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Witt MG 50-2ME User Manual

Witt MG 50-2ME
27 pages
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ļ›™ Copyright WITT-GASETECHNIK GmbH & Co KG, 2016, all rights reserved
Instruction Manual for
WITT Gas Mixer
MG 50,100,200-2ME
MG 50,100,200-2ME PvDu
MG 50,100,200-2ME GB
Issue: 29.04.2016
This issue is not subject to change management
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Witt MG 50-2ME Specifications

General IconGeneral
BrandWitt
ModelMG 50-2ME
CategoryMixer
LanguageEnglish

Summary

2 Notes on this manual

2.1 What does this manual contain?

Outlines the content covered in the instruction manual for the gas mixer.

2.2 Structure of the manual

Explains the subdivision of the manual into different sections for clarity.

2.3 Rights to this manual

Details the copyright and usage restrictions for the manual content.

2.4 What symbols are used?

Explains the meaning of various symbols used throughout the manual for safety and guidance.

2.5 Terms (in alphabetical order)

Provides definitions for key terms necessary to understand the manual's technical content.

3 Safety instructions and precautionary measures

3.1 General safety instructions

Covers essential safety guidelines and precautions for operating the gas mixer safely.

3.2 Gas mixer with oxygen

Specific safety regulations and precautions when handling oxygen as a supply gas.

3.3 Liability

Outlines the liability of the owner and manufacturer regarding unit operation and misuse.

4 Description

4.1 Types

Details the different types within the MG series and their specifications based on model numbers.

4.2 Applications for the gas mixer

Describes the intended uses and application areas suitable for the gas mixer.

4.3 Functional description of the gas mixer

Explains the operational principles and components of the gas mixer.

4.3.1 Technical data on the gas mixer

References enclosed technical data sheets for detailed gas mixer specifications.

4.4 Function of the alarm module

Details the functionality and operation of the integrated alarm module for monitoring.

4.4.1 Technical data on the alarm module

Provides technical specifications including power, temperature, and ratings for the alarm module.

4.4.2 The terminal strip (rear)

Describes the connections and layout of the terminal strip located on the rear of the unit.

5 Setting up and installation

5.1 Checking for transport damage

Instructions for inspecting the unit for external damage and cable integrity after transport.

5.2 Place for setting up

Guidance on selecting an appropriate and safe location for the gas mixer installation.

5.3 Safety instructions for installation

Critical safety guidelines to follow prior to and during the installation process.

5.4 Installation of the pipes

Detailed steps and safety considerations for correctly installing gas supply and outlet pipes.

5.5 Electrical installation

Procedures and safety notes for performing the electrical setup according to standards.

5.5.1 Connection of the floating contacts

Specific instructions for connecting floating contacts to the alarm relay connections.

6 Commissioning and operation

6.1 Safety instructions for commissioning and operation

Essential safety precautions to be observed during commissioning and normal operation.

6.2 Commissioning the gas mixer

Step-by-step guide for the initial setup and activation of the gas mixer.

6.3 Operating the gas mixer

How to operate the gas mixer and adjust settings like mixture ratio during use.

6.3.1 Setting the mixing valve (24) on models MG200

Specific instructions for setting the proportional mixing valve on MG200 models.

6.4 The alarm module

Explanation of the alarm module's functions, indicators, and how it signals alarms.

6.4.1 Buttons and displays

Description of the buttons, LEDs, and LCD display on the alarm module's interface.

6.4.2 Inlet pressure monitoring alarm

Details how the inlet pressure monitoring alarm functions and is indicated.

6.5 Malfunctions and rectification

Provides a troubleshooting guide for common issues and their recommended solutions.

6.5.1 Malfunction table

A table listing malfunctions, their causes, and specific remedies for resolution.

6.6 Taking out of operation

Procedures for safely shutting down and taking the gas mixer out of service for extended periods.

6.7 Short interruption in work

Instructions for safely handling short periods of inactivity or temporary shutdown.

7 Servicing and maintenance

7.1 Safety instructions for servicing and maintenance

Safety precautions to be observed during all servicing and maintenance tasks.

7.3 Checks and servicing tasks

Recommended regular checks and maintenance procedures to ensure proper function.

7.4 Checking inlet filters for blockages

Guide on how to inspect and clean inlet filters for blockages.

7.4.1 Plug filters (for version MG 50, MG 100, MG 200)

Specific instructions for checking plug filters on MG 50, 100, and 200 models.

7.4.2 Screwed filters (for version MG 200, MG 500)

Specific instructions for checking screwed filters on MG 200 and 500 models.

7.5 Functional check on the electrical equipment

How to perform functional checks on electrical components like pressure switches and alarm modules.

7.6 Setting the receiver pressure

Instructions on how to set the receiver pressure for the unit based on component type.

7.7 Reset of the temperature monitor for the mixed gas temperature (optional)

Procedures for resetting the optional temperature monitor for mixed gas temperature.

8 Concise instructions on operation

8.1 Switching on

A brief guide on the steps required to switch on the gas mixer.

8.2 Switching off

A brief guide on the steps required to switch off the gas mixer.

9 Appendices

Appendices Overview

Lists supplementary technical data, parts lists, drawings, and other related documents.

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