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 Dened By Control Range (CR)....................................................... 111
