YVAA Style A Air-Cooled Screw Liquid Chillers ... - Johnson Controls

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FORM 201.28-NM1.1 ISSUE DATE: 8/29/2012 TABLE OF CONTENTS SECTION 1 - GENERAL CHILLER INFORMATION AND SAFETY ........................................................................9 Introduction .......................................................................................................................................................9 Warranty ...........................................................................................................................................................9 Quality Assurance and Safety ..........................................................................................................................9 Fluorinated Greenhouse Gases .....................................................................................................................10 Responsibility for Safety .................................................................................................................................10 About This Manual..........................................................................................................................................10 Misuse of Equipment ......................................................................................................................................10 SECTION 2 - PRODUCT DESCRIPTION ...............................................................................................................13 General System Description ...........................................................................................................................13 Semi-Hermetic York Twin-<strong>Screw</strong> Compressors ..............................................................................................14 Evaporator ......................................................................................................................................................15 Condenser ......................................................................................................................................................15 Refrigerant Circuit ..........................................................................................................................................15 Electrical .........................................................................................................................................................15 Building Automation System Capabilities .......................................................................................................15 Microcomputer Control Center .......................................................................................................................16 Accessories and Options ................................................................................................................................17 SECTION 3 - HANDLING AND STORAGE ............................................................................................................19 Delivery and Storage ......................................................................................................................................19 Inspection .......................................................................................................................................................19 Moving the Chiller ...........................................................................................................................................19 Lifting Weights ................................................................................................................................................19 Lifting Unit ......................................................................................................................................................20 Unit Removal From Shipping Container .........................................................................................................21 Lifting Using Lugs ...........................................................................................................................................22 Lifting Using Shackles ....................................................................................................................................22 SECTION 4 - INSTALLATION ................................................................................................................................23 Location Requirements ..................................................................................................................................23 Outdoor Installations ......................................................................................................................................23 Location Clearances .......................................................................................................................................23 Vibration Isolators ...........................................................................................................................................24 Shipping Braces .............................................................................................................................................24 Chilled <strong>Liquid</strong> Piping .......................................................................................................................................24 Water Treatment .............................................................................................................................................26 Pipework Arrangement ...................................................................................................................................26 Minimum Water Volume .................................................................................................................................26 Leaving Water Temperature Out of Range .....................................................................................................26 Flow Rate Out of Range .................................................................................................................................26 Thermal Storage .............................................................................................................................................27 Variable Primary Flow ....................................................................................................................................27 Connection Types and Sizes ..........................................................................................................................27 Evaporator Connections .................................................................................................................................27 Refrigerant Relief Valve Piping .......................................................................................................................29 Electrical Connection ......................................................................................................................................29 JOHNSON CONTROLS 5
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YVAA Style A Air-Cooled Screw Liquid Chillers ... - Johnson Controls

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