Table of Contents
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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 Quantech 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
Inspecting the delivery .................................................................................................................................... 24
Moving the chiller ........................................................................................................................................... 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
Electrical connection ...................................................................................................................................... 36
Power wiring ................................................................................................................................................... 37
Power supply wiring ....................................................................................................................................... 37
6
Table of contents
Form QTC4-NM2
Issue date: 05/12/2023
Quantech
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Table of Contents
