Screw Compressor Central Chillers
Chapter 1: Safety
iii
Table of Contents
CHAPTER 1: SAFETY ...............................................................VI
1-1
How to Use This Manual ............................................................................................ vi
Safety Symbols Used in this Manual.................................................................... vi
1-2
Warnings and Precautions .........................................................................................vii
1-3
Responsibility ............................................................................................................viii
General Responsibility.........................................................................................viii
Operator Responsibility ........................................................................................ ix
Maintenance Responsibility................................................................................... x
Reporting a Safety Defect ..................................................................................... x
CHAPTER 2: FUNCTIONAL DESCRIPTION............................ 11
2-1
Models Covered in This Manual................................................................................ 11
2-2
General Description................................................................................................... 11
2-3
Standard Features..................................................................................................... 11
Mechanical Features ...........................................................................................11
Electrical Features...............................................................................................12
Controller Features..............................................................................................12
Standard Features on Remote Condensers........................................................12
2-4
Options ...................................................................................................................... 13
2-5
Safety Devices and Interlocks ................................................................................... 13
CHAPTER 3: INSTALLATION .................................................. 15
3-1
Uncrating the Equipment........................................................................................... 15
3-2
Rigging and Placing the Chiller ................................................................................. 15
3-3
Making Electrical Connections .................................................................................. 16
3-4
Setup Procedures...................................................................................................... 17
Piping Considerations .........................................................................................17
Making Process Water Connections ...................................................................18
Making Tank Piping Connections........................................................................19
Water Connection Sizing Considerations ............................................................21
Galvanic Corrosion Considerations .....................................................................21
Water Treatment Considerations.........................................................................21
Making Water-Cooled Condenser Connections ..................................................21
Installing the Remote Air-Cooled Central Chiller Condensers.............................23
Checking Motor Direction ....................................................................................28
Changing fan rotation direction............................................................................28
3-5
Initial Start-up ............................................................................................................ 28
Pre-Startup Checks .............................................................................................28
Determining Chilled Water Flow Rate .................................................................32
CHAPTER 4: OPERATION ....................................................... 33
4-1
Start-up...................................................................................................................... 33
Water & Remote Air-Cooled Central Chiller Startup............................................33
4-2
Controller Description................................................................................................ 34
