York YVWA User Manual

JOHNSON CONTROLS
5
FORM 201.30-ICOM1 (519)
ISSUE DATE: 05/22/2019
TABLE OF CONTENTS
SECTION 1 - GENERAL CHILLER INFORMATION AND SAFETY ...................................................................... 11
Introduction ..................................................................................................................................................... 11
About this Manual ........................................................................................................................................... 11
Warranty ......................................................................................................................................................... 11
Quality Assurance .......................................................................................................................................... 11
Fluorinated Greenhouse Gases .....................................................................................................................12
Responsibility for Safety ................................................................................................................................. 12
Misuse of Equipment ...................................................................................................................................... 12
SECTION 2 - PRODUCT DESCRIPTION ............................................................................................................... 15
Components ...................................................................................................................................................15
Semi-Hermetic York Screw Compressors .....................................................................................................19
Evaporator ..................................................................................................................................................... 19
Condenser ..................................................................................................................................................... 19
Refrigerant Circuit .........................................................................................................................................19
Complete Factory Package ...........................................................................................................................19
Electrical ........................................................................................................................................................ 19
Building Automation System Capabilities ...................................................................................................... 19
Microcomputer Control Center .......................................................................................................................20
Options ...........................................................................................................................................................20
SECTION 3 - HANDLING, STORAGE, INSTALLATION AND REASSEMBLY ..................................................... 23
Shipment and Storage ....................................................................................................................................23
Inspection, Damage, and Shortage ................................................................................................................ 25
Lifting Weights ................................................................................................................................................ 26
Moving the Chiller for Forms 1 and 2 .............................................................................................................27
Foundation .....................................................................................................................................................28
Clearance for Service .................................................................................................................................... 28
Installing Elastomeric Vibration Isolator Pads ................................................................................................ 29
Installing Optional Spring Isolators ................................................................................................................. 30
Form 7 Reassembly .......................................................................................................................................31
Piping Joint Assembly ....................................................................................................................................46
Pipe Thread Joints..........................................................................................................................................46
Gasket Joints ..................................................................................................................................................47
Torque Values .................................................................................................................................................48
Refrigerant Tubing Reassembly .....................................................................................................................48
Brazed Joints .................................................................................................................................................50
Piping Connections ........................................................................................................................................52
Check for Piping Alignment ............................................................................................................................52
Condenser and Chilled Liquid Piping ............................................................................................................52
General Requirements ...................................................................................................................................52
Water Treatment ............................................................................................................................................. 53
Pipework Arrangement ...................................................................................................................................54
Minimum Water Volume .................................................................................................................................54
Leaving Water Temperature Out of Range ..................................................................................................... 54
Nozzle Connections .......................................................................................................................................55
Options for Flanges ........................................................................................................................................55
Refrigerant Relief Piping ...............................................................................................................................55

York YVWA Specifications

General

Brand	York
Model	YVWA
Category	Chiller
Language	English