Introduction
This document provides essential installation instructions for the Lennox ML180UHE(K) MERIT Series Gas Furnace. It details the procedures for both upflow and horizontal air discharge installations, ensuring safe and efficient operation. The guide includes critical safety information, component identification, installation clearances, and operational guidelines necessary for proper setup and maintenance.
Key Features and Safety
- Designed for upflow or horizontal right positions.
- Requires a conversion kit for LP/Propane gas applications.
- Emphasizes adherence to all local building codes and the National Fuel Gas Code (ANSI-Z223.1).
- Includes critical safety warnings regarding potential hazards such as explosion, personal injury, and carbon monoxide poisoning.
- Highlights the importance of proper combustion air, ventilation, and clearances to combustible materials.
- Details the requirements for installing the furnace in confined spaces and unconfined spaces.
Installation and Operation
- Covers shipping and packing lists, including necessary components and optional accessories.
- Provides detailed guidance on setting up the equipment, including leveling and securing the unit.
- Explains return air configurations for both upflow and horizontal applications.
- Outlines specific requirements for using the furnace as a construction heater, emphasizing necessary precautions.
- Details filter requirements and the importance of proper filter sizing for optimal performance and to prevent system issues.
- Offers guidance on duct system installation, including supply and return air plenums.
- Includes important notes on electrical grounding and compliance with the National Electric Code (ANSI/NFPA No. 70).
Resources
For further information and to ensure compliance with all regulations, consult the National Fire Protection Association and the American National Standards Institute.
AHRI
