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Trane Series R Air-Cooled Helical Rotary Liquid Chillers, RTAC 140-500 ton units (60 Hz) manual 237

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 Series R Air-Cooled Helical Rotary Liquid Chillers, RTAC 140-500 ton units (60 Hz) manual 237

Contents

January Series R Air-Cooled Helical Rotary Liquid ChillersModels Rtac 140-500 ton units 60 Hz Rtac 140-400 ton units 50 HzEnvironmental Concerns Responsible Refrigerant PracticesContains Refrigerant Table of Contents Installation Electrical Operating PrinciplesControls Interface 126 106137 144149 155165 General Information Literature HistoryUnit Identification Nameplates Unit Inspection Inspection ChecklistLoose Parts Inventory Unit DescriptionTypical Rtac Unit STD General Data 140-250 Ton 60 Hz Units Standard EfficiencyGeneral Data 275- 500 Ton 60 Hz Units Standard Efficiency High General Data 140-400 Ton 60 Hz Units High EfficiencyGeneral 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 Unit Model Number Model Number Coding SystemCoop Installation Responsibilities Installation MechanicalNameplates Outdoor Unit NameplateStorage Setting the UnitGeneral 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 Unit Isolator Locations Isolation and Sound EmissionNoise Considerations Clearances FoundationRecommended Unit Clearances 18-21 foot bases Recommended Evaporator Clearance Unit Isolation and Leveling Evaporator DamageDrainage Evaporator Water PipingUse Piping Strainers Evaporator Flow SwitchEntering Chilled Water Piping Leaving Chilled Water PipingEvaporator Water Pressure Drop Evaporator Water Pressure Drop Rtac 140 250 TonProper Water Treatment Evaporator Water Pressure Drop Rtac 250 500 TonWater-Side Pressure Drop vs Flow Rate Suggested Piping for Typical Rtac Evaporator Water Pressure GaugesShell Damage ProcedureWater Pressure Relief Valves Freeze ProtectionSpecials Recommended Low Evaporator Refrigerant Cutout and % Glycol Glycol RecommendationsInstallation Mechanical Remote Evaporator Option System Configuration and Interconnecting Refrigerant PipingEquipment Damage Installation Mechanical Remote Evaporator Option Remote Evaporator Installations Circuit Identification Rtac 140-250 Ton Rem ote Evaporator Liquid Line Sizes Line SizingLiquid Line Sizing Steps Example Liquid Line Sizing Required Length of Field Installed Suction AccumulatorSuction Line Sizing Steps Example Suction Line SizingTon circuit 85ton circuit Hazardous Gas Piping Installation ProceduresSuction Accumulator Sizing Example of Suction Accumulator Line SizingRefrigerant Sensors Hazardous GasesRefrigerant Pressure Relief Valve Venting Leak Test and EvacuationRemote Evaporator Hazard of ExplosionRefrigerant Charge Determination Refrigerant and Additional Oil ChargeOil Charge Determination Hazardous Voltage w/Capacitors Installation ElectricalUse 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 Power Supply Wiring Installer-Supplied ComponentsStarter Panel Control Power SupplyHeat Tape Interconnecting WiringChilled Water Flow Pump Interlock Chilled Water Pump ControlAlarm and Status Relay Outputs Programmable Relays Low Voltage Wiring Relay Assignments Using TechViewDefault Assignments Relay External Auto/Stop External Circuit Lockout Circuit #1 and Circuit #2Ice Building Option External Current Limit Setpoint Ecls Option External Chilled Water Setpoint Ecws OptionWiring Examples for Ecls and Ecws Chilled Water Reset CWRReturn OutdoorWhere Wire Size Maximum Length of Communication Wire Installation RecommendationsCommunications Interface options Optional Tracer Communications InterfaceOutputs Variable type SNVTType Operating Principles Refrigeration CycleR134a System Schematic Refrigerant R134a CompressorCondenser and Subcooler Expansion Valve EvaporatorOil System KEY CH530 Communications Overview Controls InterfaceControls Interface DynaView InterfaceKey Functions Cancel Hot LinksRadio Buttons Spin Value ButtonsBasic Screen Format Display ScreensFront Panel Display During Cold Ambients Front Panel Lockout FeatureModes Chiller Modes ScreenChiller 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 Chiller Screen Description Resolution Units Chiller ScreenCompressor Screen Refrigerant Screen Compressor Screen Description Resolution UnitsRefrigerant Screen Description Resolution Units Setpoint Screen Description Resolution or Text UnitsSetpoint Screen Diagnostic Screen Setpoint Options/Conditions DisplayedOption Conditions Explanation Display Formats Power-UpUnits LanguagesTechView Unit View Minimum PC requirements to install and operate TechView108 Compressor Service View Status View Status ViewRLA Status View Items Tab Text Units112 Setpoint View Setpoint ViewSetpoint Numeric Panel 115 116 Diagnostic View Diagnostics ViewConfiguration View Configuration ViewConfiguration View Items Tab Default Description 120 121 Software View Software ViewBinding View Binding ViewSoftware Download Replacing or Adding DevicesInstructions for First Time TechView Users 125 5EF Diagnostics127 128 129 130 131 132 133 134 135 136 Pre-Start Checkout Installation ChecklistReceiving Unit Location and MountingInformation in Interconnecting Wiring Electrical WiringLive Electrical Components Compressor Damage ConnectionsUnit Voltage Power Supply Unit Voltage Phasing Unit Voltage ImbalancePhase Seq. Lead Terminal Water System Flow RatesWater System Pressure Drop CH530 Set-Up Daily Unit Start-Up Unit Start-Up ProceduresRefrigerant Seasonal Unit Start-Up ProcedureSystem Restart After Extended Shutdown Extended Shutdown Procedure Unit Shutdown ProceduresChilled Water Pump Temporary Shutdown And RestartDisconnect Power Unit Shutdown ProcedureWeekly Maintenance Periodic MaintenanceMonthly Maintenance Annual MaintenanceHazardous Voltage w/Capacitors Rtac Start-up Test Log Circuit Control Circuit 1 ControlCircuit 1 Tab Circuit 2 Tab Chiller TabCompressor 1A Tab Compressor 1B Tab CommentsCompressor 2A Tab Compressor 2B Tab Refrigerant and Oil Charge Management Maintenance ProceduresField Refrigerant Charging Procedure R134a Field Charging ProcedureHigh side charge isolation procedure Charge Isolation in the high or low side of systemAdding charge Returning unit to running condition Low side charge isolation procedureRefrigerant Filter Replacement Procedure Oil Charging ProcedureLubrication System Oil System Schematic Factory initial Oil Charging Procedure Field Oil Charging Procedure Compressor Replacement Evaporator tube replacementHazardous Voltage Drawing Number Description Unit Wiring166 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