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.