Overview
The Trane MOT19079 is a 1 HP Electronically Commutated Motor (ECM) Variable Speed (VS) motor module set. It is designed as a replacement part for use in Trane Heating, Ventilation, and Air Conditioning (HVAC) systems, such as furnaces or air handlers. This genuine OEM motor module set (which may also be identified as Trane D344702P03) is programmable and engineered for high efficiency and reliable performance in commercial and industrial air handling applications. It is often sold unprogrammed, with programming available for specific AC systems.
Features
Key features of the MOT19079 motor include:
- Power: 1 HP rating.
- Programmable Rotation: Allows for flexibility in installation and function.
- Enclosure Type: Open Air Over (OAO).
- Bearing Type: Uses Ball bearings.
- Frame Size: 48 Frame.
- High Efficiency: As an ECM motor, it is designed for optimal energy savings.
Specifications
- Horsepower (HP): 1 HP
- Voltage: 120/208-240V or 115/230V, 60 Hz, 1 Phase.
- RPM: 0 – 1200 RPM (typically listed at 1,050 RPM).
- Shaft Diameter (In): 0.5 inches.
- Mounting Type: Horizontal/Vertical.
Applications
The MOT19079 is used as a component or replacement part in Trane HVAC equipment that requires a variable speed, high-efficiency motor. It is typically utilized in furnace or air handler applications to ensure efficient air circulation and energy control, particularly where specific blower functions are needed.


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