Eaton Crouse-Hinds MTL Z1920C Instruction Manual

Oxygen combustion analyser

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Instruction manual
MTL gas analysers & systems
Z1920C
MTL Oxygen combustion analyser
February 2017
INM MTL 130-0175 Rev 4

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Summary of Contents for Eaton Crouse-Hinds MTL Z1920C

  • Page 1 Instruction manual February 2017 MTL gas analysers & systems INM MTL 130-0175 Rev 4 Z1920C MTL Oxygen combustion analyser...
  • Page 2 DECLARATION OF CONFORMITY A printed version of the Declaration of Conformity has been provided separately within the original shipment of goods. However, you can find a copy of the latest version at - http://www.mtl-inst.com/certificates INM MTL 130-0175 Rev 4...
  • Page 3: Table Of Contents

    CONTENTS DECLARATION OF CONFORMITY ............ii INTRODUCTION .
  • Page 4 THIS PAGE IS LEFT INTENTIONALLY BLANK INM MTL 130-0175 Rev 4...
  • Page 5: Introduction

    INTRODUCTION NOTE “Normal” as used to describe the process and instrument throughout this manual and on instrument data labels, assumes the following conditions: Oxygen concentration in the sample is within the range of the instrument; Catalyst Temperature is within the appropriate limits;...
  • Page 6: Information

    Information Waste Electrical and Electronic Equipment directive (WEEE) 2002/96/EC (RoHS) directive 2002/95/EC WARNING This equipment must only be used in accordance with the manufacturer’s specification, instructions for installation, use and maintenance to ensure that the protection of the operator is not impaired. It is the responsibility of the installer to ensure the safety and EMC compliance of any particular installation.
  • Page 7: Installation

    INSTALLATION Unpacking and Visual checking Take all normal precautions when opening the packages. In particular, avoid the use of long bladed cutters. Check that all pipe connections have compression nuts and olives intact. Search packing if any are missing. Check for any sign of damage. Carefully remove any internal packing material.
  • Page 8 Diagram 2: Mounting details of catalytic reactor/sensor heater and heat shield INM MTL 130-0175 Rev 4...
  • Page 9: Electronic Unit Connections

    Electronic unit connections Set A.C. supply voltage here before 120-0645/1 Fuse Type ‘T’ 1.6A 20mm x 5mmØ applying power to Mains Connector (Re-wirable plug A.C. A.C. supplied) Via cable glands in enclosure The following points should be observed for the wiring between the sensor/reactor unit and the control/display electronics.
  • Page 10: Operation

    OPERATION First Checks With the sensor and electronic unit connected up to each other and electrical supplies, the instrument is ready for use. Ensure that all the connections are correct and that the actual supply voltage is the same as that set at the voltage selector. Check all piping connections for tightness.
  • Page 11: Programming

    Slowly open the flow valve beneath the flow meter until a flow of between 150 and 250 ml/min is flowing. WARNING To avoid serious and dangerous damage to the catalyst and sensor the sample flow must not exceed 250ml/min (0.5cuft/hr). The instrument will respond within a few seconds to show the oxygen concentration.
  • Page 12 ALARM 1 - Mode The symbol displayed in the “x” position indicates the mode of the alarm as follows; 0 - Alarm off; H - High; L - Low. Press the arrow buttons to change the mode and press the Edit button once to store the setting.
  • Page 13: Maintennace

    MAINTENANCE NOTE The internals of the sensor unit operate at elevated temperatures. Take great care when working on an analyser that has power applied or has only recently been turned off. General 5.1.1 Electronics The electronics unit is virtually maintenance free. Faults in modern electronics equipment normally show up in the first six months of continuous operation.
  • Page 14: Fault Finding And Servicing

    FAULT FINDING AND SERVICING WARNING The internals of the sensor unit operate at elevated temperatures. Take great care when working on an analyser that has power applied or has only recently been turned off. NOTE For those instruments supplied as separate electronics and sensor units, to be inter-wired on site, always check the interconnecting wiring first.
  • Page 15: Checking The Temperature Controller And Heater Circuitof The Oxygen Sensor

    Checking the Temperature Controller and Heater Circuit of the Oxygen Sensor Switch the analyser off and allow the sensor to cool down. Using a multi-meter set to read resistance check that the resistance across terminals 3 and 5 (the thermocouple) is between 1 and 6 .
  • Page 16 MTL Instruments GmbH, Heinrich-Hertz-Str. 12, 50170 Kerpen, Germany UNITED ARAB EMIRATES Cooper Industries/Eaton Corporation Tel: +49 (0)22 73 98 12 - 0 Fax: +49 (0)22 73 98 12 - 2 00 Office 205/206, 2nd Floor SJ Towers, off. Old Airport Road, E-mail: csckerpen@eaton.com...

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