Lennox International Inc CONDENSING UNITS Typical Factory Wiring Diagram Copeland Compressor

Page 20

CRANKCASE HEATER (HR1)

HIGH PRESSURE SWITCH (S4)

CRANKCASE THERMOSTAT (S40)

Figure 16. Typical Factory Wiring Diagram (Copeland Compressor)

Page 20

506645−01

Image 20

Contents Table of Contents Shipping and Packing ListGeneral Condensing UnitsUnit Dimensions − Inches mm Side ViewTypical Unit Parts Arrangement Model Number Identification AC X −024 − 230 −13Operating Manifold Gauge Set and Service Valves Using Manifold Gauge SETOperating Service Valves Torque Requirements11 12 98 7 6 Recovering Refrigerant from Existing System 1DISCONNECT PowerRecovering Refrigerant 2CONNECT Manifold Gauge SETNew Unit Placement Clearance on ALL Sides Minimum Clearance Above UnitMinimum Clearance Between TWO Units Positioning ConsiderationsRemoving and Installing Louvers Placing Unit on SlabRoof Mounting StepNew or Replacement Line Set Mineral oils are not compatible with HFC−410A. If oilInstallation Refrigerant Line SET AllingVertical Runs NEW Construction Shown Refrigerant Line SET From Vertical to HorizontalBrazing Connections Brazing Procedures 1CUT and DeburWrap Service Valves Flow Nitrogen6BRAZE Line SET 7PREPARATION for Next Step2CONNECT Gauges and Equipment for Flushing Procedure Flushing Line Set and Indoor CoilInstalling Indoor Metering Device Indoor Expansion Valve InstallationSensing Bulb Installation Equalizer Line InstallationLeak Test Line Set and Indoor Coil Leak detector must be capable of sensing HFC refrigerantEvacuating Line Set and Indoor Coil Connect Gauge SETElectrical 24VAC TransformerSingle Phase High Voltage / Ground Wires LOW Voltage Control WiringTypical Factory Wiring Diagram Copeland Compressor Typical Factory Wiring Diagram Interlink Compressor Connections for Testing and Charging Servicing Units Delivered Void of ChargeUnit Start−Up System RefrigerantChecking AIR Flow AT Indoor Coil Start Determine how refrigerant is meteredCalculating System Charge for Outdoor Unit Void of Charge BelowHFC−410A Subcooling TXV Charge Start Measure outdoor ambient temperature Superheat RFCProblem exists with some component in the system Unit Components MaintenanceSystem Operation Homeowner Start−Up and Performance Checklist