New 5 Port 'Multi' Splits
Daikin Europe N.V. (27/12/2005)
Daikin Europe N.V. has responded to a general market requirement for higher system capacities and wider application possibilities by updating its MXS heat pump and MKS cooling only ‘Multi’ series outdoor units and introducing the only 5 port systems of this type currently on the market.
New models include the large 5MXS90 and 5MKS90 (replacing the 4MKS90) for connection to 5 indoor units and an additional 4MXS80 model, which will be available alongside the existing unit of the same size. New models however, will feature a new lower profile 770mm high casing (previously 908mm). Sound pressure levels of the new 5 port units vary from 48 to 52dBA and 45 to 59dBA for the new 4MXS80 unit. COPs for 5 port units are 4.40 (heating) and 3.65 (cooling) and 4.75 (heating) and 3.88 (cooling) for the 4MXS80.
All Daikin ‘Multi’ outdoor units, including the existing 2, 3 and 4 port units can also be linked to the updated UX-1 split range of indoor units and are based around the company’s advanced high torque DC reluctance motor swing compressor. Featuring a concentrated winding structure with a 30% approximate reduction in copper loss and an 11% increase in cylinder volume and low frequency operation, the unit delivers reduced energy consumption, low vibration and operating noise with increased performance and reliability. Furthermore, its use of a DC fan motor increases efficiency over standard AC types across the motor speed range by between 20 and 40%.

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