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Trane Series R Air-Cooled Helical Rotary Liquid Chillers, RTAC 140-500 ton units (60 Hz) manual 246

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 246

Contents

Models Series R Air-Cooled Helical Rotary Liquid ChillersJanuary 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 137 106126 144149 155165 General Information Literature HistoryUnit Identification Nameplates Loose Parts Inventory Inspection ChecklistUnit Inspection 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 Nameplates Installation MechanicalInstallation Responsibilities Outdoor Unit NameplateGeneral Setting the UnitStorage 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 Drainage Evaporator DamageUnit Isolation and Leveling Evaporator Water PipingEntering Chilled Water Piping Evaporator Flow SwitchUse Piping Strainers Leaving Chilled Water PipingEvaporator Water Pressure Drop Rtac 140 250 Ton Evaporator Water Pressure DropProper Water Treatment Evaporator Water Pressure Drop Rtac 250 500 TonWater-Side Pressure Drop vs Flow Rate Water Pressure Gauges Suggested Piping for Typical Rtac EvaporatorWater Pressure Relief Valves ProcedureShell Damage Freeze ProtectionSpecials Glycol Recommendations Recommended Low Evaporator Refrigerant Cutout and % GlycolInstallation Mechanical Remote Evaporator Option System Configuration and Interconnecting Refrigerant PipingEquipment Damage 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 SizingSuction Line Sizing Steps Example Suction Line SizingTon circuit 85ton circuit Suction Accumulator Sizing Piping Installation ProceduresHazardous Gas Example of Suction Accumulator Line SizingRefrigerant Pressure Relief Valve Venting Hazardous GasesRefrigerant Sensors Leak Test and EvacuationHazard of Explosion Remote EvaporatorRefrigerant and Additional Oil Charge Refrigerant Charge DeterminationOil Charge Determination Use Copper Conductors Only Installation ElectricalHazardous Voltage w/Capacitors 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 PanelChilled Water Flow Pump Interlock Interconnecting WiringHeat Tape 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 Chilled Water Setpoint Ecws Option External Current Limit Setpoint Ecls OptionChilled Water Reset CWR Wiring Examples for Ecls and EcwsReturn OutdoorWhere Communications Interface options Installation RecommendationsWire Size Maximum Length of Communication Wire Optional Tracer Communications InterfaceOutputs Variable type SNVTType Operating Principles Refrigeration CycleR134a System Schematic Refrigerant R134a CompressorCondenser and Subcooler Expansion Valve EvaporatorOil System KEY Controls Interface Controls InterfaceCH530 Communications Overview DynaView InterfaceRadio Buttons Cancel Hot LinksKey Functions 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 Chiller Screen Description Resolution Units Chiller ScreenCompressor Screen Compressor Screen Description Resolution Units Refrigerant ScreenRefrigerant Screen Description Resolution Units Setpoint Screen Description Resolution or Text UnitsSetpoint Screen Diagnostic Screen Setpoint Options/Conditions DisplayedOption Conditions Explanation Units Power-UpDisplay Formats 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 ViewSoftware Download Replacing or Adding DevicesInstructions for First Time TechView Users 125 Diagnostics 5EF127 128 129 130 131 132 133 134 135 136 Receiving Installation ChecklistPre-Start Checkout Unit Location and MountingInformation in Interconnecting Wiring Electrical WiringLive Electrical Components Connections Compressor DamageUnit Voltage Power Supply Unit Voltage Imbalance Unit Voltage PhasingPhase Seq. Lead Terminal Water System Flow RatesWater System Pressure Drop CH530 Set-Up Unit Start-Up Procedures Daily Unit Start-UpSeasonal Unit Start-Up Procedure RefrigerantSystem Restart After Extended Shutdown Chilled Water Pump Unit Shutdown ProceduresExtended Shutdown Procedure Temporary Shutdown And RestartUnit Shutdown Procedure Disconnect PowerMonthly Maintenance Periodic MaintenanceWeekly Maintenance Annual MaintenanceHazardous Voltage w/Capacitors Rtac Start-up Test Log Circuit 1 Control Circuit ControlCompressor 1A Tab Compressor 1B Tab Chiller TabCircuit 1 Tab Circuit 2 Tab CommentsCompressor 2A Tab Compressor 2B Tab Maintenance Procedures Refrigerant and Oil Charge ManagementR134a Field Charging Procedure Field Refrigerant Charging ProcedureHigh side charge isolation procedure Charge Isolation in the high or low side of systemAdding charge Low side charge isolation procedure Returning unit to running conditionRefrigerant Filter Replacement Procedure Oil Charging ProcedureLubrication System 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