Lennox International Inc LENNOX Elite Series XP13 Units HEAT PUMPS installation instructions

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E2011 Lennox Industries Inc. Dallas, Texas, USA

INSTALLATION INSTRUCTIONS

Elite® Series XP13 Units

These instructions are intended as a general guide and do not supersede local codes in any way. Consult authorities having jurisdiction before installation.

RETAIN THESE INSTRUCTIONS

FOR FUTURE REFERENCE

NOTICE TO INSTALLER

BRAZING LINE SET TO SERVICE VALVES

It is imperative to follow the brazing technique illustrated starting on page 12 to avoid damaging the service valve’s internal seals.

WARNING

Improper installation, adjustment, alteration, service or maintenance can cause personal injury, loss of life, or damage to property.

Installation and service must be performed by a licensed professional installer (or equivalent) or a service agency.

IMPORTANT

The Clean Air Act of 1990 bans the intentional venting of refrigerant (CFCs, HFCs, and HCFCs) as of July 1, 1992. Approved methods of recovery, recycling or reclaiming must be followed. Fines and/or incarceration may be levied for noncompliance.

IMPORTANT

This unit must be matched with an indoor coil as specified in Lennox’ Engineering Handbook. Coils previously charged with HCFC−22 must be flushed.

CAUTION

Physical contact with metal edges and corners while applying excessive force or rapid motion can result in personal injury. Be aware of, and use caution when working near these areas during installation or while servicing this equipment.

HEAT PUMPS 506728−01

06/11

Litho U.S.A.

 

Supersedes 04/11

 

TABLE OF CONTENTS

Shipping and Packing List . . . . . . . . . . . . . . . . . . . . . . 1 General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Model Number Identification . . . . . . . . . . . . . . . . . . . . 2 Unit Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Unit Parts Arrangement . . . . . . . . . . . . . . . . . . . . . . . . 3 Caps and Fasteners Torque Requirements . . . . . . . . 4 Operating Gauge Set and Service Valves . . . . . . . . . 4 Recovering Refrigerant from Existing System . . . . . 6 New Outdoor Unit Placement . . . . . . . . . . . . . . . . . . . 7 Removing and Installing Panels . . . . . . . . . . . . . . . . . 9 Line Set Requirements . . . . . . . . . . . . . . . . . . . . . . . . . 10 Brazing Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Indoor Refrigerant Metering Device Removal and Flushing Line Set and Indoor Coil . . . . . . . . . . . . . . . . 15

Installing New Indoor Metering Device . . . . . . . . . . . . 16 Leak Test Line Set and Indoor Coil . . . . . . . . . . . . . . . 17 Evacuating Line Set and Indoor Coil . . . . . . . . . . . . . 18 Electrical Connections . . . . . . . . . . . . . . . . . . . . . . . . . 19 Unit Start−Up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

Servicing and Weighing In Refrigerant for Units Delivered Void of Charge . . . . . . . . . . . . . . . . . . . . . . . 22

Optimizing System Refrigerant Charge . . . . . . . . . . . 24 System Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 Defrost System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 Maintenance (Dealer and Homeowner) . . . . . . . . . . . 30 Start−up and Performance Checklist . . . . . . . . . . . . . . 32

Shipping and Packing List

Check the unit for shipping damage and listed times below are intact. If damaged, or if parts are missing, immediately contact the last shipping carrier.

1 door unit

General

The XP13 outdoor unit uses HFC−410A refrigerant. This unit must be installed with a matching indoor blower coil and line set as outlined in the XP13 Engineering Handbook. These outdoor units are designed for use in check / expansion valve (CTXV) systems only and are not to be used with other refrigerant flow control devices. An indoor coil check / expansion valve approved for use with HFC−410A must be ordered separately and installed prior to operating the unit.

06/11

Page 1

506728−01

*2P0611*

*P506728-01*

 

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Contents Shipping and Packing List Table of ContentsGeneral Model Number Identification 13 −036 − 230 −08 Unit Dimensions − Inches mmSide View TOP ViewTypical Unit Parts Arrangement PLUMBING, Switches Sensor ComponentsControl Panel Operating Service Valves Operating Gauge Set and Service ValvesUsing Manifold Gauge SET Caps and Fasteners Torque RequirementsOperating Ball−Type Service Valve Operating Angle−Type Service ValveReinstall Stem Cap 1DISCONNECT Power Recovering Refrigerant from Existing System3RECOVERING Refrigerant Method Method 2 LimitationsNew Outdoor Unit Placement Placement, Slab Mounting and Stabilizing Unit Detail a Outside Unit PlacementLouvered Panel Installation Removing and Installing PanelsLouvered Panel Removal Using Existing Line SET NEW or Replacement Line SET InstallationLine Set Requirements Adding Polyol Ester OIL RequirementsRefrigerant Line SET Alling Horizontal Runs Refrigerant Line SET From Vertical to HorizontalBrazing Connections 2CAP and Core Removal 1CUT and DeburFlow Nitrogen Wrap Service Valves6BRAZE Line SET Preparation for Next Step3FLUSHING Line SET 2CONNECT Gauges and Equipment for Flushing ProcedureIndoor Expansion Valve Installation Installing New Indoor Metering DeviceSensing Bulb Installation Equalizer Line InstallationConnect Gauge SET Leak Test Line Set and Indoor CoilTest for Leaks 2EVACUATE the System Evacuating Line Set and Indoor Coil2INSTALL Thermostat Size Circuit and Install DisconnectElectrical 24VAC TransformerTypical Unit Wiring Diagram Unit START−UP Unit Start−UpConnect Manifold Gauge SET and WEIGH−IN Charge Leak CHECK, Repair and EvacuateConnections for Optimizing System Charge Calculating System Charge for Outdoor Unit Void of Charge Using HFC−410A Weigh In MethodAdjusting Indoor Airflow Optimizing ProcedureOptimizing System Refrigerant Charge CFM =SCº SATº LIQºIf subcooling value is RefrigerantNormal Operating Pressures − Liquid +10 and Vapor +5 Psig HFC−410A Temperature F − Pressure Psig Defrost System System OperationDefrost Control CMC1 OFF Dealer MaintenanceIndoor Unit Indoor CoilXP13 Series Installer City Start−Up and Performance ChecklistJob Name Job no Date Job Location City Sequence of Operation Thermostat

LENNOX Elite Series XP13 Units HEAT PUMPS, 06/11 50672801 specifications

Lennox International Inc., a leading name in the HVAC (heating, ventilation, and air conditioning) industry, has a reputation for delivering high-quality and energy-efficient systems. One of the standout products in their lineup is the Lennox Elite Series XP13 heat pump, model number 50672801. This heat pump is designed to provide exceptional comfort throughout the year while offering efficiency and reliability that homeowners can depend on.

The Lennox Elite Series XP13 heat pump features a compact design that makes it suitable for various outdoor spaces. One of its main characteristics is its efficiency, boasting a SEER (Seasonal Energy Efficiency Ratio) rating of up to 16 and an HSPF (Heating Seasonal Performance Factor) of up to 9. This means that the XP13 can help reduce energy bills, making it an eco-friendly choice for homeowners looking to minimize their carbon footprint.

This heat pump utilizes advanced technology to ensure optimal performance. The XP13 is equipped with a scroll compressor, which operates quietly and efficiently compared to traditional compressors. This feature ensures a more reliable and consistent temperature control, which translates to enhanced comfort levels in the home. Moreover, the XP13 is designed with a sound-dampening system that reduces operational noise, making it one of the quieter options in the market.

Another key aspect of the XP13 heat pump is its innovative use of advanced coil technology. The unit's coils are made from high-grade aluminum, which promotes superior heat exchange and improves overall efficiency. In addition, the XP13 is designed with a built-in filter drier that helps remove moisture and contaminants from the refrigerant, protecting the system from potential damage and enhancing its lifespan.

The XP13 model is compatible with the iComfort S30 smart thermostat, allowing users to control their home’s temperature remotely. This smart technology provides energy-saving options and real-time updates, ensuring that homeowners can optimize their HVAC systems for both comfort and efficiency.

Overall, the Lennox Elite Series XP13 heat pump, model 50672801, exemplifies a commitment to delivering high-performance heating and cooling solutions. With its energy-efficient design, advanced technologies, and features aimed at enhancing user comfort and convenience, the XP13 remains a top choice among homeowners looking for a reliable and effective heat pump system.
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