Lennox XC13-030-230-02 User Manual

07/11 506636−01
*2P0711* *P506636-01*
Page 1
201 Lennox Industries Inc.
Dallas, Texas, USA
RETAIN THESE INSTRUCTIONS
FOR FUTURE REFERENCE
These instructions are intended as a general guide and do
not supersede local codes in any way. Consult authorities
having jurisdiction before installation.
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, HCFCs and HFCs) 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 speci-
fied in Lennox XC14 Engineering Handbook. Coils pre-
viously charged with HCFC−22 must be flushed.
NOTICE TO INSTALLER
UNIT PLACEMENT
It is critical for proper unit operation to place outdoor unit on an
elevated surface as described in Unit Placement section on page 7.
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.
INSTALLATION
INSTRUCTIONS
Elite
®
Series XC14 Units
AIR CONDITIONER
506636−01
07/11
Supersedes 11/10
TABLE OF CONTENTS
General 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Shipping and Packing List 1. . . . . . . . . . . . . . . . . . . . . .
Unit Dimensions 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Model Number Identification 2. . . . . . . . . . . . . . . . . . . .
Unit Parts Arrangement 3. . . . . . . . . . . . . . . . . . . . . . . .
Operating Gauge Set and Service Valves 4. . . . . . . . .
Recovering Refrigerant from Existing System 6. . . . .
Unit Placement 7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Removing and Installing Panels 9. . . . . . . . . . . . . . . . .
New or Replacement Line Set 10. . . . . . . . . . . . . . . . . . .
Brazing Connections 12. . . . . . . . . . . . . . . . . . . . . . . . . . .
Flushing Line Set and Indoor Coil 15. . . . . . . . . . . . . . . .
Installing Indoor Metering Device 16. . . . . . . . . . . . . . . .
Leak Test Line Set and Indoor Coil 17. . . . . . . . . . . . . . .
Evacuating Line Set and Indoor Coil 18. . . . . . . . . . . . .
Electrical 19. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Servicing Units Delivered Void of Charge 23. . . . . . . . .
Unit Start−Up 23. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
System Refrigerant 23. . . . . . . . . . . . . . . . . . . . . . . . . . . .
System Operation 28. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Maintenance 29. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Start−Up and Performance Checklist 30. . . . . . . . . . . . .
General
The XC14 Air Conditioners, which will also be referred to in
this instruction as the outdoor unit, uses HFC−410A
refrigerant. This outdoor unit must be installed with a
matching indoor unit and line set as outlined in the Lennox
XC14 Engineering Handbook.
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  Assembled outdoor unit.
1  Refrigerant flow control (RFC) kit (Fixed Orifice)
Litho U.S.A.

Lennox XC13-030-230-02 Specifications

General

Compressor Type	Scroll
Refrigerant	R-410A
Sound Level (Outdoor Unit)	76 dB
Phase	1
Cooling Capacity	2.5 Tons (30, 000 BTU/h)
SEER Rating	13
Voltage	230V

Summary

General

Shipping and Packing List

Unit Dimensions

Model Number Identification

Explains how to identify unit model number and its components.

Typical Unit Parts Arrangement

Plumbing and Switches Components

Details plumbing and electrical components of the unit.

Operating Gauge Set and Service Valves

Torque Requirements

Lists torque specifications for various fasteners used in the unit.

Using Manifold Gauge Set

Instructions for using manifold gauge sets with HFC-410A systems.

Operating Service Valves

Explains the function and operation of liquid and vapor line service valves.

Operating Angle Type Service Valve

Details how to operate angle-type service valves.

Operating Ball Type Service Valve

Details how to operate ball-type service valves.

To Access Service Port

Procedure for accessing service ports and tightening caps.

Reinstall Stem Cap

Steps for reinstalling service valve stem caps correctly.

Recovering Refrigerant from Existing System

Unit Placement

Positioning Considerations

Factors to consider when selecting a location for the outdoor unit.

Placing Unit on Slab

Instructions for placing the unit on a ground-level slab.

Elevating the Unit

Methods for elevating the unit using support feet and adapters.

Roof Mounting

Louvered Panel Removal

Steps to remove the unit's louvered panels.

Louvered Panel Installation

Steps to install the unit's louvered panels.

New or Replacement Line Set

Refrigerant Line Set

Details regarding refrigerant line set specifications and installation.

Line Set Isolation

Refrigerant Line Set - Transition from Vertical to Horizontal

Method for isolating line sets transitioning from vertical to horizontal.

Refrigerant Line Set - Installing Vertical Runs

Procedure for installing vertical refrigerant line runs.

Refrigerant Line Set - Installing Horizontal Runs

Procedure for installing horizontal refrigerant line runs.

Brazing Connections

Flushing Line Set and Indoor Coil

Typical Existing Fixed Orifice Removal Procedure

Procedure for removing fixed orifice from indoor coil.

Typical Existing Expansion Valve Removal Procedure

Procedure for removing expansion valve from indoor coil.

Connect Gauges and Equipment for Flushing Procedure

Steps to connect gauges and equipment for flushing.

Flushing Line Set

Detailed steps for flushing the line set and indoor coil.

Installing Indoor Metering Device

Indoor Expansion Valve Installation

Detailed steps for installing an indoor expansion valve.

Equalizer Line Installation

Instructions for installing the equalizer line.

Sensing Bulb Installation

Guidance on installing the sensing bulb for the expansion valve.

Leak Test Line Set and Indoor Coil

Connect Gauge Set

Steps to connect the gauge set for leak testing.

Test for Leaks

Detailed steps for performing a leak test on the system.

Evacuating Line Set and Indoor Coil

Connect Gauge Set

Steps to connect the gauge set for evacuation.

Evacuate the System

Detailed steps for evacuating the system to the required vacuum level.

Electrical

Size Circuit and Install Disconnect Switch

Guidance on sizing circuits and installing disconnect switches.

Install Thermostat

Instructions for installing the thermostat.

Unit Low Voltage Connections

Steps for making low voltage electrical connections to the unit.

Servicing Units Delivered Void of Charge

Unit Start-Up

System Refrigerant

Determining Charge Method

Checking Air Flow at Indoor Coil

How to check indoor coil airflow using the Delta-T process.

Weigh In Charging Method

Method for calculating system charge when the unit is void of refrigerant.

Unit Components

High Pressure Switch (S4)

Function of the high-pressure switch in protecting the compressor.

Thermal Protection Switch (S5) — Discharge Line Mounted

Function of the discharge line thermal protection switch.

Thermal Protection Switch (S173) - Compressor Mounted

Function of the compressor-mounted thermal protection switch.

Crankcase Thermostat (S40)

Function of the crankcase thermostat for specific unit models.

Maintenance

Outdoor Unit

Maintenance tasks for the outdoor unit.

Indoor Unit

Maintenance tasks for the indoor unit.

Routine Maintenance

Regular maintenance to ensure peak system performance.

Start-Up and Performance Checklist

Thermostat Operation

How to operate the thermostat and perform pre-service checks.

Preservice Check

Checks to perform before calling for service if the system fails.

Accessories

List of publications for additional information on accessories.