Page 1 OPERATING MANUAL ® VISATRON Oil Mist Detector VN2020 / VN2020 EX Version date: 24/01/2024 Version: Version 3.0 Document No.: Part number 183001 The original operating manual is written in German. Any translations are based on the original operating manual.
Page 2 The reproduction, translation, microfilming and the storage and processing of this manual, including in part, is only allowed with the consent of Schaller Automation Industrielle Automationstechnik GmbH & Co. KG. Any infringement shall attract damages and may have consequences under criminal law.
Page 3 VERSION HISTORY AND CHANGE NOTES Version Change Date Author • Release (first version) 19/12/2019 P. Adams / S. Höh • Safety instructions, terminology and positions of parts added 13/03/2020 P. Adams / S. Höh • Definition of maintenance records; revision of graphics and text •...
Page 4: Table Of Contents
OVERVIEW OF CONTENTS Table of contents Information about the operating manual ................8 Symbols in this operating manual ....................8 Validity of the operating manual ....................8 Use and purpose of the operating manual .................. 8 Document storage ........................9 Applicable documents and regulations ..................
Page 5 TABLE OF CONTENTS Product overview ........................31 ® 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 ® Component overview for the VISATRON VN2020 / VN2020 EX oil mist detector ....
Page 6 OVERVIEW OF CONTENTS 6.3.6 Installing the pipe siphon assembly................... 64 6.3.7 Installing the pipes ........................69 6.3.8 Installation of the hose lines ...................... 70 6.3.9 Installing Remote Indicator II for remote monitoring (optional) ..........71 Electrical installation ........................74 6.4.1 Connection options for the oil mist detector (overview) ............75 6.4.2 Electrical installation of the terminal box for the VN2020 series ..........
Page 7 9.3.7 Replacing the filter control valve on the VN2020 / VN2020 EX ..........156 9.3.8 Replacing the connecting hose on the VN2020 / VN2020 EX ..........160 Repair by Schaller Automation ....................163 Taking out of service and disassembly ................... 163 Starting up again ........................
Page 8: Information About The Operating Manual
1 Information about the operating manual 1.1 Symbols in this operating manual Various types of notation and symbols are used in the text of this manual. They are used as follows: Numbered steps:  Required action  Result of the sequence of actions •...
Page 9: Document Storage
• select and order spare parts and accessories; and • find authorised service partners local to you  Hazard warnings, safety regulations and the information in this operating manual must be observed without exception.  You must read, understand and apply the operating manual in order to operate and work on the device properly and safely.
Page 10: Operator's Obligations
INFORMATION ABOUT THE OPERATING MANUAL Certain maintenance work may only be carried out by authorised specialist personnel. The operator must define and provide rules for the area of responsibility, the authority and the supervision of personnel for such work in advance. 1.7 Operator's obligations ...
Page 11: Liability For Defects
IEC 60079-0 (2019) and IEC 60079-28 (2016-04) 1.9 Liability for defects The terms in the order confirmation from Schaller Automation Industrielle Automationstechnik GmbH & Co. KG or the terms agreed in the contract apply. Claims for personal injury and damage are excluded if they are due to one or more of the following causes: •...
Page 12: Version Of The Operating Manual
This document has been prepared to the best of our knowledge and belief. It matches the technical version of the device as delivered. Schaller Automation Industrielle Automationstechnik GmbH & Co. KG reserves the right to amend and revise this document, if necessary. The products supplied by Schaller Automation are production devices with long service life, developed and produced according to the current state of the art.
Page 13: Legal Information About The Product
DC voltage Torque (M) 1.14 Legal information about the product For all legal questions and activities arising in connection with the above product, please contact SCHALLER Automation in advance: SCHALLER Automation (Headquarters) Industrielle Automationstechnik GmbH & Co. KG Industriering 14...
Page 14: Safety Instructions
SAFETY INSTRUCTIONS 2 Safety instructions This operating manual contains safety instructions. 2.1 Safety devices and guards This manual contains instructions for your safety. The following basic safety instructions are instructions that always apply in order to operate the machine safely and keep the machine in a safe condition.
Page 15 SAFETY INSTRUCTIONS CAUTION Potential risk of minor injury.  Indicates a low-risk hazard that, if not avoided, may result in minor or moderate injury. NOTE Potential damage to the device or the surroundings.  Indicates a potential hazard, with the aim of preventing damage. Operating manual ...
Page 16: Information, Warning And Mandatory Signs That Are Used
SAFETY INSTRUCTIONS 2.3 Information, warning and mandatory signs that are used The following symbols and signs according to DIN EN ISO 7010 and DIN 4844-2 are used in this operating manual: Symbol Explanation General warning sign Warning; electricity Warning; explosive atmosphere (Atex) Warning;...
Page 17: Basic Safety Instructions
SAFETY INSTRUCTIONS Symbol Explanation Refer to operating manual/instructions Note: Important information! Note: A qualified electrician is required for installation! Note: Action required! 2.4 Basic safety instructions The basic safety instructions are instructions that always apply in order to operate the machine safely and keep the device in a safe condition.
Page 18 SAFETY INSTRUCTIONS DANGER Malfunction Operating the device with a malfunction creates a risk of death and may cause environmental damage and/or damage to the device.  The device must be taken out of operation immediately in the event of a malfunction.
Page 19 SAFETY INSTRUCTIONS DANGER Electrical hazards Electrical damage to the device from welding work on the engine as a result of overvoltage. ®  Before starting work, disconnect the VISATRON VN2020 / VN2020 EX from the power supply. Electrical damage to the device on when installing and removing the engine. ®...
Page 20: Safety Instructions For Potentially Explosive Atmospheres
Section 3.1 Marking and type description  Only use tools suitable for potentially explosive atmospheres.  Note that modifications are not allowed without prior approval from SCHALLER AUTOMATION.  Make sure that damaged products are not installed or operated in the potentially explosive atmosphere.
Page 21: Identification
Measuring head name plate: EX symbol and EX marking instead of the Schaller logo • Name plate of the complete device: Additional EX symbol after the type designation 3.2 Manufacturer's details Schaller Automation Industrielle Automationstechnik GmbH & Co. KG Industriering 14 66440 Blieskastel/Saarland Germany Phone:...
Page 22: Name Plate
IDENTIFICATION 3.3 Name plate The product is identified by a name plate ® • for the measuring head (separately on the measuring head of the VISATRON VN2020 / VN2020 EX) ® • for the complete device (on the connection box of the VISATRON VN2020 / VN2020 EX) The serial number on the name plate contains information about the product and is...
Page 23: Name Plate, Visatron® Vn2020 Ex Measuring Head
IDENTIFICATION Name plate, VISATRON® VN2020 EX measuring head 1: VISATRON ® VN2020 / VN2020 EX measuring 2: VISATRON ® VN2020 / VN2020 EX name plate head The following information is provided on the name plate: Name plate, VISATRON ® VN2020 measuring head 1: Device type and designation 2: Manufacturer/company logo 3: Barcode with serial number (example)
Page 24 IDENTIFICATION Name plate, VISATRON ® VN2020 EX measuring head 1: Device type and designation 2: ATEX/IECEx device certification 3: Barcode with serial number (example) Operating manual  VISATRON® Oil Mist Detector  VN2020 / VN2020 EX Part number 183001  Version 3.0...
Page 25: Name Plate For The Complete Visatron Vn2020 / Vn2020 Ex Device
IDENTIFICATION 3.3.2 Name plate for the complete VISATRON ® VN2020 / VN2020 EX device The name plate is attached to the outside of the connection box as shown in the figure below. Name plate, VISATRON ® VN2020 connection box 1: Connection box 2: Name plate The following information is provided on the name plate: Name plate, VISATRON ®...
Page 26: Name Plate, Visatron Vn2020 Ex Connection Box
IDENTIFICATION Name plate, VISATRON ® VN2020 EX connection box 1: Connection box 2: Name plate The following information is provided on the name plate: Name plate, VISATRON ® VN2020 EX connection box 1: Manufacturer's details/company logo 2: Device type and designation 3: Barcode with serial number (example) 4: CE marking Manufacturer's production period (example)
Page 27: Technical Data
IDENTIFICATION 3.4 Technical data Mechanical dimensions, VISATRON ® VN2020 / VN2020 EX Operating manual  VISATRON® Oil Mist Detector  VN2020 / VN2020 EX Part number 183001  Version 3.0...
Page 28: Mechanical Interfaces (M)
IDENTIFICATION 3.4.1 Mechanical interfaces (M)  Section 6.3.2 Installing the oil mist detector with pre-assembled bracket VN2020 / VN2020 EX oil mist detector Max. dimensions (L x W x H) approx. 539 x 298 x 171 mm Weight 12.4 kg External thread M16x1.5 Pipe connection, diameter size 10 External thread M30x2...
Page 29: Pneumatic Interfaces (P)
The bus cable can be purchased from: • LAPP: Part No.: 2170204, or • Schaller Automation: Part No.: 230140 3.4.3 Pneumatic interfaces (P)  Section 6.5.3 Setting the negative pressure at the measuring head of the VN2020 / VN2020 EX...
Page 30: Type Approval
IDENTIFICATION 3.4.5 Type approval Type approval for closed areas Type approval for closed areas, designed for installation on combustion engines, environmental category D (DNV-GL), compliant with IACS UR M67; list of type approvals at www.schaller-automation.com Operating manual  VISATRON® Oil Mist Detector  VN2020 / VN2020 EX Part number 183001 ...
Page 31: Product Overview
PRODUCT OVERVIEW 4 Product overview ® 4.1 Component overview for the VISATRON VN2020 oil mist detection system 4.1.1 Component overview with standard drainage concept An oil mist detection system, referred to as an installation kit, usually consists of the following for delivery. The oil mist detection system is usually configured specifically for the engine.
Page 32: Component Overview With Siphon Block Concept (Alternative)
PRODUCT OVERVIEW 4.1.2 Component overview with siphon block concept (alternative) The drainage concept with siphon block is the alternative to the standard drainage concept and is always used when the standard drainage concept with the pipe siphon (Fig. 10, 4) cannot be used for reasons associated with the application. Component overview, drainage concept with siphon block, VISATRON ®...
Page 33: Component Overview For The Visatron Vn2020 / Vn2020 Ex Oil Mist Detector
PRODUCT OVERVIEW ® 4.2 Component overview for the VISATRON VN2020 / VN2020 EX oil mist detector Component overview for the VISATRON ® VN2020 oil mist detector 1: Base plate 2: Connection box 3: Measuring head 4: Inspection cover 5: Protective cover 6: Venturi air jet pump 7: Name plate of the oil mist detector 8: Measuring head name plate...
Page 34 PRODUCT OVERVIEW Component overview for the VISATRON ® VN2020 EX oil mist detector 1: Base plate 2: Connection box 3: Measuring head (EX) 4: Inspection cover (EX) 5: Protective cover 6: Venturi air jet pump 7: Name plate of the oil mist detector 8: Measuring head name plate (EX) 9: Display with error code 10: Filter control valve...
Page 35: Technical Description And Technical Data
To avoid false alarms in the crankcase, such as from spray oil, the intake system uses intake funnels specially developed by Schaller Automation that can always be used, regardless of the direction of rotation of the engine. Where possible, Schaller Automation recommends installing as shown in Fig.
Page 36: Device Variants
ATEX or IECEx approval must be used in potentially explosive atmospheres. ® The VISATRON VN2020 / VN2020 EX oil mist detector from Schaller Automation can be used as follows: • Non-Ex version of the device; only approved for operation outside of potentially explosive atmospheres •...
Page 37: Header Pipe
PRODUCT OVERVIEW 4.3.4 Header pipe Schaller Automation uses tried-and-tested hydraulic components for its installation kits for intake and transporting atmosphere containing oil mist. Only pipes (tubes) in accordance with DIN EN 10305-4 and fittings in accordance with EN ISO 8434-1 are used.
Page 38: Siphon Block
The fitting body allows for angular adjustment to accommodate the intake lines and forms the connection between the header pipes, intake lines and the crankcase. Schaller Automation offers engine wall connections in various versions and specifically to match the engine geometry.
Page 39: Pipe Siphon
PRODUCT OVERVIEW The hose lines are available with certificates from classification societies and authorities. The certificates can be downloaded from Schaller Automation's homepage (www.schallerautomation.com). 4.3.8 Pipe siphon Pipe siphon, VN2020 1: Pipe siphon 2: Screw fitting Bilge Functional principle of oil drainage via pipe siphon, VN2020...
Page 40: Remote Indicator Ii For Visatron Vn2020 / Vn2020 Ex (Optional)
PRODUCT OVERVIEW The pipe siphon has the task of draining the precipitated oil in the header pipes before it completely closes or constricts the header pipes. As already described in detail in Section 4.3.5, precipitated oil can permanently block the header pipes and thereby prevent the test medium from being taken in continuously. 4.3.9 Remote Indicator II for VISATRON ®...
Page 41: Intended Use
PRODUCT OVERVIEW Sensitivity setting Alarm-triggering oil mist concentration [mg/l] 0.55 (Default factory setting) 4.4 Intended use When used on large engines that have mandatory explosion protection classification, an oil mist detector with corresponding ATEX or IECEx approval must be used in potentially explosive atmospheres.
Page 42: Descriptions Of The Controls And Indicators
PRODUCT OVERVIEW 4.6 Descriptions of the controls and indicators 4.6.1 Controls and indicators, VISATRON ® VN2020 / VN2020 EX Controls and indicators, VN2020 1: Confirmation button 2: System status 3: Display; Relative Oil Mist Concentration 4: Display, error code Controls and indicators, VN2020 EX 1: Confirmation button 2: System status 3: Display;...
Page 43: Transport And Storage
® When you receive the VISATRON VN2020 / VN2020 EX oil mist detector, check the whole delivery to ensure that it contains all the components. Schaller Automation provides a detailed parts list for you to use for this purpose. NOTE Dispose of the packaging materials in accordance with your local disposal regulations in the containers provided for this purpose.
Page 44 TRANSPORT AND STORAGE Storage temperature range -25°C to max. 50°C Relative humidity [RH] < 85% and avoiding condensation CAUTION Incorrect storage can damage the device.  Keep the storage period for the device to a minimum.  Keep the device in its original packaging. ...
Page 45: Assembly And Installation
ASSEMBLY AND INSTALLATION 6 Assembly and installation WARNING  Failure to comply with the safety instructions may result in major damage to property or the environment and in serious injury or death.  Familiarise yourself with the basic safety instructions before starting assembly. ...
Page 46: Preparation For Signal Transfer From The Alarm Contacts
ASSEMBLY AND INSTALLATION DANGER Electrical hazards  Before connecting the electrical supply cables to the connection boxes of the ® VISATRON VN2020 / VN2020 EX, they must be disconnected from the power supply first. ®  Before starting work, disconnect the VISATRON VN2020 / VN2020 EX from the power supply or make sure that the housing is safely earthed.
Page 47: Assembling The System Components
ASSEMBLY AND INSTALLATION  If the oil mist detector is operated in explosion-proof areas, the relevant safety  instructions must be observed. Section 2.4.1 Safety instructions for potentially explosive atmospheres 6.3 Assembling the system components CAUTION Safe and correct assembly of the device ...
Page 48: Class-Compliant Assembly And Installation According To Iacs Unified Requirement Ur M10
6.3.1 Class-compliant assembly and installation according to IACS Unified Requirement UR M10 The oil mist detector has been developed and approved by SCHALLER AUTOMATION in accordance with the requirements of the International Association of Classification Societies (IACS) IACS UR M10 (class-compliant assembly and installation) and M67 (sensitivity of the oil mist detector and determination of the oil mist concentration).
Page 49: Installing Vn2020 With Bracket And Protective Cover
ASSEMBLY AND INSTALLATION Start by attaching the bracket (2) to the engine wall (1) using suitable bolts (not included in the delivery) and torque as shown in the figure below, or to the mounting holes provided for this purpose according to the customer drawing. Then mount the oil mist detector (3) on the pre-assembled, engine-specific bracket in accordance with the supplied mounting kit (3) and customer drawing, as shown in the figure below.
Page 50: Installing The Oil Mist Detector Without Bracket
ASSEMBLY AND INSTALLATION 6.3.3 Installing the oil mist detector without bracket DANGER Accumulation of dangerous gas concentration at the oil mist detector, when mounted on dual-fuel or gas engines There is a risk of serious injury, including death, from hazardous accumulation of gas concentrations in the oil mist detector as a result of incorrect assembly or installation.
Page 51: Installing Engine Wall Connection And Intake Funnel
ASSEMBLY AND INSTALLATION Installing VN2020 without bracket and with protective cover (rear view) ® 2: 4 pcs. ROMOB M8 St nuts (included in delivery) 1: VISATRON VN2020 6.3.4 Installing engine wall connection and intake funnel Engine wall connection (EWC) 1: Intake funnel 2: Hollow union bolt G3/4"...
Page 52 ASSEMBLY AND INSTALLATION Part number: 270354 (standard) Required tools:  Socket spanner, size 13 (4)  Open spanner, size 19 (5, top)  Open spanner, size 22 (5, bottom)  Open spanner, size 41 (2)  Open spanner, size 46 (3) DANGER Damage to the intake funnel after the installation process ...
Page 53: Recommended Install. For The Engine Wall Connection (View From The Crankshaft End)
ASSEMBLY AND INSTALLATION Recommended install. for the engine wall connection (view from the crankshaft end) 1: Intake funnel 2: Engine wall 3: Splashing oil 4: Rotating crankshaft AF size 41 AF size 46 1: Engine wall 2: Screw-in thread: G3/4" or M27x1.5 3: Seal M27, oil-resistant 4: Screw connection body 5: Threadlocker (Loctite 243)
Page 54 ASSEMBLY AND INSTALLATION 1: Engine wall 2: Screw fitting body (in final position) 1: Screw connection body 2: Installation kit documentation Operating manual  VISATRON® Oil Mist Detector  VN2020 / VN2020 EX Part number 183001  Version 3.0...
Page 55 ASSEMBLY AND INSTALLATION 1: Screw connection body 2: Intake funnel 1: Screw connection body 2: Intake funnel Operating manual  VISATRON® Oil Mist Detector  VN2020 / VN2020 EX Part number 183001  Version 3.0...
Page 56 ASSEMBLY AND INSTALLATION 1: Screw connection body 2: Sealing disc 2: Lock nut Operating manual  VISATRON® Oil Mist Detector  VN2020 / VN2020 EX Part number 183001  Version 3.0...
Page 57: Installing The Siphon Block Assembly
ASSEMBLY AND INSTALLATION Installing engine wall connection for VN2020 (installation steps 1-9) 1: Intake hose/intake pipe 2: Cutting ring fitting (2-part) 3: Engine wall connection 6.3.5 Installing the siphon block assembly Siphon block assembly 1: Complete siphon block 2: Connection unit 03 (without measuring connection) 4: Cutting ring 3: Intake funnel...
Page 58 ASSEMBLY AND INSTALLATION Part numbers:  150260 – Siphon block (standard)  150166 – Siphon block with measuring connection  270923 – Connection unit 03 (standard)  270371 – Filling pump Required tools:  Allen key, size 6 (1), open spanner, size 10 (1) ...
Page 59 ASSEMBLY AND INSTALLATION 1: Connection unit 03 2: Threadlocker (Loctite 243) 1: Engine wall 2: Connection unit 03 Operating manual  VISATRON® Oil Mist Detector  VN2020 / VN2020 EX Part number 183001  Version 3.0...
Page 60 ASSEMBLY AND INSTALLATION 1: Engine wall 2: Connection unit 03 3: Intake funnel Operating manual  VISATRON® Oil Mist Detector  VN2020 / VN2020 EX Part number 183001  Version 3.0...
Page 61 ASSEMBLY AND INSTALLATION 1: Engine wall 2: Connection unit 03 3: Cutting ring Operating manual  VISATRON® Oil Mist Detector  VN2020 / VN2020 EX Part number 183001  Version 3.0...
Page 62 ASSEMBLY AND INSTALLATION 1: Engine wall 2: Connection unit 03 3: Siphon block NOTE: Tighten the size 6 screws crosswise! 1: Engine wall 2: Screw plug DIN910 (M10x1) Operating manual  VISATRON® Oil Mist Detector  VN2020 / VN2020 EX Part number 183001 ...
Page 63 ASSEMBLY AND INSTALLATION 1: Engine wall 2: Siphon block 3: Filling pump 4: Union nut, size 14 5: Screw-in nipple 6: Oil return hole, siphon block NOTE Installing the filling pump with filling pipe on the siphon block, with subsequent operation ...
Page 64: Installing The Pipe Siphon Assembly
ASSEMBLY AND INSTALLATION Installing siphon block assembly with commissioning (installation steps 1-11) NOTE Removing the filling pump with filling pipe from the siphon block  After filling the siphon block, remove the filling pump and screw in the screw plug (step 9, 2) again without delay. (Open spanner, size 10) ...
Page 65 ASSEMBLY AND INSTALLATION Part numbers:  150939 - Pipe siphon, complete Required tools:  Open spanner, size 19 (5)  Open spanner, size 32 (2)  Open spanner, size 36 (3)  Filling pump with lubrication oil for filling the pipe siphon (1) ...
Page 66 ASSEMBLY AND INSTALLATION 1: Engine wall 2: Straight screw-in socket L22 3: Pipe siphon 1: Straight screw-in socket L22 2: Union nut 3: Pipe siphon Operating manual  VISATRON® Oil Mist Detector  VN2020 / VN2020 EX Part number 183001  Version 3.0...
Page 67 ASSEMBLY AND INSTALLATION 1: Filling pump 2: Straight screw-in socket L10 3: Filling adapter NOTE Installing the filling pump with filling pipe on the pipe siphon  Start by filling the filling pump (1) with 70 ml of lubrication oil approved by the engine manufacturer/engine's own lubrication oil.
Page 68: Installing Pipe Siphon Assembly With Commissioning (Installation Steps 1-5)
ASSEMBLY AND INSTALLATION Installing pipe siphon assembly with commissioning (installation steps 1-5) 1: Intake line with union L10 2: Straight screw-in socket L10 3: Pipe siphon NOTE Removing the filling pump with filling pipe from the pipe siphon and installing the intake line ...
Page 69: Installing The Pipes
ASSEMBLY AND INSTALLATION 6.3.7 Installing the pipes Schaller Automation uses tried-and-tested hydraulic components for its installation kits. Only pipes (tubes) in accordance with DIN EN 10305-4 and cutting ring fittings in accordance with EN ISO 8434-1 are used. Pipe with screw fitting, VN2020 series...
Page 70: Installation Of The Hose Lines
 To avoid blockages within the header pipe system, the pipes must always be installed free of U-bends and kinks. The approved installation drawing for the oil mist detector and installation kit from SCHALLER AUTOMATION must always be followed. 6.3.8 Installation of the hose lines The hose lines are installed according to the installation kit drawing.
Page 71: Installing Remote Indicator Ii For Remote Monitoring (Optional)
ASSEMBLY AND INSTALLATION 6.3.9 Installing Remote Indicator II for remote monitoring (optional) ® The VISATRON VN2020 / VN2020 EX can be connected to the Remote Indicator II for remote monitoring to monitor the oil mist concentration and the system status from a safe location according to IACS UR M10.
Page 72 ASSEMBLY AND INSTALLATION 2 x L Dimensions of installation space for Remote Indicator II Description of the installation steps: Step 1: Produce the required installation space, according to Figure 37 Step 2: Select and install the appropriate front glass panel (vertical or horizontal) in Remote Indicator II Step 3: Insert Remote Indicator II into the previously prepared installation space and fit the retaining brackets...
Page 73: Installing Remote Indicator Ii (Installation Steps 1-4)
ASSEMBLY AND INSTALLATION 1: Previously prepared installation space 2: Remote Indicator II 1: Remote Indicator II 2: Retaining bracket (2 pcs.) 1: Remote Indicator II 2: Fixing screws (2 pcs.) Installing Remote Indicator II (installation steps 1-4) Operating manual  VISATRON® Oil Mist Detector  VN2020 / VN2020 EX Part number 183001 ...
Page 74: Electrical Installation
ASSEMBLY AND INSTALLATION 6.4 Electrical installation CAUTION Safe and correct electrical installation of the device  For electrical installation of the system components, read the operating manual and other documents accompanying the product with care and keep them in a suitable place for future reference. NOTE Personal protective equipment Operating the device or working on the device without protective equipment may result...
Page 75: Connection Options For The Oil Mist Detector (Overview)
ASSEMBLY AND INSTALLATION WARNING Failure to comply with the safety instructions may result in major damage to property or the environment and in serious injury or death.  Familiarise yourself with the basic safety instructions before starting electrical  installation. Section 2.4 Basic safety instructions 6.4.1 Connection options for the oil mist detector (overview) The oil mist detector is connected to the operator network and the safety interfaces via...
Page 76: Electrical Installation Of The Terminal Box For The Vn2020 Series
ASSEMBLY AND INSTALLATION 6.4.2 Electrical installation of the terminal box for the VN2020 series All the electrical terminal connections are on the connection board of the terminal box, to which the bus and alarm supply lines and the power supply are connected, as shown in the figure below.
Page 77 ASSEMBLY AND INSTALLATION 1: Cover, VN2020 terminal box 2: Fixing screws 1: VN2020 terminal box 2: Cover, VN2020 terminal box Operating manual  VISATRON® Oil Mist Detector  VN2020 / VN2020 EX Part number 183001  Version 3.0...
Page 78: Terminal Box For Vn2020: Configuration Of The Wire Break Resistors
ASSEMBLY AND INSTALLATION 6.4.2.1 Configuration of the wire break resistors on the terminal box for VN2020 As shown in the figure below, the standard configuration of the wire break resistors as delivered is 33 k. The wire break resistors can be adapted to customer-specific requirements or swapped out.
Page 79: Terminal Box For Vn2020: Insert Wire Break Resistors (Installation Steps 1-3)
ASSEMBLY AND INSTALLATION Range of resistors Terminal box for VN2020: Insert wire break resistors (installation steps 1-3) 1: Connection board, VN2020 terminal box 2: Wire break resistors, VN2020 terminal box 6.4.2.2 Electrical installation of the VN2020 terminal box  Section 6.4.2 Electrical installation of the terminal box VN2020 series All the electrical terminal connections are on the connection board of the terminal box, to which the free cable ends of the relay and alarm supply lines that are already prepared and the power supply are connected.
Page 80: Terminal Assignment Diagram, Terminal Box For Vn2020
ASSEMBLY AND INSTALLATION Terminal Terminal Connect to Note/action 24 V DC + Voltage report: 18-31, 2V Power supply 24 V DC - Spare S1 Reserve Spare S2 Remote RS485 A/CAN H indicator RS485 B/CAN L RS485 GND/CAN GND Alarm system/ Contacts COM1 and NO1 close in Ready COM1 safety system...
Page 81: Recommended Electrical Installation, Terminal Box For Vn2020
ASSEMBLY AND INSTALLATION Recommended electrical installation, terminal box for VN2020 1: Terminal box, VN2020 2: Recommended electrical installation with cable ties AF size 27 AF size 24 Operating manual  VISATRON® Oil Mist Detector  VN2020 / VN2020 EX Part number 183001  Version 3.0...
Page 82 ASSEMBLY AND INSTALLATION Shielding 0.5 mm Operating manual  VISATRON® Oil Mist Detector  VN2020 / VN2020 EX Part number 183001  Version 3.0...
Page 83: Establishing The Power And Relay Supply (Example Installation; Installation Steps 1-4)
ASSEMBLY AND INSTALLATION Shielding 0.5 mm AF size 24 6.7 Nm Establishing the power and relay supply (example installation; installation steps 1-4) Operating manual  VISATRON® Oil Mist Detector  VN2020 / VN2020 EX Part number 183001  Version 3.0...
Page 84: Electrical Connection Of The Remote Indicator Ii (Optional)
ASSEMBLY AND INSTALLATION 6.4.3 Electrical connection of the Remote Indicator II (optional)  Section 6.4.2 Electrical installation of the terminal box VN2020 series ® The VISATRON VN2020 / VN2020 EX system can be connected to the Remote Indicator II for remote monitoring to monitor the oil mist concentration and the system status from a safe location according to IACS UR M10.
Page 85: Connection Board For Vn2020 Measuring Head
ASSEMBLY AND INSTALLATION The monitoring devices are connected via a RS485 bus line. If a Remote Indicator II is used, the connection only consists of a two-point connection. When the oil mist detector is delivered, the bus system is terminated with a switchable resistor as standard, which is always set to the “ON”...
Page 86: Closing The Terminal Box After Completing The Electrical Installation
ASSEMBLY AND INSTALLATION 6.4.4 Closing the terminal box after completing the electrical installation After the electrical installation, the terminal box on the VN2020 is fitted back on as shown in the figure below and then closed. Tighten the screws crosswise. 2.5 Nm Closing the terminal box for VN2020 1: Cover, VN2020 terminal box...
Page 87: Position And Installation, Earth Connection And Protective Cover For Vn2020
ASSEMBLY AND INSTALLATION The earth connection between the oil mist detector (protective cover) and the engine is via an earth connection with a permanent corrosion-free screw connection, as per the figures below: Position and installation, earth connection and protective cover for VN2020 Installing the earth connection, VN2020 1: Protective cover VN2020 (cut-out) 4: Earthing cable with ring eye DN6 (customer-specific)
Page 88: Starting Up For The First Time
ASSEMBLY AND INSTALLATION 6.5 Starting up for the first time WARNING Risk of oil mist explosion Engine protection not guaranteed!  The oil mist detector may only be started up after all the components have been completely attached  To establish protection of the engine, start up the oil mist detector for the first time with the engine stopped.
Page 89: Checklist For Starting Up For The First Time
ASSEMBLY AND INSTALLATION 6.5.1 Checklist for starting up for the first time   If the assembly ( ) and the installation ( Section 6.3 Assembling the system components Section ) of the oil mist detection system have been completed successfully, 6.4 Electrical installation we recommend work through the following checklist before starting up for the first time: ...
Page 90: Connecting The Power Supply
ASSEMBLY AND INSTALLATION 6.5.2 Connecting the power supply The power supply has been made available in advance by the operator and installed  according to Section 6.4.2. Section 6.4.2 Electrical installation of the terminal box 1. Switch on the power supply for the oil mist detector. ...
Page 91: Setting The Negative Pressure At The Measuring Head Of The Vn2020 / Vn2020 Ex
ASSEMBLY AND INSTALLATION 6.5.3 Setting the negative pressure at the measuring head of the VN2020 / VN2020 NOTE Early error message on the measuring head  The VN2020 service box is needed in order to set the negative pressure.  (Schaller Order No.: 151906) Section 14 Accessories for VN2020 / VN2020 EX ...
Page 92 ASSEMBLY AND INSTALLATION 3: Screw plug 4: Allen key, size 6/torque spanner for 15 Nm 1: U-tube manometer (accessory) 2: Quick-release coupling 3: Sealing ring 1: Measuring head 2: Quick-release coupling 3: Sealing ring 4: Inspection cover Max. 1: U-tube manometer 2: Bottle with low surface tension water Operating manual ...
Page 93: Setting The Neg. Pressure On The Vn2020 / Vn2020 Ex Measuring Head (Steps 1-6)
ASSEMBLY AND INSTALLATION 1: U-tube manometer 2: Quick-release coupling 60 mmWC  5 mmWC Setting the neg. pressure on the VN2020 / VN2020 EX measuring head (steps 1-6) 1: Pressure regulator unit 2: Adjusting cap 3: U-tube manometer Once the preparatory work has been successfully completed in accordance with the above installation steps 1-5, the other settings are changed on device in accordance with Figure 53 (installation step 6): 1.
Page 94 ASSEMBLY AND INSTALLATION 2. Switch on the central compressed air supply, which was previously installed and connected to the device by the operator in accordance with Section 6.1.1.  Section 6.1.1 Establishing the compressed air supply 3. Set the supply pressure on the device. This pressure must be between 2 bar and 14 bar.
Page 95: Setting The Sensitivity On The Vn2020 / Vn2020 Ex Oil Mist Detector
ASSEMBLY AND INSTALLATION 6.5.4 Setting the sensitivity on the VN2020 / VN2020 EX oil mist detector The oil mist detector determines the oil mist concentration by optical measurement. The calculated value is the opacity in percent. 100% opacity means that no more light penetrates through the oil mist sample because of maximum turbidity.
Page 96: Function Test When Starting Up For The First Time
ASSEMBLY AND INSTALLATION Setting the sensitivity 1: “Sensitivity” display 2: “Update VN2020 Conf” button 1. Changing the sensitivity   Move the position arrow under “Sensitivity” [ ] to the position you want. In the example above, the sensitivity has been changed to level 4. 2.
Page 97: Function Test For Starting Up For The First Time, Vn2020 / Vn2020 Ex
ASSEMBLY AND INSTALLATION IMPORTANT INFORMATION Using smoke tubes correctly  The smoke tubes approved for use have an expiry date and must therefore be used at the latest within 3 months of delivery.  Smoke tubes that have already reached their expiry date must be properly ...
Page 98: Factory Test By The Engine Builder With Smoke Generator On Starting Up
The VN2020 / VN2020 EX devices can alternatively be tested by a smoke test. As the test equipment is not normally available on ships, SCHALLER AUTOMATION recommends that this test is only carried out during factory testing with the SCHALLER smoke generator (see figure below).
Page 99: Schaller Smoke Generator, Vn2020 / Vn2020 Ex
ASSEMBLY AND INSTALLATION Schaller smoke generator, VN2020 / VN2020 EX 1: Smoke collection head 2: Collection container 3: Flexible hose Once the steps in Sections 6.5.1 to 6.5.4 have been successfully completed or the maintenance covers on the crankcase have been opened, you can start the function test.
Page 100: Vn2020 Oil Mist Detector
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.
Page 101 ASSEMBLY AND INSTALLATION 1: Siphon block 2: Screw plug 1: Siphon block 2: Flexible hose Operating manual  VISATRON® Oil Mist Detector  VN2020 / VN2020 EX Part number 183001  Version 3.0...
Page 102: Factory Test With Smoke Generator (Steps 1-3)
ASSEMBLY AND INSTALLATION   Press the flexible hose [ ] onto the opening (test mist inlet) of the previously removed screw plugs of the siphon blocks, as shown, or onto the open end of the header pipe.  Then carry out steps 1-5 (measurement) in this section. ...
Page 103: Manufacturer Settings
MANUFACTURER SETTINGS 7 Manufacturer settings ® 7.1 Parameter settings, VISATRON VN2020 / VN2020 EX ® The VISATRON VN2020 / VN2020 EX oil mist detector has two available alarm thresholds. The main alarm threshold can be change using the software and the interface (USB port) on the measuring head, as shown in the figure below.
Page 104 MANUFACTURER SETTINGS DANGER  You may only adjust the parameters of the measuring head with the engine switched off. The power and compressed air supply to the oil mist detector must also be switched off first. ®  Before starting to adjust parameters, the housing of the VISATRON VN2020 ...
Page 105: Vn2020 Measuring Head
Removing the VN2020 measuring head (installation steps 1-2) 1: VN2020 measuring head The laptop and the measuring head are connected as shown in the figure below: VISATRON VN2020 / VN2020 EX connection unit USB port Service laptop/netbook Establ. the USB connection between the VN2020 measuring head & service PC NOTE ®...
Page 106: Installing The Vn2020 Measuring Head
MANUFACTURER SETTINGS The parameters are entered as per the parameter list below: Parameter set Input values 1 Input values 2 Number of suction 5 to 10 points (compartments) Pre-alarm threshold 20% to 100% Oil mist alarm Opacity alarm Oil mist concentration threshold threshold 0.55 mg/l...
Page 107 MANUFACTURER SETTINGS Finally, re-establish all electrical and pneumatic connections to the measuring head.  ® Adjusting the parameters of the VISATRON VN2020 measuring head has been completed successfully! Operating manual  VISATRON® Oil Mist Detector  VN2020 / VN2020 EX Part number 183001 ...
Page 108: Operation And Use
OPERATION AND USE 8 Operation and use This section describes how to operate the product. This section covers all the operating modes available on the product, as well as how to restart the product after a system failure, and also warns of hazardous situations that may arise during operation. WARNING Risk of oil mist explosion Failure to comply with the safety instructions may result in major damage to property...
Page 109: Operation Under Correct Conditions
OPERATION AND USE  The oil mist detector is functioning and ready for operation when the checklist has been completed successfully.  For further information, please see Section 10 of this manual. Section 10 Error diagnosis and troubleshooting 8.2 Operation under correct conditions The operating temperature for the VN2020 EX ...
Page 110: Led Check
OPERATION AND USE ® The VISATRON VN2020 / VN2020 EX oil mist detector is ready for operation, indicated   “System ready” LED. [ by the green ] The LED around the [ ] button is switched off in this mode of operation. ...
Page 111: Checking The Supply Pressure, Sensor Omc And Sensitivity
OPERATION AND USE 8.6 Checking the supply pressure, sensor OMC and sensitivity To carry out these checks, please see the following sections in this manual:  Section 6.5.3 Setting the negative pressure at the measuring head of the VN2020 / VN2020 EX ...
Page 112: Oil Mist Alarm" Status Indicator
OPERATION AND USE 8.8 “Oil mist alarm” status indicator DANGER Risk of death There is a risk of serious injury, including death, due to explosion in the crankcase as a result of incorrect installation.  In the event of an oil mist alarm, do not approach the engine again until the alarm threshold on the oil mist detector or the remote indicator has fallen again.
Page 113: Confirming An Oil Mist Alarm
OPERATION AND USE flashing LEDs come on VN2020 measuring head: “Alarm” status indicator at 100% OMC 1: Confirmation button 2: Display; Relative Oil Mist Concentration 3: System status 8.9 Confirming an oil mist alarm DANGER Risk of death There is a risk of serious injury, including death, due to explosion in the crankcase as a result of incorrect installation.
Page 114 OPERATION AND USE VN2020 measuring head: Confirming an oil mist alarm 1: Confirmation button Operating manual  VISATRON® Oil Mist Detector  VN2020 / VN2020 EX Part number 183001  Version 3.0...
Page 115: Maintenance And Repair
MAINTENANCE AND REPAIR 9 Maintenance and repair WARNING Warning – risk of oil mist explosion during maintenance work  Safe operation is conditional on no explosive atmosphere escaping into the engine room. An explosive atmosphere that escapes can cause a risk of explosion.
Page 116: Maintenance Cycles For Reliable Operation
WARNING Risk of serious injury or death from oil mist explosion during maintenance work  Only use original spare parts from Schaller Automation for maintenance and repair work! All the maintenance work is described in the following sections. 9.1.1 Maintenance cycles for reliable operation ®...
Page 117 MAINTENANCE AND REPAIR Description Interval every six months or after every 4,000 operating hours (whichever occurs first) Hours Or months Check the supply pressure setting at the measuring head: U-tube ▪ Negative pressure manometer < 55 mmWC (5.5 mbar) (270532) ➔...
Page 118 MAINTENANCE AND REPAIR Check the bellows and spring systems between the base plate and the measuring head for May need a damage torch ➔ Damaged parts must be replaced immediately Complete overhaul of the oil Service kit for mist detector the VN2020 (155004) Key to maintenance measures:...
Page 119: Cleaning The Light Path On The Measuring Head (4,000 Hours)
Cleaning and care of system components For the cleaning and maintenance of system components of the VN2020 oil mist detector, the following optional products are offered by Schaller Automation as accessories and can be ordered directly under the listed part numbers: ...
Page 120 MAINTENANCE AND REPAIR WARNING Warning – risk of oil mist explosion during maintenance work  Safe operation is conditional on no explosive atmosphere escaping into the engine room. An explosive atmosphere that escapes can cause a risk of explosion.  Only carry out maintenance and repair work when the engine is stopped.
Page 121 MAINTENANCE AND REPAIR 1: Measuring head 2: Seal (old -> dispose of!) 1: Schaller Cleaning Kit (151482) 2: Cleaning fluid 3: Cleaning buds from the cleaning kit 4: Diode glass, left Operating manual  VISATRON® Oil Mist Detector  VN2020 / VN2020 EX Part number 183001 ...
Page 122 MAINTENANCE AND REPAIR NOTE Cleaning and care using the cleaning kit  The cleaning buds from the cleaning kit are for single use only!  The diode glass surfaces are cleaned with circular movements, as shown in the figure above. ...
Page 123: Cleaning The Light Path, Vn2020 (Steps 1- 8)
MAINTENANCE AND REPAIR 1: Seal (new) 2: 2x centring pins 3: Measuring head   Positioning of the new seal [ ] for the inspection cover over the two  dowel pins [ ] completed successfully. Cleaning the light path, VN2020 (steps 1- 8) 1: Inspection cover 2: 4x neck collar bolts (tighten crosswise;...
Page 124: Replacing The Air Filter Element On The Pressure Reducer Unit (4,000 Hours)
4,000 operating hours at the latest. The air filter element (366717) is part of the Schaller maintenance kit (155003) and can also be ordered separately from Schaller Automation if required. NOTE Maintenance work on the oil mist detector ...
Page 125: Replacing The Air Filter Element On The Pressure Regulator Unit
MAINTENANCE AND REPAIR Replacing the air filter element on the pressure regulator unit 1: Pressure regulator unit 2: Air filter element 3: Plastic disc The air filter element is replaced according to the following steps: 1: Pressure regulator unit 2: Filter cover 3: Locking lever ...
Page 126 MAINTENANCE AND REPAIR 2: Air filter element – 1: Plastic disc ->   Note on steps 3 and 4: Start by unscrewing the plastic disc [ ] and then pull   down the plastic disc [ ] with the air filter element [ ...
Page 127 MAINTENANCE AND REPAIR Tighten 1 hand-tight 1: Plastic disc 2: Air filter element (new)    Note on step 5: Reinstall the plastic disc [ ] with the new air filter element [ into the pressure regulator unit.  ...
Page 128 MAINTENANCE AND REPAIR   Note on steps 7 and 8: Start by pushing the filter cover [ ] into the pressure   regulator unit [ ] and then turn it to the right until the blue locking lever [ engages automatically.
Page 129: Function Test Of The Oil Mist Detector Using Smoke Tube (4,000 Hours)
MAINTENANCE AND REPAIR 9.1.4 Function test of the oil mist detector using smoke tube (4,000 hours) To ensure reliable operation of the VN2020 / VN2020 EX oil mist detector, a function test with a smoke tube mist test must be carried out every six months or after 4,000 operating hours at the latest.
Page 130 MAINTENANCE AND REPAIR 1: Measuring head 2: Inspection cover 3: Screw plug 4: Allen key, size 6/torque spanner for 15 Nm 1: Measuring head 2: Inspection cover 3: Push-in fitting with flexible hose   ] is the same as 4 and 5 in Figure 70. ...
Page 131: Function Test With Test Mist (Steps 1-4)
MAINTENANCE AND REPAIR 1: Hand pump 2: Smoke tube 3: Adapter 4: Flexible hose with push-in fitting    Assembly of the remaining hose parts [   For the function test: Press [ ] at least 3 times LED flashing LEDs come on...
Page 132: Replacing The Seal On The Connection Box (8,000 Hours)
8,000 operating hours at the latest. The seal (356950) is part of the Schaller maintenance kit (155006/155004) and can also be ordered separately from Schaller Automation if required. NOTE Maintenance work on the oil mist detector ...
Page 133 MAINTENANCE AND REPAIR 1: Close the shutoff lever valve 1: Compressed air hose “venturi injector”, VN2020 AF size 36 1: “Connection box” union nut, VN2020 Operating manual  VISATRON® Oil Mist Detector  VN2020 / VN2020 EX Part number 183001  Version 3.0...
Page 134 MAINTENANCE AND REPAIR 1: Connection box 2: Connection box fixing screws NOTE Risk of impact and crushing   Hold the connection box [ ] by hand while loosening the fixing screws. 1: Connection box, VN2020 Operating manual  VISATRON® Oil Mist Detector  VN2020 / VN2020 EX Part number 183001 ...
Page 135 MAINTENANCE AND REPAIR 1: (Old) connection box seal -> dispose of this 1: Connection box sealing surface, VN2020 1: (New) connection box seal, VN2020 2: 4x fixing screws Operating manual  VISATRON® Oil Mist Detector  VN2020 / VN2020 EX Part number 183001 ...
Page 136 MAINTENANCE AND REPAIR   Position the new seal [ ] for the connection box using at least 2 existing  hexagon head screws [ ] with lock washer, which were previously removed in installation step 4.   Cleaning of the sealing surface [ ] for the new seal of the connection box completed successfully.
Page 137 MAINTENANCE AND REPAIR   Tighten the union nut [ ] of the pipe or hose connection by hand until you can feel that it is in contact with the screw fitting, cutting ring and union nut. WARNING Risk of explosion ...
Page 138: Inspection Of The Oil Mist Detector (16,000 Hours Or After 24 Months)
MAINTENANCE AND REPAIR Replacing the seal on the connection box (steps 1- 13), VN2020 1: Open the shutoff lever valve  The device is ready for operation! 9.2 Inspection of the oil mist detector (16,000 hours or after 24 months) To ensure that the device is in proper working condition, defined maintenance and inspection work must be carried out by authorised and instructed specialist personnel.
Page 139: Replacing The Vn2020 / Vn2020 Ex Measuring Head
VN2020 oil mist detector. In the event of a defect or continuous malfunction, the measuring head has to be replaced. The measuring head is a spare part and can be ordered separately from Schaller Automation using the serial number, as follows: •...
Page 140: Measuring Head, Vn2020 Oil Mist Detector
MAINTENANCE AND REPAIR Measuring head, VN2020 oil mist detector 1: VN2020 measuring head The measuring head is replaced according to the following steps: DANGER  The measuring head may only be replaced with the engine switched off.  The power and compressed air supply must be switched off before starting maintenance and repair work.
Page 141 MAINTENANCE AND REPAIR 1: Measuring head compressed air hose, VN2020  Pull the compressed air hose off on the right side of the measuring head and push to one side 1: VN2020 measuring head 2: Measuring head plug connection, VN2020 ...
Page 142  Hold the measuring head [ ] by hand while loosening the fixing screws.  Remove the measuring head and send it back to Schaller Automation. Remove the flat seal and dispose of the seal in accordance with local disposal regulations.
Page 143 MAINTENANCE AND REPAIR 1: (New) VN2020 measuring head 2: (New) measuring head seal, VN2020 3: Neck collar bolts  Place the new seal (supplied) on the back of the new measuring head. Secure the seal by inserting two of the eight pre-assembled screws through the four outer holes.
Page 144 MAINTENANCE AND REPAIR As soon as the measuring head has been successfully replaced, fasten the neck collar bolts (2) as shown in the figure above, observing the fastening sequence from and the defined tightening torque! 1: Measuring head compressed air hose, VN2020 1: VN2020 measuring head 2: Measuring head plug connection, VN2020 NOTE...
Page 145: Replacing The Fuse On The Vn2020 / Vn2020 Ex Measuring Head
In the event of a defect, the fuse on the measuring head has to be replaced. The fuse is a spare part and can be ordered separately from Schaller Automation as follows: VN2020 measuring head: Part number 290044 / VN2020 EX: Part number 290045 ...
Page 146: Replacing The Fuse On The Vn2020 Measuring Head (Steps 1-3)
MAINTENANCE AND REPAIR 1: VN2020 measuring head 2: Fuse 5x20 medium time-lag 2A (old/defective) Range of fuses 1: Fuse 5x20 medium time-lag 2A (new) Replacing the fuse on the VN2020 measuring head (steps 1-3) 1: VN2020 measuring head 2: Fuse 5x20 medium time-lag 2A (new) Operating manual ...
Page 147: Replacing The Seal On The Inspection Cover
Section 9.1.2 Cleaning the light path on the measuring head (4,000 hours) The seal is a spare part and can be ordered separately from Schaller Automation as follows: VN2020 measuring head: Part number 290044 / VN2020 EX: Part number 290045 ...
Page 148: Replacing The Inspection Cover Screw Plug
Inspection cover screw plug, VN2020 1: Screw plug 2: O-ring The screw plug is a spare part and can be ordered separately from Schaller Automation as follows: VN2020 measuring head: Part number 290044 / VN2020 EX: Part number 290045  “Inspection cover” screw plug: 366604...
Page 149: Replacing The Screw Plug On The Vn2020 Measuring Head (Steps 1-3)
MAINTENANCE AND REPAIR 1: Screw plug (new) Replacing the screw plug on the VN2020 measuring head (steps 1-3) 1: Inspection cover 2: Screw plug (old) 3: Allen key, size 6 (Torque spanner for 15 Nm)   Finally, screw the screw plug [ ] into the inspection cover to a torque of 15 Nm.
Page 150: Replacing The Terminal Box On The Vn2020 / Vn2020 Ex
If the terminal box has a defect of malfunction, it has to be replaced. The terminal box is a spare part and can be ordered separately from Schaller Automation as follows: VN2020 measuring head: Part number 290044 / VN2020 EX: Part number 290045 ...
Page 151 MAINTENANCE AND REPAIR The terminal box is replaced according to the following steps: DANGER  The terminal box may only be replaced with the engine switched off.  The power and compressed air supply must be switched off before starting maintenance and repair work.
Page 152 MAINTENANCE AND REPAIR 1: VN2020 terminal box 2: Cover, VN2020 terminal box AF size 27 AF size 24 Operating manual  VISATRON® Oil Mist Detector  VN2020 / VN2020 EX Part number 183001  Version 3.0...
Page 153   Remove the (old) terminal box [  Then dispose of the (old) terminal box or return it to Schaller Automation Operating manual  VISATRON® Oil Mist Detector  VN2020 / VN2020 EX Part number 183001  Version 3.0...
Page 154 MAINTENANCE AND REPAIR  Now take the new terminal box and remove the cover as described in step 2 in  this section and store it for use later on. Section 9.3.6 Replacing the terminal box on the VN2020 / VN2020 EX ...
Page 155: Replacing The Vn2020 Terminal Box (Installation Steps 1-8)
MAINTENANCE AND REPAIR AF size 27 For 4) 6.7 Nm After the electrical installation, the terminal box on the VN2020 is closed again, as shown in the figure below. Tighten the screws crosswise. Then re-establish the electrical connection between the terminal box and the measuring head. For 2) 2.5 Nm Replacing the VN2020 terminal box (installation steps 1-8)
Page 156: 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...
Page 157: Filter Control Valve, Vn2020 Oil Mist Detector
MAINTENANCE AND REPAIR Filter control valve, VN2020 oil mist detector 1: VN2020 measuring head 2: Filter control valve (the pressure regulator unit) The filter control valve is replaced according to the following steps: 1: Close the shutoff lever valve Operating manual  VISATRON® Oil Mist Detector  VN2020 / VN2020 EX Part number 183001 ...
Page 158 MAINTENANCE AND REPAIR AF size 10 AF size 10 1: 4x fixing screws, full set (old) 2: Filter control valve (old) AF size 10 AF size 10 7.4 Nm 1: 4x fixing screws, full set (new) 2: Filter control valve (new) Operating manual ...
Page 159 MAINTENANCE AND REPAIR 1: Adjusting cap NOTE Checking the supply pressure on the oil mist detector  After completing installation step 7, the supply pressure on the VN2020 measuring head has to be checked again and readjusted if necessary.  See Section 6.5.3 ...
Page 160: Replacing The Connecting Hose On The Vn2020 / Vn2020 Ex
If the connecting hose that connects the venturi injector to the measuring head has a defect of malfunction, it has to be replaced. The connecting hose is a spare part and can be ordered separately from Schaller Automation as follows:  Connecting hose: 290025...
Page 161: Connecting Hose, Vn2020 Oil Mist Detector
MAINTENANCE AND REPAIR  ESD safety shoes according to ESD standard DIN EN 61340-5-1 Connecting hose, VN2020 oil mist detector The connecting hose, is replaced according to the following steps: 1: Close the shutoff lever valve Operating manual  VISATRON® Oil Mist Detector  VN2020 / VN2020 EX Part number 183001 ...
Page 162 MAINTENANCE AND REPAIR 1: Connecting hose (old)   Pull off the connecting hose to be replaced [ ] on the right side of the measuring head and on the venturi injector.  Insert the new connecting hose back into the two push-in fittings as far as it will go, as per the figure below.
Page 163: Repair By Schaller Automation
 The connecting hose has been successfully replaced and the device is ready for operation! 9.4 Repair by Schaller Automation If your oil mist detection system is defective or malfunctions, please contact Schaller Automation or an authorised service partner immediately.
Page 164: Error Diagnosis And Troubleshooting
ERROR DIAGNOSIS AND TROUBLESHOOTING 10 Error diagnosis and troubleshooting WARNING Risk of oil mist explosion Failure to comply with the safety instructions may result in major damage to property or the environment and in serious injury or death.  Start by familiarising yourself with the basic safety instructions for working with ...
Page 165: Defect In The Measuring Head
ERROR DIAGNOSIS AND TROUBLESHOOTING VN2020 measuring head: “System or device error” status indicator 1: “Error code” display 2: “System status” display 10.1.1 Defect in the measuring head WARNING Replacing a defective measuring head Failure to comply with the safety instructions may result in major damage to property or the environment and in serious injury or death.
Page 166: Error Diagnosis And Troubleshooting
The displayed errors can be corrected by the customer or alternatively by an authorised Schaller service partner. In this case, contact service at Schaller Automation Industrielle Automationstechnik GmbH & Co KG. ...
Page 167: Troubleshooting
ERROR DIAGNOSIS AND TROUBLESHOOTING “System Error code/ Error description Ready for failure” LED description operation Supply pressure too low Optical sensor very dirty– cleaning must be carried out Internal error Internal error Supply pressure too high Internal error 10.2.2 Troubleshooting Error code/ Type of fault/Possible Solution...
Page 168 ERROR DIAGNOSIS AND TROUBLESHOOTING Error Type of Solution code/descript fault/possible causes Device is not ready 1. Remove or relocate objects nearby 08/electronics for operation emitting heat temperature 2. Install metallic heat shields to shield too high again heat radiation ▪ Ambient temperature too (>...
Page 169: Final Shutdown And Disposal
 This product must not be disposed of as residential waste. It is therefore marked with the symbol on the left.  Schaller Automation takes back this product free of charge. Information about this is available from the national sales organisations and Schaller Automation.
Page 170: Contact
United States of America Phone: +1 954 794 1950 Mobile: +1 561 289 1495 Fax: +1 954 794 1951 Email: info@schalleramerica.com Schaller Automation Pte Ltd. 114 Lavender Street #09-93 CT Hub 2 Singapore 338729 Phone: +65 6643 5151 Mobile: +65 9788 7550...
Page 171: Spare Parts For Vn2020 / Vn2020 Ex
Using other parts may exclude liability for the consequences.  Only use original spare parts from Schaller Automation! 13.1 Spare parts list VN2020 Overview of the positions of spare parts for the VISATRON ® VN2020...
Page 172 (*): Please complete the form to provide your device data when requesting a measuring head spare part and send it to Schaller Automation or an authorised service partner. See the Appendix for contact details. Visit our homepage and find your nearest service partner.
Page 173: Spare Parts List Vn2020 Ex
SPARE PARTS FOR VN2020 / VN2020 EX 13.2 Spare parts list VN2020 EX Overview of the positions of spare parts for the VISATRON ® VN2020 EX Item Part Number Description Kit No. 290043 Spare parts kit for terminal box 270045 Lithium battery with diode 155004 Spare parts kit for measuring head...
Page 174 (*): Please complete the form to provide your device data when requesting a measuring head spare part and send it to Schaller Automation or an authorised service partner. See the Appendix for contact details. Visit our homepage and find your nearest service partner.
Page 175: Maintenance Kit (4,000 / 8,000 / 12,000 Hours)
13.3 Maintenance kit (4,000 / 8,000 / 12,000 hours) The maintenance kit is used for both the VN2020 and VN2020 EX and can be ordered separately from Schaller Automation as follows:  Maintenance kit: 155006 Maintenance kit for the VN2020 / VN2020 EX...
Page 176: Cleaning Kit
SPARE PARTS FOR VN2020 / VN2020 EX 13.4 Cleaning kit The cleaning kit is used for both the VN2020 and VN2020 EX and can be ordered separately from Schaller Automation as follows:  Cleaning kit: 151482 Cleaning kit for VN2020 / VN2020 EX...
Page 177: Service Kit For Vn2020 (16,000 Hours / 24 Months)
SPARE PARTS FOR VN2020 / VN2020 EX 13.5 Service kit for VN2020 (16,000 hours / 24 months) The service kit is used for both the VN2020 and VN2020 EX and can be ordered separately from Schaller Automation as follows:  Service kit: 155004 NOTE Maintenance work on the oil mist detector ...
Page 178 SPARE PARTS FOR VN2020 / VN2020 EX Item Part Number Description Kit No. 356951 Seal for mounting plate 155004 356950 Seal for connection box 155004 356952 Seal for inspection cover 155004 366604 Screw plug 155004 200211 Top spring system 155004 200212 Bottom spring system 155004...
Page 179: Accessories For Vn2020 / Vn2020 Ex
Using unapproved accessories may affect the safety of the installation. Original accessories are necessary for the device to operate correctly and are designed for your safety. Using other parts may exclude liability for the consequences.  Only use original accessories from Schaller Automation! Part Description List...
Page 180 ACCESSORIES FOR VN2020 / VN2020 EX Part Description List Number Price ® Smoke test box for VISATRON devices The smoke test box contains all the tools and parts required to maintain and check the oil mist detector. 151780 request ® U-tube manometer for VISATRON devices U-tube manometer, including accessories and list of...
Page 181 ACCESSORIES FOR VN2020 / VN2020 EX Part Description List Number Price ® Differential pressure gauge for VISATRON devices Differential pressure gauge including accessories, for measuring differential pressures from 0 to 100 hPa on ® VISATRON devices. 151800 request ® Smoke fluid for VISATRON devices Smoke fluid for the Schaller smoke generator, for performing smoke tests...
Page 182: List Of Figures
LIST OF FIGURES 15 List of figures Name plate, VISATRON® VN2020 measuring head ............22 Name plate, VISATRON® VN2020 EX measuring head ..........23 ® Name plate, VISATRON VN2020 measuring head ............23 ® Name plate, VISATRON VN2020 EX measuring head ..........24 ®...
Page 183 LIST OF FIGURES Closing the terminal box for VN2020 ................86 Position and installation, earth connection and protective cover for VN2020 ....87 Installing the earth connection, VN2020 ................. 87 System Ready on VN2020 / VN2020 EX measuring head ..........90 Setting the neg.
Page 184: List Of Tables
LIST OF TABLES 16 List of tables Table 1: Version history and change notes ..................3 Table 2: Variables and units of measurement that are used ............13 Table 3: Information, warning and mandatory signs ..............17 Table 4: Mechanical interfaces ...................... 28 Table 5: Electrical interfaces ......................
Page 185: Glossary
GLOSSARY 17 Glossary Term Description Non Ex / Ex oil mist detector type designation, designed to VN2020 / VN2020 EX protect large engines (gas, diesel and dual fuel) Provides the functionality of the oil mist detection system and Measuring head is used to adjust parameters of measured variables Used to draw in the oil mist atmosphere from the crankcase in Engine wall connection...
Page 186: Ec Declaration Of Conformity
We hereby declare that the design of the machine described below and the version we have placed on the market fulfils the essential health and safety requirements of EC Machinery Directive 2006/42/EC. Manufacturer: SCHALLER AUTOMATION Industrielle Automationstechnik GmbH & Co. KG Industriering 14 D-66440 Blieskastel, Germany...
Page 187 We hereby declare that the design of the machine described below and the version we have placed on the market fulfils the essential health and safety requirements of EC Machinery Directive 2006/42/EC. Manufacturer: SCHALLER AUTOMATION Industrielle Automationstechnik GmbH & Co. KG Industriering 14 D-66440 Blieskastel, Germany...
Page 188: Attachments
Why is the oil mist detector faulty? If your oil mist detector is defective or malfunctions, please contact Schaller Automation or one of our authorised service partners immediately. Please fill in the following form in full and send it to us immediately together with the defective part.
Page 189 ATTACHMENTS 1. Condition of the oil mist detector: ☐ ☐ Oil mist detector mechanically damaged? : Not functioning when operated? : 2. Checked whether suction on the oil mist ☐ ☐ detector is working properly? ☐ ☐ 3. Is the condition of the intake line OK? ☐...
Page 190 ATTACHMENTS  Section 10.2 Error diagnosis and troubleshooting See also Section 10.2 -> Codes 14 and 33 If yes, please check as follows: ☐ ☐ Is there no compressed air available? If there is, is there enough/too much compressed air available? ☐...
Page 191: Notes
NOTES 20 Notes Notes Operating manual  VISATRON® Oil Mist Detector  VN2020 / VN2020 EX Part number 183001  Version 3.0...
Page 192: Index
INDEX 21 Index Accessories ........179 Normal operation ........ 109 Adjusting the parameters ....104 Notation and symbols ......8 Alarm .......... 112, 131 Operating manual ........8 Alarm thresholds ......... 103 Operating modes ........36 Assembly ..........45 Operating the product ......108 Checklist ..........
Page 193: Customer Information
CUSTOMER INFORMATION 22 Customer information Operating manual  VISATRON® Oil Mist Detector  VN2020 / VN2020 EX Part number 183001  Version 3.0...

This manual is also suitable for:

Visatron vn2020 ex 0719025000 1219028000

Schaller Automation VISATRON VN2020 Operating Manual

Table of Contents

1 Information about the Operating Manual

2 Safety Instructions

3 Identification

4 Product Overview

5 Transport and Storage

6 Assembly and Installation

7 Manufacturer Settings

8 Operation and Use

9 Maintenance and Repair

10 Error Diagnosis and Troubleshooting

11 Final Shutdown and Disposal

12 Contact

13 Spare Parts for VN2020 / VN2020 EX

14 Accessories for VN2020 / VN2020 EX

List of Figures 15 List of Figures

15 List of Figures

16 List of Tables

17 Glossary

18 EC Declaration of Conformity

19 Attachments

20 Notes

21 Index

22 Customer Information

Quick Links

Chapters

Troubleshooting

Need help?

Questions and answers

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Summary of Contents for Schaller Automation VISATRON VN2020