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Faudi AFGUARD User Manual

Faudi AFGUARD
41 pages
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Version 2.6
Operating instructions
AFGUARD
®
Zone 0 and Zone 1
Page: 1
of: 41
FAUDI Aviation GmbH, Scharnhorststraße 7 B, D-35260 Stadtallendorf
BA_AFGUARD_Ex_rev2.6_Englisch_l
ogo
Electronic Water Sensor (EWS) for the measurement of free
water in Jet Fuel
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Faudi AFGUARD Specifications

General IconGeneral
BrandFaudi
ModelAFGUARD
CategoryMeasuring Instruments
LanguageEnglish

Summary

Safety Instructions

Designated Use

Specifies the intended purpose and applications of the AFGUARD® sensor for measuring free water in Jet Fuel.

Installation, Commissioning and Operation

Outlines the requirements for installation, commissioning, and operation by trained technical personnel.

Operational Safety

Details the user's responsibility for complying with safety conditions and standards for the sensor.

Return

Provides instructions for returning the device for repair, including cleaning and documentation.

Degree of Protection (IP-Code)

Explains the IP67 protection and the importance of using the correct cable for its maintenance.

Identification

Product Structure

Describes the product structure and the permanently engraved identification markings on the AFGUARD®.

Nameplate

Details the importance of the nameplate's legibility and the information it provides for the AFGUARD®.

Installation and Dismantling

Incoming Acceptance, Transport, and Storage

Instructions for checking the delivery, handling packaging, and storing the AFGUARD® sensor upon receipt.

Installation Conditions

Provides dimensions and mounting position requirements for the AFGUARD® sensor installation.

Dimensions

Specifies the physical dimensions of the AFGUARD® sensor for installation planning.

Mounting Position

Details the recommended horizontal mounting position and space requirements for the AFGUARD®.

Thread for AFGUARD Installation

Explains the use of special threads for AFGUARD® installation and the importance of using approved parts.

Installation Location

Guidance on selecting a suitable installation location for easy access and vibration-free mounting.

AFGUARD Orientation in the Pipe Section

Recommends specific AFGUARD® orientations in the pipe section for accurate droplet size detection.

Measuring System

Outlines the components required for a complete measuring system, including the sensor and converter.

Isolating Converter with Transmitter Supply for Signal Output 4 to 20 mA (inherent safe)

Details the use of inherently safe isolating converters for signal output in hazardous areas.

Proof of Intrinsic Safety for the Interconnection of Simple Electrical Circuitry Ex i

Explains how to ensure intrinsic safety when combining AFGUARD® with isolating converters.

Installing a Measuring Point

Provides minimum directives for installing the optical sensor, emphasizing careful handling and torque.

Installation Examples

Demonstrates the steps and considerations for installing the AFGUARD® sensor into a pipe section.

Check of Correct Assembly

Lists key checks to ensure correct mounting position, torque, and cable arrangement after installation.

Dismantling

Outlines the steps to safely dismantle the AFGUARD® sensor, reversing installation procedures.

Cabling

Direct Connection to Isolated Converter with Power Supply

Details the recommended wiring method for connecting the AFGUARD® to an isolated converter.

Operation

Mode of Operation

Describes the principle of operation, explaining how the sensor detects free water using IR light.

Signal Output

Explains the 4-20 mA signal output and its interpretation for different states like self-check or water slug.

Calibration

Recommends calibration checks and specifies the factory calibration range for the AFGUARD®.

Commissioning

Check of Installation and Function

Provides a procedure to check the installation and functionality by connecting a current meter.

Loop Check

Maintenance

Cleaning of the AFGUARD®

Provides guidance on cleaning the sensor's optical surfaces to maintain performance.

Recertification and Recalibration of AFGUARD®

Firmware on AFGUARD®

Details the firmware requirements and how to check the current version for compliance.

Accessories

CCS (Contamination Control System)

Describes the CCS for processing contamination data, relaying alarms, and logging data.

Barrier 1 Channel

Details the 1-channel Ex barrier for signal transmission between hazardous and safe areas.

Blue LED Warning Light

An indicator light for warning and alarm situations related to critical free water levels.

AFGUARD® Loop Tester

A device for periodically testing the AFGUARD® installation loop according to JIG requirements.

AFGUARD® Torque Spanner

A specialized tool for correctly applying the recommended torque of 50 Nm during sensor installation.

External Key Switch

An accessory for resetting alarm levels on the Contamination Control System.

Installation Accessories

Includes optional items like torque wrenches, welding sleeves, and spare gaskets for installation.

Trouble-shooting

Trouble-shooting Instructions

Refers users to Chapter 14 for detailed troubleshooting guidance on issues and solutions.

Sensor Checks

Provides a caution and indicates that only authorized personnel should perform sensor checks.

Spare Parts

Lists available spare parts such as sealing, cable, hard case, and protection sleeve.

Return

Instructions for returning the device for repair, emphasizing cleaning and the Declaration of Decontamination.

Disposal

Guidance on disposing of electronic components in accordance with local regulations.

Technical Data

Input

Specifies the measured values and the measuring range for the AFGUARD® sensor.

Ambient Conditions

Lists the operating and storage temperature, humidity, and ingress protection rating.

Performance and Parameter

Details electrical parameters for the supply circuit and optical radiation specifications.

Process Conditions

Specifies operating pressure, process temperature, and process medium compatibility.

Layout

Provides information on design, dimensions, weight, and hazardous area approval.

Reliability Prediction

Presents reliability data, including MTTF (Mean Time To Failure) calculations.

FMEA

References the availability of the Failure Mode and Effects Analysis (FMEA) report.

EC-Type Examination Certificate (Original)

EC-Type Examination Certificate (Translation)

Provides an English translation of the EC-Type Examination Certificate for the AFGUARD® sensor.

PESO Certificate for India

Documents the approval of the AFGUARD® for use in Zone 1 hazardous areas in India by PESO.

EG-Konformitätserklärung – EC Declaration of Conformity

Indicates that the EC Declaration of Conformity is available upon request.

Issues and Solutions

Declaration of Decontamination

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