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EC Motor

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. 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.

What is EC Motor?

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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Compressors and Motors from LG are lined up in a row against a dark background. Compressors and Motors from LG are lined up in a row against a dark background.

Key Features

From reduced size to lower noise and consistent airflow, the EC Motor is engineered to enhance HVAC operation and comfort.

  • Sized Down. Powered Up

  • Less Vibration. Less Noise

  • Engineered for Dual Voltage

Sized Down. Powered Up

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.
Comparison of conventional and spoke-type EC motor rotors, showing reduced volume and increased magnetic flux with LG’s advanced spoke-type rotor design. Comparison of conventional and spoke-type EC motor rotors, showing reduced volume and increased magnetic flux with LG’s advanced spoke-type rotor design.

Less Vibration. Less Noise

With reduced magnetic pull variation, LG's EC Motor is designed for quieter operation, utilizing a spoke-type design and improved airflow control.
Front-facing view of a conventional motor emitting large, uneven sound waves, representing high noise levels during operation.

Front-facing view of the LG EC Motor rotor emitting smaller, more uniform sound waves, highlighting its quieter performance and reduced noise.

Front-facing view of a conventional motor emitting large, uneven sound waves, representing high noise levels during operation.

Front-facing view of the LG EC Motor rotor emitting smaller, more uniform sound waves, highlighting its quieter performance and reduced noise.

Engineered for Dual Voltage

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. Front view of an LG EC Motor positioned between 115V and 230V outlet icons, illustrating its dual voltage compatibility for flexible HVAC system integration.

Applications

Find out about the various applications of the LG EC Motor.
Air Handler image

Air Handler

Furnace image

Furnace

Air Conditioner image

Air Conditioner

Product Specifications

Collapse All
Spec Detail
  Indoor Outdoor for
Residential		 Outdoor for
Commercial
Indoor EC motor with 1/3 to 1 HP range, UART and TAP communication, 115/230V dual voltage.
Outdoor EC motor for residential use, 1/3 or 1/2 HP, with PWM and TAP settings, 230/460V.
Outdoor EC motor for commercial use, 1/3 or 1/2 HP, with PWM and TAP settings, 230/460V.
Features
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
Collapse All
Spec Detail
 
 
Features
Capacity (HP)
Communication
RPM
Voltage
Dual Voltage
Spec Detail
Indoor Outdoor for
Residential		 Outdoor for
Commercial
Indoor EC motor with 1/3 to 1 HP range, UART and TAP communication, 115/230V dual voltage.
Outdoor EC motor for residential use, 1/3 or 1/2 HP, with PWM and TAP settings, 230/460V.
Outdoor EC motor for commercial use, 1/3 or 1/2 HP, with PWM and TAP settings, 230/460V.
1/3, 1/2, 3/4, 1 1/3, 1/2 1/3, 1/2
UART, TAP Setting (5pin) PWM, TAP Setting (max 18 taps) PWM, TAP Setting (max 18 taps)
200 ~1,800 200 ~1,250 200 ~ 1,250
115, 230V 230V, 460V 230V, 460V
Y N N
* The RPM may differ depending on the specific model.

FAQs

Q.
What is the working principle of an EC Motor?
A.
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.
Q.
What is an EC Motor used for in HVAC systems?
A.
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.
Q.
How does an EC motor maintain constant airflow?
A.
An EC Motor maintains constant airflow by adjusting speed and torque based on static pressure changes using internal control algorithms, ensuring stable air delivery.
Q.
What are the benefits of using an EC motor in HVAC?
A.
EC motors offer energy savings, quieter operation, longer lifespan, and precise airflow control making them ideal for modern, high efficiency HVAC systems.

Catalogue & Leafelt Download


Title , Size Table List
Type Title Size
Catalogue / Leaflet LG_EC_Motor_Leaflet.pdf File PDF3,674K
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* Some images are simulated for illustrative purpose only.
The mentioned applications are primarily used examples.
LG compressor and motor is focused on developing innovations across HVAC, refrigeration, appliance, and mobility industry. We are committed to providing energy-efficiency, reliable, and sustainable products for customers' needs. We offer a wide range of products, from air conditioning compressor, refrigeration compressor, appliance motor, fan motor, drone motor, and tailored solutions for different vertical markets. Find out more about the LG compressor & motor today. Contact us for more information.