Chiller Renewal Service
Leaving temperature differing (LTD) analysis improves chiller performance and efficiency through checking tube cleaning time and providing customer water quality management guide.
LTD(Cond.) = Cond. Ref. Temp. – Cooling Water Outlet Temperature
LTD(Evap.) = Chilled Water Outlet Temperature – Evap. Ref. Temp.
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).
Scales inside the heat tube interfere with heat transfer, reducing the life time and efficiency of the device, so regular cleaning is required.
Better performance and reduced energy consumption improve your chiller's reliability (Actual improvement values may vary by site).
Regular oil replacement improves the durability of core parts ensuring stable product management.
The replacement cycle is analysed 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.
Prevention of damage to core components due to lack of lubrication
Annual operation pattern (Load / Head) is analysed to provide the type of compressor and stable driving environment proposal service suitable for the site.
Site load analysis by analysing the number of times the upper and lower limits (3 - 10°C) of the discharge superheat are reached.
Analysis of operating zones by temperature of chilled water and cooling water inlet.
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 service that predicts wear-out or breakage of rotor components and suggests replacement of parts before failure.
Failure Prediction through vibration trend analysis.
Note) A : Bearing Oil Temperature / B : Oscillation Vibration
Prediction of failure through Hz spectral analysis.
Extension of compressor life time and reduction of overhaul costs and downtime through avoiding compressor failure.
A service to prevent damage to key compressor components and to reduce energy consumption through reducing number of surge occurrences.
Failure Prediction through vibration trend analysis.
Note) A : Bearing Oil Temperature / B : Oscillation Vibration
Prediction of failure through Hz spectral analysis.
Extension of compressor life time and reduction of overhaul costs and downtime through avoiding compressor failure.
A service to improve performance of heat exchanger by analysing and refining absorbent (Li-Br) components.
The analysis checks absorbent alkalinity which can lead to the development of scale and checks appropriate amount of corrosion inhibitors.
Purification of absorbent solution by filter or ionic method.
Energy savings and extension of chiller life time.
Services for improving heat exchange performance and extending its life time by decontaminating condenser cooling fins and preventing fin corrosion.
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