Operating manual VISATRON® Oil Mist Detector VN2020 / VN2020 EX
Part number 183001 Version 3.0
Switching on the power supply to the oil mist detector
After completing the installation steps, switch the power supply back on.
The terminal box has been successfully replaced and the device is
ready for operation!
9.3.7 Replacing the filter control valve on the VN2020 / VN2020 EX
If the filter control valve (the pressure regulator unit) has a defect of malfunction, it has
to be replaced. The filter control valve is a spare part and can be ordered separately
from Schaller Automation as follows:
Filter control valve: 273456 / 273461
Maintenance work on the oil mist detector
Observe the safety instructions in Section 9
Section 9 Maintenance and repair
There are two versions of the filter control valve in total, which must not be
mixed up!
The filter control valve may only be replaced with the engine switched off.
The compressed air supply must be switched off before starting maintenance
and repair work.
Personal protective equipment
Operating the device or working on the device without protective equipment may result
in serious injury. For the workplace PPE, the following protective equipment must be
used:
Safety glasses in accordance with DIN EN 166 or DIN EN 170
Safety helmet in accordance with DIN EN 397 and DIN EN 50365
ESD safety shoes according to ESD standard DIN EN 61340-5-1
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