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General| Brand | Lennox |
|---|---|
| Model | ML196DF045XE36B |
| Category | Furnace |
| Efficiency | 96% AFUE |
| Heating Capacity | 45, 000 BTU |
| Blower Motor | Variable Speed |
| Fuel Type | Natural Gas |
| Stages | Single Stage |
| Type | Gas |
Overview of the ML196DFE series gas furnace units, detailing their features and capabilities.
Covers heating, blower, electrical, and shipping details across various ML196DFE models.
Lists cabinet, drain, controls, and filter kits available as optional accessories.
Detailed performance data (air volume/watts) for each ML196DFE model.
Illustrates the unit's main components and their physical layout.
Safety guidelines for handling electronic components to prevent damage.
Details internal components within the unit's control box, including transformer and ignition control.
Safety switches that detect abnormal flame conditions and shut down the unit.
Details the primary and secondary heat exchanger assembly used for heat transfer.
Over-temperature safety control located in the heat exchanger vestibule.
Describes the mini-nitride ignitor made from proprietary ceramic material.
Instructions for replacing the blower wheel, emphasizing proper centering.
Details the secondary limit control's role in preventing overheating.
Procedures for testing the motor and control module before replacement.
Steps for installing a new motor control module, including torque specifications.
Lists approved materials and standards for vent and drain piping.
Procedures for installing and routing the condensate drain line, including trap location.
Covers initial checks, safety procedures, and starting the furnace in heating mode.
Explains gas valve function and troubleshooting startup issues.
Covers gas piping installation, leak testing, and pressure checks.
Procedures for checking manifold and supply line pressures for proper operation.
Information on operating the furnace at different altitudes and required adjustments.
Details blower function, temperature rise measurement, and static pressure adjustment.
Instructions for changing blower speeds using the integrated control taps.
Covers cleaning blowers, inspecting filters, and checking electrical connections.
Steps for unit winterization and maintenance of the condensate trap.
Guide for diagnosing cooling system issues based on operational sequence and error codes.
Guide for diagnosing issues related to fan and accessory operation.
