Lennox International Inc 506510-01 instruction

Figure 21. High Discharge Temperature Sensor Operation

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XC17 SERIES

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Lennox International Inc Dave Lennox Signature Collection XC17 Air Conditioner High Discharge Temperature Sensor Operation

Contents

General Table of ContentsShipping and Packing List AIR Conditioner Side View Access View Unit Dimensions − Inches mm and Parts ArrangementModel Number Identification Base with Elongated Legs Control BOX PLUMBING, Switches and Sensor ComponentsTypical Unit Parts Arrangement Using Manifold Gauge SET Operating Gauge Set and Service ValvesOperating Service Valves Torque Requirements Operating Angle Type Service Valve To Access Service PortOperating Ball Type Service Valve Reinstall Stem Cap Recovering Refrigerant from Existing System Recovering Clearance on ALL Sides Minimum Clearance Above Unit New Outdoor Unit PlacementMinimum Clearance Between TWO Units Positioning Considerations Roof Mounting Elevating the UnitStabilizing Unit on Uneven Surfaces Elevated Slab Mounting using Feet Extenders Outside Unit PlacementSlab Mounting at Ground Level Stabilizing Unit on Uneven Surfaces Access Panel Removal Removing and Installing PanelsAccess and Louvered Louvered Panel Installation Refrigerant Line SET New or Replacement Line Set Line SET Brazing Flushing the System FlushingUncased Coil Shown Line SET and Indoor Coil 1 Flushing Line SET and Indoor Coil 2 Sensing Bulb InstallationEqualizer Line Installation Installing Isolation Grommets Leak Testing the System Line SET and Indoor Coil Leak Test Evacuating the System Evacuating 2INSTALL Thermostat Size Circuit and Install DisconnectElectrical 24VAC Transformer 4ROUTE High Voltage and Ground Wires 3ROUTE Control Wires Typical XC17 Wiring Main Control AGE Main Control Jumpers and Terminals FAN Main Control Jumpers and Terminals Flat metal jumper Field Control Wiring On−board link Gauge SET Connections for Testing and ChargingServicing Units Delivered Void of Charge Unit Start−Up Action AirflowIndoor Coil Charge METHOD? Determine by WeighRequirements Calculating System Charge for Outdoor Unit Void of Charge Test and Charge Method ApproachSubcooling HFC−410A Temperature Fahrenheit Psig Operating and Temperature Pressures System Operation Test Pins Function Ambient Sensor Temperature / Resistance Range High Discharge Sensor Temperature / Resistance Range Resetting LED Alert Codes Sensor Temperature / Resistance RangeMain Control LED Alert Codes System LED Alert Codes Alert Status Compressor LED Alert Codes Detected in RUN High Pressure Switch Operation Low Pressure Switch Operation High Discharge Temperature Sensor Operation Verifying Jumper Settings J2 MaintenanceFAN Motor Control and Start UP Verifying LED Status Codes Fan Motor Board Unit LED Codes LED Codes and Sequence of Operations Control Panel Testing for External Power to Fan Control Fan Motor Test Fan Motor Surge Protection Device FAN Motor Surge Protection Start UP Checks XC17 Start−Up and Performance ChecklistCooling Mode Subcooling