10/08 506109−01
*2P1008* *P506109-01*
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 AC13 Engineering Handbook.
INSTALLATION
INSTRUCTIONS
Elite
®
Series AC13 Units
AIR CONDITIONER
506109−01
10/08
Supersedes 07/08
Table of Contents
Shipping and Packing List 1. . . . . . . . . . . . . . . . . . . . . .
AC13 Air Conditioner Units 1. . . . . . . . . . . . . . . . . . . . .
Unit Dimensions 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
General Information 3. . . . . . . . . . . . . . . . . . . . . . . . . . .
Recovering Refrigerant from Existing System 3. . . . .
Removing Existing Outdoor Unit 5. . . . . . . . . . . . . . . . .
Positioning New Outdoor Unit 6. . . . . . . . . . . . . . . . . . .
Removing and Installing Panels 7. . . . . . . . . . . . . . . . .
New or Replacement Line Set 8. . . . . . . . . . . . . . . . . . .
Brazing Connections 10. . . . . . . . . . . . . . . . . . . . . . . . . . .
Removing Indoor Unit Metering Device 11. . . . . . . . . . .
Installing New Indoor Unit Metering Device 12. . . . . . . .
Testing for Leaks 14. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Evacuating the System 14. . . . . . . . . . . . . . . . . . . . . . . . .
Servicing Unit Delivered Void of Charge 15. . . . . . . . . . .
Electrical Connection 15. . . . . . . . . . . . . . . . . . . . . . . . . .
Start−Up and Charging Procedures 16. . . . . . . . . . . . . . .
System Operation 21. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Maintenance 21. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Homeowner Information 22. . . . . . . . . . . . . . . . . . . . . . . .
Optional Accessories 23. . . . . . . . . . . . . . . . . . . . . . . . . .
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)
AC13 Air Conditioner Units
The AC13 Air Conditioners, which will also be referred to in
this instruction as the outdoor unit, uses HCFC−22
refrigerant. This outdoor unit must be installed with a
matching indoor unit and line set as outlined in the Lennox
AC13 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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