04/08 505,367M
*2P0408* *P505367M*
Page 1
2008 Lennox Industries Inc.
Dallas, Texas, USA
RETAIN THESE INSTRUCTIONS
FOR FUTURE REFERENCE
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.
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.
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
specified in Lennox XC14 Engineering Handbook.
Coils previously charged with HCFC−22 must be
flushed.
INSTALLATION
INSTRUCTIONS
Elite
®
Series XC14 Units
AIR CONDITIONER
505,367M
04/08
Supersedes 01/08
Table of Contents
Shipping and Packing List 1. . . . . . . . . . . . . . . . . . . . . .
XC14 Air Conditioner Units 1. . . . . . . . . . . . . . . . . . . . .
Unit Dimensions 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
General Information 3. . . . . . . . . . . . . . . . . . . . . . . . . . .
Recovering Refrigerant from Existing System 5. . . . .
Removing Existing Outdoor Unit 6. . . . . . . . . . . . . . . . .
Positioning New Outdoor Unit 6. . . . . . . . . . . . . . . . . . .
Removing and Installing Panels 8. . . . . . . . . . . . . . . . .
New or Replacement Line Set 9. . . . . . . . . . . . . . . . . . .
Brazing Connections 11. . . . . . . . . . . . . . . . . . . . . . . . . . .
Removing Indoor Unit Metering Device 11. . . . . . . . . . .
Flushing System 12. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Installing New Indoor Unit Metering Device 13. . . . . . . .
Testing for Leaks 15. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Evacuating the System 16. . . . . . . . . . . . . . . . . . . . . . . . .
Servicing Outdoor Unit Delivered Void of Charge 17. . .
Electrical Connection 17. . . . . . . . . . . . . . . . . . . . . . . . . .
Start−Up and Charging Procedures 18. . . . . . . . . . . . . . .
System Operation 23. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Maintenance 23. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Homeowner Information 23. . . . . . . . . . . . . . . . . . . . . . . .
Optional Accessories 24. . . . . . . . . . . . . . . . . . . . . . . . . .
Start−Up and Performance Checklist 24. . . . . . . . . . . . .
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 kit (Fixed Orifice)
XC14 Air Conditioner Units
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.
This outdoor unit is designed for use in systems that use
one of the following refrigerant metering devices:
Thermal expansion valve (TXV)
Fixed orifice
Litho U.S.A.
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