E 2011 Lennox Industries Inc. Dallas, Texas, USA
INSTALLATION INSTRUCTIONS SLP98DFV
DAVE LENNOX SIGNATURE®
COLLECTION GAS FURNACE
DOWNFLOW AIR DISCHARGE
506611−01
02/2011Litho U.S.A. Supersedes 10/2010
THIS MANUAL MUST BE LEFT WITH THE HOMEOWNER FOR FUTURE REFERENCE
This is a safety alert symbol and should never be ignored. When you see this symbol on labels or in manuals, be alert to the potential for personal injury or death.
CAUTION
As with any mechanical equipment, personal injury can result from contact with sharp sheet metal edges. Be careful when you handle this equipment.
DOWNFLOW
AIR FLOW
WARNING
Improper installation, adjustment, alteration, service or maintenance can cause property damage, person- al injury or loss of life. Installation and service must be performed by a licensed professional installer (or equivalent), service agency or the gas supplier.
NOTICE
A thermostat is not included and must be ordered separately.
DThe Lennox icomfort Toucht thermostat must be used in communicating applications.
DIn non−communicating applications, the Lennox ComfortSense® 7000 thermostat may be used, as well as other non−communicating thermostats.
In all cases, setup is critical to ensure proper sys- tem operation.
Field wiring for both communicating and non−com- municating applications is illustrated in diagrams, which begin on Page 30.
Table of Contents
Unit Dimensions | . . 2 | Electrical | 27 |
Parts Arrangement | . . 3 | Integrated Control | 36 |
SLP98DFV Gas Furnace | . . 4 | Blower Motor Performance | 40 |
Shipping and Packing List | . . 4 | Unit Start Up | 45 |
Safety Information | . . 4 | Gas Pressure Measurement | 46 |
Use of Furnace as a Construction Heater | . . 5 | High Altitude Information | 46 |
General | . . 6 | Proper Combustions | 47 |
Setting Equipment | . . 6 | Other Unit Adjustments | 46 |
Filters | . 9 | Heating Sequence of Operation | 48 |
Duct System | . 9 | Service | 50 |
Pipe and Fittings Specifications | . 10 | Planned Service | 52 |
Joint Cementing Procedure | . 11 | Integrated Control Diagnostic Codes | 53 |
Venting Practices | . 12 | Configuring Unit Size Codes | 56 |
Vent Piping Guidelines | . 12 | Troubleshooting | 57 |
Gas Piping | . 23 | Repair Parts List | 63 |
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