York YCAV0187 User Manual

5
JOHNSON CONTROLS
FORM 201.21-NM1 (1223)
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 ..................................................11
Electrical ...............................................................11
Rotating Parts .......................................................11
Sharp Edges ..........................................................11
Refrigerant & Oils ................................................11
High Temperature & Pressure Cleaning ............... 11
Emergency Shutdown ........................................... 11
SECTION 2 - PRODUCT DESCRIPTION
INTRODUCTION ...................................................12
General System Description .................................12
Compressor ........................................................... 13
Evaporator ............................................................14
Condensor ............................................................. 14
Flash Tank Feed / Drain Valve ..............................15
Oil Separator / Oil System .................................... 15
Relief Valves ......................................................... 15
Oil Cooling ...........................................................16
Capacity Controls .................................................16
Power and Control Panel ......................................16
Microprocessor & VSD Controls .........................16
Display .................................................................. 17
Keypad .................................................................. 17
Unit Switch ...........................................................17
Variable Speed Drive (VSD) ................................18
ACCESSORIES & OPTIONS ...............................19
Single Point Circuit Breaker ................................. 19
Building Automation System (BAS) Interface ..... 19
Condensor Coil Protection....................................19
DX COOLER OPTIONS ........................................20
SERVICE VALVE OPTION ..................................20
UNIT ENCLOSURES ............................................20
FANS ........................................................................20
SOUND REDUCTION OPTIONS ........................ 20
VIBRATION ISOLATION .....................................20
UNIT NOMENCLATURE .....................................21
PRODUCT IDENTIFICATION NUMBER .........22
SECTION 3 - RIGGING, HANDLING & STORAGE
DELIVERY AND STORAGE .................................26
INSPECTION ...........................................................26
MOVING THE CHILLER ......................................26
Lifting Weights ......................................................26
UNIT RIGGING .......................................................27
SECTION 4 - INSTALLATION
LOCATION REQUIREMENTS ............................. 29
OUTDOOR INSTALLATION ................................ 29
INDOOR INSTALLATION ....................................29
LOCATION CLEARANCES ..................................30
VIBRATION ISOLATORS ..................................... 30
Installation .............................................................30
SHIPPING BRACES ............................................... 30
CHILLED LIQUID PIPING ...................................30
General Requirements ...........................................30
WATER TREATMENT ............................................32
CONNECTION TYPES & SIZES ..........................32
COOLER CONNECTIONS .................................... 32
Option Flanges .......................................................32
REFRIGERANT RELIEF VALVE PIPING ..........33
DUCTWORK CONNECTION ............................... 33
General Requirements ...........................................33
ELECTRICAL CONNECTION .............................33
POWER WIRING ....................................................34
115 VAC CONTROL SUPPLY TRANSFORMER 34
CONTROL PANEL WIRING ................................. 34
VOLTS FREE CONTACTS ....................................35
Chilled Liquid Pump Starter ..................................35
Run Contact ...........................................................35
Alarm Contact........................................................35
SYSTEM INPUTS ...................................................35
Flow Switch ........................................................... 35
Remote Run/Stop ...................................................35
Optional Remote Setpoint Oset Temp. ................35
Optional Remote Setpoint Oset Sound Limit ......35
SECTION 5 - COMMISSIONING
PREPARATION .......................................................36
PREPARATION - POWER OFF ............................36
Inspection...............................................................36
Refrigerant Charge ................................................36
Service and Oil Line Valves ..................................36
Compressor Oil ......................................................36
Fans ........................................................................36
Isolation / Protection ..............................................36
Control Panel .........................................................36
Power Connections ................................................ 37

York YCAV0187 Specifications

General

Brand	York
Model	YCAV0187
Category	Chiller
Language	English