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

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Heat Pump Control (A175) Jumpers and Terminals

HEAT PUMP CONTROL AGE

Table 3 on page 24 provides additional information concerning jumpers, links, and connections for the heat pump control.

	DS11 and DS14	*30
	LED ALERT CODES	*30
	LED ALERT CODES	SECOND DELAY
		SECOND DELAY
		30
		0
		SECOND DELAY
		0

E37

COMPRESSOR SHIFT DELAY

E33

FIELD TEST

DS13 and DS15

LED ALERT CODES

E47

100

DEGREE

TARGET 100907050

90 DEGREE

TARGET 10090 70 50

DEGREE

TARGET 1009070 50

*50

DEGREE

TARGET 10090 70 50

DEFROST TERMINATION TEMPERATURE

DS12

RECEIVING DATA INDICATOR (COMMUNICATION MODE ONLY)

CUT FOR HUMIDITROL APPLICATION (TWO−STAGE UNITS ONLY)

Figure 16. Heat Pump Control (A175) Jumpers, Connections and LED Locations

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XP17 SERIES

Image 23

Contents Heat Pumps Table of ContentsGeneral Base with Elongated Legs Unit Dimensions −− Inches mmSide View Access View Model Number IdentificationControl BOX Typical Unit Parts ArrangementShipping and Packing List Using Manifold Gauge SetOperating Service Valves Reinstall Stem Cap Operating Angle Type Service ValveOperating Ball Type Service Valve To Access Service Port2CONNECT Manifold Gauge SET Recovering Refrigerant from Existing System1DISCONNECT Power Recovering RefrigerantUnit Placement Placement, Slab Mounting and Stabilizing Unit Detail a Outside Unit PlacementRoof Mounting Removing and Installing PanelsStabilizing Unit on Uneven Surfaces Detail D Detail a Louvered Panel InstallationLouvered Panel Removal Detail CRefrigerant Line SET New or Replacement Line SetRefrigerant Line SET Alling Horizontal Runs Refrigerant Line SET From Vertical to HorizontalBrazing Connections 2CAP and Core Removal 1PIPING Panel Removal and Preparing Line SET7PREPARATION for Next Step Wrap Service ValvesFlow Nitrogen Braze Line SETFlushing Line Set and Indoor Coil Flushing Line Set and Indoor CoilEqualizer Line Installation Installing Indoor Expansion ValveIndoor Expansion Valve Installation Sensing Bulb InstallationLeak Test Leak Test Line Set and Indoor CoilS S S S Evacuating Line Set and Indoor Coil24VAC Transformer Size Circuit and Install Disconnect2INSTALL Thermostat Electrical4ROUTE High Voltage and Ground Wires 3A. Route Control Wires TingRoute Control Wires Ting Typical XP17 Wiring Heat Pump Control AGE Heat Pump Control A175 Jumpers and TerminalsHeat Pump Control A175 Jumper and Terminal Descriptions Flat metal jumper Field Control WiringFurnace Control System Refrigerant Connections for Testing and ChargingServicing Units Delivered Void of Charge Unit Start−UpAirflowindoor Coil Cooling Mode Indoor Airflow CheckHeating Mode Indoor Airflow Check Adding or Removing RefrigerantSubcooling Charging Method Using HFC−410A Weigh In MethodAir Handler / Coil Match ups and Targeted Subcooling Values Psig Operating and Temperature PressuresDefrost System System OperationsUnit Sensors Resistor Location Sensor Temperature / Resistance RangeYES Defrost Calibration Sequence of OperationsS S Test Pin E33 FunctionsOr below Low Pressure S87 Switch OperationHigh Pressure Switch S4 Sequence of Operation Input Fault or Miswire Degrees Resistance Fahrenheit 136.3 2680 DS15 and DS13 Ault Lockout LED Codes System Status, Fault and Lockout LED CodesDS11 and DS14 ATUS, Fault Lockout LED Codes Resetting Fault and Lockout LED CodesModerate Device Alert Status225ºF 107ºC Lockout Vice removed or Clears after FAN Motor Control A177 OPERATION, Field Configuration and TestingTroubleshooting FAN Motor B4 Test ProcedureFan Motor Control Flash and Pause Durations Fan Motor Control Error/Fault LED CodesFan Motor Control Stage LED Indicator Codes Fan Motor Control RPM, LED Code and DC Voltage OutputDemand Begins TOP Grille or FAN Motor Mount Adjustment for FAN ClearanceTOP Grille Adjustment FAN Motor Position AdjustmentFAN Motor Control A177 PULSE−WIDTH Modulation PWM Testing for External Power to Fan Motor Control Finish StripStart TerminalSnow Guard Top Cover MaintenanceHomeowner SunSource Home Energy System START−UP Checks XP17 Start−Up and Performance ChecklistCooling Mode Heating Mode