Lennox International Inc 506586-01 installation instructions Detail a Outside Unit Placement

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DETAIL A Outside Unit Placement

Install unit away from windows.

TWO 90° ELBOWS INSTALLED IN LINE SET WILL

REDUCE LINE SET VIBRATION.

DETAIL B

Install unit level or, if on a slope, maintain slope tolerance of two (2) degrees (or two inches per five feet [50 mm per 1.5 m]) away from building structure.

BUILDING

STRUCTURE

MOUNTING

SLAB

GROUND LEVEL

DETAIL C Elevated Slab Mounting using Feet Extenders

STABILIZING UNIT ON UNEVEN SURFACES

BASE

DETAIL D Slab Side Mounting

#10 1/2" LONG SELF−DRILLING SHEET METAL SCREWS

STABILIZING BRACKET (18 GAUGE

METAL

REQUIRED)

#10 1−1/4" LONG HEX HD SCREW AND FLAT WASHER

Concrete slab plastic anchors (hole drill 1/4")

Wood or plastic slab drill 1/8")

DETAIL E Deck Top Mounting

COIL

BASE PAN

CORNER POST

LEG DETAIL

2" (50.8MM) SCH 40 FEMALE THREADED ADAPTER

2" (50.8MM) SCH 40 MALE THREADED ADAPTER

Stabilizing bracket (18 gauge metal right angle as exampled below.

SAME FASTENERS AS

SLAB SIDE MOUNTING.

MINIMUM ONE PER SIDE

FOR EXTRA STABILITY

Use additional 2" SCH 40 male threaded adapters which can be threaded into the female threaded adapters to make additional adjustments to the level of the unit.

One bracket per side (minimum). For extra stability, two brackets per side, two inches (51mm) from each corner.

IMPORTANT To help stabilize an outdoor unit, some installations may require strapping the unit to the pad using brackets and anchors commonly available in the marketplace.

Figure 5. Placement, Slab Mounting and Stabilizing Unit

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506586−01 10/10

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Contents Heat Pumps Table of ContentsGeneral Unit Dimensions −− Inches mm Side View Access ViewModel Number Identification Base with Elongated LegsTypical Unit Parts Arrangement Control BOXShipping and Packing List Using Manifold Gauge SetOperating Service Valves Operating Angle Type Service Valve Operating Ball Type Service ValveTo Access Service Port Reinstall Stem CapRecovering Refrigerant from Existing System 1DISCONNECT PowerRecovering Refrigerant 2CONNECT Manifold Gauge SETUnit Placement Detail a Outside Unit Placement Placement, Slab Mounting and Stabilizing UnitRoof Mounting Removing and Installing PanelsStabilizing Unit on Uneven Surfaces Louvered Panel Installation Louvered Panel RemovalDetail C Detail D Detail aNew or Replacement Line Set Refrigerant Line SETRefrigerant Line SET From Vertical to Horizontal Refrigerant Line SET Alling Horizontal RunsBrazing Connections 1PIPING Panel Removal and Preparing Line SET 2CAP and Core RemovalWrap Service Valves Flow NitrogenBraze Line SET 7PREPARATION for Next StepFlushing Line Set and Indoor Coil Flushing Line Set and Indoor CoilInstalling Indoor Expansion Valve Indoor Expansion Valve InstallationSensing Bulb Installation Equalizer Line InstallationLeak Test Line Set and Indoor Coil Leak TestEvacuating Line Set and Indoor Coil S S S SSize Circuit and Install Disconnect 2INSTALL ThermostatElectrical 24VAC Transformer4ROUTE High Voltage and Ground Wires 3A. Route Control Wires TingRoute Control Wires Ting Typical XP17 Wiring Heat Pump Control A175 Jumpers and Terminals Heat Pump Control AGEHeat Pump Control A175 Jumper and Terminal Descriptions Field Control Wiring Flat metal jumperFurnace Control Connections for Testing and Charging Servicing Units Delivered Void of ChargeUnit Start−Up System RefrigerantCooling Mode Indoor Airflow Check Heating Mode Indoor Airflow CheckAdding or Removing Refrigerant Airflowindoor CoilUsing HFC−410A Weigh In Method Subcooling Charging MethodAir Handler / Coil Match ups and Targeted Subcooling Values Operating and Temperature Pressures PsigSystem Operations Defrost SystemResistor Location Sensor Temperature / Resistance Range Unit SensorsDefrost Calibration Sequence of Operations YESTest Pin E33 Functions S SLow Pressure S87 Switch Operation Or belowHigh Pressure Switch S4 Sequence of Operation Input Fault or Miswire Degrees Resistance Fahrenheit 136.3 2680 System Status, Fault and Lockout LED Codes DS11 and DS14 ATUS, Fault Lockout LED CodesResetting Fault and Lockout LED Codes DS15 and DS13 Ault Lockout LED CodesAlert Status Moderate Device225ºF 107ºC Lockout Vice removed or Clears after Field Configuration and Testing TroubleshootingFAN Motor B4 Test Procedure FAN Motor Control A177 OPERATION,Fan Motor Control Error/Fault LED Codes Fan Motor Control Stage LED Indicator CodesFan Motor Control RPM, LED Code and DC Voltage Output Fan Motor Control Flash and Pause DurationsTOP Grille or FAN Motor Mount Adjustment for FAN Clearance TOP Grille AdjustmentFAN Motor Position Adjustment Demand BeginsFAN Motor Control A177 PULSE−WIDTH Modulation PWM Testing for External Power to Fan Motor Control Strip StartTerminal FinishMaintenance Snow Guard Top CoverHomeowner SunSource Home Energy System XP17 Start−Up and Performance Checklist Cooling ModeHeating Mode START−UP Checks