York YVAA Style A - Default Chapter; Table of Contents

JOHNSON CONTROLS
5
Form 201.28-NM1.1
Issue date: 08/06/2021
Table of contents
Section 1 - General chiller information and safety ............................................................................................ 11
Introduction ..................................................................................................................................................... 11
Warranty ......................................................................................................................................................... 11
Quality assurance and safety .........................................................................................................................12
Fluorinated greenhouse gases ....................................................................................................................... 12
Responsibility for safety .................................................................................................................................12
About this manual ...........................................................................................................................................12
Misuse of equipment ......................................................................................................................................12
Section 2 - Product description ...........................................................................................................................15
General system description ............................................................................................................................ 15
Semi-hermetic YORK twin-screw compressors.............................................................................................. 17
Evaporator ...................................................................................................................................................... 17
Condenser ...................................................................................................................................................... 17
Refrigerant circuit ...........................................................................................................................................17
Electrical ......................................................................................................................................................... 17
Building automation system capabilities .........................................................................................................18
Microcomputer control center ......................................................................................................................... 18
Accessories and options ................................................................................................................................19
Fan options .....................................................................................................................................................19
Condenser coils ..............................................................................................................................................19
Section 3 - Rigging, handling, and storage ........................................................................................................23
Lifting weights .................................................................................................................................................23
Delivery and storage ......................................................................................................................................23
Inspection .......................................................................................................................................................24
Moving the chiller ...........................................................................................................................................24
Unit removal from shipping container ............................................................................................................. 24
Lifting using lugs .............................................................................................................................................24
Lifting using shackles .....................................................................................................................................24
Section 4 - Installation ..........................................................................................................................................35
Location requirements .................................................................................................................................... 35
Outdoor installations .......................................................................................................................................35
Location clearances .......................................................................................................................................35
Vibration isolators ........................................................................................................................................... 37
Shipping braces ..............................................................................................................................................37
Chilled liquid piping ........................................................................................................................................37
Evaporator pressure drop ...............................................................................................................................38
Water treatment ..............................................................................................................................................40
Pipework arrangement ...................................................................................................................................40
Minimum water volume ..................................................................................................................................40
Leaving water temperature out of range ........................................................................................................40
Thermal storage .............................................................................................................................................41
Variable primary flow .....................................................................................................................................41
Connection types and sizes ...........................................................................................................................41
Evaporator connections ..................................................................................................................................41
Refrigerant relief valve piping ......................................................................................................................... 43
Electrical connection ......................................................................................................................................43
Power wiring ................................................................................................................................................... 44