General Safety Guidelines ...................................................................................................................... 6
Safety Symbols ........................................................................................................................................ 6
1
......................................................................................................................................... 8
......................................................................................................................................... 8
......................................................................................................................................... 8
Responsibility for Safety ......................................................................................................................... 8
About this Manual .................................................................................................................................... 9
Misuse of Equipment .............................................................................................................................. 9
Emergency Shutdown ........................................................................................................................... 10
Material Safety Data ............................................................................................................................... 11
2
....................................................................................................................................... 15
General Description ............................................................................................................................... 15
....................................................................................................................................... 15
Evaporator (Cooler) ............................................................................................................................... 16
....................................................................................................................................... 17
Power and Control Panels ..................................................................................................................... 17
Microprocessor Controls ....................................................................................................................... 17
Motor Current Protection ....................................................................................................................... 18
Motor Protection Module ....................................................................................................................... 18
Current Overload ................................................................................................................................... 19
Thermal Overload .................................................................................................................................. 19
Keypad Controls .................................................................................................................................... 22
Accessories and Options ....................................................................................................................... 22
Part-Wind Compressor Start ................................................................................................................. 23
DX Cooler Options ................................................................................................................................. 23
Unit Enclosure Options .......................................................................................................................... 24
High Static Fan Option .......................................................................................................................... 24
Sound Reduction Options ..................................................................................................................... 24
Hot Gas Bypass ..................................................................................................................................... 24
Vibration Isolation Options .................................................................................................................... 24
3
Delivery and Storage ............................................................................................................................. 27
....................................................................................................................................... 27
Moving the Chiller .................................................................................................................................. 27
4
Location Requirements ......................................................................................................................... 29
Outdoor Installations ............................................................................................................................. 29
Indoor Installations ................................................................................................................................ 29
Location Clearances .............................................................................................................................. 30
Shipping Braces .................................................................................................................................... 30
Pipework Connection ............................................................................................................................. 30
Water Treatment .................................................................................................................................... 31
Pipework Arrangement .......................................................................................................................... 32
Connection Types and Sizes ................................................................................................................. 32
Cooler Connections ............................................................................................................................... 32
Ductwork Connection ............................................................................................................................ 33
Electrical Connection ............................................................................................................................. 33
Power Wiring ....................................................................................................................................... 33
2
TABLE OF CONTENTS
FORM 150.52-NM2 (1001)
YORK INTERNATIONAL