Re-connect the connection cable between the display unit and the probe on the probe
terminal
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Screw the top of the display unit on again.
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START-UP
