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Bring the future to the present

LG Gen 3 Scroll Compressor

scroll

LG’s Next Generation
Scroll Compressor

With a focus on reliability and performance, LG designed Gen 3 Scroll
Compressors with significant improvements to motor efficiency and
friction reduction to bring the future to the present.

USA Market

From January 2023, The new energy efficiency standards including new test procedures will be in effect for residential,
commercial air conditioning and heat pump systems.
LG Gen 3 Scroll Compressor with significant efficiency improvement, will help customers to meet new regulation change.

Today 2023

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  • North

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    AC

    13 SEER

    13. 2 SEER2 (14 SEER)

    Heat Pump

    13 SEER

    14. 3 SEER2 (15 SEER)

  • Southwest

    dot

    AC

    14 SEER

    14. 3 SEER2 (15 SEER)

    14 SEER

    13. 8 SEER2 (14.5 SEER)

    Heat Pump

    13 SEER

    14. 3 SEER2 (15 SEER)

  • South

    dot

    AC

    14 SEER

    14. 3 SEER2 (15 SEER)

    14 SEER

    13. 8 SEER2 (14.5 SEER)

    Heat Pump

    13 SEER

    14. 3 SEER2 (15 SEER)

SEER

  • 13

  • 14

  • 15

EER

  • 11.5

  • 12.2

  • 12.2

HSPF

  • 7.7

  • 8.2

  • 8.8

Features & Benefits

Core Technology

Performance

Improved Suction Path

The simple structure of the suction path reduces the heat transfer and
discharges temperature, boosting both volumetric efficiency and performance.

Optimized Wrap Design

A wrap design minimizes dead volume
and Reduces compression loss.

Optimized Wrap Design

Better Alignment

The new scroll alignment design reduces tilting and friction loss at low load,
resulting in efficiency improvement compared to the conventional model.

Improved Motor Design

New core design, load & torque optimized motor.

Bearing

New PTFE bearing improves reliability.

Smooth Starting

New design reduces starting load by equalizing pressure inside the compressor.

Oil Management

Oil Drain channels lead the oil away from the turbulence and
along the shell, reduce oil circulation ratio.

Low GWP Refrigerant

Keeping up with the latest eco-friendly standards,
LG Gen 3 series of Scroll Compressors are compatible
with low GWP refrigerants like R32 and R454B.

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Why LG

2023
15 SEER

Why LG_pd_04

2018

Why LG_pd_03

2010
14 SEER

Why LG_pd_02

2006
13 SEER

Why LG_pd_01

US Business History

As a dominant player in the USA market since 2006,
LG’s Scroll Compressors have consistently stayed
ahead of market regulations. Top-of-the-line signature models ensure ongoing compliance and optimum performance.

Technical Support Center in US

Located in the Dallas metropolitan area, our technical support center has an advanced technological
testing chamber and innovative processes that are used for breaking down compressors into individual parts.
This allows for the physical inspection that is necessary to diagnose and improve our designs.


At LG, we are proud of our industry-leading tear-down analysis capabilities and numerous function tests.
In order to support quality assurance throughout North America, we run tests such as circuit resistance,
insulation resistance/HiPOT, and no load/load.

Functional Testing Functional Testing Tear Down Analysis

Functional Testing

Tear Down Analysis

- Electrical Test
- Start-up Test at Actual Load
- Voltage Fluctuation
- Run Test at Various Conditions
- Protection Device Evaluation

- Scroll and Rotary

Applications

Designed for both residential and commercial use, the Gen 3 Scroll Compressor
is a great choice for multifamily, mixed use, and other spaces.

Residential Air Conditioning and Heating

Ducted Split, Ducted Packaged, Ductless

Commercial Air Conditioning and Heating

Rooftop, Split System, Self-contained, Water Source Heat Pump

Specialized Heat pumps

Pool Heat pump, Heat pump Water Heater

Dimensions

The Gen 3 frame size is nearly identical to the previous model.
Its similar size and design makes it easy for users to upgrade, as OEMs won’t need to redesign
their conventional systems and installers will find compatibility when replacing existing compressors.

Model 3Ton Model 5Ton

Compressor

HeightA

15.18 (385.4) 16.51 (429.3)

H/Terminal

HeightB

9.40 (238.9) 11.01 (279.6)

 B

9.60 (243.9) 11.01 (279.6)

H/Terminal

HeightC

14.26 (362.3) 15.5 (393.7)

Suction Tube

HeightD

10.37 (263.4) 11.62 (295.1)

Unit : Inch(mm) / B and B show the height difference of H/Terminal between Gen 3 and Gen 2

Gen2 Gen3

B

Nomenclature

Refrigerants
Capacity
Compressor size(mm)

A  Generation 1G  Generation 2H  Generation 3

Generation Code(A-Z)

Power Code
Motor Specification (A-Z)
Exterior Specification (A-Z)

APH 031 KAA APH 031 KAA

LG Scroll Compressor Platform

LG Scroll Compressor

Fixed Speed

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LG Scroll LINE UP_Fixed Speed

LG Scroll Compressor

Two - Stage

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LG Scroll LINE UP_Two - Stage

LG Scroll Compressor

Refrigeration

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LG Scroll LINE UP_Refrigeration

LG Scroll Compressor

R1 Compressor

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LG Scroll LINE UP_R1™

LG Scroll Compressor

Variable Speed

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LG Scroll LINE UP_Variable Speed