531 M1 02 A
16-07-2010
10
7 AUDIBLE ALARM
To disable the audible alarm use the DIP switch 1 inside the cabinet. Therefore the alarm status is
indicated by the LED (only).
8 TEST MODE
The NivOil alarm device NivOil runs an auto-diagnostic sequence each time you need to test
the system:
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Press the "TEST" button
(at least 1 second)
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Auto-diagnostic routine begins, LED are blinking
(LED test)
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The buzzer is switch ON
(Audible alarm test)
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Check out of sensor parameters
(test of sensor type, short-circuit, broken cable)
Positive test:
Corresponding LED are ON
Negative test:
Corresponding green LED are blinking
9 MAINTENANCE
The alarm device and its sensors do not require any maintenance operation in normal operation.
After an alarm occurred, the sensors must be cleaned as the separator is drained.
To clean out a sensor use a wetted rag, with a house cleaning and degreasing liquid.
10 PRECAUTION
Hydrocarbon fluid layer thickness sensor
Thickness detection cannot be performed properly in contact with existing chemical substances
such as emulsifiers and surface active wetting agents
(detergent)
. The sensor must be in contact
only with liquids compatible with polyethylene.
Caution
Disconnect from the main power
Before opening the cabinet
