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Trane RTAC 140-400 ton units (50 HZ), Series R Air-Cooled Helical Rotary Liquid Chillers manual 248

Models: RTAC 140-400 ton units (50 HZ) RTAC 140-500 ton units (60 Hz) Series R Air-Cooled Helical Rotary Liquid Chillers

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Trane RTAC 140-400 ton units (50 HZ), Series R Air-Cooled Helical Rotary Liquid Chillers manual 248

Contents

Series R Air-Cooled Helical Rotary Liquid Chillers JanuaryModels Rtac 140-500 ton units 60 Hz Rtac 140-400 ton units 50 HzContains Refrigerant Environmental ConcernsResponsible Refrigerant Practices Table of Contents Controls Interface Installation ElectricalOperating Principles 106 126137 144165 149155 Unit Identification Nameplates General InformationLiterature History Inspection Checklist Unit InspectionLoose Parts Inventory Unit DescriptionTypical Rtac Unit General Data 140-250 Ton 60 Hz Units Standard Efficiency STDGeneral Data 275- 500 Ton 60 Hz Units Standard Efficiency General Data 140-400 Ton 60 Hz Units High Efficiency HighGeneral Data 120-400 Ton 50 Hz Units-Standard Efficiency General Data 120-400 Ton 50 Hz Units-High Efficiency General Information RTAC-SVX01F-EN Unit Dimensions 225-250 Ton High Efficiency, 60 Hz RTAC-SVX01F-EN RTAC-SVX01F-EN Unit Dimensions 300 Ton High Efficiency, 50 and 60 Hz RTAC-SVX01F-EN RTAC-SVX01F-EN RTAC-SVX01F-EN RTAC-SVX01F-EN RTAC-SVX01F-EN Model Number Coding System Unit Model NumberCoop Installation Mechanical Installation ResponsibilitiesNameplates Outdoor Unit NameplateSetting the Unit StorageGeneral Location RequirementsLifting the Unit Package and Remote 30-36-foot Base Aluminum Fins Copper Fins Installation Mechanical Remote Evaporator Aluminum Fins Remote Evaporator Copper Fins Isolation and Sound Emission Unit Isolator LocationsNoise Considerations Foundation ClearancesRecommended Unit Clearances 18-21 foot bases Recommended Evaporator Clearance Evaporator Damage Unit Isolation and LevelingDrainage Evaporator Water PipingEvaporator Flow Switch Use Piping StrainersEntering Chilled Water Piping Leaving Chilled Water PipingEvaporator Water Pressure Drop Rtac 140 250 Ton Evaporator Water Pressure DropWater-Side Pressure Drop vs Flow Rate Proper Water TreatmentEvaporator Water Pressure Drop Rtac 250 500 Ton Water Pressure Gauges Suggested Piping for Typical Rtac EvaporatorProcedure Shell DamageWater Pressure Relief Valves Freeze ProtectionSpecials Glycol Recommendations Recommended Low Evaporator Refrigerant Cutout and % GlycolEquipment Damage Installation Mechanical Remote Evaporator OptionSystem Configuration and Interconnecting Refrigerant Piping Installation Mechanical Remote Evaporator Option Remote Evaporator Installations Circuit Identification Line Sizing Rtac 140-250 Ton Rem ote Evaporator Liquid Line SizesLiquid Line Sizing Steps Required Length of Field Installed Suction Accumulator Example Liquid Line SizingTon circuit 85ton circuit Suction Line Sizing StepsExample Suction Line Sizing Piping Installation Procedures Hazardous GasSuction Accumulator Sizing Example of Suction Accumulator Line SizingHazardous Gases Refrigerant SensorsRefrigerant Pressure Relief Valve Venting Leak Test and EvacuationHazard of Explosion Remote EvaporatorRefrigerant and Additional Oil Charge Refrigerant Charge DeterminationOil Charge Determination Installation Electrical Hazardous Voltage w/CapacitorsUse Copper Conductors Only General RecommendationsHacr Unit Wiring Motor Data Max. Fuse 300 450 FLA Rtac Unit Wiring Motor Data Max. Fuse Compressor Each 575/60/3 200/60/3 Rec. Time Power Breaker or 200/60/3 960 1200 386-386 2156-2156 701-701 200/60/3 960522 1200/800 1200/700 200/60/3 960/960 1200/1200 12001200 Installer-Supplied Components Power Supply WiringControl Power Supply Starter PanelInterconnecting Wiring Heat TapeChilled Water Flow Pump Interlock Chilled Water Pump ControlAlarm and Status Relay Outputs Programmable Relays Default Assignments Relay Low Voltage WiringRelay Assignments Using TechView Ice Building Option External Auto/StopExternal Circuit Lockout Circuit #1 and Circuit #2 External Chilled Water Setpoint Ecws Option External Current Limit Setpoint Ecls OptionChilled Water Reset CWR Wiring Examples for Ecls and EcwsWhere ReturnOutdoor Installation Recommendations Wire Size Maximum Length of Communication WireCommunications Interface options Optional Tracer Communications InterfaceOutputs Variable type SNVTType R134a Operating PrinciplesRefrigeration Cycle System Schematic Condenser and Subcooler Refrigerant R134aCompressor Oil System Expansion ValveEvaporator KEY Controls Interface CH530 Communications OverviewControls Interface DynaView InterfaceCancel Hot Links Key FunctionsRadio Buttons Spin Value ButtonsDisplay Screens Basic Screen FormatFront Panel Lockout Feature Front Panel Display During Cold AmbientsModes Screen Modes ChillerChiller Modes Description Top Level Mode Sub-modes Controls Interface Circuit Modes Description Top Level Mode Sub-modes Controls Interface Compressor Modes Description Top Level Mode Sub-modes Compressor Screen Chiller Screen Description Resolution UnitsChiller Screen Compressor Screen Description Resolution Units Refrigerant ScreenSetpoint Screen Refrigerant Screen Description Resolution UnitsSetpoint Screen Description Resolution or Text Units Option Conditions Explanation Diagnostic ScreenSetpoint Options/Conditions Displayed Power-Up Display FormatsUnits LanguagesTechView Minimum PC requirements to install and operate TechView Unit View108 Compressor Service View Status View Status ViewStatus View Items Tab Text Units RLA112 Setpoint View Setpoint ViewSetpoint Numeric Panel 115 116 Diagnostics View Diagnostic ViewConfiguration View Configuration ViewConfiguration View Items Tab Default Description 120 121 Software View Software ViewBinding View Binding ViewInstructions for First Time TechView Users Software DownloadReplacing or Adding Devices 125 Diagnostics 5EF127 128 129 130 131 132 133 134 135 136 Installation Checklist Pre-Start CheckoutReceiving Unit Location and MountingLive Electrical Components Information in Interconnecting WiringElectrical Wiring Connections Compressor DamageUnit Voltage Power Supply Unit Voltage Imbalance Unit Voltage PhasingWater System Pressure Drop Phase Seq. Lead TerminalWater System Flow Rates CH530 Set-Up Unit Start-Up Procedures Daily Unit Start-UpSeasonal Unit Start-Up Procedure RefrigerantSystem Restart After Extended Shutdown Unit Shutdown Procedures Extended Shutdown ProcedureChilled Water Pump Temporary Shutdown And RestartUnit Shutdown Procedure Disconnect PowerPeriodic Maintenance Weekly MaintenanceMonthly Maintenance Annual MaintenanceHazardous Voltage w/Capacitors Rtac Start-up Test Log Circuit 1 Control Circuit ControlChiller Tab Circuit 1 Tab Circuit 2 TabCompressor 1A Tab Compressor 1B Tab CommentsCompressor 2A Tab Compressor 2B Tab Maintenance Procedures Refrigerant and Oil Charge ManagementR134a Field Charging Procedure Field Refrigerant Charging ProcedureAdding charge High side charge isolation procedureCharge Isolation in the high or low side of system Low side charge isolation procedure Returning unit to running conditionLubrication System Refrigerant Filter Replacement ProcedureOil Charging Procedure Oil System Schematic Factory initial Oil Charging Procedure Field Oil Charging Procedure Evaporator tube replacement Compressor ReplacementHazardous Voltage Unit Wiring Drawing Number Description166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 Page RTAC-SVX01F-EN