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Trane RTAC 140-400 ton units (50 HZ), Series R Air-Cooled Helical Rotary Liquid Chillers manual 191

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 191

Contents

Rtac 140-500 ton units 60 Hz Rtac 140-400 ton units 50 Hz Series R Air-Cooled Helical Rotary Liquid ChillersJanuary ModelsContains Refrigerant Environmental ConcernsResponsible Refrigerant Practices Table of Contents Controls Interface Installation ElectricalOperating Principles 144 106126 137165 149155 Unit Identification Nameplates General InformationLiterature History Unit Description Inspection ChecklistUnit Inspection Loose Parts InventoryTypical 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 Outdoor Unit Nameplate Installation MechanicalInstallation Responsibilities NameplatesLocation Requirements Setting the UnitStorage GeneralLifting 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 Evaporator Water Piping Evaporator DamageUnit Isolation and Leveling DrainageLeaving Chilled Water Piping Evaporator Flow SwitchUse Piping Strainers Entering Chilled Water PipingEvaporator Water Pressure Drop Evaporator Water Pressure Drop Rtac 140 250 TonWater-Side Pressure Drop vs Flow Rate Proper Water TreatmentEvaporator Water Pressure Drop Rtac 250 500 Ton Suggested Piping for Typical Rtac Evaporator Water Pressure GaugesFreeze Protection ProcedureShell Damage Water Pressure Relief ValvesSpecials Recommended Low Evaporator Refrigerant Cutout and % Glycol Glycol RecommendationsEquipment Damage Installation Mechanical Remote Evaporator OptionSystem Configuration and Interconnecting Refrigerant Piping 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 AccumulatorTon circuit 85ton circuit Suction Line Sizing StepsExample Suction Line Sizing Example of Suction Accumulator Line Sizing Piping Installation ProceduresHazardous Gas Suction Accumulator SizingLeak Test and Evacuation Hazardous GasesRefrigerant Sensors Refrigerant Pressure Relief Valve VentingRemote Evaporator Hazard of ExplosionRefrigerant Charge Determination Refrigerant and Additional Oil ChargeOil Charge Determination General Recommendations Installation ElectricalHazardous Voltage w/Capacitors Use Copper Conductors OnlyHacr 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 SupplyChilled Water Pump Control Interconnecting WiringHeat Tape Chilled Water Flow Pump InterlockAlarm 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 Current Limit Setpoint Ecls Option External Chilled Water Setpoint Ecws OptionWiring Examples for Ecls and Ecws Chilled Water Reset CWRWhere ReturnOutdoor Optional Tracer Communications Interface Installation RecommendationsWire Size Maximum Length of Communication Wire Communications Interface optionsOutputs Variable type SNVTType R134a Operating PrinciplesRefrigeration Cycle System Schematic Condenser and Subcooler Refrigerant R134aCompressor Oil System Expansion ValveEvaporator KEY DynaView Interface Controls InterfaceCH530 Communications Overview Controls InterfaceSpin Value Buttons Cancel Hot LinksKey Functions Radio 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 Compressor Screen Chiller Screen Description Resolution UnitsChiller Screen Refrigerant Screen Compressor Screen Description Resolution UnitsSetpoint Screen Refrigerant Screen Description Resolution UnitsSetpoint Screen Description Resolution or Text Units Option Conditions Explanation Diagnostic ScreenSetpoint Options/Conditions Displayed Languages Power-UpDisplay Formats UnitsTechView 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 ViewInstructions for First Time TechView Users Software DownloadReplacing or Adding Devices 125 5EF Diagnostics127 128 129 130 131 132 133 134 135 136 Unit Location and Mounting Installation ChecklistPre-Start Checkout ReceivingLive Electrical Components Information in Interconnecting WiringElectrical Wiring Compressor Damage ConnectionsUnit Voltage Power Supply Unit Voltage Phasing Unit Voltage ImbalanceWater System Pressure Drop Phase Seq. Lead TerminalWater System Flow Rates CH530 Set-Up Daily Unit Start-Up Unit Start-Up ProceduresRefrigerant Seasonal Unit Start-Up ProcedureSystem Restart After Extended Shutdown Temporary Shutdown And Restart Unit Shutdown ProceduresExtended Shutdown Procedure Chilled Water PumpDisconnect Power Unit Shutdown ProcedureAnnual Maintenance Periodic MaintenanceWeekly Maintenance Monthly MaintenanceHazardous Voltage w/Capacitors Rtac Start-up Test Log Circuit Control Circuit 1 ControlComments Chiller TabCircuit 1 Tab Circuit 2 Tab Compressor 1A Tab Compressor 1B TabCompressor 2A Tab Compressor 2B Tab Refrigerant and Oil Charge Management Maintenance ProceduresField Refrigerant Charging Procedure R134a Field Charging ProcedureAdding charge High side charge isolation procedureCharge Isolation in the high or low side of system Returning unit to running condition Low side charge isolation procedureLubrication System Refrigerant Filter Replacement ProcedureOil Charging Procedure 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