Features; Contents; Applications; Heating System - Lennox SLP98UHV User Manual

FEATURES

Contents

Blower Data ................................................................21
Dimensions - Horizontal Position ................................15
Dimensions - Upflow Position .....................................14
Features........................................................................2
Gas Heat Accessories ................................................11
Installation Clearances ................................................9
Model Number Identification .........................................1
Optional Accessories ..................................................11
Optional Accessory Dimensions .................................16
Specifications..............................................................10
Vent Lengths ...............................................................13

WARRANTY

Duralok Plus Aluminized Steel Heat Exchanger -
™
Limited lifetime warranty in residential applications
(twenty year transferable), ten years in non-residential

applications.

All Other Covered Components - Limited ten year
warranty in residential applications, one year in non-
residential applications.
Refer to Lennox Equipment Limited Warranty certificate
included with equipment for details.
APPROVALS
Units are certified by AHRI.
Units tested and rated according to US DOE test
procedures and FTC labeling regulations.
Blower data from unit tests conducted in Lennox
Laboratory air test chamber.
All models are approved by the California Energy
Commission and meet California Seasonal Efficiency
requirements and California Nitrogen Oxides (NOx)
Standards.
E S certified units are designed to use less
®
nErgy tar
energy, help save money on utility bills, and help protect
the environment.
ISO 9001 Registered Manufacturing Quality System
APPLICATIONS
Input capacities of 66,000, 88,000, 110,000 and
132,000 Btuh.
Variable heat capacity in increments as small as 1%
or as large as needed within minimum/maximum input
range.
Energy efficiency up to (AFUE) 98.2%.
Compact cabinet for upflow, horizontal-right or
horizontal-left applications without any internal
modifications to the unit.
Variable speed blower ideal for zoning applications.
Lennox add-on indoor coils, high-efficiency air cleaners
and humidifiers can easily be added to furnace.
Shipped factory assembled with controls installed and wired.
Each unit factory test operated to ensure proper
operation.
NOTE - FURNACES CANNOT BE TWINNED!
SLP98UHV / Page 2
B
G
A
Zoning Applications
The SLP98UHV furnace is designed to work with the
Lennox Harmony III™ zoning system with conventional
thermostats. Zoning system provides direct feedback to
the SLP98UHV, controlling both airflow and heat output
to precisely match the comfort requirements for up to
four zones.

HEATING SYSTEM

SilentComfort™ Technology
B
Patented burner sound enclosure and extra cabinet
insulation reduces operating sound levels.
Lennox Duralok Plus™ Heat Exchanger Assembly
C
Constructed of heavy-gauge, aluminized steel.
Designed for normal expansion and contraction with
maximum efficiency and minimum resistance to air flow.
Secondary heat exchanger condenser coil constructed
D
of aluminum fins fitted to stainless steel tubes.
Coil is factory tested for leaks.
Condensate drain header box assembly located on front
of coil.
Compact size of complete heat exchanger assembly
permits low overall design of furnace cabinet.
L
C
E
D
M
F
H
I
J
K
Lennox developed heat
exchanger assembly
consists of primary heat
exchanger and
secondary condenser
coil assembly.
Main multi-pass crimped
seam design clamshell
type heat exchanger.