Page 3
XC15 SERIES
*A service clearance of 30" (762 mm) must be maintained on
the access panel side of the unit. Clearance to one of the oth-
er three sides must be 36" (914 mm). Clearance to one of the
remaining two sides may be 12" (304 mm) and the final side
may be 6" (152 mm).
A clearance of 24" (610 mm) must be maintained between
two units. 48" (1219 mm) clearance required on top of unit.
Maximum soffit overhang is 36" (914 mm).
Installation Clearances
Figure 2
(as
noted)
30 in. (762−mm)
(as noted)
(as
noted)
Slab Mounting
When installing a unit at grade level, the top of the slab
should be high enough above the grade so that water from
higher ground would not collect around the unit. See figure
3. Slab may be level or have a slope tolerance away from
the building of not more than 2 degrees or 2 inches per 5
feet (51 mm per 1524 mm).
INSTALL UNIT LEVEL OR, IF ON A SLOPE, MAINTAIN SLOPE TOLERANCE OF 2
DEGREES (OR 2 INCHES PER 5 FEET [51 MM PER 1.5 M]) AWAY FROM
BUILDING STRUCTURE.
Slab Mounting At Ground Level
MOUNTING
SLAB
BUILDING
STRUCTURE
Figure 3
Roof Mounting
Install unit at a minimum of 4 inches above the surface of
the roof. Care must be taken to ensure weight of unit is
properly distributed over roof joists and rafters. Either red-
wood or steel supports are recommended.
Removing Panels
WARNING
This product and/or the indoor unit it is matched
with may contain fiberglass wool.
Disturbing the insulation during installation, main-
tenance, or repair will expose you to fiberglass wool
dust. Breathing this may cause lung cancer. (Fiber-
glass wool is known to the State of California to
cause cancer.)
Fiberglass wool may also cause respiratory, skin,
and eye irritation.
To reduce exposure to this substance or for further
information, consult material safety data sheets
available from address shown below, or contact
your supervisor.
Lennox Industries Inc.
P.O. Box 799900
Dallas, TX 75379−9900
CAUTION
To prevent personal injury, or damage to panels,
unit or structure, be sure to observe the following:
While installing or servicing this unit, carefully stow
all removed panels out of the way, so that the panels
will not cause injury to personnel, nor cause dam-
age to objects or structures nearby, nor will the pan-
els be subjected to damage (e.g., being bent or
scratched).
While handling or stowing the panels, consider any
weather conditions, especially windy conditions,
that may cause panels to be blown around and bat-
tered.
Access Panel
WARNING
Unit must be grounded in accordance
with national and local codes. Elec-
tric Shock Hazard. Can cause injury
or death.
Line voltage is present at all compo-
nents when unit is not in operation on
units with single-pole contactors. Dis-
connect all remote electric power sup-
plies before opening access panel.
Unit may have multiple power sup-
plies.