Page 1
E
2016 Lennox Industries Inc.
Dallas, Texas, USA
THIS MANUAL MUST BE LEFT WITH THE
HOMEOWNER FOR FUTURE REFERENCE
General
This SL18XC1 outdoor air conditioner with
all-aluminum
coil
is designed for use with HFC-410A refrigerant only.
This unit must be installed with an approved indoor air han
dler or coil. See the Lennox SL18XC1 Product Specifica
tions bulletin (EHB) for approved indoor component match
ups.
These instructions are intended as a general guide and do
not supersede local codes in any way. Consult authorities
having jurisdiction before installation.
NOTICE !
For more in-depth information, consult the Installa
tion and Service Procedures manual, available as
Corp. 1405-L10 on DaveNet or through the Technical
Support department at 800-453-6669.
INSTALLATION
INSTRUCTIONS
Dave Lennox
Signature
®
Collection SL18XC1 System
AIR CONDITIONERS
507353-01
7/2018
WARNING
Improper installation, adjustment, alteration, service or
maintenance can cause property damage, personal inju
ry or loss of life.
Installation and service must be performed by a licensed
professional installer (or equivalent) or service agency.
CAUTION
Before attempting to perform any service or mainte
nance, turn the electrical power to unit OFF at discon
nect switch.
STEP 1 -- SETTING THE UNIT -- Clearances
CONTROL
PANEL ACCESS
LOCATION
6 (152)
36 (914)
12 (305)
30 (762)
24
(610)
LINE SET
CONNECTIONS
ACCESS PANEL
REAR VIEW OF UNIT
48 (1219)
MINIMUM CLEARANCE BETWEEN TWO UNITS
CLEARANCE ON ALL SIDES — INCHES (MILLIMETERS)
MINIMUM CLEARANCE
ABOVE UNIT
NOTES:
S
Clearance to access panel must be 30
inches (762mm).
S
Clearance to one of the other three
sides must be 36 inches (914mm).
S
Clearance to one of the remaining two
sides may be 12 inches (305mm) and
the final side may be 6 inches
(152mm).
FIGURE 1