YVAA Style A Air-Cooled Screw Liquid Chillers ... - Johnson Controls
YVAA Style A Air-Cooled Screw Liquid Chillers ... - Johnson Controls
YVAA Style A Air-Cooled Screw Liquid Chillers ... - Johnson Controls
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FORM 201.28-NM1.1<br />
ISSUE DATE: 8/29/2012<br />
LIST OF FIGURES<br />
FIGURE 1 - <strong>YVAA</strong> <strong>Air</strong>-<strong>Cooled</strong> <strong>Screw</strong> <strong>Liquid</strong> Chiller with Variable Speed Drive .......................................................13<br />
FIGURE 2 - Chiller Control System .........................................................................................................................14<br />
FIGURE 3 - View of York Control Center User Interface .........................................................................................16<br />
FIGURE 4 - Proper Lifting of <strong>YVAA</strong> Chiller ..............................................................................................................20<br />
FIGURE 5 - Acceptable Minimum Clearances Around/Between Unit(s) .................................................................24<br />
FIGURE 6 - Pipework Arrangement ........................................................................................................................26<br />
FIGURE 7 - Leaving Water Temperature Out of Range Suggested Layout ............................................................26<br />
FIGURE 8 - Suggested Layout For Applications With A Flow Rate Less Than<br />
The Evaporator Minimum Allowable Flow Rate ...................................................................................27<br />
FIGURE 9 - Suggested Layout For Applications With A Flow Rate Less Than<br />
The Evaporator Minimum Allowable Flow Rate ...................................................................................27<br />
FIGURE 10 - Victaulic Groove .................................................................................................................................27<br />
FIGURE 11 - Flange For GB Vessels ......................................................................................................................28<br />
FIGURE 12 - Flange Attachment .............................................................................................................................29<br />
FIGURE 13 - Power Wiring - 2 Compressor Connections.......................................................................................32<br />
FIGURE 14 - Customer Control Connections .........................................................................................................33<br />
FIGURE 15 - <strong>YVAA</strong> Dimensions ..............................................................................................................................55<br />
FIGURE 16 - Keyboard and Display........................................................................................................................85<br />
JOHNSON CONTROLS 7