About This Manual
This document provides essential installation instructions for the Lennox ML180UH MERIT® Series Gas Furnace. It is crucial for ensuring proper, safe, and efficient operation of the unit. Please read all instructions carefully before proceeding with the installation.
Key Features and Safety
The ML180UH is designed for reliable heating performance. Safety is paramount; always adhere to the warnings and cautions provided throughout this manual. Key safety considerations include proper ventilation, adherence to gas codes, and handling of materials like fiberglass wool.
Installation Overview
This furnace can be installed in upflow or horizontal air discharge configurations. The manual details necessary clearances, connection requirements, and specific procedures for each orientation. It also covers important aspects like return air, duct systems, and filter requirements.
For detailed technical specifications and troubleshooting, refer to the relevant sections within this guide.
Resources
- For more information on Lennox products, visit Lennox.com.
- Refer to the National Fuel Gas Code (ANSI Z223.1) for installation standards in the USA.
- Consult the National Electric Code (ANSI/NFPA No. 70) for electrical installation requirements.
