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A substantial black-colored LG Chiller unit commands attention in a machine-filled room, its presence accentuated by gray-tone pipes. A substantial black-colored LG Chiller unit commands attention in a machine-filled room, its presence accentuated by gray-tone pipes.
Chiller Annual Maintenance

Keep Your Chiller Running Properly with Regular Maintenance

Chiller on white background with red arrow below.

LTD Analysis/Tube Cleaning

Oil flows out of a barrel with an open lid.

Oil Replacement

A dashboard is located in the middle, and around it, a number of devices are located in a circle.

Annual Load Analysis

Chiller parts on a white background, tablet screen pops up on the right.

Vibration Analysis

Curved surge analysis graph.

Surge Analysis & Prevention

Chiller located on white background and its rusty inside pipe is poped up.

Absorbent Analysis & Purify

The Heat Exchanger Fin is being cleaned with water.

Heat Exchanger Fin Cleaning

LG Centrifugal Chiller unit, grey-toned assembly of circular and rectangular forms, adorned with red tags marking centrifugal, absorption, and screw. LG Centrifugal Chiller unit, grey-toned assembly of circular and rectangular forms, adorned with red tags marking centrifugal, absorption, and screw.
LTD Analysis/Tube Cleaning

Increase Chiller’s Efficiency with Tube Inspection

Leaving temperature differing (LTD) analysis improves chiller performance and efficiency through checking tube cleaning time and providing customer water quality management guide.
Note)
LTD(Cond.) = Cond. Ref. Temp. – Cooling Water Outlet Temperature
LTD(Evap.) = Chilled Water Outlet Temperature – Evap. Ref. Temp.
  • A two-dimensional straight graph Representing LTD Analysis.

    LTD Analysis

    LTD lift is an index that shows whether the heat exchange performance of your chiller’s tube is deteriorating (LTD Management Criteria: Below 3°C).

  • An engineer is cleaning dirty tubes.

    Tube Cleaning

    Scales inside the heat tube interfere with heat transfer, reducing the life time and efficiency of the device, so regular cleaning is required.

  • Three-dimensional bar graph, expressing energy efficiency.

    Benefit

    Better performance and reduced energy consumption improve your chiller's reliability (Actual improvement values may ​​vary by site).

LG Centrifugal Chiller unit, a grey-toned assembly of circular and rectangular forms, adorned with red tags marking centrifugal, and screw. LG Centrifugal Chiller unit, a grey-toned assembly of circular and rectangular forms, adorned with red tags marking centrifugal, and screw.
Oil Replacement

Securing Reliability of the Compressor’s Internal Parts

Regular oil replacement improves the durability of core parts ensuring stable product management.
  • Oil flows out of a barrel with an open lid, and next to it is a graph about the time of oil replacement.

    Oil Change and Analysis

    The replacement cycle is analyzed through oil differential pressure analysis and replaces it with LG pure oil to secure reliability of parts. Analysis of oil can be added upon customer request.

  • A quarter of the chiller component is exposed, revealing a complex interior filled with intricate metallic parts.

    Benefit

    Prevention of damage to core components due to lack of lubrication

A program window displaying various details sits at the center, connected by red dotted lines to diverse types of chiller units. A program window displaying various details sits at the center, connected by red dotted lines to diverse types of chiller units.
Annual Load Analysis

Proposing Suitable Compressors Suited for Better Operation

Annual operation pattern (Load / Head) is analyzed to provide the type of compressor and stable driving environment proposal service suitable for the site.
  • Vibration display on a two-dimensional graph, shows discharge superheat analysis.

    Discharge Superheat Analysis

    Site load analysis by analyzing the number of times the upper and lower limits (3 - 10°C) of the discharge superheat are reached.

  • A two-dimensional graph shows numbers that represent the operating zone.

    Annual Operating Zone Analysis

    Analysis of operating zones by temperature of chilled water and cooling water inlet.

  • A two-dimensional graph Expressing a stable driving environment.

    Benefit

    Propose suitable compressor and stable operating environment to secure the reliability of it and energy save. (A:Invertor, B:High Head Comp., C: Large Capa./High Head Chiller, D: Large Capa.Chiller)

A side view of gray and violet rotor components is presented, with four circular checkboxes indicating different positions for measuring vibrations. A side view of gray and violet rotor components is presented, with four circular checkboxes indicating different positions for measuring vibrations.
Vibration Analysis

Prevent Damage with Pre-Detecting Rotating Parts Failure

A service that predicts wear-out or breakage of rotor components and suggests replacement of parts before failure.
  • A two-dimensional graph shows failure prediction representation through vibration analysis.

    Data-based Vibration Analysis

    Failure Prediction through vibration trend analysis.
    Note) A : Bearing Oil Temperature / B : Oscillation Vibration

  • A two-dimensional graph shows Hz specific analysis through vibration analysis.

    Spectral Vibration Analysis

    Prediction of failure through Hz spectral analysis.

  • A two-dimensional graph shows benefit of cost and avoiding compressor failure.

    Benefit

    Extension of compressor life time and reduction of overhaul costs and downtime through avoiding compressor failure.

A graph plots Head on the Y-axis against Inlet Flow on the X-axis. Five vertical arch lines intersected by two lines, with a red surge area indicated. A graph plots Head on the Y-axis against Inlet Flow on the X-axis. Five vertical arch lines intersected by two lines, with a red surge area indicated.
Surge Analysis & Prevention

Secure Compressor Integrity with Surge Prevention Logic

A service to prevent damage to key compressor components and to reduce energy consumption through reducing number of surge occurrences.
  • A two-dimensional graph about analyzing the time of surges occurred.

    Surge Analysis

    The time of surges occurred in the compressor are analyzed.

  • A two-dimensional graph shows surges prevention Logic through self-learning.

    Surge Prevention Logic Application

    Surges are prevented by resetting self-learning surge lines.
    Note) A: Early Surge Line / B: Real Surge Line / C: Map Surge Line

  • A two-dimensional graph shows benefit through surge analysis.

    Benefit

    Prevention of compressor components damage, energy reduction, and stable product operation.

An LG Chiller unit is showcased, with a close-up view at the top center revealing the intricate details of refining absorbent (Li-Br) components. An LG Chiller unit is showcased, with a close-up view at the top center revealing the intricate details of refining absorbent (Li-Br) components.
Absorbent Analysis & Purify

Improve Heat Exchanger Performance and Chiller Integrity

A service to improve performance of heat exchanger by analyzing and refining absorbent (Li-Br) components.
  • Absorbent components analysis equipment and analysis results report.

    Absorbent Component Analysis

    The analysis checks absorbent alkalinity which can lead to the development of scale and checks appropriate amount of corrosion inhibitors.

  • A device which can check absorbent through ionic method.

    Absorbent Purification

    Purification of absorbent solution by filter or ionic method.

  • Old and contaminated filters on the left, new filter images on the right.

    Benefit

    Energy savings and extension of chiller life time.

An LG Heat Exchanger unit exhibits three red circles, each signifying a step in the heat exchanger cleaning process before, during, and after cleaning. An LG Heat Exchanger unit exhibits three red circles, each signifying a step in the heat exchanger cleaning process before, during, and after cleaning.
Heat Exchanger Fin Cleaning

Extend Heat Exchanger Life Time and Improve Its Efficiency

Services for improving heat exchange performance and extending its life time by decontaminating condenser cooling fins and preventing fin corrosion.
A man in a suit holds a smartphone in his right hand, displaying the LG website. A man in a suit holds a smartphone in his right hand, displaying the LG website.

Inquire To Buy

Please inquire to buy for more information on the product and we will get in touch with you soon.
LEARN MORE
LG air conditioning provides optimized solutions for every sector and climate with a wide range of cutting-edge systems that bring exceptional heating, ventilation and air conditioning performance to buildings worldwide. Through our unmatched expertise and industry knowledge, we respond directly to the needs of businesses seeking digitalized and eco-conscious HVAC solutions. We are the partner your business has been looking for, and are well prepared to integrate our leading technology into your day-to-day operations, supporting you and your business every step of the way.