JOHNSON CONTROLS
6
Form 201.47-ICOM1
Issue date: 17/11/2022
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 .........................................................................................................................................29
Location requirements .................................................................................................................................... 29
Outdoor installations .......................................................................................................................................29
Location clearances .......................................................................................................................................29
Vibration isolators ........................................................................................................................................... 31
Shipping braces ..............................................................................................................................................31
Chilled liquid piping ........................................................................................................................................31
Evaporator pressure drop ...............................................................................................................................32
Water treatment .............................................................................................................................................. 33
Pipework arrangement ...................................................................................................................................33
Minimum water volume ..................................................................................................................................33
Leaving water temperature out of range ........................................................................................................33
Thermal storage .............................................................................................................................................34
Variable primary flow .....................................................................................................................................34
Connection types and sizes ...........................................................................................................................34
Evaporator connections ..................................................................................................................................34
Refrigerant relief valve piping ......................................................................................................................... 36