York YCWS0313SC, Installation, Operation And Maintenance Manual, Page: 2 / 104

YORK INTERNATIONAL
2
SECTION 1 SUPPLIER INFORMATION
Introduction ............................................................ 6
Warranty ................................................................. 6
Safety ....................................................................... 6
Standards for Safety .............................................. 6
Responsibility for Safety ........................................ 7
About this Manual .................................................. 7
Misuse of Equipment .............................................. 7
Suitability for Application .................................... 7
Structural Support ................................................. 7
Mechanical Strength ............................................. 7
General Access ...................................................... 7
Pressure Systems ................................................... 7
Electrical ............................................................... 7
Refrigerants and Oils ............................................ 8
High Temperature and Pressure Cleaning ............ 8
Emergency Shutdown ........................................... 8
Material Safety Data ............................................... 9
SECTION 2 PRODUCT DESCRIPTION
Introduction ........................................................... 13
Compressor ......................................................... 13
Motor Starting ..................................................... 14
Capacity Control ................................................. 14
Oil Separator .......................................................... 15
Oil Cooler ............................................................... 15
Refrigerant Circuits ............................................. 15
Condenser .............................................................. 15
Cooler ...................................................................... 15
Power and Control Panels .................................... 16
Microprocessor Controls ...................................... 16
Motor Current Protection .................................... 16
Motor Protector Module ..................................... 17
Current Overload ................................................ 17
Thermal Overload ............................................... 17
Current Unbalance / Loss of Phase ..................... 17
Improper Phase Sequence ................................... 17
Keypad Controls ................................................... 17
Status Key ........................................................... 17
Display Keys ....................................................... 18
Print Keys ............................................................. 18
Entry Keys ........................................................... 18
Setpoints Keys .................................................... 18
Clock Keys ......................................................... 18
Program Key ....................................................... 18
Accessories and Options ...................................... 18
Power Supply Options (All Models) .................. 18
Single-Point Power Supply Connection ............. 18
Multiple Point Power Supply Connection
(Standard) ............................................................ 18
Building Automation System (BAS) Interface ... 18
Multi-Unit Sequence Control .............................. 18
Pressure Vessel Codes ......................................... 18
Vibration Isolators ................................................ 18
Neoprene Pad Isolators ....................................... 18
1" (25 mm) Spring Isolators ............................... 18
Flange Kits (150 PSI) ......................................... 19
Mechanical Gauge Kit ........................................ 19
Language LCD and Keypad ................................ 19
Flow Switch Accessory ........................................ 19
Printer .................................................................. 19
Nomenclature ........................................................ 20
Functional Description ......................................... 20
SECTION 3 TRANSPORTATION, HANDLING
AND STORAGE
Delivery and Storage ............................................ 21
Inspection .............................................................. 21
Moving the Unit .................................................... 21
Lifting by Crane/ Hoist ....................................... 21
Lifting by Fork Lift ............................................. 22
Control Panel Removal ........................................ 22
Lifting Weights ...................................................... 22
SECTION
4
INSTALLATION
Location Requirements ........................................ 23
Installation of Vibration Isolators ...................... 23
Pipework Connection ........................................... 23
General Requirements ......................................... 23
Water Treatment ................................................... 24
Glycol Solutions .................................................. 25
Pipework Arrangement ........................................ 25
Recommendations of the Building Services
Research Association .......................................... 25
Connection Types & Sizes .................................... 25
Cooler Connections ............................................. 25
Option Flanges .................................................... 26
Refrigerant Relief Valve Piping .......................... 26
Condenser Cooling Liquid Systems .................... 26
Direct Pressure Control ....................................... 26
Inlet Temperature Control ................................... 26
Electrical Connection ........................................... 26
Power Wiring ........................................................ 27
Units with Single-Point Power Supply Wiring ... 27
Units with Multi Point Power Supply Wiring ..... 27
Control Transformer Primary Voltage Tappings 28
Remote Emergency Stop Device ........................ 28
Common Input Section Wiring ........................... 28
Chilled Liquid Pump ........................................... 28
Common Run Signal ........................................... 28
System Alarm ...................................................... 28
TABLE OF CONTENTS