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Carrier installation instructions Wiring Schematics-50CRThree Phase, A05259

Models: 50CR

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A05259

50CR

5.0

A05259

Fig. 16 - Wiring Schematics-50CR Three Phase

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Carrier installation instructions Wiring Schematics-50CRThree Phase, A05259

Contents

Sizes Installation InstructionsTABLE OF CONTENTS 50CRELECTRICAL SHOCK HAZARD SAFETY CONSIDERATIONSRECEIVING AND INSTALLATION Step 1-CheckEquipment 50CRRoof Curb for Large Cabinet Fig. 2 - Roof Curb Dimensions50CR Roof Curb for Small Cabinet50CR Fig. 5 - Corner Weights LbsCORNER WEIGHTS SMALL CABINET CORNER WEIGHTS LARGE CABINETFig. 6 - 50CR024-036Unit Dimensions 50CRA05299 Fig. 7 - 50CR042-060Unit Dimensions 50CRA05300 UNIT FALLING HAZARD 50CRStep 4-Rigand Place Unit ELECTRICAL SHOCK HAZARDFig. 9 - Suggested Rigging MAXIMUM SHIPPING WEIGHT50CR Fig. 8 - Rigging Bracket Under Unit Rain LipELECTRICAL SHOCK HAZARD Step 5-Selectand Install Ductwork50CR ELECTRICAL OPERATION HAZARDTable 1-PhysicalData - Unit 50CR Fig. 10 - Typical InstallationFROM POWER SOURCE DISCONNECT PER NEC 50CRFig. 12 - Condensate Trap Step 7-InstallElectrical Connections50CR Fig. 11 - 50CR with Duct Covers OnTable 2-Electrical Data-50CR 50CRFig. 13 - Electrical Data Legend Fig. 14 - Control Voltage Wiring ConnectionsLEGEND Field Control-VoltageWiring 50CRFig. 15 - Wiring Schematics-50CRSingle Phase 50CRA05304 Fig. 16 - Wiring Schematics-50CRThree Phase 50CRA05259 Fig. 17 - Line Power Connections 50CRFig. 18 - Control Plate FIRE, EXPLOSION, ELECTRICAL SHOCK HAZARD 50CRFig. 19 - Detail of Printed Circuit Board PRE-START-UPC. ECM Motor Troubleshooting 50CRELECTRICAL SHOCK HAZARD STATUS CODE 25, INVALID MOTOR / MODEL SELECTION 50CRStep 3-Checkfor Refrigerant Leaks Step 4-Start-UpAdjustments50CR Step 2-Sequenceof Operation50CR Step 5-DefrostControl 50CRTable 4-FilterPressure Drop Table in. wg 50CRFig. 22 - Cooling Charging Table-Subcooling Table 3-ECMWet Coil Pressure Drop in. wgLarge Cabinet MAINTENANCE50CR Table 6-ElectricHeat Pressure Drop TableStep 1—AirFilter Step 5-ElectricalControls and WiringInfinity Top 50CRBalance Point Worksheet Step 13-RefrigerantSystem Step 11-High-PressureSwitch50CR EXPLOSION, FIRE, ELECTRICAL SHOCK HAZARDStep 14-SystemInformation Detail ATROUBLESHOOTING START-UPCHECKLISTS Observe all warnings, cautions, and bold text 50CRHEAT PUMP WITH PURON REFRIGERATION SECTION QUICK-REFERENCEGUIDETable 7-TroubleshootingChart 50CRContinued next page Table 7-TroubleshootingChart Cont’d 50CRIFM-IndoorFan Motor III.START-UPELECTRICAL START-UPCHECKLIST Remove and Store in Job File50CR I. Preliminary Information