York YCAS0295EB, Installation Operation & Maintenance

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4 YORK INTERNATIONAL
FORM 201.19-NM7 (804)
TABLE OF CONTENTS
SECTION 1 - GENERAL CHILLER
INFORMATION & SAFETY
INTRODUCTION ........................................................... 9
WARRANTY................................................................... 9
SAFETY........................................................................... 9
Standards for Safety ............................................... 9
RESPONSIBILITY FOR SAFETY............................... 10
ABOUT THIS MANUAL.............................................. 10
MISUSE OF EQUIPMENT........................................... 10
Suitability for Application .................................... 10
Structural Support ................................................ 10
Mechanical Strength............................................. 10
General Access ..................................................... 10
Pressure Systems .................................................. 10
Electrical............................................................... 10
Rotating Parts ....................................................... 11
Sharp Edges.......................................................... 11
Refrigerants and Oils............................................ 11
High Temperature and Pressure Cleaning ............ 11
Emergency Shutdown........................................... 11
SECTION 2 - PRODUCT DESCRIPTION
INTRODUCTION ......................................................... 12
General Description.............................................. 12
Compressor........................................................... 12
Evaporator ............................................................ 13
Condenser............................................................. 13
Economizer........................................................... 14
Oil Separator/System............................................ 14
Oil Cooling ........................................................... 14
Capacity Control .................................................. 14
Power and Control Panel...................................... 14
Each power compartment contains: ..................... 15
The control section contains:................................ 15
The options sections contain: ............................... 15
Microprocessor Controls ...................................... 15
Motor Current Protection ..................................... 15
Motor Protection Modules (2ACE)...................... 16
Current Overload.................................................. 16
Thermal Overload ................................................ 17
Current Imbalance (Loaded & Unloaded)............ 17
Loss of Phase........................................................ 17
Improper Phase Sequence .................................... 17
MOTOR STARTING ..................................................... 20
KEYPAD CONTROLS.................................................. 20
Display ................................................................. 20
Program ................................................................ 21
ACCESSORIES AND OPTIONS ................................. 21
Multiple Point Power Connection (Standard) ...... 21
Single-Point Power Connection with Individual
Circuit Protection ................................................. 21
Single-Point Power Connection with Combined
Circuit Protection ................................................ 21
Single-Point Power Connection without Circuit
Protection ............................................................ 21
Control Circuit Terminal Block............................ 21
Building Automation System (BAS) Interface..... 21
Condenser Coil Protection .................................. 21
DX EVAPORATOR AND STARTER OPTIONS ......... 24
UNIT ENCLOSURES OPTIONS ................................. 22
FAN OPTIONS .............................................................. 22
SOUND REDUCTION OPTIONS................................ 22
VIBRATION ISOLATION ........................................... 22
UNIT NOMENCLATURE ............................................ 23
NAMEPLATE ENGINEERING DATA ........................ 23
PRODUCT IDENTIFICATION NUMBER (PIN) ........ 24
SECTION 3 - HANDLING AND STORAGE
DELIVERY AND STORAGE ....................................... 25
INSPECTION ................................................................ 25
MOVING THE CHILLER ............................................ 25
Lifting Weights..................................................... 25
UNIT RIGGING ............................................................ 26
SECTION 4 - INSTALLATION
LOCATION REQUIREMENTS.................................... 27
OUTDOOR INSTALLATIONS .................................... 27
INDOOR INSTALLATIONS ........................................ 27
LOCATION CLEARANCES ........................................ 27
COMPRESSOR FEET BOLT REMOVAL ................... 28
VIBRATION ISOLATORS .......................................... 29
Installation ............................................................ 29
SHIPPING BRACES ..................................................... 29
PIPEWORK CONNECTION ........................................ 29
General Requirements .......................................... 29
WATER TREATMENT.................................................. 30
PIPEWORK ARRANGEMENT.................................... 31
CONNECTION TYPES & SIZES................................. 31
EVAPORATOR CONNECTIONS ................................ 31
Optional Flanges .................................................. 31
REFRIGERANT RELIEF VALVE PIPING .................. 31
DUCTWORK CONNECTION ..................................... 31
General Requirements .......................................... 31
ELECTRICAL CONNECTION .................................... 32
POWER WIRING.......................................................... 32
STANDARD UNITS WITH MULTI POINT POWER
SUPPLY WIRING ......................................................... 32