LG's Electronically Commutated (EC) Motor is designed for use in a variety of HVAC applications.
Front-facing view of an LG EC motor component on a flat surface, highlighting its metallic cylindrical body, central output shaft, and black top housing with visible wiring connector.
The EC Motor operates across a 1/3 to 1HP range, suitable for HVAC systems such as condensing units, air handlers, furnaces, and ventilation.
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From reduced size to lower noise and consistent airflow, the EC Motor is engineered to enhance HVAC operation and comfort.
By applying a spoke-type concentrated flux rotor design, LG’s EC Motor achieves similar operational efficiency while reducing weight by up to 28.6%. This design contributes to more efficient material usage and supports optimized system functionality.
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With reduced magnetic pull variation, LG's EC Motor is designed for quieter operation, utilizing a spoke-type design and improved airflow control.
The LG EC Motor operates on both 115V and 230V power supplies with no need for manual switching offering seamless integration across HVAC systems.
Front view of an LG EC Motor positioned between 115V and 230V outlet icons, illustrating its dual voltage compatibility for flexible HVAC system integration.
Find out about the various applications of the LG EC Motor.
Air Handler
Furnace
Air Conditioner
| Features | Indor | Outdoor for Residential | Outdoor for Commercial |
|---|---|---|---|
 . |  . |  . | |
| Capacity(HP) | 1/3, 1/2, 3/4, 1 | 1/3, 1/2 | 1/3, 1/2 |
| Communication | UART, TAP Setting (5pin) | PWM, TAP Setting (max 18 taps) | PWM, TAP Setting (max 18 taps) |
| RPM | 200 ~1,800 | 200 ~1,250 | 200 ~ 1,250 |
| Voltage | 115, 230V | 230V, 460V | 230V, 460V |
| Dual Voltage | Y | N | N |
* The RPM may differ depending on the specific model.
What is the working principle of an EC Motor?
An EC (Electronically Commutated) motor works by converting electrical energy into mechanical energy through built in electronics that control speed and torque. It uses back EMF or sensors to adjust performance and maintain constant airflow efficiently.
What is an EC Motor used for in HVAC systems?
In HVAC, EC Motors are used in condenser fans, blowers, furnaces, and air handling units. LG EC Motors provide quiet, energy efficient operation in systems ranging from 1/3HP to 1HP.
How does an EC motor maintain constant airflow?
An EC Motor maintains constant airflow by adjusting speed and torque based on static pressure changes using internal control algorithms, ensuring stable air delivery.
What are the benefits of using an EC motor in HVAC?
EC motors offer energy savings, quieter operation, longer lifespan, and precise airflow control making them ideal for modern, high efficiency HVAC systems.
* Some images are simulated for illustrative purpose only. The mentioned applications are primarily used examples.
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