Lennox XP17 Heat Pump Official Manual - Wiring & Setup

Figure 15. Typical XP17 Wiring

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506586−01 10/10

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Lennox International Inc 506586-01, Dave Lennox Signature Collection XP17 System HEAT PUMPS Typical XP17 Wiring

Contents

General Table of ContentsHeat Pumps Model Number Identification Unit Dimensions −− Inches mmSide View Access View Base with Elongated Legs Typical Unit Parts Arrangement Control BOX Operating Service Valves Using Manifold Gauge SetShipping and Packing List To Access Service Port Operating Angle Type Service ValveOperating Ball Type Service Valve Reinstall Stem Cap Recovering Refrigerant Recovering Refrigerant from Existing System1DISCONNECT Power 2CONNECT Manifold Gauge SET Unit Placement Detail a Outside Unit Placement Placement, Slab Mounting and Stabilizing Unit Stabilizing Unit on Uneven Surfaces Removing and Installing PanelsRoof Mounting Detail C Louvered Panel InstallationLouvered Panel Removal Detail D Detail a New or Replacement Line Set Refrigerant Line SET Refrigerant Line SET From Vertical to Horizontal Refrigerant Line SET Alling Horizontal Runs Brazing Connections 1PIPING Panel Removal and Preparing Line SET 2CAP and Core Removal Braze Line SET Wrap Service ValvesFlow Nitrogen 7PREPARATION for Next Step Flushing Line Set and Indoor Coil Flushing Line Set and Indoor Coil Sensing Bulb Installation Installing Indoor Expansion ValveIndoor Expansion Valve Installation Equalizer Line Installation Leak Test Line Set and Indoor Coil Leak Test Evacuating Line Set and Indoor Coil S S S S Electrical Size Circuit and Install Disconnect2INSTALL Thermostat 24VAC Transformer Route Control Wires Ting 3A. Route Control Wires Ting4ROUTE High Voltage and Ground Wires Typical XP17 Wiring Heat Pump Control A175 Jumpers and Terminals Heat Pump Control AGE Heat Pump Control A175 Jumper and Terminal Descriptions Field Control Wiring Flat metal jumper Furnace Control Unit Start−Up Connections for Testing and ChargingServicing Units Delivered Void of Charge System Refrigerant Adding or Removing Refrigerant Cooling Mode Indoor Airflow CheckHeating Mode Indoor Airflow Check Airflowindoor Coil Using HFC−410A Weigh In Method Subcooling Charging Method Air Handler / Coil Match ups and Targeted Subcooling Values Operating and Temperature Pressures Psig System Operations Defrost System Resistor Location Sensor Temperature / Resistance Range Unit Sensors Defrost Calibration Sequence of Operations YES Test Pin E33 Functions S S Low Pressure S87 Switch Operation Or below High Pressure Switch S4 Sequence of Operation Input Fault or Miswire Degrees Resistance Fahrenheit 136.3 2680 Resetting Fault and Lockout LED Codes System Status, Fault and Lockout LED CodesDS11 and DS14 ATUS, Fault Lockout LED Codes DS15 and DS13 Ault Lockout LED Codes Alert Status Moderate Device 225ºF 107ºC Lockout Vice removed or Clears after FAN Motor B4 Test Procedure Field Configuration and TestingTroubleshooting FAN Motor Control A177 OPERATION, Fan Motor Control RPM, LED Code and DC Voltage Output Fan Motor Control Error/Fault LED CodesFan Motor Control Stage LED Indicator Codes Fan Motor Control Flash and Pause Durations FAN Motor Position Adjustment TOP Grille or FAN Motor Mount Adjustment for FAN ClearanceTOP Grille Adjustment Demand Begins FAN Motor Control A177 PULSE−WIDTH Modulation PWM Testing for External Power to Fan Motor Control Terminal StripStart Finish Maintenance Snow Guard Top Cover Homeowner SunSource Home Energy System Heating Mode XP17 Start−Up and Performance ChecklistCooling Mode START−UP Checks