Operating manual VISATRON® Oil Mist Detector VN2020 / VN2020 EX
Part number 183001 Version 3.0
ASSEMBLY AND INSTALLATION
1. Each suction point is checked separately. The resulting smoke should now be drawn out
directly via the intake funnels.
2. After a few seconds (approx. 10s), the alarm is shown on the measuring head display, as
in the figure above. The time to display the alarm varies depending on the engine type
and assembly configuration.
In the event of an alarm, the illuminated ring around the [] button
flashes red.
At the same time, the “Alarm level 100%” LED [] in the “Relative oil
mist concentration” area turns red if the alarm concentration has been
exceeded or if there is still smoke in the measuring head.
The “System ready” LED [] stays green.
Function test for starting up for the first time, VN2020 / VN2020 EX
2: Display; Relative Oil Mist Concentration
3. Acknowledge a detected alarm using the [] button on the measuring head as soon as
the relative oil mist concentration is < 70%.
4. Carry out steps 1-4 at all suction points of the installation, thereby ensuring that the
whole system is functioning.
5. Then dispose of the remaining smoke fluid from the smoke collection head [] of the
smoke generator, in accordance with Section 11.1
Section 11.1. Disposal
The VISATRON
®
VN2020 oil mist detector is now ready for
operation!
Alternative:
If it is not possible to open the maintenance covers, a function test can also be carried
out without testing the intake funnels. In this case, start by removing the screw plug []
on the siphon block as shown in the figure below:
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