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Need help?Do you have a question about the Goodman GMEC96 Series and is the answer not in the manual?
Specifies required clearances from the unit to combustible materials for safe installation.
Provides essential notes, warnings, and troubleshooting flash codes for the wiring diagram.
The Goodman GMEC96 is a two-stage, multi-speed ECM gas furnace designed for efficient and economical heating in residential and light commercial applications. This furnace is engineered to provide consistent comfort with its advanced features and flexible installation options.
The GMEC96 furnace operates on a two-stage heating principle, which allows it to run at a lower capacity (first stage) for most of the heating season, providing quieter operation and improved energy efficiency. When outdoor temperatures drop significantly, or a larger heat demand is detected, the furnace automatically switches to its second stage, delivering full heating capacity to quickly warm the space. This two-stage operation helps maintain a more consistent indoor temperature, avoiding the large temperature swings often associated with single-stage furnaces.
At the core of its heating capability is a heavy-duty, aluminized-steel tubular heat exchanger, which is responsible for transferring heat from the combustion gases to the circulating air. This primary heat exchanger is complemented by a stainless-steel secondary heat exchanger, further improving efficiency by extracting additional heat from the exhaust gases before they are vented. The combination of these heat exchangers contributes to the furnace's high Annual Fuel Utilization Efficiency (AFUE) rating, indicating that a significant portion of the fuel consumed is converted into usable heat.
The furnace utilizes a multi-speed ECM (Electronically Commutated Motor) blower motor. This advanced motor is highly efficient and capable of adjusting its speed to deliver precise airflow for both heating and cooling cycles. During heating, the ECM motor works in conjunction with the two-stage gas valve to optimize heat distribution. In cooling mode, it can provide variable airflow, which can enhance dehumidification when paired with a compatible air conditioner or heat pump, leading to improved indoor air quality and comfort. The multi-speed capability also allows for low continuous fan speed options, providing quiet air circulation throughout the home even when not actively heating or cooling.
Ignition is handled by a durable Silicon Nitride igniter, a reliable component known for its longevity and quick ignition capabilities. Combustion gases are safely expelled by a quiet two-speed induced draft blower, which ensures proper venting and efficient operation.
The furnace is designed for multi-position installation, meaning it can be installed in upflow, horizontal left, or horizontal right configurations, offering flexibility to suit various home layouts and existing ductwork. It is certified for both direct vent (2-pipe) and non-direct vent (1-pipe) applications, further expanding its installation versatility.
The GMEC96 is designed with user comfort and convenience in mind. Its two-stage gas valve ensures quiet and economical heating. By operating at a lower capacity for extended periods, the furnace minimizes noise levels and reduces fuel consumption, leading to lower utility bills. The multi-speed ECM blower motor also contributes to quiet operation, especially when running in continuous fan mode, which helps circulate air and maintain consistent temperatures without disruptive noise.
The furnace includes a self-diagnostic control board with a constant memory fault code history. This feature simplifies troubleshooting by storing a record of any operational issues, which can be easily accessed via an LED display. This allows technicians to quickly identify and address problems, reducing service time and costs.
For enhanced indoor air quality, the control board includes color-coded low-voltage terminals with provisions for connecting an electronic air cleaner and a humidifier. These connections allow for seamless integration of accessories that can filter airborne particles and maintain optimal humidity levels, contributing to a healthier and more comfortable living environment.
The cabinet is constructed from heavy-gauge steel with a durable finish, ensuring longevity and protection for internal components. It is fully insulated in both the heat exchanger and blower sections, which helps reduce heat loss and further contributes to quiet operation. The airtight solid bottom or side return with easy-cut tabs simplifies installation for bottom air-inlet applications, making it easier for installers to adapt the furnace to various ductwork configurations.
Convenient left or right connections for gas and electrical service, along with easy-to-install top venting and optional side venting, provide additional flexibility during installation, allowing the furnace to be adapted to different utility and venting requirements.
The self-diagnostic control board with its fault code history is a key maintenance feature, allowing for quick and accurate identification of operational issues. This reduces the time and effort required for troubleshooting, making maintenance more efficient.
The design of the furnace, with its accessible components and clear wiring diagrams, facilitates easier servicing by qualified technicians. The durable construction of the heat exchangers and other critical components is intended to minimize the need for frequent repairs, contributing to the overall reliability of the unit.
The GMEC96 is designed to comply with California's 40 ng/J Low NOx emissions standard, reflecting a commitment to environmental responsibility and potentially reducing the buildup of certain pollutants within the system over time. However, it's important to note that as of October 1, 2019, this model can no longer be installed in California's South Coast Air Quality Management District (SCAQMD) due to evolving local regulations.
Regular maintenance, as recommended by Goodman, is crucial for ensuring the furnace's continued efficiency and longevity. This typically includes routine filter changes, inspection of the heat exchangers, cleaning of the blower motor, and checks of the gas valve and igniter. The design of the cabinet, with its easy-cut tabs for return air, also simplifies access for filter replacement and other routine checks.
General| AFUE Rating | 96% |
|---|---|
| Type | Gas Furnace |
| Stages | Two-Stage |
| Blower Motor | Multi-speed ECM |
| Cabinet | Heavy-Gauge Steel |
| Heating Capacity | 40, 000 to 120, 000 BTU/h |
| Heat Exchanger | Stainless steel |
| Warranty | 10-Year Parts Limited Warranty |
| Configuration | Upflow, Horizontal |
