Lenox Elite Series XP16 Units Heat Pumps, P506640-01 Typical Unit Parts Arrangement, Detail a

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Typical Unit Parts Arrangement

FOR COIL SENSOR (RT21)

LOCATION SEE DETAIL A

 

 

 

COMPRESSOR

 

 

 

DUAL RUN CAPACITOR (C12)

 

 

 

(−024, −036 AND −048 ONLY)

 

 

 

SINGLE RUN CAPACITOR (C1)

 

 

 

(−060 ONLY)

 

 

 

DEMAND DEFROST

 

 

 

CONTROL (A108)

 

 

 

DISCHARGE LINE

 

 

 

SENSOR (RT28)

 

 

 

REVERSING

 

 

 

VALVE (L1)

 

 

 

TRUE SUCTION

 

 

 

PORT

 

 

 

HIGH PRESSURE

 

 

 

SWITCH (S4)

 

 

 

EXPANSION VALVE

 

 

 

SENSING BULB

 

 

 

LIQUID VALVE AND GAUGE

 

 

 

PORT / LIQUID LINE

 

 

 

CONNECTIONS

GROUND

SINGLE POLE

 

 

LUG

AMBIENT

VAPOR VALVE AND GAUGE PORT /

CONTACTOR

 

TEMPERATURE

SUCTION LINE CONNECTIONS

 

(K1)

 

SENSOR (RT13)

 

 

 

 

CHECK /

EXPANSION

VALVE

LIQUID LINE BI−FLOW FILTER DRIER

LOW PRESSURE SWITCH (S87)

DETAIL A

XP16−036

COIL SENSOR − NINTH

HAIRPIN UP FROM THE

BOTTOM ON INSIDE

ROW.

XP16−024

COIL SENSOR −THIRD

HAIRPIN DOWN FROM

THE TOP ON INSIDE

ROW.

XP16−048

COIL SENSOR − EIGHT HAIRPIN UP FROM THE BOTTOM ON INSIDE ROW.

XP16−060

COIL SENSOR − SIXTH HAIRPIN UP FROM THE BOTTOM

ON INSIDE ROW.

Figure 1. Unit Parts Arrangement

Caps and Fasteners Torque Requirements

IMPORTANT

When servicing or repairing HVAC equipment and components, ensure the fasteners are appropriately tightened. Table 1 list torque values for various caps and fasteners.

Table 1. Torque Requirements

Parts

Recommended Torque

Service valve cap

8 ft.− lb.

11 NM

Sheet metal screws

16 in.− lb.

2 NM

Machine screws #10

28 in.− lb.

3 NM

Compressor bolts

90 in.− lb.

10 NM

Gauge port seal cap

8 ft.− lb.

11 NM

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XP16 SERIES

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Contents Table of Contents Shipping and Packing ListGeneral XP16−024 Base Section XP16 Base with Legs Unit Dimensions − inches mmModel Number Identification Side ViewTypical Unit Parts Arrangement Caps and Fasteners Torque RequirementsDetail a To Access Service Port Operating Ball−Type Service Valve Operating Gauge Set and Service ValvesOperating Service Valves Using Manifold Gauge SETMethod Method 2 Limitations Recovering Refrigerant from Existing System1DISCONNECT Power 3RECOVERING RefrigerantNew Outdoor Unit Placement Placement, Slab Mounting and Stabilizing Unit Detail a Outside Unit PlacementRemoving and Installing Panels Louvered Panel InstallationLouvered Panel Removal Adding Polyol Ester OIL Requirements NEW or Replacement Line SET InstallationUsing Existing Line SET Line Set RequirementsRefrigerant Line SET Alling Horizontal Runs Refrigerant Line SET From Vertical to HorizontalBrazing Connections 1CUT and Debur Brazing Procedures7PREPARATION for Next Step Wrap Service ValvesFlow Nitrogen 6BRAZE Line SET2CONNECT Gauges and Equipment for Flushing Procedure Equalizer Line Installation Installing New Indoor Metering DeviceIndoor Expansion Valve Installation Sensing Bulb InstallationTest for Leaks S S S Evacuating Line Set and Indoor Coil24VAC Transformer Size Circuit and Install Disconnect2INSTALL Thermostat Electrical ConnectionsLOW Voltage Connections 4HIGH Voltage Power Supply ConnectionsTypical Field Wiring Typical Unit Wiring Diagram −024, −036 and −048 Only Typical Unit Wiring Diagram −060 Only Unit START−UP Unit Start−UpLeak CHECK, Repair and Evacuate Connect Manifold Gauge SET and Weigh in ChargeCalculating System Charge for Outdoor Unit Void of Charge Indoor Unit Connections for Optimizing System ChargeOptimizing Procedure Adjusting Indoor AirflowOptimizing System Refrigerant Charge SATº LIQºSCº = XP16−036−230 XP16−048−230XP16−060−230 Normal Operating Pressures Temperature PressuresUnit Components System Operation24VAC DelayDS2 Green LED FAN TWO Connectors TestOFF Demand Defrost Control A108 Diagnostic LedsDS2 DS1 SlowSECOND−STAGE Operation Defrost System Overview Defrost Control CONNECTIONS, Jumpers Settings and FeaturesDefrost System Emergency Heat Amber LightCompressor Delay Mode P5 Operational Mode OverviewDefrost Cycle Actuation HOW did Defrost TERMINATE? Demand Mode Thirty 30 Minute TimeTemperature Mode TIME/TEMPERATURE Mode DefrostDegrees Resistance Fahrenheit 136.3 2680 High Discharge Sensor RT28 Temperature / Resistance Range S S Test Pin P1 FunctionsTools Required MaintenanceProcedure Two−Stage Modulation Compressors ChecksHomeowner Pressures TemperatureCompressor Outdoor Unit FAN MotorCooling Mode XP16 Start−Up and PerformanceStart UP Checks