This page intentionally left blank, FORM 201.19-NM1

Contents

INSTALLATION, OPERATION & MAINTENANCE New Release AIR-COOLED SCREW LIQUID CHILLERSYCAS AIR-COOLED LIQUID CHILLERS YCAS0130 THROUGH YCAS0230 STYLE G 60 HzCHANGEABILITY OF THIS DOCUMENT READ BEFORE PROCEEDING GENERAL SAFETY GUIDELINESSAFETY SYMBOLS SECTION 1 - GENERAL CHILLER TABLE OF CONTENTSINFORMATION & SAFETY SECTION 4 - INSTALLATIONSECTION 6 - OPERATION TABLE OF CONTENTS CONT’DSECTION 7 - TECHNICAL DATA SECTION 5 - COMMISSIONINGSECTION 8 - MICRO PANEL CONTENTS TABLE OF CONTENTS CONT’DSECTION 11 - TROUBLE SHOOTING LIST OF TABLESTABLE OF CONTENTS CONT’D SECTION 9 - MAINTENANCELIST OF FIGURES Standards for Safety GENERAL CHILLER INFORMATION & SAFETYStructural Support General Chiller Information & SafetyGeneral Access Suitability for ApplicationRefrigerants and Oils High Temperature and Pressure CleaningRotating Parts Sharp EdgesCompressor PRODUCT DESCRIPTIONProduct Description General DescriptionCondenser EvaporatorOil Separator/System Power and Control PanelProduct Description EconomizerMicroprocessor Controls Each power compartment containsThe control section contains The options sections containCurrent Overload Other symbolsProduct Description Motor Protection Modules 2ACEThermal Overload Current Imbalance Loaded & Unloaded/ Loss of PhaseImproper Phase Sequence Product Description YCAS STYLE G, ACROSS-THE-LINE - 60 HZTABLE 1 - MOTOR PROTECTOR DIP SWITCH SETTING 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 without Circuit Protection Multiple Point Power Connection StandardSingle-Point Power Connection with Individual Circuit Protection Single-Point Power Connection with Combined Circuit ProtectionThe following options provide added protection Product DescriptionUNIT NOMENCLATURE DATAYCAS0230EC46YGA NAMEPLATE ENGINEERINGCONDENSER FIELD PRODUCT IDENTIFICATION NUMBER PINProduct Description EVAP. FIELDLifting Weights HANDLING AND STORAGE88 2250mm CORRECT UNIT RIGGINGHandling and Storage CORRECTLOCATION REQUIREMENTS INSTALLATIONOUTDOOR INSTALLATIONS INDOOR INSTALLATIONSCOMPRESSOR FEET BOLT REMOVAL InstallationGeneral Requirements InstallationFIG. 6 - PIPEWORK ARRANGEMENT InstallationWATER TREATMENT CONNECTION TYPES & SIZES Optional FlangesGeneral Requirements PIPEWORK ARRANGEMENTUnits with Single-Point Power Supply Wiring InstallationRemote Emergency Stop Device Alarm ContactsFlow Switch Remote Setpoint Offset - TemperatureOPTIONAL CIRCUIT BREAKER SWITCH POWER PANEL LAYOUTS TYPICALInstallation OPTIONAL DISCONNECT SWITCHFIG. 10 - OPTION PANEL SECTION OPTION PANEL LAYOUT TYPICALLOGIC PANEL OPTION PANEL WITH SINGLE POINT TERMINAL BLOCK OPTIONAL PHOTOGRAPH OF LOGIC SECTION LAYOUTInstallation 60 Hz ModelsFIG. 12 - LOGIC SECTION LAYOUT WITH CONTROL PANEL LOGIC SECTION LAYOUT WITH CONTROL PANELFIG. 13 - CUSTOMER CONNECTIONS CUSTOMER CONNECTIONSInstallation 115 VAC SUPPLY CUSTOMER CONNECTIONSFIG. 14 - CUSTOMER CONNECTIONS Inspection COMMISSIONINGCommissioning Power ConnectionsProgrammed Settings Switch SettingsFlow Switch Temperature SensorsStart-up System SwitchesCommissioning InterlocksYORK INTERNATIONAL This page intentionally left blankFORM 201.19-NM1 Operation OPERATIONYORK INTERNATIONAL This page intentionally left blankFORM 201.19-NM1 FLOW RATE AND PRESSURE DROP CHARTS TECHNICAL DATATechnical Data GLYCOL CORRECTION FACTORSENGLISH UNITS TEMPERATURE AND FLOWSSI UNITS TEMPERATURE AND FLOWSTechnical Data ENGLISH UNITS MODEL NUMBER YCAS PHYSICAL DATASI UNITS MODEL NUMBER YCAS Technical DataPHYSICAL DATA OPERATING LIMITATIONS - SI UNITS OPERATING LIMITATIONS AND SOUND POWER DATAOPERATING LIMITATIONS - ENGLISH UNITS MULTIPLE POINT POWER SUPPLY CONNECTION - 2 COMPRESSOR UNITS ELECTRICAL DATATechnical Data MULTIPLE POINT POWER SUPPLY CONNECTION Suitable for Y - ∆ Start andFANS11 ELECTRICAL DATAELECTRICAL DATA Technical DataFIELD-SUPPLIED WIRING FACTORY PROVIDED LUGS WIRE RANGEYORK INTERNATIONAL ELECTRICAL DATAFORM 201.19-NM1 ELECTRICAL DATA Technical DataOPTIONAL SINGLE-POINT POWER SUPPLY OPTIONAL SINGLE-POINT POWER SUPPLY CONNECTION - 2 COMPRESSOR UNITSYORK INTERNATIONAL ELECTRICAL DATAFORM 201.19-NM1 CONNECTION TO FACTORY CIRCUIT BREAKER Suitable for Technical DataOPTIONAL SINGLE-POINT POWER SUPPLY ELECTRICAL DATADXS36LA - MOTOR CODE A ELECTRICAL DATAMAXIMUM kW AND AMPERAGE VALUES FOR DXST COMPRESSORS DXS45LA - MOTOR CODE ANOTES & LEGEND ELECTRICAL NOTESTechnical Data YORK INTERNATIONAL This page intentionally left blankFORM 201.19-NM1 Technical Data WIRING DIAGRAMACROSS-THE-LINE START LD09233 WIRING DIAGRAMFIG. 18 - WIRING DIAGRAM - ACROSS-THE-LINE START ACROSS-THE-LINE STARTFIG. 19 - ELEMENTARY DIAGRAM - ACROSS-THE-LINE START ELEMENTARY DIAGRAMTechnical Data NON-FUSED ELEMENTARY DIAGRAMCONTROLPOWER SUPPLY SWITCH SIZEFIG. 20 - WIRING DIAGRAM - WYE-DELTA START WYE-DELTA STARTWIRING DIAGRAM Technical DataLD09236 WIRING DIAGRAMFIG. 21 - ELEMENTARY DIAGRAM - WYE-DELTA START WYE-DELTA STARTFIG. 22 - ELEMENTARY DIAGRAM - WYE-DELTA START ELEMENTARY DIAGRAMTechnical Data YORK INTERNATIONAL ELEMENTARY DIAGRAMFORM 201.19-NM1 LD09238 Technical DataFIG. 22A - POWER PANEL SYSTEM #1 COMPONENT LOCATIONS LD09239 FIG. 22B - CONTROL PANEL COMPONENT LOCATIONLD09240 Technical DataFIG. 22C - POWER PANEL SYSTEM #2 COMPONENT LOCATIONS LD09241 FORM 201.19-NM1YORK INTERNATIONAL LD03284 Technical DataLD03282 LD03283 2 ACE MOTOR PROTECTOR MODULELD09242 CONNECTION DIAGRAM SYSTEM WIRINGLD09243 COMPRESSOR TERMINAL BOXTechnical Data LD09373 ELEMENTARY DIAGRAM CONTROL CIRCUIT#3/#4 ELEMENTARY DIAGRAMTechnical Data #3/#4YORK INTERNATIONAL This page intentionally left blankFORM 201.19-NM1 Technical Data DIMENSIONS - YCAS0130 - YCAS0180 ENGLISH0P0.71 LD03744 DIMENSIONS - YCAS0130 - YCAS0180 ENGLISH46 EDGE OF UNIT TO COOLER CONNECTION DIMENSIONS - YCAS0130 - YCAS0180 SITechnical Data All dimensions are in mm unless otherwise notedLD03747 DIMENSIONS - YCAS0130 - YCAS0180 SILD03746 MICRO-COMPUTER DIMENSIONS - YCAS0200 - YCAS0230 ENGLISHTechnical Data SYS.#2LD03750 DIMENSIONS - YCAS0200 - YCAS0230 ENGLISHLD03749 All dimensions are in mm unless otherwise noted DIMENSIONS - YCAS0200 - YCAS0230 SITechnical Data LD03753 DIMENSIONS - YCAS0200 - YCAS0230 SILD03752 1.3 m TECHNICAL DATATechnical Data CLEARANCESAluminium and Black Fin Condenser Coils WEIGHT DISTRIBUTION AND ISOLATOR MOUNTING POSITIONSISOLATOR DETAILS WEIGHT DISTRIBUTION AND ISOLATOR MOUNTING POSITIONSTechnical Data Aluminium and Black Fin Condenser CoilsAWMR-2-XXX WEIGHT DISTRIBUTION AND ISOLATOR MOUNTING POSITIONSAluminium and Black Fin Condenser Coils AWMR-1-XXXNEW DESIGN FOR TYPE RD-4 WEIGHT DISTRIBUTION AND ISOLATOR MOUNTING POSITIONSTechnical Data Aluminium and Black Fin Condenser CoilsCopper Fin Condenser Coils WEIGHT DISTRIBUTION AND ISOLATOR MOUNTING POSITIONSISOLATOR DETAILS WEIGHT DISTRIBUTION AND ISOLATOR MOUNTING POSITIONSTechnical Data Copper Fin Condenser CoilsAWMR-2-XXX WEIGHT DISTRIBUTION AND ISOLATOR MOUNTING POSITIONSCopper Fin Condenser Coils AWMR-1-XXXNEW DESIGN FOR TYPE RD-4 WEIGHT DISTRIBUTION AND ISOLATOR MOUNTING POSITIONSTechnical Data Copper Fin Condenser CoilsAluminium Fin Condenser Coils with Silencer Kit WEIGHT DISTRIBUTION AND ISOLATOR MOUNTING POSITIONSISOLATOR DETAILS WEIGHT DISTRIBUTION AND ISOLATOR MOUNTING POSITIONSTechnical Data Aluminium Fin Condenser Coils with Silencer KitAWMR-2-XXX WEIGHT DISTRIBUTION AND ISOLATOR MOUNTING POSITIONSAluminium Fin Condenser Coils with Silencer Kit AWMR-1-XXXNEW DESIGN FOR TYPE RD-4 WEIGHT DISTRIBUTION AND ISOLATOR MOUNTING POSITIONSTechnical Data Aluminum Fin Condenser CoilsCopper Fin Condenser Coils with Silencer Kit WEIGHT DISTRIBUTION AND ISOLATOR MOUNTING POSITIONSISOLATOR DETAILS WEIGHT DISTRIBUTION AND ISOLATOR MOUNTING POSITIONSTechnical Data Copper Fin Condenser Coils with Silencer KitAWMR-2-XXX WEIGHT DISTRIBUTION AND ISOLATOR MOUNTING POSITIONSCopper Fin Condenser Coils with Silencer Kit AWMR-1-XXXNEW DESIGN FOR TYPE RD-4 WEIGHT DISTRIBUTION AND ISOLATOR MOUNTING POSITIONSTechnical Data Copper Fin Condenser Coils with Silencer KitRESTRAINED MOUNTINGS INSTALLATION INSTRUCTIONS FOR VMC SERIES AWR/AWMR AND CPFIG. 36 - REFRIGERANT FLOW DIAGRAM REFRIGERANT FLOW DIAGRAMTechnical Data MAJOR COMPONENTS PROCESS AND INSTRUMENTATION DIAGRAMFIG. 37 - PROCESS AND INSTRUMENTATION DIAGRAM SYSTEM COMPONENTSControl Panel COMPONENT LOCATIONSTechnical Data FIG. 39 - COMPRESSOR COMPONENTS COMPRESSOR COMPONENTSFIG. 40 - COMPRESSOR COMPONENTS COMPRESSOR COMPONENTS - CONT’DTechnical Data LD03670 COMPRESSOR COMPONENTS - CONT’DFIG. 41 - COMPRESSOR COMPONENTS O-RING OIL FILTER MALE ROTOR DISCHARGE CHECK VALVE Technical DataCOMPRESSOR COMPONENTS - CONT’D FIG. 42 - COMPRESSOR COMPONENTSLD03673 COMPRESSOR COMPONENTS - CONT’DFIG. 43 - COMPRESSOR COMPONENTS LD03672 Technical DataCOMPRESSOR COMPONENTS - CONT’D FIG. 44 - COMPRESSOR COMPONENTSExcessive 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 DataYORK INTERNATIONAL This page intentionally left blankFORM 201.19-NM1 Display Keys - see Section CHILLER CONTROL PANEL PROGRAMMING AND DATA ACCESS KEYSMicro Panel Contents Status Key - see Section1. INTRODUCTION & PHYSICAL DESCRIPTION Power Supply Board Micro Panel ContentsSystem Switches 1 Internal Clock & Memory Backup BatteryRelay Output Boards 2T This 75VA transformer supplies the 24VAC to the power supply board4T Supplies 24VAC power to the 2ACE Motor Protector Modules 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 ContentsFIG. 45 - MOTOR PROTECTION MODULE SIDE VIEWTOP VIEW SIDE VIEWRemote Start/Stop Micro Panel ContentsRemote Current Reset Remote Setpoint Temperature Reset FIG. 46 - COMPONENT LAYOUT Micro Panel Contents1.11 MICROPROCESSOR BOARD LAYOUT FIG. 47 - LOGIC SECTION LAYOUT Flow Switch & Customer Connection Terminals TB41.12 LOGIC SECTION LAYOUT 60 Hz Models 60 HZ MODEL LOGIC SECTION1.15 EVAPORATOR PUMP CONTROL Micro Panel Contents1.13 ANTI-RECYCLE TIMER 1.14 ANTI-COINCIDENCE TIMER1.21 LEAD / LAG COMPRESSOR SELECTION 1.19 ALARMS1.20 RUN STATUS CHILLER 1.22 ECONOMIZER SOLENOID CONTROL Micro Panel ContentsThe micro utilizes the formula below to compute pres- sure ratio PR = DP in PSIG+14.7 SP in PSIG+14.7ECONOMIZER HX PROCESS AND INSTRUMENTATION DIAGRAMFIG. 47A - PROCESS AND INSTRUMENTATION DIAGRAM Unit Switch OFF 2. STATUS KEY GENERAL STATUS MESSAGES & FAULT WARNINGSMicro Panel Contents 2.5 Chiller Fault Status Messages 2.6 System Fault Status MessagesLow Battery Warning System Switches OFFAnti-Recycle Timers Anti-Coincidence TimersIncorrect Refrigerant Warning Micro Panel ContentsPower Failure Warning Pump DownLow Leaving Chilled Liquid Temperature Cutout Suction Temperature LimitingLow Ambient Temperature Cutout High Ambient Temperature CutoutHigh Discharge Pressure Cutout Micro Panel ContentsFlow Switch Open High Discharge Temperature CutoutThe Low Suction Pressure Cutout aids in protecting the High Oil Temperature CutoutLow Oil Differential Pressure Cutout Low Suction Pressure CutoutFLA 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 Closed Micro Panel ContentsSWITCH 1 Water / Glycol Cooling Open SWITCH 2 Ambient Temp. Range Low Ambient Cutout OpenSWITCH 5 Motor Current Average option start-up Open SWITCH 3 Refrigerant OpenSWITCH 4 Unit Type Open Dip Switch Physical Location and SettingSWITCH 8 Standard Options Open Micro Panel ContentsSWITCH 6 Heat Recovery Open SWITCH 7 Expansion Valve Type OpenCommon Data 4. PRINT KEYSYCAS 2 System Models 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 ContentsBE IN YCAS MODE DISABLEDChiller Data will not appear Micro Panel ContentsSystem Data This message indicates the EEV preheat % and the suc- tion superheat An example of the HISTORY Printout is shown be- low Micro Panel Contents4.7 FAULT HISTORY DATA - REMOTE PRINTOUT 5.2 NUMERICAL KEYPAD 5. ENTRY KEYS5.4 CANCEL KEY 5.1 GENERALceptable 6. SETPOINTS KEYS & CHILLED LIQUID CONTROLMicro Panel Contents User acCompressor Starting & Loading Sequence Load TimersSlide Valve Control Slide Valve PositionPercentage of Motor Micro Panel ContentsTimer Counts to ANTICIPATORY LOAD LIMITING CONTROLSANTICIPATORY UNLOADING CONTROLS DISCHARGE TEMPERATURE ANTICIPATORY SHUTDOWN CONTROLOIL TEMPERATURE ANTICIPATORY SHUTDOWN CONTROL 6.4 REMOTE COOLING SETPOINTS KEY Micro Panel Contents6.3 LOCAL COOLING SETPOINTS KEY First press the 7. CLOCK KEYSkey can only be pressed Micro Panel Contents7.4 MANUAL OVERRIDE KEY High Discharge Pressure Cut-Out 8. PROGRAM KEYMicro Panel Contents 60/3 + High Discharge Pressure Unload PointLow Suction Pressure Cutout Programmed X Run Time/3 + Cutout100Low Leaving Liquid Temperature Cutout Micro Panel ContentsHigh Ambient Temperature Cutout Low Ambient Temperature CutoutAutomatic/Manual “Lead/Lag” Anti-Recycle TimeLocal/Remote Communications Imperial/SI Units DisplayAutomatic/Manual Power Failure Restart Micro Panel ContentsLow Limit DefaultProgram Value ModeIN OUT 8.4 ELECTRONIC EXPANSION VALVEMicro Panel Contents EEV OPERATION 8.5 EEV OPERATIONMOP FEATURE VALVE PREHEAT FEATUREOPERATING DATA DISPLAYS Micro Panel ContentsLOW SUPERHEAT CUTOUT SAFETY SENSOR FAILURE CUTOUT SAFETY8.6 EEV PROGRAMMING The system shuts down on Low Superheat 8.7 EEV TROUBLESHOOTINGMicro Panel Contents The system shuts down on Low Suction PressureFIG. 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 TABLE 6 - YCAS STYLE G, ACROSS THE LINE START - 60 HZ Micro Panel ContentsIndicates one lead/phase through motor protector 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 OUTPUT ENABLE Micro Panel ContentsSERVICE MODE VIEWING INPUTS AND OUTPUTS Pressure Transducers 8.10 SENSOR CALIBRATION CHARTSAmbient Temperature Sensor Oil & Discharge Temperature SensorsTABLE 8 - DIGITAL OUTPUTS 8.11 CONTROL INPUTS/OUTPUTSMicro Panel Contents TABLE 9 - ANALOG INPUTS ANALOG INPUTSANALOG OUTPUTS Micro Panel ContentsDIGITAL INPUTS TABLE 10 - DIGITAL INPUTSTRANSMITTED DATA 8.12 ISN CONTROLRECEIVED DATA CONTROL DATA TABLE 13 - ISN TRANSMITTED DATA CONTD Micro Panel ContentsTABLE 13 - ISN TRANSMITTED DATA CONTD TABLE 14 - ISN OPERATIONAL AND FAULT CODES Micro Panel ContentsYORK INTERNATIONAL This page intentionally left blankFORM 201.19-NM1 Maintenance MAINTENANCEOVERALL UNIT INSPECTION Scheduled MaintenanceON-BOARD BATTERY BACK-UP Chiller / Compressor Operating Log196 Operating Log COMPRESSOR UNIT OPERATIONMaintenance Operating CHILLER/COMPRESSORYORKINTERNATIONAL MAINTENANCE REQUIREMENTS FOR YORK YCAS SCREW CHILLERSMINOR SERVICE GENERAL PERIODIC MAINTENANCE CHECKS STANDARD UNITSMaintenance SERVICE SCHEDULERecommended Compressor Oils SPARE PARTSFor Parts, Service, or Sales Call Toll Free 1-866-YORK SRV Recommended SparesTroubleshooting TROUBLESHOOTING GUIDEACTION TROUBLESHOOTING GUIDE - CONT’DPROBLEM POSSIBLEWARRANTY ON RECONDITIONED OR REPLACEMENT MATERIALS LIMITED WARRANTY YORK AMERICAS ENGINEERED SYSTEMSTroubleshooting WARRANTY ON NEW EQUIPMENTPressure Conversion Chart Gauge or Differential TEMPERATURE CONVERSION CHARTTemperature Conversion Chart Actual Temperatures Temperature Conversion Chart Differential TemperaturesALL RIGHTS RESERVED Form 201.19-NM1 204 New ReleaseTele Subject to change without notice. Printed in USA

York YCAS0130 manual This page intentionally left blank, FORM 201.19-NM1, York International

Models: YCAS0130