4 Product overview .................................................................................................................... 31
4.1 Component overview for the VISATRON
®
VN2020 oil mist detection system ......................... 31
4.1.1 Component overview with standard drainage concept ............................................................. 31
4.1.2 Component overview with siphon block concept (alternative) .................................................. 32
4.2 Component overview for the VISATRON
®
VN2020 / VN2020 EX oil mist detector ................. 33
4.3 Technical description and technical data .................................................................................. 35
4.3.1 Function of the VISATRON
®
VN2020 / VN2020 EX oil mist detector ....................................... 35
4.3.2 Device variants .......................................................................................................................... 36
4.3.3 Bracket ...................................................................................................................................... 36
4.3.4 Header pipe ............................................................................................................................... 37
4.3.5 Engine wall connection (EWC) and intake funnel ..................................................................... 37
4.3.6 Siphon block .............................................................................................................................. 38
4.3.7 Hose lines ................................................................................................................................. 38
4.3.8 Pipe siphon ............................................................................................................................... 39
4.3.9 Remote Indicator II for VISATRON
®
VN2020 / VN2020 EX (optional) ..................................... 40
4.3.10 Setting the device sensitivity ..................................................................................................... 40
4.4 Intended use ............................................................................................................................. 41
4.5 Foreseeable misuse .................................................................................................................. 41
4.6 Descriptions of the controls and indicators ............................................................................... 42
4.6.1 Controls and indicators, VISATRON
®
VN2020 / VN2020 EX ................................................... 42
5 Transport and storage ............................................................................................................ 43
5.1 Unpacking and items included in delivery ................................................................................. 43
5.2 Transport ................................................................................................................................... 43
5.3 Storage conditions before starting up ....................................................................................... 43
6 Assembly and installation ...................................................................................................... 45
6.1 Preparatory steps by the customer ........................................................................................... 45
6.1.1 Establishing the compressed air supply .................................................................................... 45
6.1.2 Establishing the electrical power supply ................................................................................... 45
6.1.3 Preparation for signal transfer from the alarm contacts ............................................................ 46
6.1.4 Preparation for CANopen communication (optional) ................................................................ 46
6.1.5 Preparation for RS485 and Modbus communication (optional, e.g. for Remote Indicator II) .. 46
6.2 Setting up .................................................................................................................................. 46
6.3 Assembling the system components ........................................................................................ 47
6.3.1 Class-compliant assembly and installation according to IACS Unified Requirement UR M10 . 48
6.3.2 Installing the oil mist detector with pre-assembled bracket ...................................................... 48
6.3.3 Installing the oil mist detector without bracket .......................................................................... 50
6.3.4 Installing engine wall connection and intake funnel .................................................................. 51
6.3.5 Installing the siphon block assembly ......................................................................................... 57