Table Of Contents - LG RCAW Operation & Maintenance Manual

Air cooled Screw Operation & Maintenance Manual

TABLE OF CONTENTS

SAFETY CONSIDERATIONS
Warning...................................................................................................................................3
Caution....................................................................................................................................7
GENERAL
Manipulation of HMI Unit.......................................................................................................11
CONTROLS
PLC and HMI Unit .................................................................................................................21
Machine on/off control...........................................................................................................30
START-UP
Pre Start-up ..........................................................................................................................31
Start-up Procedure................................................................................................................32
Operation Limits ....................................................................................................................34
OPERATION
Sequence of Operation .........................................................................................................37
Sensors .................................................................................................................................42
SERVICE
Cycle Components................................................................................................................43
Control System .....................................................................................................................56
Maintenance .........................................................................................................................67
TROUBLE SHOOTING ............................................................................................................68
APPENDIX
Wiring Diagram .....................................................................................................................76
Cycle Diagram.......................................................................................................................77
Check List .............................................................................................................................78
2 Chiller Air-cooled Screw