Nordyne M3RL installation instructions ¢7082197¤

Page 36

¢7082197¤

O’Fallon, MO

708219E

708219E (Replaces 708219D)

Specifications and illustrations subject to change without notice and without incurring obligations. Printed in U.S.A. (08/06)

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Contents Installation Instructions Page Table of Contents L 060 a a WShipping Weight Furnace Specifications/Airflow DataGeneral Top ViewOwner Information General DescriptionInstallation Standards Manufacturer WARRANTY, OWNER’S ResponsibilitiesLocation Circulating AIR SupplyMinimum Clearances Duct Connectors Return AIR ProvisionsCloset or Alcove Ducted Return AIRDuct Connector Selection Duct InstallationAIR Distribution Systems Installing Platinum Series 14 Round Duct Connector Installing Screw Down Duct CON- NectorCUT Duct Opening Finger Tabbed only Screw Down Platinum SeriesInstalling Finger Tabbed Duct CON- Nectors Alternate Attachment MethodsInstall Furnace Venting and Combustion AIR RequirementsGeneral Venting Requirements Furnace Must not be Common Vented with Other AppliancesVent Table Vent Termination Clearances for Direct Vent FurnacesVent Pipe Installation Vent Pipe MaterialDownflow Furnace Horizontal VentingHorizontal Venting Alternate Horizontal Vent Installation Drainage of Condensate from FurnaceFurnace with Condensate Drain Trap Assembly GAS Supply and PipingConversion Leak CheckHigh Altitude Derate To Turn Off Fuel Supply to the ApplianceTo Remove the Burner Assembly To Remove the Burner OrificesTo Convert the Unit to the Alternate Gas Approximate Orifice Size for Natural and LP GasesLighting and Adjustment of the Appliance Convertible Pressure Regulator CapElectrical Wiring Line Voltage WiringType of Fuel Manifold Pressure Completing the ConversionLow Voltage Wiring Electrical DataSTART-UP and Adjustments Start-Up ProcedureVentilation Shut Down Procedure Sequence of OperationVerifying Firing Rate Verifying Operation of the Supply Air Limit Switch Description of ComponentsGas Flow Rate Verifying Burner OperationMaintenance Accessory KitsCombustion Air and Vent System Air FilterCondensate Drain Assembly System Operation InformationLubrication Blower CompartmentCooling Mode Furnace Fails to OperateM3 Downflow Furnace Downflow Furnace Wiring Diagram Page INSTALLATION/PERFORMANCE Check List Fuel Type¢7082197¤

M3RL specifications

The Nordyne M3RL is a high-efficiency gas furnace designed for residential heating applications, characterized by its robust performance and advanced technologies. It is part of Nordyne's distinguished lineup, which emphasizes reliability and comfort in home heating systems. The M3RL model is particularly notable for its focus on energy efficiency, making it an attractive option for homeowners looking to reduce their energy expenses while maintaining optimal heating levels.

One of the standout features of the Nordyne M3RL is its high Annual Fuel Utilization Efficiency (AFUE) rating, which often exceeds 80%. This efficient design ensures that more of the fuel consumed is converted into usable heat for the home. By employing a variable-speed blower, the M3RL enhances comfort by allowing for more precise control over air circulation, contributing to better temperature consistency throughout the living space.

The M3RL utilizes advanced multi-stage heating technology, allowing the system to operate at different capacities depending on the heating demand. This means it can run at lower settings during milder weather, which not only saves energy but also reduces wear and tear on the equipment, extending its lifespan. The furnace also includes a reliable ignition system that ensures quick and safe starts, eliminating the inefficiencies associated with older pilot light systems.

Another important characteristic of the Nordyne M3RL is its acoustical insulation, which minimizes operational noise. The quiet operation is particularly valued in residential settings, where noise pollution can be disruptive. Additionally, the furnace features a compact design, making it easy to install in a variety of spaces, including tight basements or utility rooms.

The M3RL model is also equipped with a smart control system that interfaces seamlessly with modern thermostats, offering homeowners the ability to program their heating schedules and optimize energy usage. This integration with smart home technology positions the M3RL not just as a heating solution, but as a component of a more comprehensive home energy management system.

In conclusion, the Nordyne M3RL gas furnace represents a blend of efficiency, advanced technology, and user-friendly features. Its high AFUE rating, multi-stage heating capability, quiet operation, and smart technology integration make it a reliable choice for homeowners aiming to enhance their comfort while minimizing energy costs. This furnace is a testament to Nordyne's commitment to innovation in the HVAC industry.