Lennox SLP98UH SERIES User Manual

07/10
*2P0710*
506443−01
*P506443-01*
SLP98UH
SERIES
Litho U.S.A.
506443−01
07/2010
WHAT TO DO IF YOU SMELL GAS:
Do not store or use gasoline or other
flammable vapors and liquids in the
vicinity of this or any other appliance.
Installation and service must be per-
formed by a qualified installer, ser-
vice agency or the gas supplier.
D Do not try to light any appliance.
D Do not touch any electrical switch; do not
use any phone in your building.
D Immediately call your gas supplier from a
neighbor’s phone. Follow the gas supplier’s
instructions.
D If you cannot reach your gas supplier, call
the fire department.
FIRE OR EXPLOSION HAZARD.
Failure to follow safety warnings exactly
could result in serious injury, death, or
property damage.
WARNING
D Leave the building immediately.
VARIABLE
CAPACITY
GAS FURNACE
E 2010 Lennox Industries Inc.
Dallas, Texas, USA

Lennox SLP98UH SERIES Specifications

General

Model	SLP98UH SERIES
Efficiency Rating	Up to 98.7% AFUE
Fuel Type	Natural Gas or Propane
Blower Type	Variable Speed
Stages	Modulating
Warranty	Limited Lifetime Heat Exchanger, 10-year Parts

Summary

General Safety and Operational Warnings

Fire and Explosion Hazard Warning

Details critical safety warnings regarding fire or explosion hazards and their consequences.

Gas Leak Emergency Procedure

Provides essential steps to follow immediately if a gas leak is detected.

Furnace Components and User Information

SLP98UH Parts Identification

Identifies key components of the SLP98UH furnace series with a diagram.

Important Homeowner Notice

Informs homeowners about safety devices and precautions for unattended homes.

Critical Safety Precautions and Instructions

Fiberglass Wool Handling Warning

Alerts to potential health hazards from fiberglass wool insulation during handling.

General Furnace Safety Guidelines

Lists essential safety guidelines for furnace operation and environmental factors.

Carbon Monoxide and Blower Door Safety

Emphasizes blower door security and the risks associated with carbon monoxide.

Operation Procedures and Gas Safety

Carbon Monoxide Gas Hazards

Highlights the severe dangers of invisible, odorless, and toxic carbon monoxide gas.

Furnace Start-Up and Gas Valve Operation

Details the step-by-step procedure for starting the furnace and operating the gas valve.

Maintenance, Filters, and System Checks

Turning Off Gas and Filter Management

Explains how to safely turn off gas and guidelines for filter inspection and replacement.

Venting System and Blower Maintenance

Covers essential checks and maintenance for the venting system and blower components.

Service, Troubleshooting, and Planned Maintenance

Burner Flame and Electrical System Checks

Details annual checks for burner flame quality and electrical connections.

Service Reminders and Safety Precautions

Lists common issues to check before calling for service and essential safety measures.

Planned Service and Annual Inspections

Outlines key items for professional service and annual furnace inspections.

Repair Parts Information

Furnace Repair Parts List

Lists various furnace components available as repair parts from dealers.