LG introduces new VRF air-conditioning range

LG VRF air conditioning

Multi V III is LG’s latest range of VRF air-conditioning products and is designed for commercial buildings, office complexes and large retail outlets. They can provide heating and cooling. Energy efficiency is boosted by LG’s BLDC V-Scroll inverter compressor with high-pressure oil-return technology, which supersedes the AC motor in the previous model. This new compressor achieves a 25% improvement in cooling EER to 4.27 and 11% in heating COP to 4.58.

Another key feature is the capability of providing continuous heating with minimal heat loss while the outdoor unit is being defrosted.

The maximum piping length has been increased to 1000 m. Outdoor units have ratings from 20 to 80 hp. Up to 64 indoor units can be served.

The 80 hp unit makes it possible to design larger systems with smaller space requirements than conventional 40 hp combination modules. For a 400 hp system, installation space and piping lengths can be reduced by up to 50% and the pipe shaft space by up to 30%. A large-capacity design also reduces design time for the HVAC system and installation costs. The compact size and lighter weight of these units enables them to be transported in a lift when it is difficult to use a crane.

Outdoor units have fans with high static pressure (80 Pa), so they can be installed in a building using a duct to the outside, an approach that can also reduce piping length.

The Multi V III comes with a 5-year warranty for equipment supplied and fitted by LG-approved installers.

For more information on this story, click here: Feb 2012, 164
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