York YVWA - Page 8

JOHNSON CONTROLS
8
FORM 201.30-ICOM1 (519)
ISSUE DATE: 05/22/2019
LIST OF FIGURES
FIGURE 1 - Emergency Shutdown Handle .............................................................................................................13
FIGURE 2 - YVWA Chiller Major Components (Front View) ...................................................................................16
FIGURE 3 - YVWA Chiller Major Components (Rear View) ....................................................................................17
FIGURE 4 - Basic System Control and VSD System Architecture .......................................................................... 18
FIGURE 5 - Control Center User Interface ..............................................................................................................20
FIGURE 6 - head pressure control system..............................................................................................................22
FIGURE 7 - Unit Rigging for Forms 1 and 2 ............................................................................................................27
FIGURE 8 - Service Clearance Requirements ........................................................................................................ 28
FIGURE 9 - Elastomeric Vibration Isolator Pad Mounts (Standard) - Inches (mm) .................................................29
FIGURE 10 - Spring Isolators - Inches (mm)...........................................................................................................30
FIGURE 11 - Rigging the Evaporator ......................................................................................................................33
FIGURE 12 - Condenser Rigging ............................................................................................................................ 34
FIGURE 13 - Isolator Installation .............................................................................................................................35
FIGURE 14 - Heat Exchanger Shipping Brackets ................................................................................................... 37
FIGURE 15 - Heat Exchanger Pipes ....................................................................................................................... 37
FIGURE 16 - Liquid Injection Piping ........................................................................................................................38
FIGURE 17 - Filter Drier and Piping ........................................................................................................................ 38
FIGURE 18 - Driveline (Compressor/Motor) Assembly ........................................................................................... 39
FIGURE 19 - Oil Separator Discharge Piping on Single Compressor Units............................................................41
FIGURE 20 - Transducer, Eductor and Oil Return Piping ......................................................................................42
FIGURE 21 - Oil Supply Piping ...............................................................................................................................42
FIGURE 22 - Variable Speed Drive (VSD) ..............................................................................................................44
FIGURE 23 - Control Panel ..................................................................................................................................... 45
FIGURE 24 - VSD Cooling Hoses ........................................................................................................................... 45
FIGURE 25 - Alternate Piping for VSD .................................................................................................................... 46
FIGURE 26 - Torque Pattern ...................................................................................................................................47
FIGURE 27 - Adjustable End Fitting ........................................................................................................................ 48
FIGURE 28 - Back Off Locknut ...............................................................................................................................49
FIGURE 29 - Screw Fitting Into Port .......................................................................................................................49
FIGURE 30 - Torque Fitting .....................................................................................................................................49
FIGURE 31 - SAE or ISO 6149 Straight Thread O-ring Port ................................................................................... 49
FIGURE 32 - Brazed Joints ..................................................................................................................................... 51
FIGURE 33 - Schematic of a Typical Piping Arrangement ......................................................................................54
FIGURE 34 - Leaving Water Temperature Out-of-Range Suggested Layout .........................................................55
FIGURE 35 - Victaulic Groove .................................................................................................................................55
FIGURE 36 - Flange Attachment .............................................................................................................................55
FIGURE 37 - Typical Components of Relief Piping ................................................................................................. 56
FIGURE 38 - Power Connections............................................................................................................................62
FIGURE 39 - single Compressor Unit Dimensions..................................................................................................72
FIGURE 40 - Evaporators - Compact Water Boxes (2-Pass) ..................................................................................74
FIGURE 41 - Evaporators - Compact Water Boxes (3-Pass) ..................................................................................74
FIGURE 42 - Condensers - Compact Water Boxes (1-Pass) ..................................................................................75
FIGURE 43 - Condensers - Compact Water Boxes (2-Pass) ..................................................................................75
FIGURE 44 - Condensers - Compact Water Boxes (3-Pass) ..................................................................................75
FIGURE 45 - Keypad and Display ...........................................................................................................................83
FIGURE 46 - Control Operation ..............................................................................................................................85
FIGURE 47 - Status Key .........................................................................................................................................89
FIGURE 48 - New 331-03478-xxx Microboard ........................................................................................................92
FIGURE 49 - Unit Data Key...................................................................................................................................104
FIGURE 50 - System Data Key ............................................................................................................................. 105
FIGURE 51 - VSD Data and Operating Hours/Start Counter Keys ....................................................................... 107
FIGURE 52 - History Key ......................................................................................................................................108
FIGURE 53 - Setpoints Key................................................................................................................................... 110
FIGURE 54 - Setpoint High and Low Limits Dened By Control Range (CR) ....................................................... 111