LG OIL-FREE GAS BEARING CENTRIFUGAL CHILLERS

LG Electronics have successfully manufactured oil-free centrifugal Chillers, which are based on the patented and revolutionary gas bearing turbo-compressor technology. Available from 350 kW to 1055 kW capacities, the oil-free centrifugal Chillers boast a COP of 6.4 and an IPLV of 11.3 due to its patented technology. LG’s oil-free gas bearing Chillers offer:-

• Reduced operational & maintenance costs as periodic oil-related maintenance works are eliminated
• Simple self-acting gas bearing eliminating costly proximity sensors ensuring long compressor life
• Smaller footprint and weight ensuring safe passage through most standard building elevators

Oil-Free Gas Bearing Centrifugal Chiller

High Energy Efficiency

• Highest COP & IPLV in its class
• Restarting time after power loss or trip is less than 1 minute
• The shaft & the sleeve rotate without contacting each other, increasing efficiency and equipment life
• Self-acting bearing with easy RPM control
• Simple On-Off procedure – no effect due to power failure or voltage drop

LG Oil-free Gas Bearing Centrifugal Chiller Compressor

Reliability & Stability

• Power factor is 92% at all loads and up to 94% at full load
• Harmonic filtration 5% TDD per IEEE 519-1991
• Noise level below 74dB
• No oil related maintenance expenses
• Reduced footprint & weight allows ease of transportation without dissembling the product

LG Oil-free Gas Bearing Centrifugal Chiller Small Footprint

Operation & Interface

• 10.2-inch colour LCD screen with high resolution (1,024 x 600)
• Operation scheduling function
• Real-time trend display
• Web access
• Running data acquisition
• Modbus™, BACnet™, TCP/IP interface with BMS
• Diagnostic data automatically recorded every 5 seconds. Data saved up to 15 years!

LG Oil-free Gas Bearing Centrifugal Chiller Diagnostics