Lennox SL297UHNV Gas Furnace Installation Instructions

This document provides essential installation instructions for the Lennox SL297UHNV Dave Lennox Signature Series gas furnace. Designed for upflow or horizontal air discharge, this Category IV gas furnace requires careful installation to ensure optimal performance, safety, and longevity.

It is crucial that installation and service are performed by a licensed professional HVAC installer, service agency, or gas supplier. This manual details critical steps, safety precautions, clearances, and system requirements necessary for a compliant and efficient setup.

Key aspects covered include:

Unit dimensions and specifications
Shipping and packing details
Safety warnings and building code compliance
Installation locations and clearances
Venting practices and gas piping
Electrical connections and integrated control setup
Blower performance and unit start-up procedures

Adhering strictly to the guidelines within this manual is paramount for preventing property damage, personal injury, or loss of life.

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