2
YORK INTERNATIONAL
TABLE OF CONTENTS
General Safety Guidelines ...................................................................................................................... 6
Safety Symbols ........................................................................................................................................ 6
Changeability of this Document ............................................................................................................. 7
Nomenclature ......................................................................................................................................... 7
SECTION 1 GENERAL CHILLER INFORMATION & SAFETY
Introduction ......................................................................................................................................... 8
Warranty ......................................................................................................................................... 8
Safety ......................................................................................................................................... 8
Responsibility for Safety ......................................................................................................................... 8
About this Manual.................................................................................................................................... 8
Misuse of Equipment .............................................................................................................................. 8
Emergency Shutdown........................................................................................................................... 10
Material Safety Data ...............................................................................................................................11
SECTION 2 PRODUCT DESCRIPTION
Introduction ....................................................................................................................................... 14
General Description.............................................................................................................................. 14
Motor Starting ....................................................................................................................................... 24
Keypad Controls .................................................................................................................................... 24
Accessories and Options ..................................................................................................................... 25
DX Cooler Options ................................................................................................................................ 26
Unit Enclosures..................................................................................................................................... 26
Fans ....................................................................................................................................... 26
Sound Reduction Options .................................................................................................................... 26
Vibration Isolation ................................................................................................................................. 26
Unit Nomenclature – Nameplate Engineering Data ........................................................................... 27
SECTION 3 HANDLING AND STORAGE
Delivery and Storage ............................................................................................................................. 28
Inspection ....................................................................................................................................... 28
Moving the Chiller.................................................................................................................................. 28
SECTION 4 INSTALLATION
Location Requirements ........................................................................................................................ 29
Outdoor Installations ............................................................................................................................ 29
Indoor Installations ............................................................................................................................... 29
Location Clearances ............................................................................................................................ 29
Installation of Vibration Isolators .......................................................................................................... 30
Shipping Braces.................................................................................................................................... 30
Pipework Connection............................................................................................................................ 30
Water Treatment .................................................................................................................................... 31
Pipework Arrangement ......................................................................................................................... 31
Connection Types & Sizes .................................................................................................................... 32
Cooler Connections.............................................................................................................................. 32
Refrigerant Relief Valve Piping ............................................................................................................. 32
Ductwork Connection............................................................................................................................ 32
Electrical Connection ............................................................................................................................ 33
Power Wiring ....................................................................................................................................... 33
Power and Control Panel Layouts ....................................................................................................... 35
SECTION 5 COMMISSIONING
Preparation ....................................................................................................................................... 37
Preparation - Power Off......................................................................................................................... 37
First Time Start-up ................................................................................................................................ 39
SECTION 6 OPERATION
General Description.............................................................................................................................. 40
Start-up ....................................................................................................................................... 40
Normal Running and Cycling ............................................................................................................... 40
Shutdown ....................................................................................................................................... 40