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FORM 201.19-NM1 (204)

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YORK INTERNATIONAL

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Contents

AIR-COOLED Screw Liquid Chillers INSTALLATION, Operation & Maintenance New Release XXXXX-XXX Changeability of this Document Safety Symbols General Safety Guidelines Table of Contents Table of Contents CONT’D Micro Panel Contents List of Tables Maintenance List of Figures Dimensions SI Standards for Safety General Chiller Information & Safety Suitability for Application General AccessStructural Support Mechanical Strength Rotating Parts High Temperature and Pressure CleaningSharp Edges Refrigerants and Oils Product Description General DescriptionCompressor Condenser Evaporator Economizer Power and Control PanelOil Separator/System Oil Cooling Control section contains Each power compartment containsOptions sections contain Microprocessor Controls Motor Protection Modules 2ACE Current OverloadHaxxx Current Imbalance Loaded & Unloaded/ Loss of Phase Improper Phase SequenceThermal Overload Ycas Style G, ACROSS-THE-LINE 60 HZ Motor Protector DIP Switch Setting Motor Protector DIP Switch Setting CONT’D Ycas Style G, WYE Delta Start 60 HZ 321 126 279 109 Display Single-Point Power Connection without Circuit Protection Multiple Point Power Connection StandardProgram Control Circuit Terminal Block Following options provide added protection Basic Part Number Data Examples Product Identification Number PIN Handling and Storage Lifting Weights Lifting Lugs Unit Rigging Installation Installation General Requirements Installation Water Treatment Optional Flanges Weld FlangeD5 = 1.447 x L Units with Single-Point Power Supply Wiring Flow Switch Alarm ContactsRemote Setpoint Offset Temperature Remote Emergency Stop Device Power Panel Section Power Panel Layouts Typical Option Panel Section Option Panel Layout Typical Logic Section Layout Hz ModelsDescription Logic Section Layout with Control Panel Logic Section Layout with Control Panel Customer Connections Customer Connections CB1, CB2, CB3 Commissioning Temperature Sensors Switch SettingsProgrammed Settings Compressor Heaters Interlocks System SwitchesStart-up Oil Pressure This page intentionally left blank Operation This page intentionally left blank Technical Data Glycol Correction FactorsGlycol Correction Example With YCAS0140 Temperature and Flows YcasMIN MAX Number Temperature C Ycas Model Leaving WaterAIR on Condenser C English Units Model Number Ycas Physical Data SI Units Model Number Ycas Operating Limitations English Units Operating Limitations and Sound Power Data Suitable for ∆ Start Across-The-Line-Start Electrical Data 719 PROTECTION13 Standard Optional NF Disc SW2 Model System #1 System #2 Volts Compressor Data Chiller FIELD-SUPPLIED Wiring Field Provided Power Supply 107 RLA X-LRA QTY Suitable for Across-The-Line-Start Compressor Model and Voltage Code DXS45LA Motor Code a Compressor DataVoltage Code MAX Amps Voltage Code Electrical Notes This page intentionally left blank Wiring Diagram ACROSS-THE-LINE Start Wiring Diagram LD09233 Elementary Diagram ACROSS-THE-LINE Start Elementary Diagram Controlpower Supply WYE-DELTA Start Elementary Diagram WYE-DELTA Start Elementary Diagram Controlpower Supply Power Panel System #1 Component Locations Control Panel Component Location Power Panel System #2 Component Locations LD09241 ACE Motor Protector Module Connection Diagram System Wiring Compressor Terminal BOX Elementary Diagram Control Circuit #3/#4 #5/#6 #7/#8 #9/#10 This page intentionally left blank Models Dimension Dimensions YCAS0130 YCAS0180 English Center of Gravity Alum Model YCAS0130 0180 Dimensions SI Dimensions YCAS0130 YCAS0180 SI 2573.0 1127.8 Model YCAS0200 YCAS0230 Dimensions English Dimensions YCAS0200 YCAS0230 English 119.4 43.2 38.0 Model YCAS0200 YCAS0230 Dimensions SI Dimensions YCAS0200 YCAS0230 SI 3032.8 Clearances Aluminium and Black Fin Condenser Coils Weight Distribution and Isolator Mounting Positions Color Isolator MAX Load Defl Spring Type & Size Isolator MAX Load Defl Type & Size Type Awmr Isolator Details Type Color MAX. Load Deflection Copper Fin Condenser Coils Copper FIN Condenser Coils Weight Distribution by Model LBS 544.3 29.7 50-553 250 1021.5 Aluminium Fin Condenser Coils With Silencer Kit Aluminum FIN Coil Weight Distribution by Model LBS 100 101 102 Aluminum Fin Condenser Coils 103 Copper Fin Condenser Coils with Silencer Kit 104 105 106 107 108 Refrigerant Flow Diagram 109 Process and Instrumentation Diagram 110 Component Locations 111 Compressor Components 112 Compressor Components CONT’D 113 114 Part Name 115 116 System Startup Checklist Power on Both System Switches OFF Switch Switch Open Switch Closed Setting118 SYS 119 120 121 Chiller Control Panel Programming and Data Access Keys 123 Introduction & Physical Description Internal Clock & Memory Backup Battery System Switches 1Power Supply Board Expansion Board 125 Relay Output Boards 126 Side View TOP View127 Remote Current Reset Remote Start/Stop128 129 Remote Setpoint Temperature Reset Designation Description 130 131 132 133 134 135 Unit Switch OFF Status KEY General Status Messages & Fault WarningsRemote Controlled Shutdown Schedule Shutdown Anti-Recycle Timers System Switches OFFAnti-Coincidence Timers Low Battery Warning Pump Down Power Failure WarningIncorrect Refrigerant Warning Incorrect Unit Type Warning Low Ambient Temperature Cutout Suction Temperature LimitingHigh Ambient Temperature Cutout Low Leaving Chilled Liquid Temperature Cutout High Discharge Temperature Cutout Flow Switch OpenHigh Oil Differential Pressure Cutout 140 High Oil Temperature Cutout Low Oil Differential Pressure CutoutLow Suction Pressure Cutout 142 High Compressor Motor Current Cutout 143 Low Evaporator Temperature Cutout R407C Only 144 Display Keys & Option Switches MIN. Limit MAX. Limit 145 Switch 2 Ambient Temp. Range Low Ambient Cutout Open Switch 1 Water / Glycol Cooling OpenClosed 146 Switch 4 Unit Type Open Switch 3 Refrigerant OpenDip Switch Physical Location and Setting Switch 5 Motor Current Average option start-up Open Switch 7 Expansion Valve Type Open Switch 6 Heat Recovery OpenSwitch 8 Standard Options Open 148 Ycas 2 System Models Print KeysCommon Data 149 None System DataISN 150 151 152 153 Chiller Data 154 155 156 Entry Keys Keys157 158 Setpoints Keys & Chilled Liquid Control Slide Valve Control Load TimersSlide Valve Position Compressor Starting & Loading Sequence 160 161 162 163 Clock Keys 164 165 Program KEY High Discharge Pressure Cut-Out166 167 High Discharge Pressure Unload Point Low Leaving Liquid Temperature Cutout High Motor Current Unload Point168 Imperial/SI Units Display Local/Remote CommunicationsAutomatic/Manual Lead/Lag 169 170 Automatic/Manual Power Failure Restart 171 Program Value Mode Low Limit High Limit Default 172 Electronic Expansion Valve 173 EEV Operation EEV Output 174 EEV Programming Program Value Mode LOW Limit High Limit DefaultProgrammable Values Table MINIMUM/MAXIMUM 175 176 EEV Troubleshooting 177 Condenser FAN Control OFF 178 179 Service Mode Programmable Values Ycas Style G, Across the Line Start 60 HZ Code PER Phase System Voltage RLA Thru CT180 Chiller NO. Model Voltage Leads 181 Ycas Style G, Across the Line Start 60 HZ. Contd Ycas Style G, WYE Delta Start 60 HZ Nameplate Leads Point Code System RLA PER Phase Voltage182 Model Voltage Chiller NO. 183 Ycas Style G, WYE Delta Start 60 HZ. Contd 184 Ambient Temperature Sensor Sensor Calibration ChartsOil & Discharge Temperature Sensors Pressure Transducers Control INPUTS/OUTPUTS Digital Outputs186 187 Analog Inputs Digital Inputs Analog Outputs188 ISN Received Data ISN ControlISN Transmitted Data 189 190 ISN Transmitted Data Contd 191 192 ISN Operational and Fault Codes 193 Maintenance Daily/Weekly Maintenance194 Scheduled Maintenance Chiller / Compressor Operating Log195 Compressor Unit Operation 196 Operating LogFLA % Procedure Weekly Quarterly SEMI-ANNUALLY Yearly Every Maintenance Requirements for York Ycas Screw Chillers197 Hours General Periodic Maintenance Checks Standard Units Service Schedule Minor Service Major Service198 Recommended Spares Spare PartsRecommended Compressor Oils 199 Troubleshooting Guide Problem Possible Cause200 Troubleshooting Guide CONT’D Problem Possible Action201 Limited Warranty York Americas Engineered Systems ALL Warranties and Guarantees are Void if202 Temperature Conversion Chart Actual Temperatures Temperature Conversion ChartTemperature Conversion Chart Differential Temperatures Pressure Conversion Chart Gauge or Differential ALL Rights Reserved