M&C CG Series User Manual

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Gas Converter CG

®

CG-2/-2M, CG-2H-W/-2MH-W

Instruction Manual

Version 1.04.00

Table of Contents

Questions and Answers:

L
lewisdonaldAug 2, 2025
Why is my M&C CG not heating up?
- K
  Kristin DanielAug 2, 2025
  If the M&C Media Converter isn't heating up and LED K1 is off, the heater might be defective, requiring replacement. Alternatively, the temperature controller could be faulty; in this case, measure the voltage at terminal X4/6 and 7. If the voltage is less than 8 V DC, check the controller according to the operating instructions. If it's more than 8 V DC, replace the solid-state relay. A sensor short circuit could also be the cause, so consider changing the sensor. Finally, the solid-state relay itself might be defective and need replacement.
E
Erica GuzmanAug 18, 2025
What to do if there is no sample gas flow in M&C CG Media Converter?
- J
  Jonathan CampbellAug 18, 2025
  If there's no sample gas flow in your M&C Media Converter, the gas sample lines might be blocked or leaking. Check the gas sample lines and ensure they are gas-tight.

M&C CG Series Specifications

General

Fiber Type	Single-mode or Multi-mode
Data Rate	10/100/1000Mbps
Connector Type	SC, ST, FC
Power Supply	5V DC
Interface	RJ45, Fiber
Wavelength	850nm, 1310nm, 1550nm
Storage Temperature	-40°C to 85°C
Humidity	5% to 95% (non-condensing)

Summary

General Information and Compliance

EU Declaration of Conformity

Document compliance with EU directives and standards for electromagnetic compatibility and low voltage.

Safety Instructions and Warranty

Warranty Terms

Details the 12-month warranty period, coverage, and repair/replacement procedures.

Signal Indications and Terminology

Introduction

Application Overview

Converter Version Comparison

Table summarizing different CG converter versions and their features like plug-in, wall mounting, and bypass.

Catalytic Conversion Principle

Catalyst Material Selection

Catalyst Temperature Selection

Interfering Gas Influences

Technical Specifications

Device Description

CG-2 and CG-2M Dimensional Data

Shows dimensional drawings and component identification for CG-2 and CG-2M models.

CG-2H-W and CG-2MH-W Dimensional Data

Displays dimensional drawings and component identification for CG-2H-W and CG-2MH-W models.

Unit Mounting and Components

Bypass Switch Operation

Explains the function and operation of the bypass selector switch on CG-2M/-2MH-W versions.

Receiving and Storage

Installation Guide

Gas Supply Connections

Gas Line Connection

Details how to connect gas inlet and outlet hoses/tubes, including proper fitting and tightening procedures.

Electrical Connections and Signals

Sub-D Plug Pinout

Illustrates the pin configuration of the 9-pin sub-D plug for alarms and external control signals.

Initial Startup Procedure

Shutdown Procedure

Catalyst Lifespan Determination

Efficiency Testing

PPM to MG/M3 Conversion

Maintenance

Catalyst Cartridge Replacement

Step-by-step guide for safely replacing the catalyst cartridge without tools.

O-Ring Seal Replacement

Gas-Tightness Verification

Temperature Controller Operation

Controller Display and Keys

Identifies the display elements and function keys on the temperature controller.

Controller Status Indicators

Explains the meaning of the operating states indicated by LEDs on the controller.

Adjusting Temperature Regulator Settings

Temperature Controller Reset

Troubleshooting Common Issues

Spare Part List

Appendix

Related product manuals