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Contents

YCAS AIR-COOLED LIQUID CHILLERS YCAS0130 THROUGH YCAS0230 STYLE G AIR-COOLED SCREW LIQUID CHILLERS60 Hz INSTALLATION, OPERATION & MAINTENANCE New ReleaseCHANGEABILITY OF THIS DOCUMENT SAFETY SYMBOLS GENERAL SAFETY GUIDELINESREAD BEFORE PROCEEDING INFORMATION & SAFETY TABLE OF CONTENTSSECTION 4 - INSTALLATION SECTION 1 - GENERAL CHILLERSECTION 7 - TECHNICAL DATA TABLE OF CONTENTS CONT’DSECTION 5 - COMMISSIONING SECTION 6 - OPERATIONSECTION 8 - MICRO PANEL CONTENTS TABLE OF CONTENTS CONT’DTABLE OF CONTENTS CONT’D LIST OF TABLESSECTION 9 - MAINTENANCE SECTION 11 - TROUBLE SHOOTINGLIST OF FIGURES Standards for Safety GENERAL CHILLER INFORMATION & SAFETYGeneral Access General Chiller Information & SafetySuitability for Application Structural SupportRotating Parts High Temperature and Pressure CleaningSharp Edges Refrigerants and OilsProduct Description PRODUCT DESCRIPTIONGeneral Description CompressorCondenser EvaporatorProduct Description Power and Control PanelEconomizer Oil Separator/SystemThe control section contains Each power compartment containsThe options sections contain Microprocessor ControlsProduct Description Other symbolsMotor Protection Modules 2ACE Current OverloadImproper Phase Sequence Current Imbalance Loaded & Unloaded/ Loss of PhaseThermal Overload TABLE 1 - MOTOR PROTECTOR DIP SWITCH SETTING YCAS STYLE G, ACROSS-THE-LINE - 60 HZProduct Description YCAS STYLE G, ACROSS-THE-LINE - 60 HZ TABLE 1 - MOTOR PROTECTOR DIP SWITCH SETTING CONT’DProduct Description YCAS STYLE G, WYE DELTA START - 60 HZYCAS STYLE G, WYE DELTA START - 60 HZ TABLE 1 - MOTOR PROTECTOR DIP SWITCH SETTING CONT’DDisplay Product DescriptionSingle-Point Power Connection with Individual Circuit Protection Multiple Point Power Connection StandardSingle-Point Power Connection with Combined Circuit Protection Single-Point Power Connection without Circuit ProtectionThe following options provide added protection Product DescriptionYCAS0230EC46YGA DATANAMEPLATE ENGINEERING UNIT NOMENCLATUREProduct Description PRODUCT IDENTIFICATION NUMBER PINEVAP. FIELD CONDENSER FIELDLifting Weights HANDLING AND STORAGEHandling and Storage UNIT RIGGINGCORRECT 88 2250mm CORRECTOUTDOOR INSTALLATIONS INSTALLATIONINDOOR INSTALLATIONS LOCATION REQUIREMENTSCOMPRESSOR FEET BOLT REMOVAL InstallationGeneral Requirements InstallationWATER TREATMENT InstallationFIG. 6 - PIPEWORK ARRANGEMENT General Requirements Optional FlangesPIPEWORK ARRANGEMENT CONNECTION TYPES & SIZESUnits with Single-Point Power Supply Wiring InstallationFlow Switch Alarm ContactsRemote Setpoint Offset - Temperature Remote Emergency Stop DeviceInstallation POWER PANEL LAYOUTS TYPICALOPTIONAL DISCONNECT SWITCH OPTIONAL CIRCUIT BREAKER SWITCHLOGIC PANEL OPTION PANEL WITH SINGLE POINT TERMINAL BLOCK OPTIONAL OPTION PANEL LAYOUT TYPICALFIG. 10 - OPTION PANEL SECTION Installation LOGIC SECTION LAYOUT60 Hz Models PHOTOGRAPH OFFIG. 12 - LOGIC SECTION LAYOUT WITH CONTROL PANEL LOGIC SECTION LAYOUT WITH CONTROL PANELInstallation CUSTOMER CONNECTIONSFIG. 13 - CUSTOMER CONNECTIONS FIG. 14 - CUSTOMER CONNECTIONS CUSTOMER CONNECTIONS115 VAC SUPPLY Commissioning COMMISSIONINGPower Connections InspectionFlow Switch Switch SettingsTemperature Sensors Programmed SettingsCommissioning System SwitchesInterlocks Start-upFORM 201.19-NM1 This page intentionally left blankYORK INTERNATIONAL Operation OPERATIONFORM 201.19-NM1 This page intentionally left blankYORK INTERNATIONAL Technical Data TECHNICAL DATAGLYCOL CORRECTION FACTORS FLOW RATE AND PRESSURE DROP CHARTSENGLISH UNITS TEMPERATURE AND FLOWSTechnical Data TEMPERATURE AND FLOWSSI UNITS ENGLISH UNITS MODEL NUMBER YCAS PHYSICAL DATAPHYSICAL DATA Technical DataSI UNITS MODEL NUMBER YCAS OPERATING LIMITATIONS - ENGLISH UNITS OPERATING LIMITATIONS AND SOUND POWER DATAOPERATING LIMITATIONS - SI UNITS Technical Data ELECTRICAL DATAMULTIPLE POINT POWER SUPPLY CONNECTION Suitable for Y - ∆ Start and MULTIPLE POINT POWER SUPPLY CONNECTION - 2 COMPRESSOR UNITSFANS11 ELECTRICAL DATAFIELD-SUPPLIED WIRING Technical DataFACTORY PROVIDED LUGS WIRE RANGE ELECTRICAL DATAFORM 201.19-NM1 ELECTRICAL DATAYORK INTERNATIONAL OPTIONAL SINGLE-POINT POWER SUPPLY Technical DataOPTIONAL SINGLE-POINT POWER SUPPLY CONNECTION - 2 COMPRESSOR UNITS ELECTRICAL DATAFORM 201.19-NM1 ELECTRICAL DATAYORK INTERNATIONAL OPTIONAL SINGLE-POINT POWER SUPPLY Technical DataELECTRICAL DATA CONNECTION TO FACTORY CIRCUIT BREAKER Suitable forMAXIMUM kW AND AMPERAGE VALUES FOR DXST COMPRESSORS ELECTRICAL DATADXS45LA - MOTOR CODE A DXS36LA - MOTOR CODE ATechnical Data ELECTRICAL NOTESNOTES & LEGEND FORM 201.19-NM1 This page intentionally left blankYORK INTERNATIONAL ACROSS-THE-LINE START WIRING DIAGRAMTechnical Data FIG. 18 - WIRING DIAGRAM - ACROSS-THE-LINE START WIRING DIAGRAMACROSS-THE-LINE START LD09233Technical Data ELEMENTARY DIAGRAMFIG. 19 - ELEMENTARY DIAGRAM - ACROSS-THE-LINE START CONTROLPOWER SUPPLY ELEMENTARY DIAGRAMSWITCH SIZE NON-FUSEDWIRING DIAGRAM WYE-DELTA STARTTechnical Data FIG. 20 - WIRING DIAGRAM - WYE-DELTA STARTFIG. 21 - ELEMENTARY DIAGRAM - WYE-DELTA START WIRING DIAGRAMWYE-DELTA START LD09236Technical Data ELEMENTARY DIAGRAMFIG. 22 - ELEMENTARY DIAGRAM - WYE-DELTA START FORM 201.19-NM1 ELEMENTARY DIAGRAMYORK INTERNATIONAL FIG. 22A - POWER PANEL SYSTEM #1 COMPONENT LOCATIONS Technical DataLD09238 LD09239 FIG. 22B - CONTROL PANEL COMPONENT LOCATIONFIG. 22C - POWER PANEL SYSTEM #2 COMPONENT LOCATIONS Technical DataLD09240 YORK INTERNATIONAL FORM 201.19-NM1LD09241 LD03282 LD03283 Technical Data2 ACE MOTOR PROTECTOR MODULE LD03284LD09242 CONNECTION DIAGRAM SYSTEM WIRINGTechnical Data COMPRESSOR TERMINAL BOXLD09243 LD09373 ELEMENTARY DIAGRAM CONTROL CIRCUITTechnical Data ELEMENTARY DIAGRAM#3/#4 #3/#4FORM 201.19-NM1 This page intentionally left blankYORK INTERNATIONAL 0P0.71 DIMENSIONS - YCAS0130 - YCAS0180 ENGLISHTechnical Data LD03744 DIMENSIONS - YCAS0130 - YCAS0180 ENGLISHTechnical Data DIMENSIONS - YCAS0130 - YCAS0180 SIAll dimensions are in mm unless otherwise noted 46 EDGE OF UNIT TO COOLER CONNECTIONLD03746 DIMENSIONS - YCAS0130 - YCAS0180 SILD03747 Technical Data DIMENSIONS - YCAS0200 - YCAS0230 ENGLISHSYS.#2 MICRO-COMPUTERLD03749 DIMENSIONS - YCAS0200 - YCAS0230 ENGLISHLD03750 Technical Data DIMENSIONS - YCAS0200 - YCAS0230 SIAll dimensions are in mm unless otherwise noted LD03752 DIMENSIONS - YCAS0200 - YCAS0230 SILD03753 Technical Data TECHNICAL DATACLEARANCES 1.3 mAluminium and Black Fin Condenser Coils WEIGHT DISTRIBUTION AND ISOLATOR MOUNTING POSITIONSTechnical Data WEIGHT DISTRIBUTION AND ISOLATOR MOUNTING POSITIONSAluminium and Black Fin Condenser Coils ISOLATOR DETAILSAluminium and Black Fin Condenser Coils WEIGHT DISTRIBUTION AND ISOLATOR MOUNTING POSITIONSAWMR-1-XXX AWMR-2-XXXTechnical Data WEIGHT DISTRIBUTION AND ISOLATOR MOUNTING POSITIONSAluminium and Black Fin Condenser Coils NEW DESIGN FOR TYPE RD-4Copper Fin Condenser Coils WEIGHT DISTRIBUTION AND ISOLATOR MOUNTING POSITIONSTechnical Data WEIGHT DISTRIBUTION AND ISOLATOR MOUNTING POSITIONSCopper Fin Condenser Coils ISOLATOR DETAILSCopper Fin Condenser Coils WEIGHT DISTRIBUTION AND ISOLATOR MOUNTING POSITIONSAWMR-1-XXX AWMR-2-XXXTechnical Data WEIGHT DISTRIBUTION AND ISOLATOR MOUNTING POSITIONSCopper Fin Condenser Coils NEW DESIGN FOR TYPE RD-4Aluminium Fin Condenser Coils with Silencer Kit WEIGHT DISTRIBUTION AND ISOLATOR MOUNTING POSITIONSTechnical Data WEIGHT DISTRIBUTION AND ISOLATOR MOUNTING POSITIONSAluminium Fin Condenser Coils with Silencer Kit ISOLATOR DETAILSAluminium Fin Condenser Coils with Silencer Kit WEIGHT DISTRIBUTION AND ISOLATOR MOUNTING POSITIONSAWMR-1-XXX AWMR-2-XXXTechnical Data WEIGHT DISTRIBUTION AND ISOLATOR MOUNTING POSITIONSAluminum Fin Condenser Coils NEW DESIGN FOR TYPE RD-4Copper Fin Condenser Coils with Silencer Kit WEIGHT DISTRIBUTION AND ISOLATOR MOUNTING POSITIONSTechnical Data WEIGHT DISTRIBUTION AND ISOLATOR MOUNTING POSITIONSCopper Fin Condenser Coils with Silencer Kit ISOLATOR DETAILSCopper Fin Condenser Coils with Silencer Kit WEIGHT DISTRIBUTION AND ISOLATOR MOUNTING POSITIONSAWMR-1-XXX AWMR-2-XXXTechnical Data WEIGHT DISTRIBUTION AND ISOLATOR MOUNTING POSITIONSCopper Fin Condenser Coils with Silencer Kit NEW DESIGN FOR TYPE RD-4RESTRAINED MOUNTINGS INSTALLATION INSTRUCTIONS FOR VMC SERIES AWR/AWMR AND CPTechnical Data REFRIGERANT FLOW DIAGRAMFIG. 36 - REFRIGERANT FLOW DIAGRAM FIG. 37 - PROCESS AND INSTRUMENTATION DIAGRAM PROCESS AND INSTRUMENTATION DIAGRAMSYSTEM COMPONENTS MAJOR COMPONENTSTechnical Data COMPONENT LOCATIONSControl Panel FIG. 39 - COMPRESSOR COMPONENTS COMPRESSOR COMPONENTSTechnical Data COMPRESSOR COMPONENTS - CONT’DFIG. 40 - COMPRESSOR COMPONENTS FIG. 41 - COMPRESSOR COMPONENTS COMPRESSOR COMPONENTS - CONT’DLD03670 COMPRESSOR COMPONENTS - CONT’D Technical DataFIG. 42 - COMPRESSOR COMPONENTS O-RING OIL FILTER MALE ROTOR DISCHARGE CHECK VALVEFIG. 43 - COMPRESSOR COMPONENTS COMPRESSOR COMPONENTS - CONT’DLD03673 COMPRESSOR COMPONENTS - CONT’D Technical DataFIG. 44 - COMPRESSOR COMPONENTS LD03672Excessive ﬂow may cause catastrophic damage to the evaporator SYSTEM STARTUP CHECKLISTRecord programmed values in the chart below Technical DataCHECKING SUBCOOLING AND SUPERHEAT INITIAL START-UPtemperature, and economizer superheat below Technical DataFORM 201.19-NM1 This page intentionally left blankYORK INTERNATIONAL Micro Panel Contents CHILLER CONTROL PANEL PROGRAMMING AND DATA ACCESS KEYSStatus Key - see Section Display Keys - see Section1. INTRODUCTION & PHYSICAL DESCRIPTION System Switches 1 Micro Panel ContentsInternal Clock & Memory Backup Battery Power Supply Board4T Supplies 24VAC power to the 2ACE Motor Protector Modules 2T This 75VA transformer supplies the 24VAC to the power supply boardRelay Output Boards Always review the data in the history buffer when faults occur. Since the Micro attempts to restart 2 more times and fails to restart with the M1-M2 contacts open, the Micro will record the last 2 faults of Low Curr/MP/ HP. Hence, the third 3rd history buffer will show data related to the true cause. See page 142 for additional fault data Micro Panel ContentsTOP VIEW SIDE VIEWSIDE VIEW FIG. 45 - MOTOR PROTECTION MODULERemote Current Reset Micro Panel ContentsRemote Start/Stop Remote Setpoint Temperature Reset 1.11 MICROPROCESSOR BOARD LAYOUT Micro Panel ContentsFIG. 46 - COMPONENT LAYOUT 1.12 LOGIC SECTION LAYOUT 60 Hz Models Flow Switch & Customer Connection Terminals TB460 HZ MODEL LOGIC SECTION FIG. 47 - LOGIC SECTION LAYOUT1.13 ANTI-RECYCLE TIMER Micro Panel Contents1.14 ANTI-COINCIDENCE TIMER 1.15 EVAPORATOR PUMP CONTROL1.20 RUN STATUS CHILLER 1.19 ALARMS1.21 LEAD / LAG COMPRESSOR SELECTION The micro utilizes the formula below to compute pres- sure ratio Micro Panel ContentsPR = DP in PSIG+14.7 SP in PSIG+14.7 1.22 ECONOMIZER SOLENOID CONTROLFIG. 47A - PROCESS AND INSTRUMENTATION DIAGRAM PROCESS AND INSTRUMENTATION DIAGRAMECONOMIZER HX Micro Panel Contents 2. STATUS KEY GENERAL STATUS MESSAGES & FAULT WARNINGS2.5 Chiller Fault Status Messages 2.6 System Fault Status Messages Unit Switch OFFAnti-Recycle Timers System Switches OFFAnti-Coincidence Timers Low Battery WarningPower Failure Warning Micro Panel ContentsPump Down Incorrect Refrigerant WarningLow Ambient Temperature Cutout Suction Temperature LimitingHigh Ambient Temperature Cutout Low Leaving Chilled Liquid Temperature CutoutFlow Switch Open Micro Panel ContentsHigh Discharge Temperature Cutout High Discharge Pressure CutoutLow Oil Differential Pressure Cutout High Oil Temperature CutoutLow Suction Pressure Cutout The Low Suction Pressure Cutout aids in protecting theFLA full load amps is approximately Micro Panel Contents2.7 PRINTOUT ON FAULT SHUTDOWN Low Evaporator Temperature Cutout R407C OnlyMicro Panel Contents 3. DISPLAY KEYS & OPTION SWITCHESdisappear SWITCH 1 Water / Glycol Cooling Open Micro Panel ContentsSWITCH 2 Ambient Temp. Range Low Ambient Cutout Open ClosedSWITCH 4 Unit Type Open SWITCH 3 Refrigerant OpenDip Switch Physical Location and Setting SWITCH 5 Motor Current Average option start-up OpenSWITCH 6 Heat Recovery Open Micro Panel ContentsSWITCH 7 Expansion Valve Type Open SWITCH 8 Standard Options OpenYCAS 2 System Models 4. PRINT KEYSCommon Data System Data Micro Panel ContentsThis message indicates the EEV preheat % and the suc- tion superheat When the History key is pressed, the following message will appear Micro Panel ContentsChiller Data DISABLEDBE IN YCAS MODE System Data Micro Panel Contentswill not appear This message indicates the EEV preheat % and the suc- tion superheat 4.7 FAULT HISTORY DATA - REMOTE PRINTOUT Micro Panel ContentsAn example of the HISTORY Printout is shown be- low 5.4 CANCEL KEY 5. ENTRY KEYS5.1 GENERAL 5.2 NUMERICAL KEYPADMicro Panel Contents 6. SETPOINTS KEYS & CHILLED LIQUID CONTROLUser ac ceptableSlide Valve Control Load TimersSlide Valve Position Compressor Starting & Loading SequenceTimer Counts to Micro Panel ContentsANTICIPATORY LOAD LIMITING CONTROLS Percentage of MotorOIL TEMPERATURE ANTICIPATORY SHUTDOWN CONTROL DISCHARGE TEMPERATURE ANTICIPATORY SHUTDOWN CONTROLANTICIPATORY UNLOADING CONTROLS 6.3 LOCAL COOLING SETPOINTS KEY Micro Panel Contents6.4 REMOTE COOLING SETPOINTS KEY First press the 7. CLOCK KEYSkey can only be pressed Micro Panel Contents7.4 MANUAL OVERRIDE KEY Micro Panel Contents 8. PROGRAM KEYHigh Discharge Pressure Cut-Out Low Suction Pressure Cutout High Discharge Pressure Unload PointProgrammed X Run Time/3 + Cutout100 60/3 +High Ambient Temperature Cutout Micro Panel ContentsLow Ambient Temperature Cutout Low Leaving Liquid Temperature CutoutLocal/Remote Communications Anti-Recycle TimeImperial/SI Units Display Automatic/Manual “Lead/Lag”Automatic/Manual Power Failure Restart Micro Panel ContentsProgram Value DefaultMode Low LimitMicro Panel Contents 8.4 ELECTRONIC EXPANSION VALVEIN OUT MOP FEATURE 8.5 EEV OPERATIONVALVE PREHEAT FEATURE EEV OPERATIONLOW SUPERHEAT CUTOUT SAFETY Micro Panel ContentsSENSOR FAILURE CUTOUT SAFETY OPERATING DATA DISPLAYS8.6 EEV PROGRAMMING Micro Panel Contents 8.7 EEV TROUBLESHOOTINGThe system shuts down on Low Suction Pressure The system shuts down on Low SuperheatFIG. 51 - CONDENSER FAN LAYOUT FOR DXST 2 COMPRESSOR UNITS 8.8 CONDENSER FAN CONTROLTABLE 3 - CONDENSER FAN CONTROL AND FAN CONTACTOR DATA FOR DXST UNITS WITH 4 FANS/SYSTEM Micro Panel ContentsThe chiller must always be programmed for YCAS Indicates one lead/phase through motor protector Micro Panel ContentsTABLE 6 - YCAS STYLE G, ACROSS THE LINE START - 60 HZ TABLE 6 - YCAS STYLE G, ACROSS THE LINE START - 60 HZ. CONTD Indicates one lead/phase through motor protectorTABLE 7 - YCAS STYLE G, WYE DELTA START - 60 HZ Micro Panel ContentsTABLE 7 - YCAS STYLE G, WYE DELTA START - 60 HZ. CONTD Indicates one lead/phase through motor protectorSERVICE MODE VIEWING INPUTS AND OUTPUTS Micro Panel ContentsSERVICE MODE OUTPUT ENABLE Ambient Temperature Sensor 8.10 SENSOR CALIBRATION CHARTSOil & Discharge Temperature Sensors Pressure TransducersMicro Panel Contents 8.11 CONTROL INPUTS/OUTPUTSTABLE 8 - DIGITAL OUTPUTS TABLE 9 - ANALOG INPUTS ANALOG INPUTSDIGITAL INPUTS Micro Panel ContentsTABLE 10 - DIGITAL INPUTS ANALOG OUTPUTSRECEIVED DATA CONTROL DATA 8.12 ISN CONTROLTRANSMITTED DATA TABLE 13 - ISN TRANSMITTED DATA CONTD Micro Panel ContentsTABLE 13 - ISN TRANSMITTED DATA CONTD TABLE 14 - ISN OPERATIONAL AND FAULT CODES Micro Panel ContentsFORM 201.19-NM1 This page intentionally left blankYORK INTERNATIONAL Maintenance MAINTENANCEON-BOARD BATTERY BACK-UP Scheduled MaintenanceChiller / Compressor Operating Log OVERALL UNIT INSPECTIONMaintenance COMPRESSOR UNIT OPERATIONOperating CHILLER/COMPRESSOR 196 Operating LogYORKINTERNATIONAL MAINTENANCE REQUIREMENTS FOR YORK YCAS SCREW CHILLERSMaintenance GENERAL PERIODIC MAINTENANCE CHECKS STANDARD UNITSSERVICE SCHEDULE MINOR SERVICEFor Parts, Service, or Sales Call Toll Free 1-866-YORK SRV SPARE PARTSRecommended Spares Recommended Compressor OilsTroubleshooting TROUBLESHOOTING GUIDEPROBLEM TROUBLESHOOTING GUIDE - CONT’DPOSSIBLE ACTIONTroubleshooting LIMITED WARRANTY YORK AMERICAS ENGINEERED SYSTEMSWARRANTY ON NEW EQUIPMENT WARRANTY ON RECONDITIONED OR REPLACEMENT MATERIALSTemperature Conversion Chart Actual Temperatures TEMPERATURE CONVERSION CHARTTemperature Conversion Chart Differential Temperatures Pressure Conversion Chart Gauge or DifferentialTele Form 201.19-NM1 204 New ReleaseSubject to change without notice. Printed in USA ALL RIGHTS RESERVED

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Models: YCAS0130