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JOHNSON CONTROLS

FORM 160.84-OM1

ISSUE DATE: 9/21/2017

TABLE OF CONTENTS

SECTION 1 - SYSTEM FUNDAMENTALS ............................................................................................................. 11

System Components ...................................................................................................................................... 11

System Operation Description ........................................................................................................................15

SECTION 2 - SYSTEM OPERATING PROCEDURES ........................................................................................... 19

Pre-Starting ....................................................................................................................................................19

Condenser Water Temperature Control ..........................................................................................................19

Start-Up ..........................................................................................................................................................19

Chiller Operation ............................................................................................................................................20

Chilled Liquid Control Settings .......................................................................................................................20

Operator Setpoints Quick Reference .............................................................................................................21

Stopping The System .....................................................................................................................................21

Safety Stop ..................................................................................................................................................... 22

Operating Logs ............................................................................................................................................... 22

Fault Shutdowns .............................................................................................................................................22

Prolonged Shutdown ......................................................................................................................................23

Restart After Prolonged Shutdown .................................................................................................................23

SECTION 3 - OPTIVIEW™ CONTROL CENTER FUNCTIONS AND NAVIGATION ............................................. 27

Interface Conventions ....................................................................................................................................27

Analog Input Ranges ...................................................................................................................................... 29

Master Slot Numbers List For Use With Trend Feature .................................................................................85

Display Messages ..........................................................................................................................................88

SECTION 4 - VSD OPERATION ........................................................................................................................... 111

Optispeed Compressor Drive Overview ...................................................................................................... 111

Optispeed Compressor Drive Features ....................................................................................................... 111

Optispeed Compressor Drive Details (0490 and 0774 amp drives) ............................................................. 112

Optispeed Compressor Drive Details (0490a, 0612a 0730A and 1278a amp drives) .................................. 113

Optispeed Compressor Drive and Chiller Operation (0490 and 0774 amp models) ....................................120

Optispeed Compressor Drive and Chiller Operation (0490a, 0612a, 0730A and 1278a amp models) .......121

SECTION 5 - MAINTENANCE ..............................................................................................................................123

Preventative Maintenance ............................................................................................................................ 123

Renewal Parts ..............................................................................................................................................124

Operating Inspections ..................................................................................................................................124

Checking System For Leaks ........................................................................................................................124

Conduct Pressure Test .................................................................................................................................124

System Evacuation .......................................................................................................................................125

Vacuum Dehydration ....................................................................................................................................125

Conduct Pressure Test .................................................................................................................................128

Refrigerant Charging ....................................................................................................................................128

Checking The Refrigerant Charge ................................................................................................................ 128

Handling Refrigerant For Dismantling And Repairs ......................................................................................129

Compressor And Motor ................................................................................................................................129

Condensers And Evaporators ......................................................................................................................129

Electrical Controls ........................................................................................................................................131

Automatic Battery Health Test – During Shutdown.......................................................................................132