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Schaller Automation VISATRON VN301 plus Operating Manual

Oil mist detection system
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OPERATING MANUAL
®
VISATRON
plus
VN301
/ VN301
Version date:
24/01/2024
Version:
Version 2.1
Document No.:
Part number 180072
The original operating manual is written in German.
Any translations are based on the original operating manual.
Oil Mist Detection System
plus
EX

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Summary of Contents for Schaller Automation VISATRON VN301 plus

  • Page 1 OPERATING MANUAL ® VISATRON Oil Mist Detection System plus plus VN301 / VN301 Version date: 24/01/2024 Version: Version 2.1 Document No.: Part number 180072 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 J. Hönninger / S. • Release (first version) 07/11/2013 Höh • Safety instructions, terminology and positions of parts added J. Hönninger / S. 13/10/2014 • Revision of graphics and text Höh •...

  • 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: Component Overview, Visatron

    TABLE OF CONTENTS 3.4.4 Environmental conditions ......................32 3.4.5 Type approval ........................... 32 Product overview ........................33 ® plus Component overview, VISATRON VN301 ................33 ® plus Component overview, VISATRON VN301 EX ..............33 Technical description and technical data .................. 34 ®...
  • Page 6 9.3.2 Replacing the VN301 / VN301 EX sensor unit..............120 9.3.3 Replacing the hybrid cable ...................... 120 Repair by Schaller Automation ....................120 Taking out of service and disassembly ................... 120 Starting up again ........................120 Error diagnosis and troubleshooting .................. 121 10.1 Behaviour of the oil mist detection system in the event of a fault ...........
  • Page 7 TABLE OF CONTENTS 10.1.1 Defect on the sensor unit ......................123 10.2 Troubleshooting ........................125 Final shutdown and disposal ....................127 11.1 Disposal ..........................127 11.2 Final shutdown ........................127 Contact ........................... 128 plus plus VN301 / VN301 EX spare parts ................... 129 13.1 Spare parts list ........................

  • 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 The following operator qualifications are required for this device: • completed vocational training as an electrician (electronics technician) or mechatronics technician, industrial mechanic or equivalent technical training; and • instruction by the operator on the instructions for the entire installation on site.

  • Page 11: Liability For Defects

    IEC 60079-0 (2018) and IEC 60079-28 (2015) 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

    • EP2615269B1 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: Important Information About Retrofitting Or Converting Engines

    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. 2.3 Important information about retrofitting or converting engines The installation and starting up of the device when retrofitting or converting engines that are not new engines may only be carried out by authorised Schaller service partners.

  • Page 16: Information, Warning And Mandatory Signs That Are Used

    SAFETY INSTRUCTIONS 2.4 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! 2.5 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. DANGER Mechanical hazards There is a risk of serious injury, including death, from explosion in the crankcase as...
  • 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 plus plus VN301 /VN301 central unit 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

    EX marking after the ® plus VISATRON VN301 series designation 3.2 Manufacturer's details Schaller Automation Industrielle Automationstechnik GmbH & Co. KG Industriering 14 66440 Blieskastel/Saarland Germany Phone: +49 6842 508-0 Fax:...

  • Page 22: Name Plate

    IDENTIFICATION 3.3 Name plate The product is identified by a name plate ® • plus plus for the end cover (on the end cover of the VISATRON VN301 - / VN301 EX sensor unit) ® • plus for the central unit (as a sticker on the left side of the VISATRON VN301 central unit) The serial number on the name plate contains information about the product and is...

  • Page 23: Name Plate For The Visatron

    IDENTIFICATION Name plate, VISATRON ® VN301 plus central unit 1: Device type and designation 2: Part number 3: Barcode with serial number (example) 4: CE marking ® plus 3.3.2 Name plate for the VISATRON VN301 sensor unit The serial number (name plate) is attached to the outside on the end cover of the sensor unit.

  • Page 24: Name Plate For The Visatron Vn301 Plus Ex Sensor Unit

    IDENTIFICATION The following information is provided on the end cover: Name plate on the VISATRON ® VN301 plus end cover 1: Serial number (example) with barcode 2: Manufacturer's details ® plus 3.3.3 Name plate for the VISATRON VN301 EX sensor unit The serial number (name plate) is attached to the outside on the end cover of the sensor unit.
  • Page 25 IDENTIFICATION The following information is provided on the end cover: Name plate on the VISATRON ® VN301 plus end cover 1: Serial number (example) with barcode 2: Manufacturer's details Operating manual  VISATRON® Oil Mist Detection System  VN301plus / VN301plus EX Part number 180072 ...

  • Page 26: Technical Data

    IDENTIFICATION 3.4 Technical data Mechanical dimensions of the VISATRON ® VN301 plus central unit Operating manual  VISATRON® Oil Mist Detection System  VN301plus / VN301plus EX Part number 180072  Version 2.1...

  • Page 27: Mechanical Dimensions Of Vn301

    IDENTIFICATION plus central unit; version with water separator Mechanical dimensions of VN301 Operating manual  VISATRON® Oil Mist Detection System  VN301plus / VN301plus EX Part number 180072  Version 2.1...
  • Page 28 IDENTIFICATION Cable bending radius (alternative: 95) Cable bending radius approx. 92 approx. 148 (alternative: 95) Operating manual  VISATRON® Oil Mist Detection System  VN301plus / VN301plus EX Part number 180072  Version 2.1...

  • Page 29: Sensor Unit Vn301

    IDENTIFICATION Cable bending radius (alternative: 95) approx. 163 plus plus Mechanical dimensions of VN301 / VN301 EX sensor unit plus 1: Sensor unit VN301 , vertical plus Sensor unit VN301 EX, vertical plus 2: Sensor unit VN301 , horizontal plus Sensor unit VN301 EX, horizontal plus...

  • Page 30: Mechanical Interfaces (M)

    IDENTIFICATION 3.4.1 Mechanical interfaces (M)  Section 6.3.2 Sensor unit  Section 6.3.3 Central unit plus plus VN301 / VN301 EX sensor unit Max. dimensions (L x W x H) approx. 205 x 92 (max. 167) x 70 mm Weight Sensor unit: 0.85 kg Intake manifold: 0.35 kg...

  • Page 31: Pneumatic Interfaces (P)

    Colour: Purple, max. 400 m length The bus cable can be purchased from: • LAPP: Part No.: 2170204, or • Schaller Automation: Part No.: 230140 CAN communication interface 4-wire CAN interface using CANopen protocol, electrically isolated CAN cable inlet M16: Cable diameter 4.5-10 mm...

  • Page 32: Environmental Conditions

    IDENTIFICATION 3.4.4 Environmental conditions Environmental conditions Operating temperature +5 °C to +70 °C Storage temperature -25 °C to +50 °C Max. approval-compliant vibrations for the 5 Hz to 25 Hz: 1.6 mm (max. displacement) device 25 Hz to 100 Hz: 4g (40 m/s (max.

  • Page 33: Product Overview

    PRODUCT OVERVIEW 4 Product overview ® plus 4.1 Component overview, VISATRON VN301 Component overview, VISATRON ® VN301 plus plus plus 1: VN301 central unit 2: Sensor unit VN301 3: Hybrid cable ® plus 4.2 Component overview, VISATRON VN301 Component overview, VISATRON ® VN301 plus plus plus...

  • Page 34: Technical Description And Technical Data

    The oil mist detection system has been developed by Schaller Automation according to IACS UR M10 guidelines. Operating manual  VISATRON® Oil Mist Detection System  VN301plus / VN301plus EX...

  • Page 35: Device Variants

    ATEX or IECEx approval must be used in potentially explosive atmospheres. ® The VISATRON VN301plus / VN301plus EX oil mist detection system from SCHALLER AUTOMATION can be used as follows: • Non-Ex version of the device; only approved for operation outside of potentially explosive atmospheres •...

  • Page 36: Sensor Unit Vn301

    PRODUCT OVERVIEW plus VN301 sensor unit, vertical connection plus Sensor unit VN301 , vertical connection plus VN301 EX sensor unit, vertical connection plus Sensor unit VN301 EX, vertical connection Operating manual  VISATRON® Oil Mist Detection System  VN301plus / VN301plus EX Part number 180072 ...

  • Page 37: Vn301 Plus Sensor Unit

    PRODUCT OVERVIEW plus VN301 sensor unit, horizontal connection plus Sensor unit VN301 , horizontal connection plus VN301 EX sensor unit, horizontal connection plus Sensor unit VN301 EX, horizontal connection Operating manual  VISATRON® Oil Mist Detection System  VN301plus / VN301plus EX Part number 180072 ...
  • Page 38 PRODUCT OVERVIEW plus VN301 sensor unit, left connection plus Sensor unit VN301 , left connection plus VN301 EX sensor unit, left connection plus Sensor unit VN301 EX, left connection Operating manual  VISATRON® Oil Mist Detection System  VN301plus / VN301plus EX Part number 180072 ...

  • Page 39: Central Unit

    PRODUCT OVERVIEW 4.3.4 Central unit ® plus plus The central unit of the VISATRON VN301 / VN301 EX provides the user with the following functions: • Distribution of the compressed air and power supply to the sensors • Communication of necessary information about the system status to the operator •...
  • Page 40 PRODUCT OVERVIEW 1: Water separator The central unit is designed to withstand extreme conditions such as vibrations or high temperatures at the engine. All important information is available at a glance. Up to 10 sensor units can be connected to the central unit, and up to 20 sensor units as master- slave version.

  • Page 41: Hybrid Cable

    PRODUCT OVERVIEW 4.3.5 Hybrid cable ® ® plus The connection between the VISATRON VN301 central unit and the VISATRON ® plus plus VN301 / VISATRON VN301 EX sensor unit is established using a hybrid cable [1], as shown in the figure below. At the front end of the cable (on the sensor side), there is a hybrid connector [2], which contains the electrical connection and a compressed air connection, and is connected to the sensor unit.

  • Page 42: Setting The Device Sensitivity

    PRODUCT OVERVIEW 4.3.7 Setting the device sensitivity ® plus plus The VISATRON VN301 / VN301 EX system determines the oil mist concentration using an optical measurement at the applicable sensor units. The values are calculated as the percentage for “opacity”. 100% opacity means that no light penetrates through the oil mist sample.

  • Page 43: Foreseeable Misuse

     It is possible to install the VISATRON VN301plus/VN301plus EX in general non-engine applications, such as grinding machines, test benches etc., but prior consultation with and approval by Schaller Automation is required. 4.6 Descriptions of the controls and indicators plus 4.6.1 Controls and indicators for the VN301...

  • Page 44: Indicators, Vn301 Plus / Vn301 Plus Ex Sensor Unit

    PRODUCT OVERVIEW 1: Confirmation button 5: Status, sensor units (Nos. 1-10) 2: System status, central unit 6: Indicator modes, alarm status (key) 3: Indicator, oil mist concentration 7: Indicator modes, sensor unit (key) 4: Indicator, oil mist sensitivity plus 4.6.1.1 Fault indicator, VN301 central unit As per the figure above, system faults are displayed using the following indicators or are identified specifically using the keys [6] and [7]:...

  • Page 45: Transport And Storage

    TRANSPORT AND STORAGE 5 Transport and storage 5.1 Unpacking and items included in delivery ® plus plus When you receive the VISATRON VN301 / VN301 EX oil mist detection system, 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.
  • Page 46 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 47: 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 48: Preparation For Signal Transfer From The Alarm Contacts

    ASSEMBLY AND INSTALLATION DANGER Electrical hazards ®  Before connecting the electrical supply lines to the VISATRON plus VN301 central unit, they must first be disconnected from the power supply. ®  Before starting work, disconnect the VISATRON plus VN301 central unit from the power supply and/or ensure that the housing is earthed.

  • Page 49: Assembling The System Components

    ASSEMBLY AND INSTALLATION  If the oil mist detection system is operated in Ex-protected 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 50: Class-Compliant Assembly And Installation According To Iacs Unified Requirement Ur M10

     The IACS Unified Requirement UR M10 specifies that the installation drawings for the oil mist detector must be approved by the engine builder and SCHALLER AUTOMATION. The oil mist detection system is installed exclusively in accordance with these drawings and the information provided in this operating manual.

  • Page 51: Engine Wall Connection, Vn301

    ASSEMBLY AND INSTALLATION 6.3.2.1 Assembly procedure for the engine wall connection DANGER Damage to the intake manifold after the assembly process  The intake manifold must not come into contact with rotating or moving parts after assembly. Premature contamination of the oil mist detection system by splash oil ...
  • Page 52 ASSEMBLY AND INSTALLATION 1: Intake manifold Adjust the horizontal position of the engine wall connection! 1: Intake manifold 2: Union nut Operating manual  VISATRON® Oil Mist Detection System  VN301plus / VN301plus EX Part number 180072  Version 2.1...

  • Page 53: Installing The Engine Wall Connection For Vn301

    ASSEMBLY AND INSTALLATION plus Installing the engine wall connection for VN301 (steps 1-8) Recommended installation for the engine wall connection (view from the crankshaft end) 1: Intake manifold (engine wall connection) 2: Engine wall 3: Splashing oil 4: Rotating crankshaft Operating manual ...

  • Page 54: Central Unit

    ASSEMBLY AND INSTALLATION ® plus plus 6.3.2.2 Installing the VISATRON VN301 / VN301 EX sensor unit on the engine wall connection plus plus Installing the VN301 / VN301 EX sensor on the engine wall connection 1: Engine wall connection (EWC) 3: 2 pcs.

  • Page 55: Remote Indicator Ii For Remote Monitoring (Optional)

    ASSEMBLY AND INSTALLATION plus Assembly procedure, VN301 central unit to engine wall plus 1: VN301 central unit 2: 4 pcs. washers S-10, galvanised spring steel (included in delivery) 3: 4 pcs. hexagon head bolts ISO 4017- M10 x 20 - 8.8 galvanised (included in delivery) 6.3.4 Remote Indicator II for remote monitoring (optional) ®...

  • Page 56: Remote Indicator Ii (Optional)

    ASSEMBLY AND INSTALLATION Remote Indicator II (optional) The user provides specific details about the installation location and attachment in each case. The requirements of IACS UR M10.11 must always be observed in this case! Dimensions for the installation space: (L x W x 2L) = 92+0.8 mm x 45+0.6 mm x 184+0.8 mm Basic description of the installation steps: Step 1: Produce the required installation space, according to Figure 30...
  • Page 57 ASSEMBLY AND INSTALLATION 2 x L Dimensions of installation space for Remote Indicator II 1: Remote Indicator II 2: Front glass panel for VN2020, horizontal 3: Front glass panel for VN2020, vertical Operating manual  VISATRON® Oil Mist Detection System  VN301plus / VN301plus EX Part number 180072 ...

  • Page 58: 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 Detection System  VN301plus / VN301plus EX Part number 180072 ...

  • Page 59: 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 60: Operating Modes And Connection Options For The Central Unit (Overview)

    ASSEMBLY AND INSTALLATION  When installing electrical and pneumatic lines on the central unit, do not use cable ties to secure lines and bundles of lines! (See AA_7.5_299) WARNING Failure to comply with the safety instructions may result in major damage to property or the environment and in serious injury or death.

  • Page 61: Electrical And Pneumatic Connection Of The Sensor Unit

    ASSEMBLY AND INSTALLATION 6.4.1.2 Operating mode 2: Two central units in use (for use with 11 ore more sensor units) Operating mode 2 “Master/Slave”, VN301 plus central unit 6.4.2 Electrical and pneumatic connection of the sensor unit ® plus The electrical and pneumatic connection between the VISATRON VN301 central unit and sensor unit is established using a hybrid cable [1] as shown in the figure below.
  • Page 62 ASSEMBLY AND INSTALLATION The electrical and pneumatic connection between the VISATRON® VN301plus central unit and sensor unit is established as per the following installation steps: CLOSE OPEN Compressed air connection Compressed air connection Position: Top 1: Hybrid connector plus plus 2: VN301 / VN301 EX sensor unit...

  • Page 63: Installing The Hybrid Cable On The Vn301

    ASSEMBLY AND INSTALLATION CLICK 1: Hybrid connector plus plus 2: VN301 / VN301 EX sensor unit CLOSE OPEN plus plus Installing the hybrid cable on the VN301 / VN301 EX sensor unit (steps 1-4) Operating manual  VISATRON® Oil Mist Detection System  VN301plus / VN301plus EX Part number 180072 ...

  • Page 64: Electrical And Pneumatic Installation Of The Central Unit

    ASSEMBLY AND INSTALLATION 6.4.3 Electrical and pneumatic installation of the central unit All the electrical terminal connections and the pneumatic connections are on the connection board in the central unit, as shown in the figure below; the free end of the hybrid cable unit, the bus and alarm lines and the power supply are connected to the board.

  • Page 65: Vn301 Plus Central Unit; Remove The Aluminium Cover Strips On The Cover

    ASSEMBLY AND INSTALLATION plus VN301 central unit; remove the aluminium cover strips on the cover plus 1: VN301 central unit 2: Aluminium cover strip plus VN301 central unit; unscrew the screws of the cover. plus 1: Cover, VN301 central unit 2: 4 pcs.

  • Page 66: Open The Vn301

    ASSEMBLY AND INSTALLATION plus Open the VN301 central unit plus 1: Bottom half of housing, VN301 central unit plus 2: Cover, VN301 central unit plus VN301 central unit, electrical and pneumatic connection (see Fig. 41 for key) Operating manual  VISATRON® Oil Mist Detection System  VN301plus / VN301plus EX Part number 180072 ...

  • Page 67: Vn301 Plus Central Unit, View Of Cable Connection Panel

    ASSEMBLY AND INSTALLATION plus VN301 central unit, view of cable connection panel 1: Terminal block for relay contacts (M25) 5: Compressed air distributor unit 2: Terminal block for power supply (M20) 6: USB port 3: Terminal block for sensor connection (M20) plus 7: Connection for cover of VN301 central unit...

  • Page 68: Vn301 Plus Central Unit; Establish Power Supply

    ASSEMBLY AND INSTALLATION Shielding plus VN301 central unit; establish power supply (connect contacts) plus VN301 central unit; tighten the EMC cable gland Operating manual  VISATRON® Oil Mist Detection System  VN301plus / VN301plus EX Part number 180072  Version 2.1...

  • Page 69: Vn301 Plus Central Unit; Establish Alarm

    ASSEMBLY AND INSTALLATION AF size 27 plus VN301 central unit; establish alarm Shielding plus VN301 central unit; establish alarm (connect contacts) Operating manual  VISATRON® Oil Mist Detection System  VN301plus / VN301plus EX Part number 180072  Version 2.1...

  • Page 70: Vn301 Plus Central Unit Sensor Connection (Electrical/ Pneumatic, Sensors 1-10)

    ASSEMBLY AND INSTALLATION plus VN301 central unit; tighten the EMC cable gland AF size 22 plus VN301 central unit sensor connection (electrical/ pneumatic, sensors 1-10) Operating manual  VISATRON® Oil Mist Detection System  VN301plus / VN301plus EX Part number 180072  Version 2.1...

  • Page 71: Vn301 Plus Central Unit Sensor Connection (Connect Contacts, Sensors 1-10)

    ASSEMBLY AND INSTALLATION Shielding plus VN301 central unit sensor connection (connect contacts, sensors 1-10) plus VN301 hybrid hose (sensor connection) Wire Applicable wire cross-section: •  0.75 mm White • Brown Wire Applicable wire cross-section: •  0.50 mm Green •...

  • Page 72: Assembly And Installation Complete (Steps 1-7; Example With 6 Hybrid Hoses)

    ASSEMBLY AND INSTALLATION Installing the pneumatic hose for sensor 1 (example)   1. Secure the electrical cables with cable ties [ ] on the cable tie retaining  plate [  Do not secure the compressed air hose Assembly and installation complete (steps 1-7; example with 6 hybrid hoses) Operating manual ...

  • Page 73: Vn301 Plus Central Unit: Overview; Configuration Of The Wire Break Resistors

    ASSEMBLY AND INSTALLATION plus 6.4.3.1 Configuration of the wire break resistors on the VN301 central unit 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 74: Vn301 Plus Central Unit: Insert Wire Break Resistors (Installation Steps 1-3)

    ASSEMBLY AND INSTALLATION 3: Wire break resistors, NO1, NO2 NO1 NO2 plus VN301 central unit: Insert wire break resistors (installation steps 1-3) 3: Wire break resistors, NO1, NO2 Operating manual  VISATRON® Oil Mist Detection System  VN301plus / VN301plus EX Part number 180072 ...

  • Page 75: Vn301 Plus Central Unit: Configuration Of The Wiring Bridges; 4 Sensors

    ASSEMBLY AND INSTALLATION plus 6.4.3.2 Configuration of the wiring bridges on the VN301 central unit 4 sensors  plus VN301 central unit: Configuration of the wiring bridges; 4 sensors 1: Wiring bridges 5 sensors  plus VN301 central unit: Configuration of the wiring bridges; 5 sensors 1: Wiring bridges 6 sensors ...

  • Page 76: Vn301 Plus Central Unit: Configuration Of The Wiring Bridges; 7 Sensors

    ASSEMBLY AND INSTALLATION 7 sensors  plus VN301 central unit: Configuration of the wiring bridges; 7 sensors 1: Wiring bridges 8 sensors  plus VN301 central unit: Configuration of the wiring bridges; 8 sensors 1: Wiring bridges 9 sensors  plus VN301 central unit: Configuration of the wiring bridges;...

  • Page 77: Electrical Connection Of The Remote Indicator Ii (Optional)

    ASSEMBLY AND INSTALLATION 10 sensors plus VN301 central unit: Configuration of the wiring bridges; 10 sensors 6.4.4 Electrical connection of the Remote Indicator II (optional) ® plus plus The VISATRON VN301 / VN301 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 78: Vn301 Plus Central Unit; Connect Contacts With Remote Indicator Ii (Optional)

    ASSEMBLY AND INSTALLATION Shielding plus VN301 central unit; connect contacts with Remote Indicator II (optional) 4: Assign sensor connection plus VN301 central unit; tighten the EMC cable gland Remote Indicator II, connect contacts (optional) 4: Assign sensor connection Operating manual  VISATRON® Oil Mist Detection System  VN301plus / VN301plus EX Part number 180072 ...

  • Page 79: Locking The Vn301 Plus Central Unit After Completing The Electrical Installation

    ASSEMBLY AND INSTALLATION plus 6.4.5 Locking the VN301 central unit after completing the electrical installation After the electrical installation is complete, the central unit is closed again as per the figure below. In this case, installation steps 1-3 as described in Section 6.4.3 are carried out in reverse order.

  • Page 80: Connection Of Earth To The Housing Of The Vn301

    ASSEMBLY AND INSTALLATION plus 6.4.6 Connection of earth to the housing of the VN301 central unit  Section 2.4 Basic safety instructions DANGER Electrical hazards ®  The VISATRON VN301 plus has to be disconnected from the power supply first, before the housing is earthed between the protective cover of the device and the engine.

  • Page 81: Installing The Earth Connection On The Vn301

    ASSEMBLY AND INSTALLATION plus Installing the earth connection on the VN301 central unit plus 4: Earthing cable with ring eye DN6 (customer-specific) 1: Protective cover VN301 5: Contact washer M6 with teeth 2: M6 hexagon nut DIN934, galvanised 6: Welding screw M6 x16 (factory-fitted) 3: Schnorr washer Towards the engine plus...

  • Page 82: 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 detection system may only be started up after all the components have been completely installed.  To establish protection of the engine, start up the oil mist detection system for the first time with the engine stopped.

  • Page 83: 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 84: Connecting The Power Supply

    ASSEMBLY AND INSTALLATION 6.5.2 Connecting the power supply ® plus The power supply on the VISATRON VN301 central unit has been provided in advance by the operator and installed according to Section 6.4.3.  Section 6.4.3 Electrical and pneumatic installation of the central unit Switch on the power supply for the oil mist detection system.

  • Page 85: Setting The Supply Pressure On The Pressure Regulator Of The Vn301

    ASSEMBLY AND INSTALLATION plus 6.5.3 Setting the supply pressure on the pressure regulator of the VN301 central unit The supply pressure to be set on the central unit is 2.5 bar. It is set as follows: plus VN301 central unit: Setting the supply pressure 1: Oil mist alarm confirmation button 4: Last installed sensor 2: “Air supply failure”...
  • Page 86 ASSEMBLY AND INSTALLATION   If the supply pressure of 2.5 bar is not achieved, the 50% OMC [ LED flashes, as in the figure below. In this example, the supply pressure is only 2 bar and therefore has to be adjusted. ...

  • Page 87: Vn301 Plus Central Unit: Adjusting The Pressure Regulator Unit

    ASSEMBLY AND INSTALLATION plus VN301 central unit: Adjusting the pressure regulator unit 1: Pressure regulator unit 2: Adjusting cap Operating manual  VISATRON® Oil Mist Detection System  VN301plus / VN301plus EX Part number 180072  Version 2.1...

  • Page 88: Displaying And Setting The Sensitivity On The Vn301

    ASSEMBLY AND INSTALLATION plus 6.5.4 Displaying and setting the sensitivity on the VN301 central unit The sensor unit 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 89: Function Test When Starting Up For The First Time

    ASSEMBLY AND INSTALLATION plus VN301 central unit: Setting the sensor sensitivity 1: Oil mist alarm confirmation button 4: Sensitivity indicator 2: Sensor units 5: Sensitivity of the sensor, with the highest OMC 3: Sensor status, with the highest OMC 6: OMC for displayed sensor ...

  • Page 90: Function Test On Starting Up For The First Time For The Vn301

    ASSEMBLY AND INSTALLATION 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 ...
  • Page 91 ASSEMBLY AND INSTALLATION 3. Each suction point is checked separately.  The smoke tube is installed and the function test is carried out as described in Section 9.1.4.  Section 9.1.4 Function test of the sensor units using smoke tube (8,000 hrs.) 4.

  • Page 92: Manufacturer Settings

    MANUFACTURER SETTINGS 7 Manufacturer settings ® 7.1 Parameter settings for the VISATRON VN301plus central unit ® plus plus The VISATRON VN301 / VN301 EX oil mist detection system has two available alarm thresholds. The main alarm threshold can be change using the software and the interface (USB port) on the central unit, as shown in the figure below.

  • Page 93: Establishing The Usb Connection Between The Vn301

    MANUFACTURER SETTINGS DANGER  You may only adjust the parameters of the central unit with the engine switched off. The compressed air supply to the oil mist detection system must also be switched off first. ®  Before starting to adjust parameters, the housing of the VISATRON plus plus VN301...
  • Page 94 MANUFACTURER SETTINGS NOTE ® plus Adjusting the parameters of the VISATRON VN301 central unit  Adjusting the parameters always only sets the parameters for the central unit that is connected. -> No distinction between master/slave  Sensitivity level 5 is the factory setting. The parameters are entered as per the parameter list below: Parameter set Input value...
  • Page 95 MANUFACTURER SETTINGS Finally, re-establish all electrical and pneumatic connections to the central unit.  ® plus Adjusting the parameters of the VISATRON VN301 central unit has been completed successfully! Operating manual  VISATRON® Oil Mist Detection System  VN301plus / VN301plus EX Part number 180072 ...

  • Page 96: 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 97: Operation Under Correct Conditions

    OPERATION AND USE  For further information, please see Section 10 of this manual. Section 10 Error diagnosis and troubleshooting 8.2 Operation under correct conditions plus The operating temperature of the VN301 EX sensor unit  System operating temperature: +5 °C to +70 °C The conditions in Section 3.4.4 must also be observed for safe and correct operation! ...

  • Page 98: Led Check

    OPERATION AND USE plus plus “Sensor Ready” status indicator on the VN301 / VN301 EX sensor unit 4: “System Ready” status indicator (central unit) 1: Sensor units 2: “Sensor Ready” key (central unit) 5: “Sensor sensitivity” status indicator 3: “Sensor Ready” status indicator 6: “Oil mist concentration”...

  • Page 99: Checking The Supply Pressure, Sensor Omc And Sensitivity

    OPERATION AND USE plus VN301 central unit: LED check (light test) 1: Confirmation button  1. Press the oil mist alarm confirmation button [ ] on the central unit display.  Then all the LEDs come on as a test and flash for 2 seconds. The previous status is then displayed again.

  • Page 100: Oil Mist Pre-Alarm" Status Indicator

    OPERATION AND USE 8.7 “Oil mist pre-alarm” status indicator When high relative oil mist concentrations are reached at a minimum of one sensor unit,  the LED bar display [ ] comes on or the LED display increases steadily. Example use case: At a relative oil mist concentration of 70%, the pre-alarm relay is activated and the pre- ...

  • Page 101: Vn301 Plus Central Unit: "Alarm" Status Indicator At 100% Omc (Example 1)

    OPERATION AND USE  The manufacturer recommends that only approach the engine again when the alarm threshold has dropped to 0% relative oil mist concentration.  If a Remote Indicator II is used for remote monitoring, it must be used to continuously check the current oil mist concentration.

  • Page 102: Confirming An Oil Mist Alarm

    OPERATION AND USE  • The “System ready” LED [ ] stays green. • If the opacity subsequently decreases, the alarm status is saved. Example use case 2:  In the figure below, the alarm was triggered by sensor 4 [ ] (flashing LED).

  • Page 103: Vn301 Plus Central Unit: Confirm The Oil Mist Alarm (Only < 70% Omc)

    OPERATION AND USE CAUTION Confirming an oil mist alarm  Only confirm the oil mist alarm using the confirmation button if you have previously made sure that there are no more high oil mist concentrations in the crankcase, or as soon as the concentration is below the alarm limit displayed (<70%).

  • Page 104: Vn301 Plus Central Unit: "Alarm" Status Indicator At 50% Omc (Example)

    OPERATION AND USE Example use case The figures below show the situation with reduced oil mist concentration (50%) before and after confirming the oil mist alarm by pressing the confirmation button.  plus central unit: “Alarm” status indicator at 50% OMC (example) VN301 1: Oil mist alarm confirmation button plus...

  • Page 105: 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 106: 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 107 MAINTENANCE AND REPAIR Description Interval quarterly or after 2,000 operating hours (whichever occurs first) Hours Or months Check the supply pressure setting on the central unit: ▪ Supply pressure < 2.25 bar ➔ Adjust supply pressure ▪ Supply pressure between 6.5.3 2.25 bar and 2.75 bar ➔...

  • Page 108: Cleaning The Measuring Track Area On The Sensor Unit (4,000 Hrs.)

    MAINTENANCE AND REPAIR 9.1.2 Cleaning the measuring track area on the sensor unit (4,000 hrs.) NOTE Cleaning and care of system components plus For cleaning system components of the VN301 oil mist detection system, the following optional products are recommended or supplied by the manufacturer: ...
  • Page 109 MAINTENANCE AND REPAIR When the above indicator is displayed for the first time, the sensor has a degree of contamination on the sensor measuring track area of approx. 80%. Experience has shown that there is sufficient time for intensive cleaning of the sensor before it fails completely (when the upper contamination limit (100%) is reached).
  • Page 110 MAINTENANCE AND REPAIR Bottom view Operating manual  VISATRON® Oil Mist Detection System  VN301plus / VN301plus EX Part number 180072  Version 2.1...

  • Page 111: Disassembly And Cleaning Of The Vn301

    MAINTENANCE AND REPAIR For single use only! measurement windows Bottom view plus plus Disassembly and cleaning of the VN301 / VN301 EX sensor unit (steps 1-5) 1: Holding bracket 3: M5 fixing screws (captive) 2: Sensor 4: Allen key, 4.0 mm 5: Cleaning buds from the cleaning kit 6: Cleaning kit After cleaning the sensor has been completed successfully, reassembly is carried out in...

  • Page 112: Assembly After Cleaning The Vn301

    MAINTENANCE AND REPAIR CLOSE OPEN CLICK CLOSE OPEN plus plus Assembly after cleaning the VN301 / VN301 EX sensor unit (steps 1-6)  The device is ready for operation! Operating manual  VISATRON® Oil Mist Detection System  VN301plus / VN301plus EX Part number 180072 ...

  • Page 113: 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 detection system ...

  • Page 114: Replacing The Air Filter Element On The Pressure Regulator Unit

    MAINTENANCE AND REPAIR Replacing the air filter element on the pressure regulator unit 3: Plastic disc 4: Air filter element The air filter element is replaced according to the following steps: plus 1: VN301 central unit 3: Plastic disc 2: Pressure regulator unit ...
  • Page 115 MAINTENANCE AND REPAIR plus 1: VN301 central unit 3: Plastic disc 2: Pressure regulator unit 4: Change the air filter element -> New! Tighten 3 hand-tight 3: Plastic disc 4: Air filter element NEW! Tighten 2 hand-tight Replacing the air filter element on the pressure regulator unit (steps 1-8) plus 1: VN301 central unit...

  • Page 116: Function Test Of The Sensor Units Using Smoke Tube (8,000 Hrs.)

    MAINTENANCE AND REPAIR NOTE Check supply pressure on the oil mist detection system  After completing step 7, the supply pressure on the VN301 plus central unit must be checked again and, if necessary, adjusted.  See Section 6.5.3  Section 6.5.3 Setting the supply pressure on the pressure regulator of the VN301plus central unit 9.1.4 Function test of the sensor units using smoke tube (8,000 hrs.) To ensure reliable operation of the VN301...
  • Page 117 MAINTENANCE AND REPAIR The function test is carried out according to the following steps: 1: Sensor 3: Allen key, AF size 5.0 mm 2: “Test mist inlet” screw plug 1: Sensor 3: Smoke tube with hand pump 2: Quick-release coupling Operating manual ...

  • Page 118: Function Test With Smoke Tube (Mist Test, Steps 1-4)

    MAINTENANCE AND REPAIR PUMP! 1: Sensor 3: Red LED flashes when function test is successful 2: Smoke tube with hand pump Function test with smoke tube (mist test, steps 1-4) After a successful function test, the sensor is returned to its initial state. To do this, repeat installation steps 1-2 in reverse order.

  • Page 119: Inspection Of The Oil Mist Detection System (16,000 Hrs. Or After 24 Months)

    MAINTENANCE AND REPAIR 9.2 Inspection of the oil mist detection system (16,000 hrs. 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. In this case, an inspection by a Schaller service partner is required after 16,000 ...

  • Page 120: Replacing The Vn301

    To replace the hybrid cable, carry out the steps in Section 6.4.2. Section 6.4.2 Electrical and pneumatic connection of the sensor unit 9.4 Repair by Schaller Automation If you oil mist detection system is defective or malfunctions, please contact Schaller Automation or an authorised service partner immediately.

  • Page 121: Error Diagnosis And Troubleshooting

    In most cases, the easiest way to do this is to replace the faulty sensor unit. Schaller Automation generally recommends that the operator keeps spare sensor units in storage at all times, as a minimum.
  • Page 122 ERROR DIAGNOSIS AND TROUBLESHOOTING plus central unit: Status of “System Ready” LED indicator VN301 1: “System ready” LED indicator However, if oil mist or an oil mist alarm is generated in the meantime, a limited function ® plus plus of the VISATRON VN301 / VN301 EX system is used to generate an oil mist...

  • Page 123: Defect On The Sensor Unit

    ERROR DIAGNOSIS AND TROUBLESHOOTING 10.1.1 Defect on the sensor unit WARNING Replacing a defective sensor unit 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 for working with the oil ...
  • Page 124 In the event of a device or component defect, the operator must correct the defect as quickly as possible. In most cases, the easiest way to do this is to replace the faulty sensor unit. Schaller Automation generally recommends that the operator keeps spare sensor units in storage at all times, as a minimum.

  • Page 125: Troubleshooting

    ERROR DIAGNOSIS AND TROUBLESHOOTING 10.2 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.  Section 12 Contact The error codes (on the display on the Remote Indicator II) and how to correct them are listed below in order of priority.
  • Page 126 ERROR DIAGNOSIS AND TROUBLESHOOTING Code/fault Indicator/possible causes Solution Green LED on the Section 10.1.1 applicable sensor Section 6.3.2, Section 6.4.2 09/ “Sensor and on the central electronics” unit is flashing at temperature regular intervals/ measurement is defective ▪ Sensor is not working 1.

  • Page 127: 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 128: 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 129: Vn301 Plus / Vn301 Plus Ex Spare Parts

    Using other parts may exclude liability for the consequences.  Only use original spare parts from Schaller Automation! 13.1 Spare parts list Overview of the positions of spare parts for the VISATRON ® VN301...

  • Page 130: Plus

    VN301PLUS / VN301PLUS EX SPARE PARTS Overview of the positions of spare parts for the VISATRON ® VN301 plus sensor unit plus 4: Service kit plug screw G1/4 (273138) plus 1: VN301 and VN301 EX sensor unit (153025, 153024, 153050, 153060, 153070, 5: Service kit O-ring (273137) 153080) 2: Service kit O-ring (273136)
  • Page 131 VN301PLUS / VN301PLUS EX SPARE PARTS Part Number Description plus Pressure reducer VN301 complete 273102 273114 Filter cartridge pressure reducing valve Water separator with filter element 273118 273119 Filter cartridge for water separator plus Central unit VN301 REPLACEMENT • Without steel cover •...
  • Page 132 VN301PLUS / VN301PLUS EX SPARE PARTS Part Number Description plus Sensor VN301 EX vertical REPLACEMENT: • Sensor packed in an individual shipping box • Manual on CD 153050 plus Sensor VN301 EX horizontal REPLACEMENT: • Sensor packed in an individual shipping box •...
  • Page 133 VN301PLUS / VN301PLUS EX SPARE PARTS Part Number Description Spare part kit 2 (Cleaning kit) 151482 – 2 m plus Hybrid cable VN301 273202 – 4 m plus Hybrid cable VN301 273204 – 6 m plus Hybrid cable VN301 273206 –...
  • Page 134 VN301PLUS / VN301PLUS EX SPARE PARTS Part Number Description – 30 m plus Hybrid cable VN301 273230 Operating manual  VISATRON® Oil Mist Detection System  VN301plus / VN301plus EX Part number 180072  Version 2.1...

  • Page 135: Accessories Vn301 Plus / Vn301 Plus 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 136: List Of Figures

    LIST OF FIGURES 15 List of figures ® plus Name plate, VISATRON VN301 central unit.............. 22 ® plus Name plate, VISATRON VN301 central unit.............. 23 ® plus End cover with serial number on the VISATRON VN301 sensor unit ....... 23 ®...
  • Page 137 LIST OF FIGURES plus VN301 central unit; establish compressed air connection (sensors 1-10) ....71 Assembly and installation complete (steps 1-7; example with 6 hybrid hoses) ....72 plus VN301 central unit: Overview; configuration of the wire break resistors ....73 plus VN301 central unit: Insert wire break resistors (installation steps 1-3) .......

  • Page 138: 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 plus plus Table 4: VN301 / VN301 EX sensor unit ................

  • Page 139: Glossary

    GLOSSARY 17 Glossary Term Description Oil mist detection system, designed to protect large engines plus plus VN301 /VN301 (gas, diesel and dual fuel) Provides the functionality of the oil mist detection system and Central unit is used to adjust parameters of measured variables Designed to suck in and detect the oil mist atmosphere from Sensor unit, non-EX/EX the crankcase...

  • Page 140: 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 141 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 142: Attachments

    EX sensor unit Why is the sensor unit faulty? If your sensor unit 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 143 ATTACHMENTS • Condition of the sensor unit ☐ ☐ Sensor unit mechanically damaged Not functioning when operated ☐ ☐ • Is suction at the sensor unit is working correctly? ☐ ☐ • Is the condition of the hybrid cable OK? ☐...
  • Page 144 ATTACHMENTS If yes, please proceed as follows: 1. Disconnect the hybrid connector from the applicable sensor unit  Section 9.3.2 Replacing the VN301plus / VN301plus EX sensor unit ☐ ☐ Check whether there is no compressed air at the hybrid connector. Yes If no, is there too little compressed air? ☐...

  • Page 145: Description Of Error On The Vn301

    Why is the central unit faulty? If your central unit 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 central unit (complete or just the bottom half or the cover with display).
  • Page 146 ATTACHMENTS Please enter your data for product identification: Serial number: (Label on left side of housing)  Central unit installed on: ☐ ☐ Main machine Auxiliary machine/power unit Engine manufacturer:______________________________ Engine type:_____________________________________ Condition of the central unit ☐ ☐ Central unit mechanically damaged ☐...
  • Page 147 ATTACHMENTS If no, is there too little compressed air? ☐ ☐ (compared to neighbouring sensors) Is the green LED on the relevant sensor flashing at ☐ ☐ regular intervals? 2. Connect the hybrid connector to the relevant sensor unit  Section 9.3.2 Replacing the VN301plus / VN301plus EX sensor unit 3.

  • Page 148: Notes

    NOTES 20 Notes Notes Operating manual  VISATRON® Oil Mist Detection System  VN301plus / VN301plus EX Part number 180072  Version 2.1...

  • Page 149: Index

    INDEX 21 Index Accessories ........135 Notation and symbols ......8 Adjusting the parameters ......93 Operating manual ........8 Alarm ..........101 Operating modes ........35 Alarm thresholds ........92 Operating the product ......96 Assembly ..........47 Operation ..........96 Central unit ...........39 Parameter list ........

  • Page 150: Customer Information

    CUSTOMER INFORMATION 22 Customer information Operating manual  VISATRON® Oil Mist Detection System  VN301plus / VN301plus EX Part number 180072  Version 2.1...

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