11/10
506637−01
*2P1110*
*P506637-01*
Page 1
2010 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 XC16
E
ngineering 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 XC16
Units
AIR CONDITIONER
506637−01
11/10
Supersedes 506101−01
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
21
. . . . . . . . .
Unit Start−Up
21
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
System Refrigerant
22
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
System Operation
25
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Maintenance
26
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Checklist
28
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
General
The XC16 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
XC16
Engineering Handbook
. XC16 Air Conditioners are
designed for use in thermal expansion valve (TXV)
systems.
NOTE − The XC16 outdoor unit is rated for 230V
applications only. A hard-start kit is required for
applications where the supply voltage is less than 230V.
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.
Litho U.S.A.
