11/10
506663−01
*2P1110*
*P506663-01*
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 Engineering Handbook. Coils previous-
ly 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 6.
BRAZING LINE SET TO SERVICE VALVES
It is imperative to follow the brazing technique illustrated starting on
page 9 to avoid damaging the service valve’s internal seals.
INSTALLATION
INSTRUCTIONS
T−Class
t
TSA*S4 Units
M and T Voltages
AIR CONDITIONER
506663−01
11/10
Supersedes 506418−01
TABLE OF CONTENTS
Shipping and Packing List
1
. . . . . . . . . . . . . . . . . . . . . . . .
Outdoor Unit
1
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Unit Dimensions
2
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Typical Unit Parts Arrangement
2
. . . . . . . . . . . . . . . . . . .
Model Number Identification
3
. . . . . . . . . . . . . . . . . . . . . .
General Information
3
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating Gauge Set and Service Valves
3
. . . . . . . . . . .
Recovering Refrigerant from Existing System
5
. . . . . . .
New Outdoor Unit Placement
6
. . . . . . . . . . . . . . . . . . . . .
New or Replacement Line Set
7
. . . . . . . . . . . . . . . . . . . . .
Brazing Connections
9
. . . . . . . . . . . . . . . . . . . . . . . . . . .
Flushing Line Set and Indoor Coil
12
. . . . . . . . . . . . . . . .
Installing Indoor Metering Device
13
. . . . . . . . . . . . . . . .
Leak Test Line Set and Indoor Coil
14
. . . . . . . . . . . . . . .
Evacuating Line Set and Indoor Coil
15
. . . . . . . . . . . . .
Electrical Connections
16
. . . . . . . . . . . . . . . . . . . . . . . . . .
Servicing Unit Delivered Void of Charge
20
. . . . . . . . . . .
Unit Start−Up
20
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
System Refrigerant
20
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
System Operation
25
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Maintenance
25
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Start−Up and Performance Checklist
27
. . . . . . . . . . . . . .
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 Liquid line filter drier
Outdoor Unit
This outdoor unit is designed for use with HFC−410A
refrigerant only. This unit must be installed with an
approved indoor air handler or coil. See the Lennox
TSA*S4 Engineering Handbook for approved indoor
component matchups.
This outdoor unit is designed for use in thermal expansion
valve (TXV) systems only.
Litho U.S.A.
