Troubleshooting Guide

Troubleshooting Guide

RefrigerationCycleDiagram

1. A3UH363FA0(LMU360HE)

OUTDOOR UNIT

 

Ø9.52

 

 

 

 

Room C

 

 

 

 

Ø9.52

 

 

High pressure S/W

Field Piping

 

 

 

Room B

 

 

 

Gas

 

 

 

Ø9.52

 

 

 

 

 

 

 

 

Room A

 

 

 

 

 

Header

 

Th3

 

 

 

 

 

 

 

Th1

Th2

 

 

Accumulator

Constant Compressor

Constant Compressor

 

 

 

 

Heat

 

 

 

 

Exchanger

 

Ø6.35

LEV-C

 

 

 

Room C

 

 

 

Field Piping

Ø6.35

LEV-B

 

 

Room B

 

 

 

Liquid

 

 

 

Ø6.35

 

 

 

 

LEV-A

 

 

 

Room A

 

 

 

Refrigerant Flow

 

 

 

 

Cooling

 

 

 

 

Th1: Discharge thermistor

 

 

 

Th2: Discharge thermistor

Th3: Outdoor temperature thermistor

2. A3UC363FA0(LMU360CE)

OUTDOOR UNIT

 

Ø9.52

 

 

 

 

Room C

 

 

 

Field Piping

Ø9.52

 

 

 

Room B

 

 

 

Gas

 

 

 

Ø9.52

 

 

 

 

 

 

 

 

Room A

 

 

 

 

 

 

 

High pressure S/W

 

 

Header

 

 

 

 

 

 

Th3

 

 

Accumulator

Th1

Th2

 

 

Constant Compressor

Constant Compressor

 

 

 

 

Heat

 

 

 

 

Exchanger

 

Ø6.35

LEV-C

 

 

 

Room C

 

 

 

Field Piping

Ø6.35

LEV-B

 

 

Room B

 

 

 

Liquid

 

 

 

Ø6.35

LEV-A

 

 

 

 

 

 

Room A

 

 

 

 

 

 

 

 

 

 

Th4

Refrigerant Flow

 

 

 

 

Cooling

 

 

 

 

Heating

 

 

 

 

Th1: Discharge thermistor

Th2: Discharge thermistor

Th3: Outdoor temperature thermistor

Th4: Defrost thermistor

64Multi type Air Conditioner

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LG Electronics A3UH363FA0(LMU360HE) service manual Troubleshooting Guide, Refrigeration Cycle Diagram, A3UH363FA0LMU360HE

A3UH363FA0(LMU360HE), AMNC123DEA0(LMN120CE), AMNC093D4A0(LMN090CE), AMNH123DEA0(LMN120HE), A3UC363FA0(LMU360CE) specifications

LG Electronics is renowned for its innovation in the home appliance sector, particularly in air conditioning systems. Among its diverse range, the AMNC123APM0, A3UC363FA0, AMNH123DEA0, AMNC093D4A0, and AMNC123DEA0 model series stand out for their advanced features and energy efficiency.

The AMNC123APM0, also referred to as LMAN120CNS, offers a powerful air conditioning solution ideal for medium to large spaces. Featuring a sleek design, it combines aesthetics with functionality. This model utilizes LG's inverter technology, which helps maintain a consistent temperature while significantly reducing energy consumption. Additionally, it comes equipped with a dual inverter compressor that operates quietly, making it perfect for residential settings.

The A3UC363FA0, or LMU360CE, is another standout model that caters to the installation needs of multi-zone systems. Its flexibility allows users to connect multiple indoor units, ensuring efficient air distribution across different spaces. This model also features advanced filtration systems that improve indoor air quality by reducing allergens and other harmful particles.

AMNH123DEA0, branded as LMN120HE, introduces enhanced energy efficiency through its intelligent energy management systems. This unit is designed with user-friendly controls and smart technology to optimize performance based on user preferences. Its compact design makes it suitable for smaller spaces while still delivering powerful cooling and heating functions.

The AMNC093D4A0, known as LMN090CE, is perfect for residential applications where space is a consideration. It boasts a high SEER (Seasonal Energy Efficiency Ratio) rating, indicating low energy consumption while still providing optimal cooling. The model is equipped with a variety of operational modes, including dehumidification and fan-only options.

Finally, the AMNC123DEA0, or LMN120CE, rounds out this impressive series by offering versatile installation options and silent operation. This model is particularly noted for its robust cooling capabilities and ease of maintenance, ensuring that homeowners can enjoy year-round comfort with minimal disruption.

In summary, LG Electronics has blended efficiency, performance, and design in its latest air conditioning models. With features like inverter technology, multi-zone capabilities, advanced filtration, and quiet operation, these systems cater to modern home cooling and heating requirements while promoting energy conservation. As such, they represent a significant leap in HVAC technology, providing reliable comfort and improved indoor air quality.