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Lennox SIGNATURE SLP99UH090XV48C User Manual

Lennox SIGNATURE SLP99UH090XV48C
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Page 6
Air lters must be replaced upon construction comple-
tion.
All furnace operating conditions (including ignition, in-
put rate, temperature rise and venting) must be veried
in accordance with these installation instructions.
EQUIPMENT MAY EXPERIENCE PREMATURE COM-
PONENT FAILURE AS A RESULT OF FAILURE TO FOL-
LOW THE ABOVE INSTALLATION INSTRUCTIONS.
FAILURE TO FOLLOW THE ABOVE INSTALLATION IN-
STRUCTIONS VOIDS THE MANUFACTURER’S EQUIP-
MENT LIMITED WARRANTY. LENNOX DISCLAIMS
ALL LIABILITY IN CONNECTION WITH INSTALLER’S
FAILURE TO FOLLOW THE ABOVE INSTALLATION IN-
STRUCTIONS.
NOTWITHSTANDING THE FOREGOING, INSTALLER
IS RESPONSIBLE FOR CONFIRMING THAT THE USE
OF CONSTRUCTION HEAT IS CONSISTENT WITH THE
POLICIES AND CODES OF ALL REGULATING ENTI-
TIES. ALL SUCH POLICIES AND CODES MUST BE AD-
HERED TO.
General
CAUTION
SLP99UHV unit should not be installed in areas normally
subject to freezing temperatures..
These instructions are intended as a general guide and do
not supersede local codes in any way. Consult authorities
having jurisdiction before installation.
In addition to the requirements outlined previously, the fol-
lowing general recommendations must be considered
when installing a SLP99UHV furnace:
Place the furnace as close to the center of the air distri-
bution system as possible. The furnace should also be
located close to the chimney or vent termination point
When the furnace is installed in an attic or other insulat-
ed space, keep insulation away from the furnace.
When the furnace is installed in an unconditioned
space, consider provisions required to prevent freezing
of condensate drain system.
Please consult the manufacturer of your evaporator
coil for their recommendations on distance required
between the heat exchanger and their drain pan. Ad-
equate space must be provided between the drain pan
and the furnace heat exchanger.
Installation - Setting Equipment
WARNING
Do not connect the return air ducts to the back of the
furnace. Doing so will adversely a󰀨ect the operation of
the safety control devices, which could result in personal
injury or death.
WARNING
Do not install the furnace on its front or back.
See FIGURE 4.
See figure 4.
Front Back
FIGURE 4
Upow Applications
The SLP99UHV gas furnace can be installed as shipped
in the upow position. Refer to gure 10 for clearances.
Select a location that allows for the required clearances
that are listed on the unit nameplate. Also consider gas
supply connections, electrical supply, vent connection,
condensate trap and drain connections, and installation
and service clearances [24 inches (610 mm) at unit front].
The unit must be level from side to side. Unit may be
positioned from level to 1/2” toward the front to aid in
draining. See FIGURE 5.

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Lennox SIGNATURE SLP99UH090XV48C Specifications

General IconGeneral
BrandLennox
ModelSIGNATURE SLP99UH090XV48C
CategoryFurnace
LanguageEnglish

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