Eaton Crouse-Hinds MTL Z1920C - Default Chapter; Table of Contents

INM MTL 130-0175 Rev 4
iii
CONTENTS
DECLARATION OF CONFORMITY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ii
1 INTRODUCTION ....................................................................1
1.1 Applications ..............................................................................1
1.2 General Description ........................................................................1
1.3 Manual symbols ...........................................................................1
1.4 Information ...............................................................................2
2 SPECIFICATION .....................................................................2
2.1 Materials .................................................................................2
2.2 Ambient Temperature .......................................................................2
2.3 Display ...................................................................................2
2.4 Display ranges ............................................................................2
2.5 Analogue outputs - isolated ..................................................................2
2.6 Alarm outputs .............................................................................2
2.7 Accuracy .................................................................................2
2.8 Speed of Response .........................................................................2
2.9 Power Requirements .......................................................................2
2.10 Dimensions ...............................................................................2
3 INSTALLATION .....................................................................3
3.1 Unpacking and visual checking ...............................................................3
3.2 Siting ....................................................................................3
3.2.1 Electronics ............................................................................3
3.2.2 Catalytic Reactor and Sensor unit .........................................................3
3.3 Electronic unit connections ..................................................................5
4 OPERATION ........................................................................6
4.1 First Checks ...............................................................................6
4.2 Start-up ..................................................................................6
4.3 Calibration check ..........................................................................6
4.4 Commisioning ............................................................................6
4.5 Programming .............................................................................7
5 MAINTENNACE ....................................................................9
5.1 General ..................................................................................9
5.1.1 Electronics ............................................................................9
5.1.2 Sensor Unit ............................................................................9
5.1.3 Catalytic Combustion Unit ...............................................................9
6 FAULT FINDING AND SERVICING .....................................................10
6.1 Error ‘HELP’ Messages .....................................................................10
6.2 Oxygen Sensor Resistance Checking .........................................................10
6.3 Checking the Temperature Controller and Heater Circuitof the Oxygen Sensor ......................11
6.4 Checking the Temperature Controller and Heater Circuit of the Catalytic Reactor .....................11
6.5 Sensor Removal and Replacement ...........................................................11
6.6 Catalytic Reactor/Sensor Heater .............................................................11
6.7 Spares & Service .........................................................................11