This user manual provides installation, startup, operating, service, and maintenance instructions for the Carrier 59MN7A Modulating 4-Way Multipoise Condensing Gas Furnace Series 2. It emphasizes the need to read the entire manual thoroughly before beginning the installation process.
SAFETY CONSIDERATIONS
Explicit safety considerations are given, which include proper handling of the equipment and adherence to all applicable codes and standards. A special notice regarding ELECTROSTATIC DISCHARGE (ESD) PRECAUTIONS is included to ensure the protection of electronic components.
INTRODUCTION
The manual begins with an introduction that mentions the furnace’s compliance with certain certification standards, such as the AHRI Certification and ISO 9001. It also alludes to excerpts from national codes by NFPA and ANSI, though it clarifies that the complete official positions on these subjects are found in the full standards.
CONFIGURATION AND INSTALLATION
Guidance is provided on configuring the furnace for operation, including the location requirements such as minimum clearances to combustible materials, free area requirements, and minimum space volumes for different installation orientations (upflow, downflow, and horizontal). Details are also given on parts replacement guide, accessories, and the contents of the loose parts bag.
Air System Considerations
Information is provided on air for combustion and ventilation, specifying filter sizes, opening dimensions for upflow, downflow, and horizontal positions, and air delivery performance indicators such as CFM (Cubic Feet per Minute).
Condensate Systems
The manual describes the installation of the condensate trap and drain connection, integral parts for the operation of a high-efficiency furnace like the 59MN7A model.
Air Ducts and Gas Piping
Attention is given to air ducts and acoustical treatment, as well as detailed steps for the proper installation of gas piping, which is critical for safety and efficiency.
Electrical Connections
Details on making both 115-V and 24-V electrical connections are included, along with instructions for installing the J-box and connecting various accessories.
VENTING
The manual also specifies how to correctly size the vent and combustion air pipes, with special venting requirements for Canadian installations. It includes guidelines on insulation, the maximum allowable vent lengths, and equivalent lengths, ensuring proper venting according to local codes and standards.
START-UP, ADJUSTMENT, AND SAFETY CHECK
Furnace startup procedures, adjustment settings, and safety checklists are enumerated to ensure proper operation from the onset. This includes priming of the condensate trap, purging of gas lines, and verification of gas rates and manifold pressure, as well as adjustments to select setup switch positions.
References:
Download: Carrier 59MN7A Modulating 4-Way Multipoise Condensing Gas Furnace Series 2 User Manual
Chat: Powered By VoiceSphere